JP4074927B2 - Cleaning processing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cleaning processing apparatus.
[0002]
[Prior art]
The water purification plant is equipped with a sand basin where sewage from rivers and ordinary households is introduced, where the scum is lifted and the sedimented sand is pumped up and processed. .
[0003]
The dirty sand is recovered and incinerated and discarded or reused in the sea. However, if left as it is, a large amount of organic solids are attached and mixed in it. However, even if it is reused, there will be problems such as cracking in concrete.
[0004]
[Problems to be solved by the invention]
For this reason, organic solids are made finer by incineration disposal while pulverizing dirty sand with a drum screen or the like so that the above problem does not occur. Not.
[0005]
The present invention has been made to solve the above-mentioned problems, and the object of the present invention is to effectively separate the sediment and / or the sewage sand into the sand mud that settles with the separated floating matter by the circulation motion of the separation promoting piece. It is an object of the present invention to provide a cleaning processing apparatus.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the invention described in claim 1 includes a treatment tank into which residue and / or sewage sand is introduced. In the treatment tank, what is contained in the treatment tank is separated and floated as a separated float. It is a cleaning processing apparatus configured to discharge sand mud that has been removed from the tank and separated and floated from the tank to the outside, and the processing tank is configured to remove sediment and / or dirty sand in the tank. And a means for discharging sewage in the tank, a means for supplying washing water, and a means for discharging the washed sand and mud. Is formed such that the contact levitation path that rises together with the plurality of separation promoting pieces by the rising force of air and / or water extends in the vertical direction, and the upward flow in the contact levitation path is generated in the processing tank. Contact floating again with separation promoting piece Sedimentation path with introduced contacted floating channel to the lower end of the forming the circulation path is formed.
[0007]
According to a second aspect of the present invention, in the cleaning processing apparatus according to the first aspect, the upper end portion of the contact levitation path is a passage that curves in the direction of the settling path and communicates with the settling path.
[0008]
According to a third aspect of the present invention, in the cleaning apparatus according to the second aspect, the means for separating and floating the separated levitated material is on the side opposite to the bending direction of the path where the contact levitation path bends on one side in the treatment tank. Is provided.
[0009]
According to a fourth aspect of the present invention, in the cleaning treatment apparatus according to any one of the first to third aspects, the passage of the separation promoting piece is restricted at a position facing the lower end opening of the contact levitation path at the lower part of the treatment tank. There is provided a porous control material that has holes to permit passage of sand and mud.
[0010]
According to a fifth aspect of the present invention, in the cleaning processing apparatus according to the fourth aspect, the porous control material includes a cutting means.
[0011]
A sixth aspect of the present invention is the cleaning apparatus according to any one of the first to fifth aspects, wherein the means for introducing the dirty sand into the tank has a fixed circulating cleaning path, and the cleaning path In this configuration, sediment such as dirty sand collected in a certain place in the inflow water channel is washed while circulating, and only the washed dirt is introduced into the treatment tank.
[0012]
The invention described in claim 7 is the cleaning apparatus according to claim 6, The circulation cleaning path is equipped with mixing means .
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.
1 to 6 show an embodiment of the present invention. In this embodiment, 1 is a cleaning processing apparatus, and the apparatus 1 is fixedly installed on a lower installation base with a gantry (not shown). . The cleaning processing apparatus includes a processing tank 2, which is basically a rectangular body, an upper part is a rectangular cylinder, and a lower part is an inverted quadrangular pyramid. Of course, other geometric shapes such as a cylindrical shape may be employed.
[0014]
The treatment tank 2 is provided with a lid 3 detachably at the top, and a through-tube 4 projects from a substantially center of the lid 3 and a detachable upper lid 5 is attached to the upper end thereof. Ribs 6 are appropriately attached to the lid body 3 and the upper lid 5.
[0015]
Reference numeral 8 denotes an inflow pipe, which is connected to the upper end corner of the treatment tank 2 for introducing sewage containing organic solids such as filth discharged from ordinary households, sand mud, etc. as indicated by an arrow. belongs to. In general, the residue is removed here. That is, in FIG. 5, 9 is a sewage sedimentation basin installed before the first sedimentation basin, 10 is a sewage pump well provided at the next stage of the sewage sedimentation basin 9, and these include a sewage inflow gate 11 and an automatic dust remover 12. Further, a sewage outflow gate 13 and a sewage pump 14 are provided, and a sand pump 15 is installed in front of the sewage outflow gate 13 of the sewage settling basin 9, from which organic solids and the like are received. The sewage containing the adhering / mixed sewage is pumped up and introduced into the treatment tank 2 through the inflow pipe 8 through the path indicated by the arrow A.
