CN215276017U

CN215276017U - Automatic rotational flow dirt removing device

Info

Publication number: CN215276017U
Application number: CN202120638449.6U
Authority: CN
Inventors: 栾勇; 蒋雷; 李军强; 丁江涛
Original assignee: Yantai Zhengda Thermal Power Equipment Co ltd
Current assignee: Yantai Zhengda Thermal Power Equipment Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-24
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to an automatic rotational flow decontamination device, which comprises a decontamination cylinder and a filter cylinder arranged in the decontamination cylinder, wherein the filter cylinder is connected with the decontamination cylinder through a partition plate, the filter cylinder comprises a cylinder-shaped filter screen and a conical filter screen, and the conical filter screen is arranged at the bottom of the cylinder-shaped filter screen; still including the mechanism of leading dirty that is used for getting rid of the filth on the section of thick bamboo type filter screen, draw dirty mechanism draw dirty groove and be used for driving and draw dirty groove pivoted pivot, the pivot is rotatable setting under power unit's effect is in the section of thick bamboo type filter screen, draw dirty groove transversal personally submit U type structure, draw dirty groove's blind end with the pivot is connected, and the pivot is hollow structure, and the pivot is in draw dirty groove's the opening side on be equipped with at least one notch, draw dirty groove's open end stretch to the inner wall of section of thick bamboo type filter screen, the utility model discloses simple structure is compact, and degree of automation is high, and the two-stage filtration combines together, and it is better to filter the scrubbing effect, automatic back flush blowdown, and the blowdown is efficient, reduces workman's intensity of labour.

Description

Automatic rotational flow dirt removing device

Technical Field

The utility model relates to an automatic whirl scrubbing device belongs to scrubbing technical field.

Background

The dirt separator is a component widely applied to pipelines, and mainly has the functions of removing impurities or dirt in pipeline media, keeping water in the pipelines clean, reducing the flow resistance in the pipelines, protecting equipment, preventing the impurities from entering transmission equipment or other precise parts, and avoiding production faults or product quality caused by the impurities, so that the dirt separator is widely applied to the processes of chemical engineering, water treatment, heating ventilation and the like.

The sewage removing apparatus can be divided into a horizontal type sewage removing apparatus and a vertical type sewage removing apparatus according to different pipelines. However, the existing vertical dirt separator adopts a common cylindrical filter screen, so that on one hand, the filter effect is poor, the filter precision is insufficient, on the other hand, the filter screen is easy to be blocked by dirt, but no part for automatically removing the dirt and impurities on the filter screen exists, the cleaning work is complex, the cleaning of the filter part can be realized only by disassembling the equipment no matter the dirt amount, the influence of human factors is large, and the automation degree of the whole system is very low.

Disclosure of Invention

The utility model discloses not enough to prior art exists, provide a simple structure, it is effectual to filter the scrubbing, can in time clear up the filth on filter screen surface, avoids the filth to block up the filter screen, influences scrubbing efficiency, has reduced workman intensity of labour's automatic whirl scrubbing device simultaneously.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an automatic rotational flow dirt removing device comprises a dirt removing cylinder and a filter cylinder arranged in the dirt removing cylinder, wherein the dirt removing cylinder is provided with a water inlet, a water outlet and a sewage outlet, the filter cylinder is connected with the dirt removing cylinder through a partition plate, the filter cylinder comprises a cylinder-shaped filter screen and a conical filter screen, and the conical filter screen is arranged at the bottom of the cylinder-shaped filter screen;

still including the mechanism of leading of the filth that is used for getting rid of on the cartridge type filter screen, it draws dirty mechanism including drawing dirty groove and being used for driving and draw dirty groove pivoted pivot, the rotatable setting of pivot under power unit's effect is in the cartridge type filter screen, draw the transversal U type structure of personally submitting in dirty groove, draw the blind end in dirty groove with the pivot is connected, the pivot is hollow structure, the pivot is in draw the opening side in dirty groove to be equipped with at least one notch, draw the open end in dirty groove stretch to the inner wall of cartridge type filter screen, water inlet department is equipped with the inlet tube, the inlet tube along with the tangent direction setting of the outer wall of a scrubbing section of thick bamboo is in on the scrubbing section of thick bamboo.

