CN209865460U - A swirl type automatic mud scraping and filtering device - Google Patents

Abstract

The utility model relates to an automatic mud filter equipment of scraping of spiral-flow type, which comprises a housin, be equipped with the inlet tube on the casing, outlet pipe and mud pipe, the inlet tube is the reducing structure, in order to let the inflow produce the whirl, be connected with the intake pipe on the outlet pipe, the inlet tube, the outlet pipe, be equipped with respectively on intake pipe and the mud pipe and intake, go out water, admit air and mud pipe solenoid valve, it advances, be equipped with respectively on the outlet pipe, play water pressure detector, be equipped with filter and automatic mud scraper in the casing, automatic mud scraper mainly by mud scraper, mud scraper motion track, signal converter and be used for driving the power drive device who scrapes mud scraper work and constitute, filter equipment includes control module, advance, play water pressure detector, air pump and each solenoid valve are connected with control module respectively, control module is connected with power drive device through signal converter. This filter equipment not only can effectively filter aquatic impurity, can promote the effect of getting rid of the siltation impurity moreover and get rid of efficiency, guarantees filter equipment's permanent steady operation.

Description

A swirl type automatic mud scraping and filtering device

technical field

The utility model relates to the technical field of water treatment, in particular to a swirl type automatic mud scraping and filtering device.

Background technique

Traditional heating methods based on relatively concentrated and large-scale coal-fired boiler heating methods often consume a large amount of coal resources, which is likely to cause environmental pollution and energy waste. In recent years, water source heat pump technology has been widely concerned and applied to heating and cooling inside buildings due to its advantages such as high operating efficiency, low cost, energy-saving friendliness, stable and reliable operation, and significant environmental benefits. The water source heat pump technology is mainly based on the principle of water circulation and heat exchange to achieve continuous cooling and heating. The sand content in the water body is a key factor affecting the heat exchange efficiency, service life and stable operation of the heat pump unit. Therefore, it is necessary to develop a water source heat pump system that can be used , A practical device to efficiently remove suspended impurities in water is imminent.

Traditional ordinary mesh filters have disadvantages such as small dirt holding capacity, easy clogging, complicated cleaning and low degree of automation, which limit their wide application in the field of water treatment to a certain extent. The fully automatic cleaning filter is an improved high-efficiency filter device based on the traditional ordinary mesh filter. Compared with the traditional ordinary mesh filter, the filter device has the advantages of wide application, large processing capacity, not easy to clog and automatic impurity removal. And other advantages, with a good market environment. However, in practical applications, the fully automatic cleaning of the inner wall of the filter and the filter element often deposits a large amount of impurities, which are often difficult to effectively remove during the automatic cleaning process of the device, resulting in a serious reduction in the service life and filtration efficiency of the filter.

Contents of the invention

The purpose of this utility model is to provide a swirl type automatic mud scraping filter device, which can not only effectively filter impurities in water, but also improve the removal effect and efficiency of silted impurities, and ensure long-term stable operation of the filter device.

In order to achieve the above purpose, the technical solution of this utility model is: a swirl type automatic mud scraping and filtering device, including a housing (16), and the housing (16) is provided with a water inlet pipe (12), a water outlet pipe ( 2) and the mud discharge pipe (8), the water inlet pipe (12) is a variable diameter structure to allow the incoming water to generate swirl flow, the water outlet pipe is connected to the air inlet pipe (15), and the air inlet pipe (15) Connected with the air pump (13), the water inlet pipe (12), water outlet pipe (2), air inlet pipe (15) and mud discharge pipe (8) are respectively provided with a water inlet solenoid valve (11) and a water outlet solenoid valve ( 1), air intake solenoid valve (17) and sludge discharge solenoid valve (9), the water inlet pipe (12) and the water outlet pipe (2) are respectively equipped with an inlet water pressure detector (10) and an outlet water pressure detector ( 14) to detect the pressure difference between the inlet and outlet pipes, the housing (16) is provided with a filter (7) connected to the outlet pipe (2) and an automatic mud scraper, the automatic scraper The mud device is mainly composed of a mud scraper (5) set on the filter (7), a mud scraper movement track (6) set on the inner wall of the housing (16), and a mud scraper set on the outer side of the housing (16). A signal converter (3) and a power drive device (4) for driving the mud scraper (5) to reciprocate and scrape mud; the filter device also includes a control module, the inlet water pressure detector (10) and the water outlet The pressure detector (14) is respectively connected to the detection signal input end of the control module, the air pump (13), water inlet solenoid valve (11), water outlet solenoid valve (1), inlet solenoid valve (17) and The sludge discharge electromagnetic valve (9) is respectively connected to the control signal output ends of the control module, and the power drive device (4) is connected to the control module through a signal converter (3).

