CN207980641U - Glass grinding fluid ultra-filtration system - Google Patents

Abstract

A kind of glass grinding fluid ultra-filtration system is used for filter glass grinding fluid, the glass grinding fluid ultra-filtration system includes water tank, coarse filter, water pump, first accurate filter, second accurate filter, third accurate filter and filter pipeline, water tank, coarse filter, water pump, first accurate filter, second accurate filter and third accurate filter are sequentially connected in series by filter pipeline, the filtering accuracy of second accurate filter and third accurate filter is more than the filtering accuracy of the first accurate filter, the filtering accuracy of first accurate filter is greater than or equal to 1um.The glass grinding fluid ultra-filtration system of the utility model can filter the impurity that grain size is less than 1um, and use physical filtering, and filtered glass grinding fluid will not change chemical property, the service life of glass grinding fluid can not only be extended, reduce entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.

Description

Glass grinding fluid ultra-filtration system

Technical field

The utility model is related to glass grinding fluid Remanufacture technical field, more particularly to a kind of glass grinding fluid precision mistake Filter system.

Background technology

Glass grinding fluid is mainly applicable in diamond tool for glass, plexiglas, optical glass, plate glass, camera Eyeglass, eyeglass, sapphire glass, magnet, quartz-optical product, high-grade marble, superfine product granite, ceramic wafers, electricity Lubricating and antirust depending on the cutting of machine video recorder teletron glass, cutting, grinding process cools down.

Glass grinding fluid has good cleaning permeance property, and tool grinding tool can be prevented to be passivated, and has to grinding tool good Sharping by oneself affect improves the cutting force of diamond tool, extends the service life of diamond tool, when shortening single work pieces process Between.Moreover, glass grinding fluid has greasy property outstanding, hence it is evident that reduce the noise generated when cutting workpiece, avoid skiver Pyrophoric behavio(u)r when part reduces the appearance of grinding cut, hence it is evident that the surface quality for improving workpieces processing increases substantially the light of workpiece Cleanliness.

Glass grinding fluid can deposit more and more impurity during being used for a long time, wherein impurity include colloidal suspensions, Sandstone, chips of glass etc. make the using effect of glass grinding fluid and performance drastically decline due to increasing for impurity.In traditional glass In glass grinding fluid filter type, filtering accuracy all arrives several millimeters at tens microns mostly, and traditional filtering mode needs to use A large amount of consumptive materials, use cost are high.After glass grinding fluid is recycled for a long time, the minute impurities grain size of deposition is likely less than one Micron, traditional filtering mode more have no idea to filter minute impurities, so these glass grinding fluids can only carry out at recycling discharge Reason.And glass grinding fluid not only price, and use cost is very high, pollutes the environment.

Utility model content

The purpose of the utility model is to provide a kind of glass grinding fluid ultra-filtration systems, can filter grain size and be less than The impurity of 1um, and physical filtering is used, filtered glass grinding fluid will not change chemical property, can not only extend glass The service life of glass grinding fluid reduces entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.

The utility model solves its technical problem using technical solution below to realize.

A kind of glass grinding fluid ultra-filtration system is used for filter glass grinding fluid, the glass grinding fluid ultra-filtration system Including water tank, coarse filter, water pump, the first accurate filter, the second accurate filter, third accurate filter and screen pipe Road, water tank, coarse filter, water pump, the first accurate filter, the second accurate filter and third accurate filter pass through screen pipe Road is sequentially connected in series, and the filtering accuracy of the second accurate filter and third accurate filter is more than the mistake of the first accurate filter Precision is filtered, the filtering accuracy of the first accurate filter is greater than or equal to 1um.

In the preferred embodiment of the utility model, above-mentioned first accurate filter is that filtering accuracy is greater than or equal to 1um Oil suction filtering bag filter；Second accurate filter is the accurate filter that filtering accuracy is greater than or equal to 0.3um；Third is accurate Filter is the accurate filter that filtering accuracy is greater than or equal to 0.1um.