[0016]
Reference numeral 17 in FIG. 1 denotes an introduction path, which is a path for guiding the sewage mixed with sewage from the inflow pipe 8 downward, and is formed between the vertical guide plate 18 and the inner wall of the treatment tank 2. The guide plate 18 is made of expanded metal, but may be a normal SUS plate without punching, a punching metal, a lattice plate, or the like, while the plate 18 may be omitted. A porous control member 19 is provided at the lower end of the guide plate 18 so as to cross the lower portion of the processing tank 2 so as to leave the introduction path 17 in communication.
[0017]
The porous control member 19 combines the strips in a lattice shape and forms a cutting portion 19a at the lower end so that the resin film piece or fibrous material contained in the sewage is further finely cut when drawn upward. It is. In FIG. 1, the cutting portion 19 a is formed by sharpening the lower end of the band plate facing one direction at an angle of 45 degrees, but the cutting portion 19 a is formed on all the band plates including the band plate orthogonal thereto. It may be formed, or a band plate orthogonal to the paper surface of FIG. 1 may be provided so as to protrude downward from the other ones, and the cut portion 19a may be formed at the protruding portion.
[0018]
The mesh of the porous control member 19 has such a size that a separation promoting piece, which will be described later, does not fall down. Of the introduced sewage mixed with sewage, the sewage is settled in the X zone below the porous control member 19 and temporarily stored. The lower end of the X zone is a washed sand mud discharge port 20. A lower air supply port 21 is provided through the discharge port 20 as shown in FIG. The supply port 21 can be a water injection port, or both air and water can be injected.
[0019]
1 is a control plate, and the control plate 23 is fixed in a partition shape in the vertical direction so as to divide the remaining space of the introduction path 17 in the processing tank 2 into approximately two. The control plate 23 functions as a plate that prevents dirty sand, sand mud, a separation promoting piece, which will be described later, and the like from moving to the right in FIG. 1 and induces and collects only organic solids to the right. Therefore, the upper end is made lower than the water surface of the introduced sewage 24, and the lower end is provided in a partition shape with an interval so that the organic solids can float up. Are formed in a plurality of upper and lower stages to allow passage of organic solids, or the control plate 23 itself is formed of a net, a lattice-like material, punching metal, expanded metal, or the like. Moreover, only the upper half part of the control plate 23 can be made porous, and the lower part can be made of a plate material without holes, or vice versa. The control plate may be a horizontal cross-shaped control member 22 that rises diagonally to the right, such as an imaginary line. On the other hand, the control plate 23 may be omitted.
[0020]
A levitation pipe 26 having a contact levitation path 25 is fixed vertically at a substantially center between the guide plate 18 and the control plate 23. The pipe 26 is cylindrical and has a lower end opening 27, and an upper end opening 28 is formed at the end of a bending portion (bending portion) 29. The curved portion 29 bends at 90 degrees or more and about 105 degrees from the straight upper end portion of the contact levitation path 25, and the opening 28 faces slightly downward and faces the guide plate 18 with a gap. That is, the opening 28 opens in the direction opposite to the direction in which organic solids float and collect as scum. Note that the contact levitation path 25 may be formed of a pair of partition plates facing each other in the processing tank 115 instead of in a pipe shape. The same applies to the other embodiments.
[0021]
An upper air supply pipe 31 is connected to the lower part of the levitation pipe 26, and the pipe 31 is passed through the upper lid 5 and fixed through stays 32 that protrude from the levitation pipe 26. . The upper air supply pipe 31 has an arrow C ₁ As described above, the air from the blower 33 in FIG. 5 is passed and the compressed air is jetted into the pipe from the lower part of the levitation pipe 26. You may make it spout water simultaneously. In addition, as shown in FIG. ₂ As described above, the accumulated sand is guided to the lower air supply port 21, and the accumulated sand is blown up in the levitation pipe 26 in cooperation with the upper jet air. The levitation pipe 26 is fixed by using a pair of right and left angle members suspended from the upper lid 5 as a stay 34 and also using a horizontal bar 35.