Further, the casing (16) includes an upper half casing with a cylindrical structure and a lower half casing with a tapered structure, the water inlet pipe (12) is arranged on the upper side of the lower half casing, and the The mud discharge pipe (8) is set at the bottom of the lower half shell, the outlet pipe (2) is set at the top of the upper half shell, and the filter (7) is set at the middle of the shell (16) to Connect with the outlet pipe (2).

Further, the water inlet pipe (12) is a tapered structure, and has an inclination angle of 5-10° with respect to the horizontal plane, so as to generate swirling flow to initially separate the raw water and impurities with large particle sizes.

Further, the filter (5) is a laminated filter with a micron pore size to form a dense filter element under the synergistic effect of spring force and water pressure to remove impurities of small particle size in water.

Further, the control module is provided with a backwash cycle setter to set the backwash cycle.

Compared with the prior art, the utility model has the beneficial effects of providing a swirl-type automatic mud-scraping filter device that can effectively prevent impurities from accumulating and silting inside the filter device. , using centrifugal force and density difference to realize the preliminary separation of large particle size impurities in raw water, relieve the pressure of the filter device, and then use nano-scale laminated filters to remove small particle size impurities in the water body, before backwashing, use a mud scraper to loosen, Scrape off the impurities accumulated on the laminated filter, and then in the backwashing stage, use the air-water mixed fluid composed of air bubbles and water to flush together to efficiently disperse, shed, and remove the accumulated impurities on the filter and housing, significantly Improving the removal effect and removal efficiency of sediment impurities has strong practicability and broad application prospects.

Description of drawings

Fig. 1 is a structural sectional view of the utility model embodiment.

Fig. 2 is a top view of the structure of the embodiment of the utility model.

Fig. 3 is a control schematic diagram of the embodiment of the utility model.

In the figure, 1. water outlet solenoid valve, 2. water outlet pipe, 3. signal converter, 4. power drive device, 5. mud scraper, 6. movement track of mud scraper, 7. filter, 8. mud discharge pipe , 9, mud discharge solenoid valve, 10, water inlet pressure detector, 11, water inlet solenoid valve, 12, water inlet pipe, 13, air pump, 14, water outlet pressure detector, 15, air inlet pipe, 16, shell, 17. Air intake solenoid valve.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

The utility model provides a swirl type automatic mud-scraping filter device which can effectively prevent impurities from accumulating inside the filter. The filter device is provided with a water outlet pipe and an air inlet pipe at the top, a water inlet pipe at the side, and a mud discharge pipe at the bottom. , The center of the filter device is equipped with a laminated filter and an automatic mud scraper. Solenoid valves are installed on the water inlet pipe, water outlet pipe, air inlet pipe and mud discharge pipe, and are regulated by the control module to realize the conversion of filtration and backwashing modes. The water inlet pipe is tapered, and has a horizontal inclination angle of 5~10° with the upper end of the tapered outer wall of the filter device shell, so as to use the swirling water inlet method to achieve the purpose of "swirling sand sedimentation" of raw water. The laminated filter forms a compact micron-level filter element under the action of spring force and water pressure, thereby removing small particle size impurities. The control module regulates the signal converter and the power drive device in sequence, so as to drive the mud scraper to perform periodic work, so as to realize the dispersion and scraping of impurities before backwashing.

The following is a specific embodiment of the utility model.

Fig. 1 and Fig. 2 are the structural sectional view and the plan view of the embodiment of the utility model. As shown in Figures 1 and 2, the swirling flow automatic mud scraping and filtering device of the present invention includes a housing (16), on which a water inlet pipe (12), an outlet pipe (2) and a mud discharge pipe are arranged. The pipe (8) and the water inlet pipe (12) are variable-diameter structures to allow the incoming water to generate swirling flow. The water inlet pipe (15) is connected to the air inlet pipe (15), and the air inlet pipe (15) is connected to the air pump (13). The water inlet pipe ( 12), the water outlet pipe (2), the air inlet pipe (15) and the mud discharge pipe (8) are respectively provided with the water inlet solenoid valve (11), the water outlet solenoid valve (1), the inlet solenoid valve (17) and the mud discharge pipe Solenoid valve (9). The water inlet pipe (12) and the water outlet pipe (2) are respectively provided with an inlet water pressure detector (10) and an outlet water pressure detector (14) to detect the pressure difference between the inlet and outlet pipes. The housing (16) is provided with a filter (7) connected to the outlet pipe (2) and an automatic mud scraper. The automatic mud scraper is mainly composed of a mud scraper (5) set on the filter (7), The mud scraper movement track (6) arranged on the inner wall of the housing (16), the signal converter (3) arranged on the outer side of the housing (16), and the reciprocating motion scraper for driving the mud scraper (5) The power drive unit (4) constitutes.