In the preferred embodiment of the utility model, above-mentioned coarse filter is the filter cylinder that filtering accuracy is greater than or equal to 2mm Filter.

In the preferred embodiment of the utility model, above-mentioned glass grinding fluid ultra-filtration system further include the first air source, Second air source, exhaust canister, cloth envelop collector, the first drain air inlet pipe, the first recoil air inlet pipe, the first drain pipe and the first deslagging Pipe, the first drain air inlet pipe are connected between the first air source and the second accurate filter, and the first recoil air inlet pipe is connected to second Between air source and the second accurate filter, the first drain pipe is connected between the second accurate filter and exhaust canister, exhaust canister with Water tank is connected to, and the first scum pipe is connected between the second accurate filter and cloth envelop collector.

In the preferred embodiment of the utility model, above-mentioned glass grinding fluid ultra-filtration system further include the second drain into Tracheae, the second recoil air inlet pipe, the second drain pipe and the second scum pipe, the second drain air inlet pipe are connected to the first air source and third Between accurate filter, the second recoil air inlet pipe is connected between the second air source and third accurate filter, and the second drain pipe connects It is connected between third accurate filter and exhaust canister, exhaust canister is connected to the water tank, and the second scum pipe is connected to third precision mistake Between filter and cloth envelop collector.

In the preferred embodiment of the utility model, above-mentioned glass grinding fluid ultra-filtration system further includes carbon filter, Carbon filter is connected on the filter pipeline between the first accurate filter and the second accurate filter.

In the preferred embodiment of the utility model, above-mentioned glass grinding fluid ultra-filtration system further include third drain into Tracheae, third recoil air inlet pipe, third drain pipe and third scum pipe, third drain air inlet pipe are connected to the first air source and carbon mistake Between filter, third recoil air inlet pipe is connected between the second air source and carbon filter, and third drain pipe is connected to carbon filter Between exhaust canister, exhaust canister is connected to water tank, and third scum pipe is connected between carbon filter and cloth envelop collector.

In the preferred embodiment of the utility model, above-mentioned filter pipeline, the first drain air inlet pipe, the first recoil air inlet Pipe, the first drain pipe and the first scum pipe are equipped with multiple ball valves, and glass grinding fluid ultra-filtration system further includes control filtering The control device of system work, control device are electrically connected respectively at water pump and each ball valve.

The glass grinding fluid ultra-filtration system of the utility model is used for filter glass grinding fluid, and the glass grinding fluid is accurate Water tank, coarse filter, water pump, the first accurate filter, the second accurate filter and the third accurate filter of filtration system are logical It crosses filter pipeline to be sequentially connected in series, the filtering accuracy of the second accurate filter and third accurate filter is more than the first accurate mistake The filtering accuracy of the filtering accuracy of filter, the first accurate filter is greater than or equal to 1um.The glass grinding fluid essence of the utility model Close filtration system can filter the impurity that grain size is less than 1um, and use physical filtering, and filtered glass grinding fluid will not change Chemical property can not only extend the service life of glass grinding fluid, reduce entreprise cost, moreover it is possible to reduce discharge, be beneficial to ring Border.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model It can be clearer and more comprehensible with advantage, it is special below to lift preferred embodiment, and coordinate attached drawing, it is described in detail.

Description of the drawings

Fig. 1 is the structural schematic diagram of the glass grinding fluid ultra-filtration system of the utility model.

Fig. 2 is the flow diagram of the glass grinding fluid precision filtering method of the utility model.

Fig. 3 is the stream that second accurate filter of glass grinding fluid precision filtering method pair of the utility model is backwashed Journey schematic diagram.

Fig. 4 is the stream that the glass grinding fluid precision filtering method of the utility model backwashes third accurate filter Journey schematic diagram.

Fig. 5 is that the flow that the glass grinding fluid precision filtering method of the utility model backwashes carbon filter is illustrated Figure.