The utility model has the advantages that: the structure is simple and compact, the two-stage filtering and decontamination effect is better through the conical filter screen and the cylindrical filter screen, the connecting pipe of the water inlet is tangent to the outer wall of the cylinder, water enters the inside of the cylinder from the water inlet in a tangential direction, the water flow can realize upward rotational flow along the tangential direction, and the decontamination capability is stronger; simultaneously, the sewage guide groove rotates under the action of the rotating shaft in the backwashing process to clean the inner wall of the filter screen, impurities staying on the filter screen are collected into the groove along the circumference of the filter screen, then enter the rotating shaft through the notch in the rotating shaft and finally flow to the sewage discharge port to be discharged, and the automatic cleaning and sewage discharge device has the advantages of good sewage discharge effect, capability of reducing labor intensity and improving sewage discharge efficiency. In a word, the utility model discloses simple structure is compact, and degree of automation is high, and the two-stage filtration combines together, and it is better to filter scrubbing effect, automatic back flush blowdown, and the blowdown is efficient, reduces workman's intensity of labour.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, a scraper is arranged at the opening end of the sewage guide groove.

Adopt above-mentioned further scheme's beneficial effect is, the scraper blade can adopt the polytetrafluoroethylene material, and the scraper blade passes through the bolt to be installed at the open end department that draws dirty groove, leaves very little clearance between the internal diameter of scraper blade and cartridge filter screen, has ensured the rotation flexibility that draws dirty groove, and the design of scraper blade avoids drawing dirty groove hardness itself big direct action filter screen that the filter screen weares and teares easily simultaneously.

Further, the cartridge type filter screen includes a plurality of steel wires and a plurality of annular rib, and is a plurality of the steel wire is circular distribution, and is a plurality of the steel wire passes through annular rib connects, the transversal trapezium structure of personally submitting of steel wire is adjacent be equipped with the clearance between the steel wire.

Adopt above-mentioned further scheme's beneficial effect to be, the cartridge type filter screen adopts steel frame construction, specifically is that trapezoidal stainless steel wire forms with the welding of annular rib, and impurity such as granule stops in adjacent trapezoidal hole after filtering, washes out impurity such as granule and flows into the drain under the effect of pressure differential during the blowdown.

Furthermore, the power mechanism comprises a driving motor, an upper cover is arranged at the top of the dirt removing barrel, the upper end and the lower end of the rotating shaft are respectively connected with the upper cover and the partition plate through bearings or shaft sleeves, the driving motor is arranged on the upper cover, and an output shaft of the driving motor is connected with the rotating shaft.

The beneficial effect of adopting above-mentioned further scheme is that, realize the drive of countershaft rotation through power unit.

The water inlet and the water outlet are respectively connected with a pressure-variable signal transmitting device, the pressure-variable signal transmitting device is used for transmitting a pressure-variable signal to the PLC, and the PLC controls the electric actuator and the electric control valve to be opened and closed according to the received signal.

The further scheme has the beneficial effects that the full-automatic control of the decontamination device is realized through the electric control system, and the pressure-variable signal ports on the connecting pipes of the water inlet and the water outlet are connected with the differential pressure transmitter through the signal pipes, so that the control of backwashing sewage discharge or stopping sewage discharge is realized.

Furthermore, the hole clearance of the conical filter screen is 3.5-4.5 mm.

Adopt above-mentioned further scheme's beneficial effect is, the interception filth, and the foreign particle gets into the drain along the inner wall whereabouts of scrubbing section of thick bamboo under the effect of gravity and centrifugal force, accomplishes coarse filtration, and the aperture clearance of toper filter screen is big, and the running resistance is little, can guarantee the smooth and easy flow of medium, can filter suspended solid and great granule impurity.

Furthermore, the hole clearance of the cylinder type filter screen is 0.6-1.4 mm.

The water after coarse filtration continues to swirl upwards, fine filtration is completed through the cylindrical filter screen, and the water flows out from the water outlet at the upper part.

Furthermore, a manhole is further arranged on the dirt removing cylinder.

The beneficial effect who adopts above-mentioned further scheme is, the overhaul of the equipments of being convenient for, get into inside or filth, impurity very many time when the bold object, can open the manhole and get into inside the equipment and clear up, the maintenance clearance of this scrubbing device of being convenient for.

Furthermore, the bottom of the decontamination cylinder is provided with a supporting leg, the supporting leg is connected with a lower seal head of the decontamination cylinder, and the drain outlet is arranged on the lower seal head.

The adoption of the further scheme has the beneficial effects that the support of the decontamination cylinder is realized through the support legs, and the height of the decontamination cylinder is raised, so that the pollution discharge and maintenance of the bottom sewage outlet are more convenient; the drain sets up in the bottom of low head, and the blowdown is rapider, is convenient for maintain the blow off pipe simultaneously.

