CN109432850B - Filter capable of automatically adjusting dirt suction gap - Google Patents
Filter capable of automatically adjusting dirt suction gap Download PDFInfo
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- CN109432850B CN109432850B CN201811634284.4A CN201811634284A CN109432850B CN 109432850 B CN109432850 B CN 109432850B CN 201811634284 A CN201811634284 A CN 201811634284A CN 109432850 B CN109432850 B CN 109432850B
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- filter
- assembly
- suction nozzle
- filter cartridge
- dirt
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 111
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 239000006096 absorbing agent Substances 0.000 claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 5
- 241000195493 Cryptophyta Species 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 6
- 238000005266 casting Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000009749 continuous casting Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a filter capable of automatically adjusting a dirt suction gap, and belongs to the technical field of water filtering equipment. The filter comprises: the sewage treatment device comprises a machine body, a filter cartridge assembly, a sewage absorber assembly and a detection transmission assembly, wherein a middle partition plate is arranged in the machine body, and the filter cartridge assembly fixed on the middle partition plate divides the machine body into a water inlet chamber, a filter cartridge chamber and a water purifying chamber; the filter cartridge assembly is arranged in the machine body and comprises a filter cartridge, a filter cartridge inlet assembly connected with the filter cartridge and a filter cartridge outlet support ring; the dirt absorber component is arranged in the filter cylinder and comprises a suction nozzle component, a dirt absorber central tube and a transmission screw rod; the detection transmission assembly comprises a motor speed reducer, a coupling, a bearing, a detection shaft and a transmission shifting fork component which are sequentially connected, and a proximity switch component is arranged on a detection column and used for detecting the position information of the dirt absorber component. The invention has wide application range, and the cleaning of the viscous impurities such as oil, algae and the like is more thorough by adding the suction nozzle capable of automatically adjusting the dirt suction gap and the high-pressure water knife.
Description
Technical Field
The invention belongs to the technical field of water filtering equipment, and particularly relates to a filter capable of automatically adjusting a dirt suction gap.
Background
In the metallurgical industry of China, no matter round billet continuous casting machine or slab continuous casting machine is used, a certain number of cooling nozzles matched with the billet type are arranged in the continuous casting secondary cooling water to cool the casting blank, but as iron scales, sand grains, soil, fibers and uncertain mechanical impurities are mixed in the secondary cooling water, nozzle blockage occurs frequently, so that the cooling water quantity of the casting blank is reduced, and the quality and the production efficiency of the casting blank are affected by uneven cooling of the casting blank. For this reason, many steel plants add a filter to the secondary cooling water system to treat the secondary cooling water, however, the existing secondary cooling water filters are mostly brush type or suction type filters.
The brush filter is completed by utilizing the pressure of the water system and the friction force of the steel brush, the internal steel brush rotates to scrape the inner part of the net body, the steel brush is contacted with the inner wall of the net body, and impurities on the surface of the filter screen can be discharged along with water flow through a sewage outlet under the action of the steel brush and the water pressure, so that a back flushing sewage suction mode is formed. However, the steel brush of the filter is contacted with the net body, a part of impurities are drilled outside the net body through meshes under the action of the steel brush, so that an ideal filtering effect cannot be achieved.
The suction filter is to adsorb mechanical impurities adhered to the inner wall of the net body by using a suction nozzle. The viscous impurities of oil and algae are often stuck on the inner wall of the net body, the suction nozzle can not thoroughly adsorb the impurities under the action of no external force, and can not realize effective cleaning, especially large particles larger than the gap between the suction nozzle and the net body are directly clamped between the suction nozzle and the net body, so that the dirt absorber can not normally rotate, and the normal work is influenced. These drawbacks have plagued water treatment systems.
Disclosure of Invention
The invention solves the technical problem that the filter can not thoroughly filter by adopting the suction type or brush type filter in the prior art by providing the filter capable of automatically adjusting the dirt suction gap, and achieves the technical effect that the size particles on the filter cylinder can be effectively sucked out by adopting the suction nozzle assembly capable of automatically adjusting the dirt suction gap.