[0022]
In FIG. 1, reference numeral 37 denotes a settling path, and the settling path 37 is formed by a vertical passage on the floating pipe 26 side of the guide plate 18. The settling channel 37 blows air through the levitation pipe 26 (arrow C). ₁ A number of separation promoting pieces 38 inserted so as to float by ₂ In this way, the dirt 38 and sand mud settle together with the pieces 38 and are guided toward the lower end of the levitation pipe 26.
[0023]
The levitation pipe 26 is set so that the lower end opening 27 is located above the porous control member 19 with a certain distance H, and the separation promoting pieces 38 that have settled again pass through the porous control member 19 again. It is returned into the levitation pipe 26. Dirty sand or sand mud is indicated by an arrow D together with the separation promoting pieces 38 or via the porous control member 19. ₃ As shown in FIG. At this time, the accumulated dirt is accompanied.
[0024]
1 is an intermediate sewage discharge port, which discharges the sewage 24 that has been introduced and accumulated up to the level of FIG. 1 from the bottom before the next purified water supply, as shown in FIG. It is returned to the sewage pump well 10 as sewage from which sewage and organic solids are separated via the intermediate drain valve 41 through the path indicated by arrow E.
In addition, a scum collection container 42 capable of removing water is provided in the path of the arrow E as a portable type.
[0025]
2 is a water supply pipe, and as shown by an arrow F in FIG. 5, clean water is passed through the pipe 44 by opening the water supply valve 45, and the sewage of FIG. Supplied to level 24. This is done after the introduced sewage has been removed from the intermediate sewage outlet 40.
[0026]
Reference numeral 47 shown in FIGS. 1 and 4 denotes a scum removing device. The apparatus 47 includes a trough 48 fixedly provided on one upper side of the processing tank 2 (opposite to the inflow pipe 8), and a flexible rubber packing 49 attached along the front side of the trough 48. And a weir 50 attached to the packing 49 and capable of moving up and down. The weir 50 is made of SUS and is a hollow type that can be restored by buoyancy. Side seals 55 are provided on both sides of the weir 50 to prevent water from entering from the space between the treatment tank 2 side. An interlocking lever 51 is provided on the weir 50, and the lever 51 is driven up and down by an electric or hydraulic cylinder 52. The cylinder 52 is supported by a bracket 54 having a lateral shake prevention guide 53, and the lever 51 is connected to the lower end of the rod.
[0027]
The weir 50 usually has an upper end above the upper surface level of the sewage, and when pushed down by the cylinder 52, the scum S floating on the water surface is lowered by several centimeters below the same level as indicated by an imaginary line in FIG. The scum S and some water are discharged from the trough 48 through the scum discharge port 56. This is guided by a route indicated by an arrow E in FIG. 5, and the scum S... Is accumulated in the container 42 and the drained water is returned to the sewage pump well 10.
[0028]
FIG. 6 shows a flow sheet of the cleaning processing system. First, the sand pump 15 is stopped after being driven for a certain time (5 minutes). As a result, sewage mixed with sewage is introduced into the treatment tank 2 along the path indicated by the arrow A shown in FIG. 5 and reaches the water surface level shown in FIG. The operation switch of the cleaning processing device operation panel is turned on. After a certain settling time, the dirty sand settles in the X zone and the upper sewage is separated, whereupon the intermediate drain valve 41 is opened and the valve 41 is closed after 1 to 5 minutes. Thereby, the introduced dirty water is removed, and then clean water for purification is introduced into the treatment tank 2 as shown by the arrow F in FIG. The water level is on the order of FIG.
[0029]
The water supply valve 45 is closed after 20 to 40 minutes. The blower 33 is driven before and after and stopped after 5 to 10 minutes. Thereby, the arrow C in FIG. ₁ And C ₂ Compressed air is sent through the path of FIG. 1 and introduced into the levitation pipe 26 and the X zone as shown in FIG. 1, and the sand in the X zone is blown up and the air in the levitation pipe 26 separates the separation promoting pieces. 38 ... and dirty sand is D ₁ It is blown like ₂ As shown in FIG. During this time, the organic solids and the like adhering to the dirty sand are separated from the sand mud by the contact / stirring of the separation promoting pieces 38 and float on the water surface. The falling sand is D ₃ As shown in the figure, the dirt accumulated in the X zone is repeatedly brought into the levitation pipe 26.