Further, the inside of cartridge type filter screen still is equipped with the position sleeve, the center of position sleeve is equipped with and is used for the through-hole that the pivot passed, the position sleeve is installed on the baffle, the external diameter of position sleeve with the internal diameter looks adaptation of cartridge type filter screen.

Adopt above-mentioned further scheme's beneficial effect to support the lower part of cartridge type filter screen, further increase cartridge type filter screen's joint strength and support strength.

Drawings

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

FIG. 2 is a schematic view of the structure of FIG. 1 taken along the direction A-A;

FIG. 3 is a schematic structural view of the rotating shaft and the dirt guiding groove of the present invention;

FIG. 4 is a schematic top view of the rotating shaft and the dirt guiding groove of the present invention;

FIG. 5 is a schematic structural view of the rotating shaft of the present invention;

fig. 6 is a schematic structural view of the positioning sleeve of the present invention;

FIG. 7 is a schematic view of the structure of FIG. 6 taken along the direction B-B;

fig. 8 is a schematic structural view of the cylindrical filter screen of the present invention;

fig. 9 is a schematic top view of the cylindrical filter screen according to the present invention;

in the figure, 1, a decontamination cylinder; 2. a water inlet; 3. a water outlet; 4. a sewage draining outlet; 5. a partition plate; 6. a conical filter screen; 7. a cylindrical filter screen; 71. a steel wire; 72. an annular rib; 8. a rotating shaft; 81. a notch; 9. a sewage draining tank; 10. a squeegee; 11. a drive motor; 12. a manhole; 13. an upper cover; 14. a lower end enclosure; 15. a support leg; 16. a positioning sleeve; 17. a differential pressure transmitter; 18. an electrically controlled valve; 19. impurities; 20. an electric control cabinet.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 9, an automatic rotational flow dirt removing device includes a dirt removing cylinder 1 and a filter cartridge arranged in the dirt removing cylinder 1, wherein the dirt removing cylinder 1 is provided with a water inlet 2, a water outlet 3 and a dirt discharge outlet 4, the filter cartridge is connected with the dirt removing cylinder 1 through a partition plate 5, the filter cartridge includes a cylinder-shaped filter screen 7 and a conical filter screen 6, and the conical filter screen 6 is arranged at the bottom of the cylinder-shaped filter screen 7; still including the dirty mechanism that draws that is used for getting rid of the filth on the cartridge type filter screen, draw dirty mechanism draw dirty 9 grooves and be used for driving and draw dirty 9 pivoted pivots 8 in the groove, pivot 8 is rotatable setting under power unit's effect is in the cartridge type filter screen 7, draw the transversal U type structure of personally submitting of dirty 9 grooves, draw dirty 9 grooves's blind end with pivot 8 is connected, pivot 8 is hollow structure, pivot 8 is in draw and be equipped with at least one notch 81 on dirty 9 grooves's the opening side, draw dirty 9 grooves's open end stretch to cartridge type filter screen 7's inner wall, 2 departments of water inlet are equipped with the inlet tube, the inlet tube along with the tangent direction setting of the outer wall of a scrubbing section of thick bamboo 1 is in on the scrubbing section of thick bamboo 1.

A scraper 10 is arranged at the opening end of the dirt guiding groove 9. Scraper blade 10 can adopt the polytetrafluoroethylene material, and scraper blade 10 passes through the bolt to be installed at the open end department that draws dirty groove 9, leaves very little clearance between the internal diameter of scraper blade 10 and cartridge type filter screen 7, has ensured the rotation flexibility that draws dirty groove 9, and the design of scraper blade 10 avoids drawing dirty groove 9 self hardness directly to act on the easy wearing and tearing filter screen of filter screen simultaneously.

Barrel-type filter screen 7 includes a plurality of steel wires 71 and a plurality of annular rib 72, and is a plurality of steel wire 71 is circular distribution, and is a plurality of steel wire 71 passes through annular rib 72 connects, steel wire 71's transversal trapezium structure of personally submitting is adjacent be equipped with the clearance between the steel wire 71. The cylinder type filter screen 7 is of a steel frame structure, specifically, a trapezoidal stainless steel wire 71 is welded with an annular rib 72, impurities such as particles are stopped in adjacent trapezoidal holes after filtering, and the impurities such as the particles are flushed out under the action of pressure difference during pollution discharge to flow into the sewage outlet 4.

The power mechanism comprises a driving motor 11, an upper cover 13 is arranged at the top of the dirt removing barrel 1, the upper end and the lower end of the rotating shaft 8 are respectively connected with the upper cover 13 and the partition plate 5 through bearings or shaft sleeves, the driving motor 11 is installed on the upper cover 13, and an output shaft of the driving motor 11 is connected with the rotating shaft 8. The rotation of the rotating shaft 8 is driven by a power mechanism.