In order to achieve the above object, the technical solution of the present invention is:
A filter for automatically adjusting a soil pick-up gap, the filter comprising:
the filter cartridge assembly is fixed on the middle partition plate and divides the machine body into a water inlet chamber, a filter cartridge chamber and a water purifying chamber, and a sewage draining chamber and a sewage draining outlet are arranged outside the rear end cover;
The filter cartridge assembly is arranged in the machine body and comprises a filter cartridge, a filter cartridge inlet assembly and a filter cartridge outlet support ring, wherein the filter cartridge inlet assembly is connected with the filter cartridge, the filter cartridge assembly is fixed on the middle partition plate through the filter cartridge inlet assembly, and the filter cartridge outlet support ring is connected with the rear end cover;
The dirt absorber assembly is arranged in the filter cylinder and comprises a suction nozzle assembly, a dirt absorber central tube and a transmission screw rod, the transmission screw rod is fixed on the filter cylinder inlet assembly through a transmission screw nut and is connected with the dirt absorber central tube, the suction nozzle assembly comprises a suction nozzle seat, a suction nozzle guide sleeve, a spring and a suction nozzle, the suction nozzle seat is welded on the dirt absorber central tube, a suction nozzle is arranged in the suction nozzle seat and is connected with the suction nozzle guide sleeve through the spring, and the suction nozzle moves up and down in the suction nozzle guide sleeve under the action of the spring;
Detect the transmission assembly, contain motor reducer, shaft coupling, bearing, detection axle, transmission shift fork subassembly that connects gradually, transmission shift fork subassembly is connected with the transmission lead screw, still be equipped with the detection post on the bearing, be equipped with proximity switch subassembly on the detection post for detect the positional information of dirt absorber subassembly.
Preferably, the dirt absorber assembly further comprises a high-pressure water knife, and the high-pressure water knife and the suction nozzle assembly are welded on the central tube of the dirt absorber side by side.
Preferably, the filter is also provided with a high-pressure water system, comprising a high-pressure pump, a high-pressure pump water inlet pipe, a high-pressure pump water outlet pipe, a water inlet guide rod, a high-pressure water jacket and a stainless steel pipeline, wherein one end of the high-pressure pump water inlet pipe is connected with the high-pressure pump inlet, and the other end of the high-pressure pump water inlet pipe is connected with the water purifying chamber; one end of a water outlet pipe of the high-pressure pump is connected with an outlet of the high-pressure pump, the other end of the water outlet pipe of the high-pressure pump is connected with a water inlet guide rod, the water inlet guide rod is arranged in a sewage disposal chamber, the other end of the water inlet guide rod is inserted into an inlet of the high-pressure water jacket, an outlet of the high-pressure water jacket is connected with a stainless steel pipeline, and the stainless steel pipeline is connected with a high-pressure water knife in series.
Preferably, the pollution discharge chamber is connected with the water inlet chamber through a central pipe of the pollutant suction device to collect impurities in raw water and discharge the impurities through a pollution discharge outlet.
Preferably, the detection transmission assembly is also provided with a pressure disc type sealing assembly, and the detection shaft passes through the bearing and the pressure disc type sealing assembly to realize a sealing function.
Preferably, the pressure disc type sealing assembly comprises a sealing pressure disc, a sealing sleeve and a sealing sleeve seat, wherein the sealing pressure disc is fixed outside the detection shaft, and the sealing sleeve is fixed on the sealing pressure disc through the sealing sleeve seat.
Preferably, the transmission shifting fork assembly comprises a shifting fork upper cover and a shifting fork which are arranged on the detection shaft, the shifting fork is connected with a driving plate, and the driving plate is fixed on the transmission screw rod.
Preferably, a differential pressure transmitter is arranged in the filter and used for detecting the differential pressure of the water inlet chamber and the water purifying chamber, transmitting differential pressure signals to a controller and controlling the starting of the motor reducer through the controller.
Preferably, the proximity switch assembly comprises a last proximity switch and a start proximity switch, and the last proximity switch and the start proximity switch are connected with the controller through electric signals.