[0030]
During these washings, the organic solids rise from other routes and accumulate on the water surface. As shown in FIG. 6, the scum composed of these is swollen by the cylinder 52 that operates 1 to 10 minutes after the blower 33 stops and the weir 50 is lowered from the water surface by pressing down, and the scum discharge port (as shown in FIG. 4). (It may be provided in the middle of the width of the processing tank 2) 56 is removed outside the tank and is collected in the container 42 through the path E in FIG. After the return of the cylinder 52, the intermediate drain valve 41 is opened and the sewage is removed by the E route. After the intermediate drain valve 41 is closed, it is checked whether or not the set count is reached, and the cycle from the opening of the water supply valve 45 is repeated as necessary. If the count is correct, the water supply valve 45 is opened together with the sand discharge valve 58 communicating with the sand mud discharge port 20, and the internal sand mud is collected in the container 59 of FIG. Thereafter, the water supply valve 45 is closed, the sand removal valve 58 is closed after a predetermined time, and the operation is finished. As described above, the number of washings can be arbitrarily set, and continuous and intermittent operation is possible. The cutting part 19a can guide a large floating substance mixed in the dirty sand among the introduced parts by cutting it with a flow velocity, pressure or the like. Note that reference numeral 59 in FIG. 2 denotes inspection means.
[0031]
Another embodiment may be configured as follows.
The present invention is also applicable when it is attached to a septic tank of a toilet. That is, it is attached to organic solids that cannot be completely processed in the sewage treatment tank, and is attached with the structure of the embodiment of FIG. 1 or FIG.
The scum removing device 47 is of a scum skimmer type in which a scum guide opening in the upper part of a round pipe can be rotated back and forth around the axis center of the pipe and driven by driving means such as a cylinder. It may be.
The sand mud discharging means may be of a screw conveyor type.
The separation promoting pieces 38 are loaded with 25 synthetic rubbers having a diameter of 25φ and a specific gravity of around 1.11, but are not limited to these numerical values and materials.
[0032]
The embodiment shown in FIG. 7 and FIG. 8 is an example of a cleaning processing apparatus configured to clean the residue, and introduces and removes the dirty sand, or simultaneously introduces the residue and the dirty sand. It can also be used for cleaning treatment.
[0033]
In FIG. 7, reference numeral 100 denotes a sand basin, and sewage flows into the sand basin 100 by opening the inflow gate on the left side of the figure. While the pump is pumped up by the sand pump 102, the one having a small specific gravity flows through the water channel and is swept up by the dust remover 103 and is fixed at a certain point on the conveyor 104 (in this embodiment, the main processing unit of the cleaning processing apparatus). It is brought into the tank).
[0034]
Up to now, the filth sand (which may contain slag) collected in the filth reservoir 101 has been guided directly into the treatment tank 115 by the sand pump 102 along the path indicated by the arrow G in FIG. Then, the sewage is circulated through the circulating cleaning route indicated by the arrow I in FIG. 7 as many times as necessary, and then switched to the introduction route indicated by the arrow G.
[0035]
That is, on the path indicated by the arrow I, a purification degree visual recognition pipe 105 made of, for example, an acrylic resin pipe can be visually recognized from the outside, and the first valve 106, the first mixing means 107, and the second mixing means 108 are provided. The end pipe opening faces the flow path of the sand settling basin 100 to form a circulation type washing path I.
[0036]
Thus, by closing the second valve 109 and opening the first valve 106, the sand from the sand pump 102 is stirred and washed by the first and second mixing means 107 and 108 along the path indicated by the arrow I. Receive. Each of the mixing means 107 and 108 is a screw type and its cutting edge is profitable, but mixing means other than the screw type may be adopted. In the embodiment, the mixing means is a two-stage mixing unit, but it may be a single stage or three or more stages. The sewage through the mixing means 107 and 108 is guided into the water channel, flows as it is in the direction of the dust remover 103, passes through the dust remover 103, and passes through the dust remover 103 to be initially settled by the sewage pump 111 (not shown). Some of them are guided to the inside, and some of them are collected in the filth reservoir 101 again. What has accumulated in the reservoir 101 is again circulated along the path of arrow I. If a certain cleaning effect is obtained by repeating the operation, the first valve 106 is closed, the second valve 107 is opened, and the pump is pumped up in the path indicated by the arrow G. Confirmation of a certain cleaning effect is made by visually recognizing how dirty sand passes through the purification degree visual recognition pipe 105. On the pump-up path I, there is a third mixing means 112 for performing further washing treatment before the washed dirty sand, that is, the washing sand is introduced into the treatment tank 115, and a third valve 113 on the introduction side. Prepare.