The swirl type automatic mud scraping filter device of the present utility model also includes a control module, the inlet water pressure detector (10) and the outlet water pressure detector (14) are respectively connected with the detection signal input end of the control module, the air pump (13), The water inlet solenoid valve (11), water outlet solenoid valve (1), inlet solenoid valve (17) and sludge discharge solenoid valve (9) are respectively connected to the control signal output end of the control module, and the power drive device (4) is converted by signal The device (3) is connected with the control module. A backwash cycle setter is provided on the control module to set the backwash cycle.

In this embodiment, the shell (16) includes an upper half shell with a cylindrical structure and a lower half shell with a tapered structure, the water inlet pipe (12) is arranged on the upper side of the lower half shell, and the mud discharge pipe (8) is arranged at the bottom of the lower half casing, the water outlet pipe (2) is arranged at the top of the upper half casing, and the filter (7) is arranged at the middle part of the casing (16) to connect with the water outlet pipe (2). In a preferred embodiment of the present utility model, the lower half shell has an inverted tapered structure.

In the water inlet stage, in order to realize the raw water flowing down along the inner wall of the device in the form of swirling flow and achieve the purpose of "swirling flow and sand removal", the water inlet pipe (12) adopts a tapered structure, and is installed at an inclination angle of 5-10° from the horizontal plane. The upper end of the outer wall of the device shell is tapered to generate a swirl flow to initially separate the raw water and impurities with large particle sizes. After the raw water enters the filter device through the jet flow of the water inlet pipe, it flows along the inner wall to the bottom of the device in the form of swirling flow. Based on the principle of density difference and centrifugal force, the raw water is initially separated from the large-size impurities to relieve the pressure on the filter.

In this embodiment, the filter (5) is a laminated sheet filter with a micron pore size, which forms a dense filter element with a pore size of 1-5 μm under the synergistic effect of spring force and water pressure, and removes small particle size impurities in water. The filter effect can be adjusted by adjusting the tightness of the laminations.

Fig. 3 is the control and working principle diagram of the embodiment of the utility model. As shown in Figure 3, control of the present utility model and working process are as follows:

After the raw water pipe is connected to the water inlet pipe (12) of the filter device, the filter device starts and starts to work. The working process of the swirl type automatic mud scraping and filtering device of the utility model includes a filtering process, a pretreatment process before backwashing and an air-water backwashing process. The filtering process proceeds as follows:

A1. The control module controls the water inlet solenoid valve (11) and the water outlet solenoid valve (1) to open, the inlet solenoid valve (17) and the sludge discharge solenoid valve (9) to close, and the raw water enters from the water inlet pipe (12) in the form of swirling flow The shell (16) initially separates raw water and impurities with large particle sizes.

A2. The water in the casing (16) is pushed by pressure to filter small-sized impurities in the water through the filter (7), and then flows out from the water outlet pipe (2).

When the set pressure difference and time parameters meet one of them, in this embodiment, the pressure difference between the inlet and outlet pipes is detected by the inlet water pressure detector (10) and the outlet water pressure detector (14). When it exceeds 0.1MPa, or reaches the backwash cycle set by the backwash cycle setter (12h), the control module controls the filter device to switch from the filtration process to the pretreatment process before backwashing and the air-water backwashing process.

The pretreatment process before backwashing is carried out as follows: the control module drives the power drive device (4) to work through the signal converter (3), and drives the mud scraper (5) along the track of the mud scraper (6) in the filter (7) ) to reciprocate up and down, to loosen and scrape off the impurities deposited on the filter before backwashing, so as to improve the removal rate of deposited impurities in the backwashing stage and ensure the long-term stable use of the filter device.