The beneficial effects of the invention are as follows:
1. The suction nozzle of the dirt suction device can automatically adjust the dirt suction gap, particles can be effectively sucked out no matter the size of the dirt suction device, the phenomenon that the dirt suction device is stuck is avoided, the suction nozzle and the inner wall of the net body are provided with a gap, impurities cannot be drilled outside the net body due to external force, and for fine and oily viscous impurities, a high-pressure water knife is additionally arranged at the tail part of the dirt suction device and used for scraping and washing the impurities firmly adhered on the inner wall of the filter cylinder, and meanwhile, the impurities are discharged from the central tube of the suction nozzle through the suction nozzle with the changed gap, so that an ideal filtering effect is achieved.
2. The invention is not affected by water quality and environment, has wide application range, and can clean the viscous impurities such as oil, algae and the like more thoroughly by adding the high-pressure water knife.
3. According to the invention, the automatic dirt sucking function is realized by arranging the detection transmission assembly and the differential pressure transmitter, the automation degree is high, the manual intervention operation is avoided, and the labor cost is greatly reduced.
Drawings
Fig. 1 is a schematic view of the structure of the filter of the present invention.
Fig. 2 is a schematic structural view of the suction nozzle assembly of the present invention.
Fig. 3 is a schematic diagram of the structure of the invention in which the drive screw is connected to the flange of the suction cleaner.
Fig. 4 is a schematic view of the structure of the platen sealing device of the present invention.
Fig. 5 is a schematic structural view of the connection of the high-pressure water jet knife and the suction nozzle assembly.
Fig. 6 is a schematic view of the structure of the high-pressure water system of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
As shown in fig. 1, a filter for automatically adjusting a soil pick-up gap, the filter comprising: the sewage treatment device comprises a machine body, a filter cartridge assembly, a sewage absorber assembly and a detection transmission assembly, wherein the machine body comprises a water inlet 10, a water outlet 11, a front end cover 12 and a rear end cover 13, a middle partition plate 14 is arranged inside the machine body 1, the filter cartridge assembly fixed on the middle partition plate 14 divides the machine body into a water inlet chamber 15, a filter cartridge chamber 16 and a water purification chamber 17, and a sewage discharge chamber 18 and a sewage discharge outlet 19 are arranged outside the rear end cover; a drain valve 190 is arranged at the drain outlet; the sewage disposal chamber 18 is connected with the water inlet chamber 15 through a sewage absorber central pipe 31 to collect impurities in raw water and is discharged through a sewage disposal outlet 19;
The filter cartridge assembly is arranged in the machine body and comprises a filter cartridge 20, a filter cartridge inlet assembly 21 and a filter cartridge outlet support ring 22, wherein the filter cartridge inlet assembly 21 is connected with the filter cartridge 20, the filter cartridge assembly is fixed on the middle partition plate 14, and the filter cartridge outlet support ring 22 is connected with the rear end cover 13; the filter cartridge 20 adopts a filter cartridge with the filtering precision of 50-200 um;
The dirt absorber assembly is arranged in the filter cartridge 20 and comprises a suction nozzle assembly 30, a dirt absorber central tube 31 and a transmission screw rod 32, wherein the transmission screw rod 32 is fixed on the filter cartridge inlet assembly 21 through a transmission screw 321 and is connected with the dirt absorber central tube 31. As shown in fig. 2, the suction nozzle assembly 30 includes a suction nozzle seat 301, a suction nozzle guide sleeve 302, a spring 303 and a suction nozzle 304, wherein the suction nozzle seat 301 is welded on the central tube 31 of the dirt absorber, the suction nozzle guide sleeve 302 is arranged in the suction nozzle seat 301, the suction nozzle guide sleeve 302 is connected through the spring 303, and the suction nozzle 304 moves up and down in the suction nozzle guide sleeve 302 under the action of the spring 303;
As shown in fig. 3, the driving screw 32 is connected to the suction cleaner flange 312 on the suction cleaner center pipe 31 through a screw flange 322, and the screw flange 322 and the suction cleaner flange 312 are fixed by a fastening nut 313 and a fastening screw 314.