[0037]
Incidentally, reference numeral 114 denotes a bio-input (mixing) means. By providing such a bio-input means 114 in the path I, bio is mixed in at a more upstream stage, and the degradation action and deodorization action by these bio-functions can be exerted in a long path. In addition to being more effective, the action can be imparted over a wide range.
[0038]
The processing tank 115 in FIG. 8 is shown in a solid line in FIG. 7, but is installed in a processing chamber adjacent to the processing chamber in which the dust remover 103 is installed. Reference numeral 116 in FIG. 7 denotes a gantry, and a processing tank 115 is fixedly installed on the gantry 116.
[0039]
The details of the processing tank 115 are shown in FIG. The treatment tank 115 has a straight cylindrical shape at the top and a tapered shape with the bottom narrowed downward. An upper lid 117 is detachably provided in the treatment tank 115, and a cleaning water supply port 120 is provided on the upper lid 117 in addition to the residue introduction port 118 and the sewage sand introduction port 119.
[0040]
As shown in FIG. 7, the residue from the conveyor 104 is introduced into the residue introduction port 118 via the fourth valve 121 along the arrow J path. The cleaning water supply port 120 is introduced through the fifth valve 122 as indicated by an arrow K. Inside one side of processing tank 115 (left side in FIG. 8), partition plate 123 is fixed in the vertical direction to form residue dropping path 124, and the dropping path 124 is a peripheral hole of processing tank 115. The passage communicates with the external discharge cylinder 125 via the. At the upper end of the partition plate 123, a gate 127 that can be moved up and down by a guide 126 is provided, and the residue collected and floated on the water surface 128 is dropped into the dropping path 124 when the gate 127 is lowered. It has become.
[0041]
Further, in order to separate the sewage accompanying the residue from the residue, a drainage control member 130 formed by combining strip strips in a lattice shape is provided inside the falling path 124 in a slope shape. Needless to say, the control material 130 may be a punching metal or a net-like material. A plurality of the control members 130 may be arranged at an interval in the vertical direction.
[0042]
A sewage reservoir 131 is formed below the drainage control member 130, and drainage treatment is performed from the part 131 as indicated by an arrow L. On the other hand, a dewaterable container 132 is installed at the exit of the debris dropping path 124, and the debris is dehydrated as indicated by an arrow M and stored in the container 132. Water from the arrows M and N is returned to the settling basin 100.
[0043]
In the processing tank 115, a space other than the residue dropping path 124 is formed to be large, and a levitation pipe 135 having a contact levitation path 134 formed therein is provided through a stay (not shown) substantially vertically in the center of the space. It is fixedly installed. A lower end of the pipe 135 is opened, and an inflection portion 136 that bends in the direction opposite to the gate 127 at the upper end is formed. The internal sewage causes an upward flow due to the compressed air from the air (or water supply) pipe 137 facing the lower portion of the pipe 135, and a downward flow is generated by the inflection portion 136. At the same time, the separation promoting piece 138...
[0044]
The imaginary line 140 in FIG. 8 is a control plate, which is a plate for preventing the added residue from sinking to the bottom of the tank as much as possible. Reference numeral 141 denotes an intermediate sewage discharge port that discharges sewage through a sixth valve 142 that is controlled to open and close. Reference numeral 143 denotes a sand mud discharge port which is controlled to open and close by a seventh valve 144. A control material 145 having the same configuration as the drainage control material 130 is horizontally installed above the discharge port 143 and provided obliquely at the lower end of the treatment tank 115. This control material 145 does not allow the separation promoting pieces 138...
[0045]
As indicated by phantom lines, a rotating screw 146 that serves both as a floating function imparting function and a mixing function may be provided inside the floating pipe 135. The screw 146 may be configured separately from the air pipe or in combination with the air pipe. In addition, a plurality of holes are made in the surface of the screw 146, and the holes may or may not have a cutting function.
The inflection portion 136 may be formed by bending in the opposite direction, may be formed by bending in any direction orthogonal to the paper surface of FIG. 8, or may be bent in an intermediate direction.
The sand mud (washed sand) after washing from the sand mud discharge port 143 is pumped up by a path P provided with an air supply means 147 like a virtual line and discharged into an upper dewaterable container 148. May be.
