CN216155505U

CN216155505U - Rotary drum grating

Info

Publication number: CN216155505U
Application number: CN202121809290.6U
Authority: CN
Inventors: 凌清成; 徐红胜
Original assignee: Yixing Lingtai Environmental Protection Co ltd
Current assignee: Yixing Lingtai Environmental Protection Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-04-01
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a rotary drum grating, which relates to the technical field of sewage treatment and comprises an installation cylinder, a speed reducer, a first motor, a rotary drum, a baffle, a group of connecting plates, a spiral rod, a slag inlet groove and two fixing rods, wherein the speed reducer is installed at the upper end of the installation cylinder, the slag inlet groove is connected to the lower end of the installation cylinder, the spiral rod is rotatably installed in the installation cylinder and the slag inlet groove, the first motor is connected with the upper end of the spiral rod through the driving of the speed reducer, and the lower end of the spiral rod is fixedly connected with the rotary drum through the group of connecting plates. According to the utility model, the outer surface of the rotary drum is cleaned by the cleaning brush, so that on one hand, the interval time of two times of maintenance is increased, a large amount of manpower and material resources are saved, and on the other hand, the washing effect of washing on the dirt in the rotary drum is increased; through at inside installation axis of rotation of rotary drum and twine on the axis of rotation and clean the strip, effectively prevent that a large amount of filth from washing up in the place that can not arrive inside the rotary drum for inside cleaner of rotary drum has promoted the life of rotary drum.

Description

Rotary drum grating

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a rotary drum grating.

Background

A drum type grating, namely a drum type grating machine, is an ideal device for separating floating substances, settling substances and suspended substances in water and taking out the floating substances, the settling substances and the suspended substances in the process of treating urban sewage treatment plants and industrial wastewater, and is widely applied to solid-liquid separation, filter residue cleaning and transmission of urban domestic sewage plants and industrial wastewater treatment projects.

However, after the existing rotary drum grating is used for a period of time, hard dirt in the sewage can be flushed into the grating to block the grating, so that the flushing effect of adsorbing the dirt on the inner wall of the rotary drum is gradually reduced, the filtering effect of the rotary drum is further reduced, the time interval of two times of maintenance is reduced, and a large amount of manpower and material resources are wasted; direct washing is often not available inside the drum, so that a large amount of dirt is accumulated in the place which can not be washed inside the drum, and the service life of the drum is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the present invention provides a drum grid, which solves the problem that the effect of the drum grid is gradually weakened.

In order to achieve the purpose, the utility model provides the following technical scheme: a drum grating comprises an installation cylinder, a speed reducer, a first motor, a drum, a baffle, a group of connecting plates, spiral rods, a slag inlet groove and two fixing rods;

the slag feeding device comprises a mounting cylinder, a speed reducer, a screw rod, a rotary drum, a rotating shaft, a cleaning brush and a second motor, wherein the speed reducer is mounted at the upper end of the mounting cylinder, the slag feeding groove is connected at the lower end of the mounting cylinder, the screw rod is rotatably mounted in the mounting cylinder and the slag feeding groove, the first motor is connected with the upper end of the screw rod through the driving of the speed reducer, the lower end of the screw rod is fixedly connected with the rotary drum through a group of connecting plates, the screw rod and the rotary drum are coaxially arranged, the rotary drum is inserted at the center of a baffle and is in rotating fit with the baffle, the slag feeding groove is positioned at the center of the rotary drum, the lower end of the mounting cylinder connected with the slag feeding groove is inserted into the rotary drum, the baffle is fixedly connected with the mounting cylinder through two fixing rods which are oppositely arranged, the first mounting plate is fixedly mounted at the outer side of the mounting cylinder, a rotating shaft is rotatably mounted between the first mounting plate and the baffle, the rotating shaft is positioned at the outer side of the cleaning brush, the second motor drives and is connected with the rotating shaft, and the diameter of each brush hair of the cleaning brush is larger than the width of the strip-shaped hole.