The detection transmission assembly comprises a motor speed reducer 40, a coupler 41, a bearing 42, a detection shaft 43 and a transmission shifting fork assembly 44 which are sequentially connected, wherein the transmission shifting fork assembly 44 is connected with a transmission screw rod 32, a detection column 45 is further arranged on the bearing 42, and a proximity switch assembly is arranged on the detection column 45 and used for detecting position information of the dirt absorber assembly. The proximity switch assembly comprises a last proximity switch and a beginning proximity switch, and the last proximity switch and the beginning proximity switch are connected with the controller through electric signals. The transmission fork assembly 44 comprises a fork upper cover and a fork which are arranged on the detection shaft, the fork is connected with a driving plate 47, and the driving plate 47 is fixed on the transmission screw 32.
As shown in fig. 4, the detection transmission assembly is further provided with a pressure disc type sealing assembly 46, and the detection shaft 43 passes through the bearing 42 and the pressure disc type sealing assembly 46 to realize a sealing function, so as to ensure the tightness of the connection between the detection shaft 43 and the bearing 42. The pressure plate seal assembly 46 comprises a seal pressure plate 461, a seal sleeve 462 and a seal sleeve seat 463, wherein the seal pressure plate 461 is fixed outside the detection shaft 43, and the seal sleeve 462 is fixed on the seal pressure plate 461 through the seal sleeve seat 463. The motor reducer 40 is connected with the coupler 41, the coupler 41 is connected with one end of the detection shaft 43, the other end of the detection shaft 43 is connected with the transmission shifting fork assembly 44, the transmission shifting fork assembly 44 is matched with the transmission screw rod 32 in the dirt absorber assembly to transmit power, and the detection column 45 is matched with the proximity switch assembly to transmit electric signals. In addition, a differential pressure transmitter is arranged in the filter and is used for detecting the differential pressure of the water inlet chamber 15 and the water purifying chamber 17, transmitting a differential pressure signal to a controller and controlling the starting of the motor reducer 40 through the controller.
In the above embodiment, when the filter works normally, the secondary cold water raw water enters the intake chamber 15 from the water inlet 10, enters the filter cartridge chamber 16 through the filter cartridge inlet component 21, intercepts impurities on the inner wall of the filter cartridge 20 through the filtration of the filter cartridge 20, the purified water enters the water purification chamber 17 and then enters the application site through the water outlet 11, at this time, the valve of the water inlet 10 and the valve of the water outlet 11 are in an open state, the valve of the blowdown chamber 18 is in a closed state, the suction nozzle component 30 is positioned on the right side of the filter cartridge 20 and is in a static state, and the high-pressure water pump is in a static state.
After normal filtration operation is carried out for a period of time, as the impurities intercepted by the filter cartridge 20 are continuously increased, the water yield of the filter cartridge 20 is gradually reduced, the pressure difference between the water inlet chamber 15 and the water purifying chamber 17 is gradually increased, when the pressure difference between the water inlet chamber 15 and the water purifying chamber 17 reaches a set value, the pressure difference transmitter transmits an electric signal to the controller, the motor reducer 40 is automatically started to operate for self-cleaning, the valve of the pollution discharge chamber 18 is rapidly opened at the moment, and the motor reducer 40 rotates anticlockwise to transmit power to the detection shaft 43 through the coupler 41 and drive the shifting fork upper cover 14 and the shifting fork 16 on the detection shaft 43 to rotate. The shifting fork 16 drives the driving plate 18 fixed on the transmission screw 19 to rotate, at the moment, the suction nozzle assembly 30 rotates and moves leftwards in a spiral way, when no large particles exist, the suction nozzle 304 which automatically adjusts the dirt sucking gap on the suction nozzle assembly 30 moves spirally along with the rotation of the suction nozzle assembly 30, the gap between the suction nozzle 304 and the filter drum 20 keeps a set state, the gap moves leftwards in a spiral way around the inner wall of the filter drum 20, impurities attached to the inner wall of the filter drum 20 are sucked into the dirt sucking center tube 31 of the dirt sucking assembly and flow into the dirt discharging chamber 18, the dirt discharging valve 190 and the motor speed reducer 40 are synchronously opened, the impurities are discharged through the dirt discharging valve 190, at the moment, the high-pressure water system is not started, and the suction nozzle sucks dirt by means of the relative pressure difference between the water pressure in the pipeline and the dirt discharging outlet 19. When large-particle impurities exist, the particles are contacted with the suction nozzle 304 under the action of hydraulic force and rotating force, the spring 303 in the suction nozzle 304 is compressed, the suction nozzle 304 moves downwards through the suction nozzle guide sleeve 302, the gap between the suction nozzle 304 and the filter cylinder 20 is enlarged, the particles enter the central tube 31 of the dirt absorber assembly through the suction nozzle 304 and are discharged through the sewage outlet 19, and the suction nozzle 304 is restored to the original state through the suction nozzle guide sleeve 302 under the action force of the spring 303 after no particles are contacted, so that the function of automatically adjusting the gap is realized.