Still include control system, control system includes PLC, differential pressure transmitter 17, is used for controlling the electric actuator that power unit opened and close and is used for controlling the electric control valve 18 of the 4 switchings of drain, differential pressure transmitter 17 gathers through the signal pipe the pressure of water inlet 2 and delivery port 3 becomes the signal and transmits PLC for, PLC is according to the switch of the signal control electric actuator of accepting and electric control valve 18. The automatic control of the decontamination device is realized through an electric control system, the control system also comprises an electric control cabinet 20, and the electric control cabinet is arranged on a pressure change signal port on a connecting pipe of the water inlet 2 and the water outlet 3 on the upper cover and is connected with a differential pressure transmitter 17 through a signal pipe, so that the control of backwashing sewage discharge or stopping sewage discharge is realized.

The hole clearance of the conical filter screen 6 is 3.5-4.5 mm. Intercepting filth, foreign particle gets into drain 4 along the inner wall whereabouts of scrubbing section of thick bamboo 1 under the effect of gravity and centrifugal force, accomplishes coarse filtration, and the aperture clearance of toper filter screen 6 is big, and the running resistance is little, can guarantee the smooth and easy flow of medium, can filter suspended solid and great granule impurity.

The hole clearance of the cylindrical filter screen 7 is 0.6-1.4 mm. The water after coarse filtration continues to swirl upwards, fine filtration is completed through the cylindrical filter screen 7, and the water flows out from the water outlet 3 at the upper part.

The decontamination cylinder 1 is also provided with a manhole 12. The convenient equipment maintenance, when the inside or filth, impurity ten minutes of bold object entering equipment, can open manhole 12 and get into the inside clearance of equipment, the maintenance clearance of this scrubbing device of being convenient for.

The bottom of the decontamination cylinder 1 is provided with a supporting leg 15, the supporting leg 15 is connected with a lower seal head 14 of the decontamination cylinder 1, and the sewage outlet 4 is arranged on the lower seal head 14. The supporting of the decontamination cylinder 1 is realized through the supporting legs 15, and the height of the decontamination cylinder 1 is raised, so that the pollution discharge and maintenance of the bottom sewage discharge outlet 4 are more convenient; the drain outlet 4 is arranged at the bottom of the lower end socket 14, so that the sewage can be drained more quickly, and meanwhile, the drain pipe is convenient to maintain.

The inside of cartridge type filter screen 7 still is equipped with position sleeve 16, the center of position sleeve 16 is equipped with and is used for the through-hole that pivot 8 passed, position sleeve 16 installs on the baffle 5, the external diameter of position sleeve 16 with the internal diameter looks adaptation of cartridge type filter screen 7. The lower part of the cylindrical filter screen 7 is supported, and the connecting strength and the supporting strength of the cylindrical filter screen 7 are further increased.

The working principle is as follows: water enters the interior of the cylinder body from an inlet at the lower part in a tangential direction and flows upwards in a rotational flow along the tangential direction, dirt is intercepted by a conical filter cylinder of the filtering device, and impurity particles fall along the inner wall of the cylinder body under the action of gravity and centrifugal force to enter a drain outlet to finish coarse filtration; the filtered water continues to move upwards, enters the cylinder-shaped filter screen to finish fine filtration, and flows out from an outlet on the side edge of the upper part of the cylinder; the lower part of the cylinder body is provided with a manhole, so that equipment is convenient to overhaul, and when large objects enter the equipment or dirt and impurities are very much, the manhole can be opened to enter the equipment for cleaning. The filter equipment of this product is steel frame construction, is made for trapezoidal stainless steel wire welding by the cross-section, and impurity 19 such as granule stops in wedge-shaped hole after filtering, washes out impurity 19 such as granule and flows into the drain under the effect of pressure differential during the blowdown. A pressure variable signal port on the inlet and outlet connecting pipe is connected with a differential pressure transmitter by a signal pipe, when the pressure difference between the inlet and the outlet is greater than a set value in the operation process of the equipment, a control system opens an electric control valve of a sewage discharge port, an electric actuator starts to rotate, the equipment carries out back washing and sewage discharge, a sewage guide groove rotates in a filter screen, impurity particles are collected into the groove along the circumference of the filter screen and then flow to the sewage discharge port through an inner hole of a rotating shaft; when the pressure difference is smaller than a set value, the control system closes the electric actuator and the electric control valve in sequence and stops sewage discharge. The initial operation, the system has more filth, the frequency of pollution discharge is frequent, the valve is opened to discharge the filth when the pressure difference of the water inlet and the water outlet is 0.06MPa, the time is 5-5 seconds, the pressure difference is 0.02-0.04MPa after the operation for a period of time, the valve is opened to discharge the filth, and the pressure difference setting value of the equipment control system can be changed according to the field condition.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic rotational flow dirt removing device comprises a dirt removing cylinder (1) and a filter cylinder arranged in the dirt removing cylinder (1), wherein the dirt removing cylinder (1) is provided with a water inlet (2), a water outlet (3) and a sewage outlet (4), and is characterized in that the filter cylinder is connected with the dirt removing cylinder (1) through a partition plate (5), the filter cylinder comprises a cylinder-shaped filter screen (7) and a conical filter screen (6), and the conical filter screen (6) is arranged at the bottom of the cylinder-shaped filter screen (7);