Preferably, an included angle between the axis of the spiral rod and the horizontal plane is 30 degrees to 35 degrees, a group of the connecting plates are arranged in a circumferential array by taking the axis of the mounting cylinder as a circle center, a plurality of strip-shaped holes are formed in the rotary drum, the fixing rod is L-shaped and is arranged on the outer side of the rotary drum, and the length of the cleaning brush is greater than the distance from the rotary shaft to the rotary drum.

Preferably, a square pipe is fixedly mounted on one side of the baffle, a group of spray heads are mounted on one side of the square pipe close to the rotary drum in a linear array mode, one side of the square pipe is communicated with a water inlet pipe, and an electromagnetic valve is mounted on the water inlet pipe.

Preferably, insert the rotary drum installation section of thick bamboo outside fixed mounting has the second mounting panel, rotate on the second mounting panel and install the axis of rotation, the axis of rotation is located the rotary drum inboard, twine and be fixed with the cleaning strip on the axis of rotation, the thickness of cleaning strip is greater than the distance of rotary drum to axis of rotation.

Preferably, clean the strip including cotton cloth, two relative buffering cloth and a dacron cloth that set up have been made to cotton cloth one side, the dacron cloth is located between two buffering cloth, be equipped with a set of clearance hook on the dacron cloth.

Preferably, a feed opening is installed on one side of the installation cylinder, one end of a water return pipe is installed at a position, close to the feed opening, on the installation cylinder, and the other end of the water return pipe is arranged inside the rotary drum.

Preferably, the installation device further comprises a first fixing seat and a second fixing seat, a fixing pipe is sleeved and fixed on the installation cylinder, the fixing pipe is installed on the first fixing seat, a bearing sleeve is sleeved at the lower end of the screw rod, and the bearing sleeve is installed on the second fixing seat.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the cleaning brush is used, the rotating shaft is driven to rotate slowly by the second motor arranged on the outer side of the rotating drum, so that the cleaning brush rotates to clean the outer surface of the rotating drum, the diameter of the bristles of the cleaning brush is larger than the width of the strip-shaped hole, the cleaning brush cannot extend into the rotating drum or the strip-shaped hole when cleaning the outer side of the rotating drum, dirt attached to the inner part of the rotating drum is prevented from being brushed down, and when only the outer side of the rotating drum is cleaned, large-particle dirt attached to the outer side of the rotating drum can be effectively prevented from being flushed into the strip-shaped hole to be blocked, on one hand, the interval time of two times of maintenance is prolonged, a large amount of manpower and material resources are saved, and on the other hand, the flushing effect of flushing on the dirt in the rotating drum is increased.

2. When the cleaning device is used, the rotating shaft is arranged in the rotating drum, the cleaning strips are wound on the rotating shaft, the thickness of each cleaning strip is larger than the distance from the rotating drum to the rotating shaft, so that rotating shaft liquid can rotate while the rotating drum rotates, the cleaning strips are spirally wound on the rotating shaft, when the cleaning strips rotate, the buffer cloth strips can scrub the inside of the rotating drum, dirt wound in the strip-shaped holes can be hooked out by the cleaning hooks on the polyester cloth strips, on one hand, the strip-shaped holes are prevented from being blocked by the dirt, on the other hand, a large amount of dirt is prevented from being accumulated in the positions which cannot be washed in the rotating drum, the inside of the rotating drum is enabled to be cleaner, and the service life of the rotating drum is prolonged.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention.

Fig. 2 is another view of fig. 1.

Fig. 3 is a schematic view of the installation of the present invention.

Fig. 4 is a schematic view of the internal structure of the drum of the present invention.

FIG. 5 is a schematic view of the installation positions of the rotating shaft, the nozzle and the rotating shaft according to the present invention.

Fig. 6 is a schematic view of the basic structure of the cleaning strip of the present invention.