In another preferred embodiment, as shown in fig. 5, the dirt absorber assembly further comprises a high-pressure water knife 33, and the high-pressure water knife 33 and the suction nozzle assembly 30 are welded on the dirt absorber central tube 31 side by side, so that the dirt is sucked out through the suction nozzle 304 while scraping the filter cartridge 20.
In another preferred embodiment, as shown in fig. 6, the filter is further provided with a high-pressure water system, which comprises a high-pressure pump 50, a high-pressure pump water inlet pipe 51, a high-pressure pump water outlet pipe 55, a water inlet guide rod 53, a high-pressure water jacket 54 and a stainless steel pipeline 56, wherein one end of the high-pressure pump water inlet pipe 51 is connected with an inlet of the high-pressure pump 50, and the other end is connected with the water purifying chamber 17; one end of the high-pressure pump water outlet pipe 55 is connected with the outlet of the high-pressure pump 50, the other end is connected with the water inlet guide rod 53, the water inlet guide rod 53 is arranged in the sewage disposal chamber 18, the other end is inserted into the inlet of the high-pressure water jacket 54, the outlet of the high-pressure water jacket 54 is connected with the stainless steel pipeline 56, and the stainless steel pipeline 56 is connected with the high-pressure water knife 33 in series. The water inlet guide rod 53 is connected with the high-pressure pump 50 through the high-pressure water guide flange 52.
In the above embodiment, when the suction nozzle assembly 30 reaches the left end, a signal is sent to the controller through the last proximity switch on the detection column 45, the motor reducer 40 rotates in a reversing manner, the suction nozzle assembly 30 rotates in a reversing manner, meanwhile, the high-pressure water system is started, purified water in the purified water chamber 17 is pressurized through the high-pressure water pump 50, is pumped into the water inlet guide rod 53 and then reaches the high-pressure water knife 33 on the dirt absorber assembly through the high-pressure water jacket 54 and the stainless steel pipeline 56, so that a fan-shaped knife surface is formed, the high-pressure water knife 33 scrapes the dirt which is not sucked in a single way on the inner wall of the filter drum 20, and sucks the dirt in the dirt absorber central tube 31 through the suction nozzle 304 capable of automatically adjusting the dirt suction gap, and is discharged through the drain 19, so that thorough secondary dirt suction self-cleaning is completed. After the filter thoroughly completes secondary dirt suction self-cleaning, a starting position proximity switch on the detection column 45 sends out a signal, the motor speed reducer 40 stops, the quick drain valve 190 is closed, the high-pressure water system stops running, and the whole machine is in a normal filtering working state.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (9)
1. A filter for automatically adjusting a soil pick-up gap, the filter comprising:
the filter cartridge assembly is fixed on the middle partition plate and divides the machine body into a water inlet chamber, a filter cartridge chamber and a water purifying chamber, and a sewage draining chamber and a sewage draining outlet are arranged outside the rear end cover;
The filter cartridge assembly is arranged in the machine body and comprises a filter cartridge, a filter cartridge inlet assembly and a filter cartridge outlet support ring, wherein the filter cartridge inlet assembly is connected with the filter cartridge, the filter cartridge assembly is fixed on the middle partition plate through the filter cartridge inlet assembly, and the filter cartridge outlet support ring is connected with the rear end cover;
The dirt absorber assembly is arranged in the filter cylinder and comprises a suction nozzle assembly, a dirt absorber central tube and a transmission screw rod, the transmission screw rod is fixed on the filter cylinder inlet assembly through a transmission screw nut and is connected with the dirt absorber central tube, the suction nozzle assembly comprises a suction nozzle seat, a suction nozzle guide sleeve, a spring and a suction nozzle, the suction nozzle seat is welded on the dirt absorber central tube, a suction nozzle is arranged in the suction nozzle seat and is connected with the suction nozzle guide sleeve through the spring, and the suction nozzle moves up and down in the suction nozzle guide sleeve under the action of the spring; by compressing the spring inside the suction nozzle, the suction nozzle moves downwards through the suction nozzle guide sleeve, and the gap between the suction nozzle and the filter cylinder is enlarged;
Detect the transmission assembly, contain motor reducer, shaft coupling, bearing, detection axle, transmission shift fork subassembly that connects gradually, transmission shift fork subassembly is connected with the transmission lead screw, still be equipped with the detection post on the bearing, be equipped with proximity switch subassembly on the detection post for detect the positional information of dirt absorber subassembly.