The air-water backwashing process is carried out as follows:

B1. The control module controls the water inlet solenoid valve (11) to close, the water outlet solenoid valve (1), the intake solenoid valve (17) and the mud discharge solenoid valve (9) to open, and the recoil water enters the casing from the outlet pipe (2) (16), the air from the air pump (13) enters the housing (16) from the intake pipe (15). In the air-water backwashing mode, set the backwashing water flow rate to 3~5 times of the water flow rate, and the air flow rate to 2~3m/s.

B2. The recoil water and air are mixed in the housing (16) to form an air-water mixed fluid. Under the push of pressure, the impurities deposited on the filter (7) and the housing (16) are flushed, and then the mud discharge pipe (8) ) outflow.

In a preferred embodiment of the present utility model, the lower half shell of the filter device is designed as an inverted conical structure, the design structure of the water inlet pipe is tapered, and the diameter of the outlet is half the diameter of the water outlet pipe, which can realize the swirling flow of raw water into the filter Internally, the purpose of "swirling sand settling" is achieved. In the filtration process, the laminated filter is designed with a filter diameter of 1 μm, which can remove more than 90% of impurities in raw water. In the backwashing process, the number of scraping mud in a single cycle of the automatic mud scraper is designed to be 2 times, which can meet the pre-cleaning requirements of the laminated filter impurities before backwashing, and can improve the removal rate of silted impurities of the filter device by 15-20%. In the backwashing mode, when the air flow rate is set to 2 m/s, and the backwashing flow rate is 4 times that of the influent flow rate, the impurities inside the filter can be effectively removed during the backwashing stage.

The above are the preferred embodiments of the utility model, and all changes made according to the technical solution of the utility model, when the functional effect produced does not exceed the scope of the technical solution of the utility model, all belong to the protection scope of the utility model.

Claims (5)

1. The utility model provides an automatic mud filter equipment of scraping of spiral-flow type, its characterized in that includes casing (16), be equipped with inlet tube (12), outlet pipe (2) and mud pipe (8) on casing (16), inlet tube (12) are the reducing structure to let intake produce the whirl, be connected with intake pipe (15) on the outlet pipe, intake pipe (15) are connected with air pump (13), be equipped with water inlet solenoid valve (11), play water solenoid valve (1), air inlet solenoid valve (17) and mud pipe (9) on inlet tube (12), outlet pipe (2), intake pipe (15) and mud pipe (8) respectively, be equipped with intake pressure detector (10) and play water pressure detector (14) on inlet tube (12) and outlet pipe (2) respectively to detect the pressure differential between the inlet pipe, the outlet pipe, be equipped with in casing (16) with filter (5) and the automatic mud scraper of being connected with outlet pipe (2), the automatic mud scraper mainly comprises a mud scraper (7) sleeved on the filter (5), a mud scraper moving track (6) arranged on the inner side wall of the shell (16), a signal converter (3) arranged on the outer side of the shell (16) and a power driving device (4) for driving the mud scraper (7) to reciprocate and scrape mud; the filter device further comprises a control module, the water inlet pressure detector (10) and the water outlet pressure detector (14) are respectively connected with a detection signal input end of the control module, the air pump (13), the water inlet electromagnetic valve (11), the water outlet electromagnetic valve (1), the air inlet electromagnetic valve (17) and the sludge discharge electromagnetic valve (9) are respectively connected with a control signal output end of the control module, and the power driving device (4) is connected with the control module through the signal converter (3).

2. The automatic mud scraping and filtering device of claim 1, wherein the housing (16) comprises an upper half housing with a cylindrical structure and a lower half housing with a tapered structure, the water inlet pipe (12) is arranged at the upper side of the lower half housing, the mud discharging pipe (8) is arranged at the bottom of the lower half housing, the water outlet pipe (2) is arranged at the top of the upper half housing, and the filter (5) is arranged in the middle of the housing (16) to be connected with the water outlet pipe (2).

3. The cyclone automatic sludge scraping and filtering device of claim 1, wherein the inlet pipe (12) is of a tapered structure and forms an inclination angle of 5 ~ 10 ° with the horizontal plane to generate cyclone for initial separation of raw water and large-particle-size impurities.

4. The automatic mud scraping and filtering device of claim 1, wherein the filter (5) is a micron pore size laminated filter to form a compact filter element under the synergistic action of spring force and water pressure to remove small particle size impurities in water.

5. The automatic mud scraping and filtering device of claim 1, wherein a back flush cycle setter is disposed on the control module to set a back flush cycle.