In the figure: 101. mounting the cylinder; 102. a speed reducer; 103. a first motor; 104. a fixed tube; 105. a first fixed seat; 106. a feeding port; 107. a second fixed seat; 108. a bearing housing; 109. a drum; 110. a strip-shaped hole; 111. a baffle plate; 112. a connecting plate; 113. a square tube; 114. a water inlet pipe; 115. an electromagnetic valve; 116. a first mounting plate; 117. a rotating shaft; 118. cleaning a brush; 119. a second motor; 120. a water outlet pipe; 121. a spray head; 122. a screw rod; 123. a second mounting plate; 124. a rotating shaft; 125. cleaning strips; 1251. cotton cloth strips; 1252. buffering cloth strips; 1253. polyester cloth strips; 1254. cleaning a hook; 126. a slag inlet groove; 127. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention provides the following preferred embodiments:

as shown in fig. 1 to 6, a drum grate includes an installation cylinder 101, a speed reducer 102, a first motor 103, a drum 109, a baffle 111, a set of connection plates 112, a screw rod 122, a slag inlet groove 126, two fixing rods 127, a first fixing seat 105 and a second fixing seat 107, wherein the screw rod 122 is a screw extrusion rod, the screw extrusion rod is a conventional prior art and is used for spirally transporting materials and extruding the materials to discharge moisture, and the speed reducer 102 is a planetary speed reducer;

the speed reducer 102 is installed at the upper end of the installation cylinder 101, the slag inlet groove 126 is connected at the lower end of the installation cylinder 101, the screw rod 122 is rotatably installed in the installation cylinder 101 and the slag inlet groove 126, the first motor 103 is connected with the upper end of the screw rod 122 through the speed reducer 102 in a driving manner, the lower end of the screw rod 122 is fixedly connected with the rotary drum 109 through a group of connecting plates 112, the screw rod 122 is coaxially arranged with the rotary drum 109, the rotary drum 109 is inserted at the center of the baffle 111 and is in rotating fit with the baffle 111, the slag inlet groove 126 is located at the center of the rotary drum 109, the lower end of the installation cylinder 101 connected with the slag inlet groove 126 is inserted into the rotary drum 109, the baffle 111 is fixedly connected with the installation cylinder 101 through two fixing rods 127 which are oppositely arranged, the first installation plate 116 is fixedly installed at the outer side of the installation cylinder 101, the rotating shaft 117 is rotatably installed between the first installation plate 116 and the baffle 111, the rotating shaft 117 is located at the outer side of the rotary drum 109, a brush 118 is installed on the rotating shaft 117, one side of the first installation plate 116 is installed with a second motor 119, the second motor 119 is connected with the rotating shaft 117 in a driving mode, the rotating drum 109 is provided with a plurality of strip-shaped holes 110, the diameter of each bristle of the cleaning brush 118 is larger than the width of each strip-shaped hole 110, and the cleaning brush 118 can be effectively prevented from stretching into the strip-shaped holes 110.

In this embodiment, as shown in fig. 1, in order to improve the filtering effect of the rotary drum, in this embodiment, an included angle between an axis of the screw rod 122 and a horizontal plane is 30 degrees, the set of connection plates 112 is arranged in a circumferential array with an axis of the installation cylinder 101 as a circle center, the fixing rod 127 is in an "L" shape and is arranged outside the rotary drum 109, the length of the cleaning brush 118 is greater than a distance from the rotating shaft 117 to the rotary drum 109, a square pipe 113 is fixedly installed on one side of the baffle 111, a set of nozzles 121 are installed in a linear array on one side of the square pipe 113 close to the rotary drum 109, one side of the square pipe 113 is communicated with a water inlet pipe 114, and an electromagnetic valve 115 is installed on the water inlet pipe 114.