2. The automatically adjusted dirt pick-up gap filter of claim 1 wherein the dirt pick-up assembly further comprises a high pressure water knife welded to the dirt pick-up center tube side by side with the suction nozzle assembly.
3. The filter for automatically adjusting the dirt suction gap according to claim 2, wherein the filter is further provided with a high-pressure water system, and the filter comprises a high-pressure pump, a high-pressure pump water inlet pipe, a high-pressure pump water outlet pipe, a water inlet guide rod, a high-pressure water jacket and a stainless steel pipeline, wherein one end of the high-pressure pump water inlet pipe is connected with an inlet of the high-pressure pump, and the other end of the high-pressure pump water inlet pipe is connected with a water purifying chamber; one end of a water outlet pipe of the high-pressure pump is connected with an outlet of the high-pressure pump, the other end of the water outlet pipe of the high-pressure pump is connected with a water inlet guide rod, the water inlet guide rod is arranged in a sewage disposal chamber, the other end of the water inlet guide rod is inserted into an inlet of the high-pressure water jacket, an outlet of the high-pressure water jacket is connected with a stainless steel pipeline, and the stainless steel pipeline is connected with a high-pressure water knife in series.
4. The filter for automatically adjusting a sewage suction gap according to claim 1, wherein the sewage draining chamber is connected with the water inlet chamber through a central pipe of the sewage suction device to collect impurities in raw water, and the impurities are discharged through a sewage draining outlet.
5. The filter for automatically adjusting a dirt suction gap according to claim 1, wherein the detection transmission assembly is further provided with a pressure plate type sealing assembly, and the detection shaft passes through the bearing and the pressure plate type sealing assembly to realize a sealing function.
6. The filter for automatically adjusting a dirt pick-up gap according to claim 5, wherein the pressure plate type sealing assembly comprises a sealing pressure plate, a sealing sleeve and a sealing sleeve seat, the sealing pressure plate is fixed on the outer part of the detection shaft, and the sealing sleeve is fixed on the sealing pressure plate through the sealing sleeve seat.
7. The automatically adjusting soil pick-up gap filter of claim 1 wherein the drive fork assembly comprises a fork upper cover and a fork disposed on the detection shaft, the fork being connected to a dial secured to the transfer screw.
8. The filter for automatically adjusting a dirt suction gap according to any one of claims 1 to 7, wherein a differential pressure transmitter is arranged in the filter for detecting the differential pressure between the water inlet chamber and the water purifying chamber and transmitting a differential pressure signal to a controller, and the controller controls the motor speed reducer to be started.
9. The automatically adjusting soil pick-up gap filter of claim 8 wherein the proximity switch assembly comprises a last proximity switch and a start proximity switch, the last proximity switch and the start proximity switch being electrically connected to a controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634284.4A CN109432850B (en) | 2018-12-29 | 2018-12-29 | Filter capable of automatically adjusting dirt suction gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634284.4A CN109432850B (en) | 2018-12-29 | 2018-12-29 | Filter capable of automatically adjusting dirt suction gap |
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| Publication Number | Publication Date |
|---|---|
| CN109432850A CN109432850A (en) | 2019-03-08 |
| CN109432850B true CN109432850B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811634284.4A Active CN109432850B (en) | 2018-12-29 | 2018-12-29 | Filter capable of automatically adjusting dirt suction gap |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110538501A (en) * | 2019-09-26 | 2019-12-06 | 海宁市水享净水设备有限公司 | back-flushing prefilter and water purifier with same |
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