still including the dirty mechanism that draws that is used for getting rid of the filth on the cartridge type filter screen, draw dirty mechanism including draw dirty groove (9) and be used for driving draw dirty groove (9) pivoted pivot (8), pivot (8) are rotatable setting under power unit's effect in cartridge type filter screen (7), draw the transversal U type structure of personally submitting of dirty groove (9), draw the blind end of dirty groove (9) with pivot (8) are connected, pivot (8) are hollow structure, pivot (8) are in be equipped with at least one notch (81) on the opening side of draw dirty groove (9), draw the open end of dirty groove (9) stretch to the inner wall of cartridge type filter screen (7), water inlet (2) department is equipped with the inlet tube, the inlet tube along with the tangent direction setting of the outer wall of a scrubbing section of thick bamboo (1) is in on the scrubbing section of thick bamboo (1).

2. The automatic cyclone decontamination device of claim 1, wherein a scraper (10) is provided at an open end of the dirt guiding groove (9).

3. The automatic rotational flow dirt removing device according to claim 2, characterized in that the cylindrical filter screen (7) comprises a plurality of steel wires (71) and a plurality of annular ribs (72), the plurality of steel wires (71) are distributed in a circular shape, the plurality of steel wires (71) are connected through the annular ribs (72), the cross section of each steel wire (71) is in a trapezoidal structure, and a gap is formed between every two adjacent steel wires (71).

4. The automatic rotational flow dirt removing device of claim 1, 2 or 3, wherein the power mechanism comprises a driving motor (11), an upper cover (13) is arranged at the top of the dirt removing cylinder (1), the upper end and the lower end of the rotating shaft (8) are respectively connected with the upper cover (13) and the partition plate (5) through bearings or shaft sleeves, the driving motor (11) is installed on the upper cover (13), and an output shaft of the driving motor (11) is connected with the rotating shaft (8).

5. The automatic rotational flow decontamination device of claim 1, 2 or 3, further comprising a control system, wherein the control system comprises a PLC, a differential pressure transmitter (17), an electric actuator for controlling the opening and closing of the power mechanism and an electric control valve (18) for controlling the opening and closing of the sewage outlet (4), the differential pressure transmitter (17) collects the pressure change signals of the water inlet (2) and the water outlet (3) through a signal pipe and transmits the signals to the PLC, and the PLC controls the opening and closing of the electric actuator and the electric control valve (18) according to the received signals.

6. The automatic cyclone scrubbing apparatus according to claim 1, 2 or 3, wherein said conical screen (6) has a hole gap of 3.5-4.5 mm.

7. The automatic cyclone decontamination device of claim 6, wherein the hole clearance of the cylinder type filter screen (7) is 0.6-1.4 mm.

8. The automatic cyclone dirt removing device of claim 1, characterized in that a manhole (12) is further provided on the dirt removing cylinder (1).

9. The automatic rotational flow dirt removing device of claim 1, characterized in that the bottom of the dirt removing cylinder (1) is provided with a support leg (15), the support leg (15) is connected with the lower seal head (14) of the dirt removing cylinder (1), and the dirt discharging port (4) is arranged on the lower seal head (14).

10. The automatic rotational flow dirt removing device according to claim 1, characterized in that a positioning sleeve (16) is further arranged inside the cylinder type filter screen (7), a through hole for the rotating shaft (8) to pass through is formed in the center of the positioning sleeve (16), the positioning sleeve (16) is installed on the partition plate (5), and the outer diameter of the positioning sleeve (16) is matched with the inner diameter of the cylinder type filter screen (7).