Specific implementation mode

Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes glass grinding fluid ultra-filtration system specific reality Mode, structure, feature and its effect are applied, detailed description are as follows:

Aforementioned and other technology contents, feature and effect in relation to the utility model, following cooperation with reference to schema compared with It can be clearly appeared from the detailed description of good embodiment.By the explanation of specific implementation mode, when can be to the utility model up to The technological means and effect taken at predetermined purpose are able to more go deep into and specifically understand, however institute's accompanying drawings are only to provide Reference and description is used, and is not used for limiting the utility model.

Fig. 1 is the structural schematic diagram of the glass grinding fluid ultra-filtration system of the utility model.As shown in Figure 1, glass is ground Cut liquid ultra-filtration system 100 include water tank 11, coarse filter 13, water pump 14, carbon filter 15, the first accurate filter 16a, Second accurate filter 16b, third accurate filter 16c, the first air source 17a, the second air source 17b, exhaust canister 18, Bag filter Device 19, control device (not shown), filter pipeline 21, the first drain air inlet pipe 22a, the second drain air inlet pipe 22b, third drain Air inlet pipe 22c, the first recoil air inlet pipe 23a, the second recoil air inlet pipe 23b, third recoil air inlet pipe 23c, the first drain pipe 24a, the second drain pipe 24b, third drain pipe 24c, the first scum pipe 25a, the second scum pipe 25b and third scum pipe 25c.

Water tank 11, coarse filter 13, water pump 14, the first accurate filter 16a, carbon filter 15, the second accurate filter 16b and third accurate filter 16c are sequentially connected in series by filter pipeline 21, that is to say, that the glass grinding in water tank 11 Liquid can pass through coarse filter 13, the first accurate filter 16a, carbon filter 15, the second accurate filter 16b and third essence successively It is returned in water tank 11 after close filter 16c filterings.Wherein, the filtering of the second accurate filter 16b and third accurate filter 16c Precision is more than the filtering accuracy of the first accurate filter 16a, that is to say, that the second accurate filter 16b and third secondary filter Device 16c can filter the smaller impurity of grain size than the first accurate filter 16a.In the present embodiment, filter pipeline 21 is equipped with more The quantity of a ball valve, ball valve can freely increase and decrease according to actual needs, it is preferable that the first accurate filter 16a and carbon filter 15 Between filter pipeline 21 be equipped with the first ball valve；Filter pipeline 21 between carbon filter 15 and the second accurate filter 16b It is equipped with the second ball valve；Filter pipeline 21 between second accurate filter 16b and third accurate filter 16c is equipped with third Ball valve；Filter pipeline 21 between third accurate filter 16c and water tank 11 is equipped with the 4th ball valve.

Specifically, coarse filter 13 is the filtering cartridge filter that filtering accuracy is greater than or equal to 2mm, when the mistake of coarse filter 13 Filter precision be 2mm when, i.e., coarse filter 13 can filter out grain size be greater than or equal to 2mm impurity, can protect water pump 14 not by Block damage.

The output flow of water pump 14 is 1.5 ton hours, and water pump 14 is flowed for providing glass grinding fluid in filter pipeline 21 Dynamic power.In the present embodiment, it is connected with water return pipeline 26 on the water inlet end of water pump 14 and the filter pipeline of water outlet 21, returned Water lines 26 are equipped with manual ball valve, when the pressure in filter pipeline 21 is excessive, can open manual ball valve, reduce filter pipeline Pressure in 21.

First accurate filter 16a is the oil suction filtering bag filter that filtering accuracy is greater than or equal to 1um, when the first accurate mistake When the filtering accuracy of filter 16a is 1um, i.e. the first accurate filter 16a can filter out the impurity that grain size is greater than or equal to 1mm, The first accurate filter 16a can also adsorb the greasy dirt in glass grinding fluid simultaneously.

Carbon filter 15 is filtered using activated carbon, there are many carbon-point in carbon filter 15, in adsorbable glass grinding fluid Minute impurities can especially filter out colored impurity in glass grinding fluid.

Second accurate filter 16b is the accurate filter that filtering accuracy is greater than or equal to 0.3um, when the second secondary filter When the filtering accuracy of device 16b is 0.3um, i.e. it is miscellaneous more than or equal to 0.3um that the second accurate filter 16b can filter out grain size Matter.