[0046]
Although the control of the apparatus in this embodiment is also substantially as described above, an example will be described here. When the dirty sand is washed in advance, the dirty sand is washed to a certain level or more to become washed dirty sand. The second valve 109 in FIG. 7 is opened, and the washed dirt is introduced into the treatment tank 115 through the path indicated by the arrow G shown in FIG. 7, and reaches the water surface level in FIG. At the same time, residue is introduced into the processing tank 115 from the conveyor 104 in FIG. The operation switch of the cleaning processing device operation panel is turned on. After a certain settling time, the dirty sand settles on the control material 145, and the sewage separates on the upper side and the light residue is floated on the water surface, where the sixth valve 142 is opened, After 5 minutes, the valve 142 is closed. Thereby, the introduced sewage is extracted through the intermediate sewage discharge port 141, and then clean water for purification is introduced into the treatment tank 115 as indicated by an arrow K in FIG. 7 by opening the fifth valve 122. . The water surface level is about the level shown in FIG.
[0047]
The fifth valve 122 is closed after 20 to 40 minutes. Before and after, compressed air is ejected from the air pipe 137 and stopped after 5 to 10 minutes. Thereby, the separation promoting pieces 138..., The dirty sand and the like are blown up like N by the air in the levitation pipe 135 and descend through the settling path. During this time, the washed residue rises due to mutual contact / stirring of the dirty sand, residue and separation promoting pieces 38, etc., and washing water, while sand mud also separates and descends. The descending sand mud accumulates in the sand mud discharge port 143 through the eyes of the control material 145.
[0048]
Those that floated and separated will accumulate on the water surface, and these will be removed out of the tank through the residue drop passage 124 when the cylinder that operates 1 to 10 minutes after the blower stops and the gate 127 moves down from the water surface. Is done. The residue is collected in the container 132 by the route M in FIG. After the return of the gate 127, the sewage is removed through the intermediate sewage discharge port 141. After the sixth valve 142 is closed, it is checked whether or not the set count is reached, and the cycle from the opening of the fifth valve 122 is repeated as necessary. If the count is correct, the fifth valve 122 is opened together with the seventh valve 144 communicating with the sand mud discharge port 143, and the internal mud is collected in the container. Thereafter, the fifth valve 122 is closed, and after a predetermined time, the seventh valve 144 is closed and the operation ends. As described above, the number of washings can be arbitrarily set, and continuous and intermittent operation is possible.
In the cleaning processing apparatus shown in FIG. 8, both the residue and the sewage are introduced and cleaned at the same time. You may make it wash-process by. Further, the apparatus for cleaning the residue and the object for cleaning the sand may be provided as separate apparatuses. When separate, both devices can be integrated.
[0049]
FIG. 9 shows another embodiment, in which an inflection 150 at the upper end of the levitation pipe is formed open in two opposite directions. The opening direction may be a direction orthogonal to the drawing sheet. Moreover, you may open | release to 3 directions or 4 directions.
[0050]
FIG. 10 shows another embodiment, in which the residue washing container 152 can be moved up and down in the treatment tank 115 through the lift port 153, and the residue is introduced into the container 152 in advance or later as indicated by the arrow Q. . The residue in the container 152 is washed by the circulating flow. In this embodiment, the residue drop path 124 (FIG. 8) is not configured. The inflection portion 136 of the levitation pipe 135 has a narrowed outlet for applying the separation promoting piece 138... Or sewage to the container 152 at a high speed. The outlet may face the bottom side of the container 152. The container 152 can improve the cleaning effect by vertical vibration or horizontal swing. Vertical vibration may combine fine vibration and large vibration. Air or water may be introduced into the container 152.
[0051]
FIG. 11 shows another embodiment, in which the drainage control material 130 and the control material 145 equipped in the treatment tank 115 are configured to be detachable so that clogging can be removed or replaced with a new control material. With respect to the drainage control member 130, the inspection window 155 opened in the external discharge cylinder 125 can be opened and closed by detaching the inspection lid 156, and the drainage control member 130 is detachable by opening. The drainage control member 130 is attached / detached by a fixing protrusion 157 and an attaching / detaching piece 158. For the control material 145, the lower part of the processing tank 115 has a rectangular cross section, and upper and lower slide receivers 160 are arranged on the inner periphery thereof, and the control material 145 can be inserted and removed through these slide receivers 160, Also in this case, the control member 145 can be freely attached and detached by opening and closing the inspection lid 161.