In this embodiment, as shown in fig. 4 and 5, in order to further prolong the service life of the device, a second mounting plate 123 is fixedly mounted on the outer side of the mounting cylinder 101 inserted into the rotary drum 109, a rotating shaft 124 is rotatably mounted on the second mounting plate 123, the rotating shaft 124 is located on the inner side of the rotary drum 109, a cleaning strip 125 is wound and fixed on the rotating shaft 124, the thickness of the cleaning strip 125 is greater than the distance from the rotary drum 109 to the rotating shaft 124, the cleaning strip 125 includes a cotton strip 1251, two buffer cloth strips 1252 and a polyester cloth strip 1253 which are oppositely arranged are sewn on one side of the cotton strip 1251, the polyester cloth strip 1253 is located between the two buffer cloth strips 1252, a set of cleaning hooks 1254 is arranged on the polyester cloth strip 1253, and the cleaning hooks 1254 are made of soft plastic.

In this embodiment, as shown in fig. 1, in order to further improve the practicability of the device, the feed opening 106 is installed on one side of the installation cylinder 101, one end of the water outlet pipe 120 is installed at a position, close to the feed opening 106, on the installation cylinder 101, the other end of the water outlet pipe 120 is arranged inside the rotary drum 109, the installation cylinder 101 is sleeved and fixed with the fixed pipe 104, the fixed pipe 104 is hinged and installed on the first fixing seat 105 by using a pin shaft, the lower end of the spiral rod 122 is sleeved with the bearing sleeve 108, and the bearing sleeve 108 is hinged and installed on the second fixing seat 107 by using a pin shaft.

When the device is installed, firstly, the first fixing seat 105 and the second fixing seat 107 are fixed at corresponding positions, then the rest part is installed, after the installation is finished, the baffle 111 is placed in a sewage tank, the included angle between the axis of the installation cylinder 101 and the horizontal plane is 30 degrees, when the device is used, sewage flows into the rotary drum 109 from one end of the rotary drum 109, meanwhile, the first motor 103 controls the spiral rod 122 and the rotary drum 109 to rotate, when the rotary drum 109 rotates, dirt is adsorbed on the inner wall of the rotary drum 109, when the carried dirt reaches the position right below the spray head 121, the spray head 121 sprays water to flush down the dirt in the rotary drum 109 and fall into the slag inlet tank 126, the dirt is lifted and extruded by the spiral rod 122 and finally discharged from the feed opening 106, and the extruded dirty water flows back into the rotary drum 109 through the water outlet pipe 120; the second motor 119 arranged outside the rotary drum 109 drives the rotary shaft 117 to rotate slowly, so that the cleaning brush 118 rotates to clean the outer surface of the rotary drum 109, the diameter of bristles of the cleaning brush 118 is larger than the width of the strip-shaped hole 110, the cleaning brush 118 cannot extend into the rotary drum 109 or the strip-shaped hole 110 when cleaning the outer side of the rotary drum 109, dirt attached to the inside of the rotary drum 109 is prevented from being brushed down, and when cleaning is only performed on the outer side of the rotary drum 109, large-particle dirt attached to the outer side of the rotary drum 109 can be effectively prevented from being blocked by being flushed into the strip-shaped hole 110, on one hand, the interval time of two times of maintenance is prolonged, a large amount of manpower and material resources are saved, on the other hand, the flushing effect of flushing on the dirt inside the rotary drum 109 is increased, when the rotary drum is used, the rotary shaft 124 is arranged inside the rotary drum 109, and the cleaning strip 125 is wound on the rotary shaft 124, the thickness of cleaning strip 125 is greater than the distance of rotary drum 109 to axis of rotation 124, make in rotary drum 109 pivoted, axis of rotation 124 liquid can take place to rotate, cleaning strip 125 is spiral winding on axis of rotation 124, when cleaning strip 125 rotates, buffering cloth 1252 can scrub rotary drum 109's inside, clearance hook on the dacron cloth 1253 can collude the foul of winding in bar hole 110, prevent on the one hand that the foul from plugging up bar hole 110, on the other hand prevent that a large amount of foul from washing the place that can not arrive in rotary drum 109 inside and collecting, make rotary drum 109 inside cleaner, the life of rotary drum 109 has been promoted.