Third accurate filter 16c is the accurate filter that filtering accuracy is greater than or equal to 0.1um, when third secondary filter When the filtering accuracy of device 16c is 0.1um, i.e. it is miscellaneous more than or equal to 0.1um that third accurate filter 16c can filter out grain size Matter makes the impurity in glass grinding fluid be thoroughly removed, and filtered glass grinding liquid energy reaches or is ground close to new glass The cleanliness factor of liquid is so that it can continue normal use.Due to using physical filtering, filtered glass grinding fluid will not change Property is learned, the service life of glass grinding fluid can be not only extended, reduces entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.

Control device is electrically connected with water pump 14, ball valve respectively, control device can control the unlatching of water pump 14 and ball valve with It closes, realizes that the glass grinding fluid ultra-filtration system 100 of the utility model carries out automatic fitration.In the present embodiment, it controls Device realizes the intelligent control to glass grinding fluid ultra-filtration system 100 using PLC control system, but is not limited thereto.

In the present embodiment, after filtering a period of time, the second accurate filter 16b, third accurate filter 16c and carbon The filter core of filter 15 can adhere to more and more impurity, when impurity more to a certain degree after need automatic backflushing deslagging.

Specifically, the first drain air inlet pipe 22a is connected between the first air source 17a and the second accurate filter 16b, and first Recoil air inlet pipe 23a is connected between the second air source 17b and the second accurate filter 16b, and the first drain pipe 24a is connected to second Between accurate filter 16b and exhaust canister 18, exhaust canister 18 is connected to water tank 11, and the first scum pipe 25a is connected to the second precision Between filter 16b and cloth envelop collector 19.In the present embodiment, the liquid that cloth envelop collector 19 filters can enter water tank 11 In, or be discharged into foul water tank 11, it according to actual needs can unrestricted choice.

It is set on first drain air inlet pipe 22a, the first recoil air inlet pipe 23a, the first drain pipe 24a and the first scum pipe 25a There are multiple ball valves, the quantity of ball valve that can freely increase and decrease according to actual needs, it is preferable that the first drain air inlet pipe 22a is equipped with the One pressure sensor 27a and the 5th ball valve；First recoil air inlet pipe 23a is equipped with the 6th ball valve；First drain pipe 24a is equipped with 7th ball valve；First scum pipe 25a is equipped with the 8th ball valve.In the present embodiment, control device is sensed with first pressure respectively Device 27a and each ball valve are electrically connected, when first pressure sensor 27a senses that the pressure in the second accurate filter 16b is more than When setting value, control device control water pump 14 is stopped, and closes the second ball valve and third ball valve, opens the 5th ball valve and the 7th Ball valve, while starting the first air source 17a, the first air source 17a output low-pressure airs grind the glass in the second accurate filter 16b Liquid is cut to be discharged into water tank 11；It is then shut off the first air source 17a, the 5th ball valve and the 7th ball valve, opens the 6th ball valve and the 8th ball Valve, while starting the second air source 17b, the second air source 17b output pressure-airs will be miscellaneous on filter core in the second accurate filter 16b Matter is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is greater than the set value, need temporarily Stop filtration system, deslagging is carried out to cloth envelop collector 19 manually, and cleans filter bag or replace filter bag.

Further, it is equipped with turbulent structure in exhaust canister 18, air velocity is made to decline, it will not by the air of air filtering core Workshop air is polluted, soiling solution moisture contained in gas is discharged to downwards by cyclonic separation in water tank 11.

The filtering accuracy of cloth envelop collector 19 is greater than or equal to 1mm, when the filtering accuracy of cloth envelop collector 19 is 1mm, I.e. cloth envelop collector 19 can filter out the impurity that grain size is greater than or equal to 1mm.