[0052]
The separation promoting piece 138 has a coating 162 mixed with permanent magnets, and the magnet is set to either N or S in the outer region as shown in an enlarged view of the cross section. It is also possible that the separation promoting action is made more effective when the separation promoting pieces 138. In this case, the core 163 may be made of the synthetic rubber or other material, or may have no core. Further, in this case, the inner wall of the processing tank 115 is also set to have the same polarity as N or S which plays the separation promoting pieces 138.
[0053]
12 is equipped with rolling elements 164 on the control material 145, and the rolling elements 164 are made of metal to actively move on the control material 145 by the repulsion means 165 such as a permanent magnet or an electromagnet outside the processing tank 115. By doing so, cleaning is effectively performed and clogging is prevented. Also in this case, it is more effective if the rolling elements 164 are repelled as shown in FIG. Note that the cleaning action may be a clogging prevention action by the ultrasonic wave generation means 166 and the vibrator 167.
[0054]
FIG. 13 includes a rotating shaft 169 in a vertical axis at the bottom of the processing tank 115, and the clogging removal blades 171 are configured to be rotatable so as to be above and below the control material 145 by the motor 170. The blade 171 may be provided with a hole, or may be configured to generate an upward flow. A sand return cleaning blade 172 for returning sand mud onto the control material 145 may be provided on the outer periphery of the upper and lower middles of the rotating shaft 169. In this case, a hole may be provided.
[0055]
In the same embodiment, in order to promote cleaning of dirty sand, a concave body 174 having a through hole 173 at the center is fixed in the lower part of the treatment tank 115, and rolling elements 175... Are arranged on the concave body 174. However, the rolling elements 175... May be actively driven by the rotating blades 176 around the rotating shaft 169. The concave body 174 may be made of a porous material and pass through sand and mud.
[0056]
FIG. 14 shows an embodiment for reliably feeding the dirty sand accumulated in the X zone from the introduction path 17 of FIG. 1 through the cleaning zone on the control material 19. The treatment tank 2 is provided with a vertical rotation shaft 178, and the motor 179 rotates both the screw 180 in the X zone and the rotary blade 181 on the control material 19. The screw 180 actively lifts the dirty sand so as to pass through the control material 19, and the rotary blade 181 generates an upward flow so that they cooperate to bring the dirty sand into the cleaning zone. The rotary blade 181 prevents the control material 19 from being clogged. In addition, the uneven | corrugated | grooved part 182 ... may be formed in the surrounding wall of the processing tank 2 like a virtual line, and you may make it raise a cleaning effect. This can be similarly applied to the other embodiments.
[0057]
In the example of FIG. 15, a control material 183 is installed in the processing tank 115 in a concave shape that is upwardly concave, and a corrugated plate-like cleaning promoting material 184 for cleaning the dirty sand is disposed above the control material 183. Is supported and driven by an arm 185 that reciprocally swings. The arm 185 is reciprocally driven by driving means 186 such as a cylinder. The cleaning promoting material 184 also prevents the control material 183 from being clogged.
[0058]
In the embodiment of FIG. 16, the unevenness 188 is formed on the inner periphery of the bottom of the processing tank 115, while the unevenness 190 is also formed on the outer periphery of the cleaning accelerator 189 that is rotationally driven in the processing tank 115. 190 rotates relative to each other with a small gap so that the cleaning process is performed.
[0059]
FIG. 17 shows an example of an additional proposal. This example relates to a sewage purification apparatus, 192 is a treatment tank, and the sand mud outlet of the treatment tank 192 is controlled by a net or a perforated plate. The material 193 is fixed, a sand mud discharge port 194 is formed below the control material 193, and sand mud (sand washed) is carried out by the screw conveyor 195. In this case, the screw conveyor 195 is controlled to rotate forward and backward so that the sand mud can be carried out by forward rotation, and the sand mud is further washed in the sand mud discharge port 194 by reverse rotation.
A rubber lining 196 is attached to the blade tip of the screw conveyor 195 so that a cleaning process is performed between the lining 196 and the casing 197. Here, air may be supplied into the cleaning chamber 198 as indicated by an arrow. Further, rolling elements 200... Driven by the rotary blades 199 may be provided on the control material 193 so as to perform the cleaning and clogging preventing functions.