It is further understood that the use of relational terms such as first and second, and the like, herein, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drum grid is characterized in that: comprises an installation cylinder (101), a speed reducer (102), a first motor (103), a rotary drum (109), a baffle (111), a group of connecting plates (112), a spiral rod (122), a slag inlet groove (126) and two fixing rods (127);

the slag feeding device is characterized in that the speed reducer (102) is installed at the upper end of the installation barrel (101), the slag feeding groove (126) is connected to the lower end of the installation barrel (101), the spiral rod (122) is rotatably installed in the installation barrel (101) and the slag feeding groove (126), the first motor (103) is in drive connection with the upper end of the spiral rod (122) through the speed reducer (102), the lower end of the spiral rod (122) is fixedly connected with the rotary drum (109) through a group of connecting plates (112), the spiral rod (122) and the rotary drum (109) are coaxially arranged, the rotary drum (109) is inserted in the center of the baffle (111) and is in rotary fit with the baffle, the slag feeding groove (126) is located in the center of the rotary drum (109), the lower end of the installation barrel (101) connected with the slag feeding groove (126) is inserted into the rotary drum (109), the baffle (111) is fixedly connected with the installation barrel (101) through two fixing rods (127) which are arranged oppositely, install a section of thick bamboo (101) outside fixed mounting have first mounting panel (116), rotate between first mounting panel (116) and baffle (111) and install pivot (117), pivot (117) are located rotary drum (109) outside, install in pivot (117) and clean brush (118), second motor (119) are installed to first mounting panel (116) one side, second motor (119) drive connection pivot (117), a plurality of bar holes (110) have been seted up on rotary drum (109), the diameter of cleaning every brush hair of brush (118) all is greater than the width in bar hole (110).

2. A rotary drum grid according to claim 1, characterized in that: the included angle between the axis of the spiral rod (122) and the horizontal plane is 30-35 degrees, one group of the connecting plates (112) are arranged in a circumferential array by taking the axis of the mounting cylinder (101) as the circle center, the fixing rod (127) is L-shaped and is arranged on the outer side of the rotary drum (109), and the length of the cleaning brush (118) is greater than the distance from the rotary shaft (117) to the rotary drum (109).

3. A rotary drum grid according to claim 1, characterized in that: baffle (111) one side fixed mounting has square pipe (113), one side linear array that square pipe (113) are close to rotary drum (109) installs a set of shower nozzle (121), one side intercommunication of square pipe (113) has inlet tube (114), install solenoid valve (115) on inlet tube (114).

4. A rotary drum grid according to claim 1, characterized in that: insert rotary drum (109) installation section of thick bamboo (101) outside fixed mounting has second mounting panel (123), rotate on second mounting panel (123) and install axis of rotation (124), axis of rotation (124) are located rotary drum (109) inboard, it cleans strip (125) to twine and be fixed with on axis of rotation (124), the thickness of cleaning strip (125) is greater than the distance of rotary drum (109) to axis of rotation (124).

5. A rotary drum grid according to claim 4, characterized in that: cleaning strip (125) including cotton cloth strip (1251), two relative buffering cloth strips (1252) and a dacron cloth strip (1253) that set up have been made to cotton cloth strip (1251) one side, dacron cloth strip (1253) are located between two buffering cloth strips (1252), be equipped with a set of clearance hook (1254) on dacron cloth strip (1253).

6. A rotary drum grid according to claim 1, characterized in that: the feed opening (106) is installed to installation section of thick bamboo (101) one side, the one end that moves back water pipe (120) is installed to the position that is close to feed opening (106) on installation section of thick bamboo (101), the other end setting that moves back water pipe (120) is inside rotary drum (109).

7. A rotary drum grid according to claim 1, characterized in that: still include first fixing base (105) and second fixing base (107), cup joint and be fixed with fixed pipe (104) on installation section of thick bamboo (101), fixed pipe (104) are installed on first fixing base (105), bearing housing (108) have been cup jointed to the lower extreme of hob (122), bearing housing (108) are installed on second fixing base (107).