Second drain air inlet pipe 22b is connected between the first air source 17a and third accurate filter 16c, second recoil into Tracheae 23b is connected between the second air source 17b and third accurate filter 16c, and the second drain pipe 24b is connected to third precision mistake Between filter 16c and exhaust canister 18, the second scum pipe 25b is connected between third accurate filter 16c and cloth envelop collector 19. In the present embodiment, the liquid that cloth envelop collector 19 filters can enter in water tank 11, or be discharged into foul water tank 11, according to reality Needing can unrestricted choice.

It is set on second drain air inlet pipe 22b, the second recoil air inlet pipe 23b, the second drain pipe 24b and the second scum pipe 25b There are multiple ball valves, the quantity of ball valve that can freely increase and decrease according to actual needs, it is preferable that the second drain air inlet pipe 22b is equipped with the Two pressure sensor 27b and the 9th ball valve；Second recoil air inlet pipe 23b is equipped with the tenth ball valve；Second drain pipe 24b is equipped with 11st ball valve；Second scum pipe 25b is equipped with the 12nd ball valve.In the present embodiment, control device respectively with second pressure Sensor 27b and each ball valve are electrically connected, when second pressure sensor 27b senses the pressure in third accurate filter 16c When being greater than the set value, control device control water pump 14 is stopped, and closes third ball valve and the 4th ball valve, open the 9th ball valve and 11st ball valve, while starting the first air source 17a, the first air source 17a output low-pressure airs will be in third accurate filter 16c Glass grinding fluid is discharged into water tank 11；It is then shut off the first air source 17a, the 9th ball valve and the 11st ball valve, opens the tenth ball valve With the 12nd ball valve, while starting the second air source 17b, the second air source 17b output pressure-airs will be in third accurate filter 16c Impurity on filter core is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is more than setting It when value, needs to suspend filtration system, deslagging is carried out to cloth envelop collector 19 manually, and clean filter bag or replace filter bag.

Third drain air inlet pipe 22c is connected between the first air source 17a and carbon filter 15, third recoil air inlet pipe 23c Be connected between the second air source 17b and carbon filter 15, third drain pipe 24c be connected to carbon filter 15 and exhaust canister 18 it Between, third scum pipe 25c is connected between carbon filter 15 and cloth envelop collector 19.In the present embodiment, cloth envelop collector 19 The liquid of filtering can enter in water tank 11, or be discharged into foul water tank 11, according to actual needs can unrestricted choice.

It is set on third drain air inlet pipe 22c, third recoil air inlet pipe 23c, third drain pipe 24c and third scum pipe 25c There are multiple ball valves, the quantity of ball valve that can freely increase and decrease according to actual needs, it is preferable that third drain air inlet pipe 22c is equipped with the Three pressure sensor 27c and the 13rd ball valve；Third recoils air inlet pipe 23c equipped with the 14th ball valve；On third drain pipe 24c Equipped with the 15th ball valve；Third scum pipe 25c is equipped with the 16th ball valve.In the present embodiment, control device respectively with third Pressure sensor 27c and each ball valve are electrically connected, when third pressure sensor 27c senses that the pressure in carbon filter 15 is more than When setting value, control device control water pump 14 is stopped, and closes the first ball valve and the second ball valve, opens the 13rd ball valve and the 15 ball valves, while starting the first air source 17a, the first air source 17a and exporting low-pressure air by the glass grinding in carbon filter 15 Liquid is discharged into water tank 11；It is then shut off the first air source 17a, the 13rd ball valve and the 15th ball valve, opens the 14th ball valve and the 16 ball valves, while starting the second air source 17b, the second air source 17b output pressure-airs will be miscellaneous on filter core in carbon filter 15 Matter is sprung back in cloth envelop collector 19.It is noted that when the pressure in cloth envelop collector 19 is greater than the set value, need temporarily Stop filtration system, deslagging is carried out to cloth envelop collector 19 manually, and cleans filter bag or replace filter bag.

In the present embodiment, the first accurate filter of the glass grinding fluid ultra-filtration system 100 of the utility model 16a, carbon filter 15, the second accurate filter 16b and third accurate filter 16c are equipped with the pressure for sensing pressure size Power table.Pipeline between first scum pipe 25a, the second scum pipe 25b and third scum pipe 25c and exhaust canister 18 and water tank 11 It is equipped with hand-operated valve, is used for manual drainage.Three essences are provided in the glass grinding fluid ultra-filtration system 100 of the utility model Close filter 16a, 16b, 16c, but be not limited thereto, precision can be also set more in glass grinding fluid ultra-filtration system 100 High accurate filter, setting quantity can unrestricted choice according to actual needs.

Fig. 2 is the flow diagram of the glass grinding fluid precision filtering method of the utility model.As depicted in figs. 1 and 2, originally The glass grinding fluid precision filtering method of utility model utilizes above-mentioned glass grinding fluid ultra-filtration system 100, glass mill The step of cutting liquid precision filtering method include：

Step S1 starts water pump 14, glass grinding fluid is made to be flowed in filter pipeline 21.

Step S2 filters the large granular impurity that grain size is less than or equal to 2mm using coarse filter 13.

Specifically, coarse filter 13 is the filtering cartridge filter that filtering accuracy is greater than or equal to 2mm, when the mistake of coarse filter 13 Filter precision be 2mm when, using coarse filter 13 filter out grain size be greater than or equal to 2mm impurity, to protect water pump 14 not by Block damage.

Step S3 is less than or equal to the impurity of 1um using the first accurate filter 16a filtering grain sizes.

Specifically, the first accurate filter 16a is the oil suction filtering bag filter that filtering accuracy is greater than or equal to 1um, when the When the filtering accuracy of one accurate filter 16a is 1um, filters out grain size using the first accurate filter 16a and be greater than or equal to 1mm Impurity, while utilizing the greasy dirt in the first accurate filter 16a absorption glass grinding fluid.

Step S4 adsorbs minute impurities and colored impurity using carbon filter 15.

Specifically, carbon filter 15 is filtered using activated carbon, and there are many carbon-points in carbon filter 15, utilize carbon filter 15 The minute impurities in glass grinding fluid are adsorbed, colored impurity in glass grinding fluid can be especially filtered out.

Step S5 filters minute impurities using the second accurate filter 16b and third accurate filter 16c, and second is accurate The filtering accuracy of filter 16b and third accurate filter 16c are more than the filtering accuracy of the first accurate filter 16a.

Specifically, the second accurate filter 16b is the accurate filter that filtering accuracy is greater than or equal to 0.3um, when second When the filtering accuracy of accurate filter 16b is 0.3um, filters out grain size using the second accurate filter 16b and be greater than or equal to The impurity of 0.3um.

Third accurate filter 16c is the accurate filter that filtering accuracy is greater than or equal to 0.1um, when third secondary filter When the filtering accuracy of device 16c is 0.1um, it is miscellaneous more than or equal to 0.1um to filter out grain size using third accurate filter 16c Matter makes the impurity in glass grinding fluid be thoroughly removed, and filtered glass grinding liquid energy reaches or is ground close to new glass The cleanliness factor of liquid is so that it can continue normal use.In the present embodiment, due to using physical filtering, filtered glass mill Chemical property will not be changed by cutting liquid, can not only extend the service life of glass grinding fluid, reduce entreprise cost, moreover it is possible to the row of reduction It puts, it is environmentally friendly.

Fig. 3 is the stream that second accurate filter of glass grinding fluid precision filtering method pair of the utility model is backwashed Journey schematic diagram.As shown in figure 3, the step of being backwashed to the second accurate filter 16b includes：

Step N1 provides low-pressure gas, by the second secondary filter using the first air source 17a for the second accurate filter 16b Glass grinding fluid in device 16b is discharged into water tank 11.

Specifically, it is stopped using control device control water pump 14, closes the second ball valve and third ball valve, open the 5th Ball valve and the 7th ball valve, while starting the first air source 17a, the first air source 17a and exporting low-pressure air by the second accurate filter 16b In glass grinding fluid be discharged into water tank 11；

Step N2 provides high pressure gas, by the second secondary filter using the second air source 17b for the second accurate filter 16b Filter residue on device 16b is swept away, and filter residue is discharged into cloth envelop collector 19.

Specifically, it is controlled using control device and closes the first air source 17a, the 5th ball valve and the 7th ball valve, open the 6th ball Valve and the 8th ball valve, while starting the second air source 17b, the second air source 17b output pressure-airs will be in the second accurate filter 16b Impurity on filter core is sprung back in cloth envelop collector 19.

Fig. 4 is the stream that the glass grinding fluid precision filtering method of the utility model backwashes third accurate filter Journey schematic diagram.As shown in figure 4, the step of being backwashed to third accurate filter 16c includes：

Step M1 provides low-pressure gas, by third secondary filter using the first air source 17a for third accurate filter 16c Glass grinding fluid in device 16c is discharged into water tank 11

Specifically, it is stopped using control device control water pump 14, closes third ball valve and the 4th ball valve, open the 9th Ball valve and the 11st ball valve, while starting the first air source 17a, the first air source 17a and exporting low-pressure air by third accurate filter Glass grinding fluid in 16c is discharged into water tank 11.

Step M2 provides high pressure gas, by third secondary filter using the second air source 17b for third accurate filter 16c Filter residue on device 16c is swept away, and filter residue is discharged into cloth envelop collector 19.

Specifically, it is controlled using control device and closes the first air source 17a, the 9th ball valve and the 11st ball valve, open the tenth Ball valve and the 12nd ball valve, while starting the second air source 17b, the second air source 17b and exporting pressure-air by third accurate filter Impurity in 16c on filter core is sprung back in cloth envelop collector 19.

Fig. 5 is that the flow that the glass grinding fluid precision filtering method of the utility model backwashes carbon filter is illustrated Figure.As shown in figure 5, the step of being backwashed to carbon filter 15 includes：

Step K1 is that carbon filter 15 provides low-pressure gas using the first air source 17a, the glass in carbon filter 15 is ground Liquid is cut to be discharged into water tank 11.

Specifically, it is stopped using control device control water pump 14, closes the first ball valve and the second ball valve, open the tenth Three ball valves and the 15th ball valve, while starting the first air source 17a, the first air source 17a output low-pressure airs will be in carbon filter 15 Glass grinding fluid be discharged into water tank 11.

Step K2 is that carbon filter 15 provides high pressure gas using the second air source 17b, the filter residue on carbon filter 15 is rushed Under, and filter residue is discharged into cloth envelop collector 19.

Specifically, it is controlled using control device and closes the first air source 17a, the 13rd ball valve and the 15th ball valve, open the 14 ball valves and the 16th ball valve, while starting the second air source 17b, the second air source 17b and exporting pressure-air by carbon filter 15 Impurity on middle filter core is sprung back in cloth envelop collector 19.

Water tank 11, coarse filter 12, the water pump 14, first of the glass grinding fluid ultra-filtration system 100 of the utility model Accurate filter 16a, the second accurate filter 16b and third accurate filter 16c are sequentially connected in series by filter pipeline 21, Filtering essence of the filtering accuracy of third accurate filter 16c and the second accurate filter 16b more than the first accurate filter 16a The filtering accuracy of degree, the first accurate filter 16a is greater than or equal to 1um.The glass grinding fluid secondary filter system of the utility model System 100 can filter out the impurity that grain size is less than 1um, and use physical filtering, and filtered glass grinding fluid will not change Property is learned, the service life of glass grinding fluid can be not only extended, reduces entreprise cost, moreover it is possible to discharge is reduced, it is environmentally friendly.

Preferred embodiments of the present invention are described in detail above in association with attached drawing, but the utility model is not limited to Detail in the above embodiment can be to the technology of the utility model in the range of the technology design of the utility model Scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.In above-mentioned specific embodiment party Each particular technique feature described in formula can be combined by any suitable means in the case of no contradiction. In order to avoid unnecessary repetition, the utility model no longer separately illustrates various combinations of possible ways.

Claims (8)

1. a kind of glass grinding fluid ultra-filtration system, which is characterized in that be used for filter glass grinding fluid, glass grinding fluid essence Close filtration system includes water tank (11), coarse filter (13), water pump (14), the first accurate filter (16a), the second secondary filter Device (16b), third accurate filter (16c) and filter pipeline (21), the water tank (11), coarse filter (13), water pump (14), One accurate filter (16a), the second accurate filter (16b) and third accurate filter (16c) pass through the filter pipeline (21) Be sequentially connected in series, the filtering accuracy of second accurate filter (16b) and the third accurate filter (16c) be more than this first The filtering accuracy of the filtering accuracy of accurate filter (16a), first accurate filter (16a) is greater than or equal to 1um, the glass Grinding fluid ultra-filtration system further includes the first air source (17a) and the first drain air inlet pipe (22a), the first drain air inlet pipe (22a) is connected between first air source (17a) and second accurate filter (16b), in the first drain air inlet pipe (22a) Equipped with first pressure sensor (27a).

2. glass grinding fluid ultra-filtration system as described in claim 1, which is characterized in that first accurate filter (16a) is the oil suction filtering bag filter that filtering accuracy is greater than or equal to 1um；Second accurate filter (16b) is filtering accuracy Accurate filter more than or equal to 0.3um；The third accurate filter (16c) is filtering accuracy more than or equal to 0.1um's Accurate filter.

3. glass grinding fluid ultra-filtration system as described in claim 1, which is characterized in that the coarse filter (13) is filtering Precision is greater than or equal to the filtering cartridge filter of 2mm.

4. glass grinding fluid ultra-filtration system as described in claim 1, which is characterized in that the glass grinding fluid secondary filter System further includes the second air source (17b), exhaust canister (18), cloth envelop collector (19), the first recoil air inlet pipe (23a), first row Liquid pipe (24a) and the first scum pipe (25a), this first recoil air inlet pipe (23a) be connected to second air source (17b) with this second Between accurate filter (16b), which is connected to second accurate filter (16b) and the exhaust canister (18) between, which is connected to the water tank (11), which is connected to second accurate filter Between (16b) and the cloth envelop collector (19).

5. glass grinding fluid ultra-filtration system as claimed in claim 4, which is characterized in that the glass grinding fluid secondary filter System further includes the second drain air inlet pipe (22b), the second recoil air inlet pipe (23b), the second drain pipe (24b) and the second scum pipe (25b), the second drain air inlet pipe (22b) are connected between first air source (17a) and the third accurate filter (16c), The second recoil air inlet pipe (23b) is connected between second air source (17b) and the third accurate filter (16c), this second Drain pipe (24b) is connected between the third accurate filter (16c) and the exhaust canister (18), the exhaust canister (18) and the water tank (11) it is connected to, which is connected between the third accurate filter (16c) and the cloth envelop collector (19).

6. glass grinding fluid ultra-filtration system as claimed in claim 4, which is characterized in that the glass grinding fluid secondary filter System further includes carbon filter (15), which is connected to first accurate filter (16a) and second precision On filter pipeline (21) between filter (16b).

7. glass grinding fluid ultra-filtration system as claimed in claim 6, which is characterized in that the glass grinding fluid secondary filter System further includes third drain air inlet pipe (22c), third recoil air inlet pipe (23c), third drain pipe (24c) and third scum pipe (25c), the third drain air inlet pipe (22c) are connected between first air source (17a) and the carbon filter (15), and the third is anti- It rushes in tracheae (23c) to be connected between second air source (17b) and the carbon filter (15), the third drain pipe (24c) connection Between the carbon filter (15) and the exhaust canister (18), which is connected to the water tank (11), the third scum pipe (25c) is connected between the carbon filter (15) and the cloth envelop collector (19).

8. glass grinding fluid ultra-filtration system as claimed in claim 4, which is characterized in that filter pipeline (21), first Drain air inlet pipe (22a), the first recoil air inlet pipe (23a), the first drain pipe (24a) and the first scum pipe (25a) are equipped with more A ball valve, the glass grinding fluid ultra-filtration system further include the control device for controlling filtration system work, the control device point It is not electrically connected in the water pump (14) and each ball valve.