[0060]
FIG. 18 is a circulation return path of sediment and dirt in the sand basin, wherein the return pipe 202 is provided with a crusher 203 or mixing means, and the sediment is returned from the pipe 202 to the sand basin. Those having a small specific gravity such as residue are allowed to flow in the upper layer area as indicated by arrow a, while those having a large specific gravity such as dirty sand are guided into a sedimentation guide tube 204 placed below the pipe 202 and are directed to arrow b. It was designed to guide the pond bottom faster and more reliably. This ensures separation.
[0061]
In FIG. 19, the sedimentation guide cylinder 205 is arranged to be shifted to the downstream side of the return pipe 202, so that dirty sand can be caught more reliably.
[0062]
In the embodiment shown in FIG. 7, the return distance of the circulation path I is about several meters, but it may be returned to the upstream position rather than shown. Conversely, the arrow I in FIG. ₁ As shown in Fig. 4, it can be returned to the upstream side immediately before, or even an imaginary line arrow I ₂ As shown by, it may return to the downstream side.
[0063]
FIG. 21 shows an embodiment in which pre-washing is performed in a cleaning pit 207 formed in the filth reservoir 101 when the material accumulated in the filth reservoir 101 is sucked up and passed through the circulation path and introduced into the treatment tank 115. The form is shown. In this embodiment, part or all of the material sucked up from the sand pump 102 is returned into the pit 207 as indicated by an arrow R through the valve 209, and pre-washing is performed using the return flow. . Reference numeral 208 denotes a partition cylinder that prevents sand or the like being washed out from the reservoir 101.
Moreover, although there exist the case where the pit 207 is provided and the case where the reservoir 101 is already provided, as another embodiment, the pump 102 can be reversely rotated to perform pre-washing. For pre-washing, air or bio can be mixed. Two pumps may be arranged, one for sucking up and the other for prewashing.
[0064]
【The invention's effect】
Since the present invention is a cleaning processing apparatus as described above, the cleaning processing apparatus is configured such that the residue and / or dirt sand is effectively separated into the floating sand and the sedimented mud by the circulation movement of the separation promoting piece. Can be provided.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an apparatus showing an embodiment of the present invention.
2 is a half sectional view showing a right side view of FIG. 1;
FIG. 3 is a plan view of the apparatus.
4 is a cross-sectional view taken along line IV-IV in FIG.
FIG. 5 is a flow sheet showing the relationship between a sand basin and a cleaning processing apparatus.
FIG. 6 is a flow sheet for explaining the operation of the cleaning processing apparatus.
FIG. 7 is a longitudinal side view showing another embodiment.
FIG. 8 is an enlarged cross-sectional view of a cleaning processing apparatus.
FIG. 9 is a longitudinal sectional view showing another embodiment of the levitation pipe.
FIG. 10 is a longitudinal sectional view showing an example of a residue cleaning and collecting apparatus.
FIG. 11 is a longitudinal sectional view showing a control material detaching method.
FIG. 12 is a longitudinal sectional view showing an example of a method for preventing clogging of a control material and cleaning dirty sand.
FIG. 13 is a longitudinal sectional view showing another method for preventing clogging of the control material and cleaning the dirty sand.
FIG. 14 is a longitudinal sectional view showing another method for preventing clogging of a control material and cleaning dirty sand.
FIG. 15 is a longitudinal sectional view showing another method for cleaning dirt and preventing clogging.
FIG. 16 is a vertical cross-sectional view showing another method for cleaning dirty sand.
FIG. 17 is a longitudinal sectional view showing a method for increasing the cleaning effect of sand and mud in the case where a screw conveyor is configured for discharging sand and mud.
FIG. 18 is a longitudinal sectional view showing a method for separating the residue and the dirt from the circulation path for cleaning.
FIG. 19 is a longitudinal sectional view showing another method for separating the residue from the circulation path for cleaning and the dirty sand.
FIG. 20 is a longitudinal sectional view showing a modified example of the circulation path for cleaning.
FIG. 21 is a longitudinal sectional view showing a pre-cleaning method in a waste reservoir.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Cleaning processing apparatus 2,115 ... Processing tank 8 ... Inflow pipe 17 ... Introduction path 19, 130, 145 ... Porous control material 21 ... Lower air supply port 24 ... Sewage 25, 134 ... Contact floating path 26, 135 ... Floating Pipe 31 ... Upper air supply pipe 37 ... Sedimentation passage 38, 138 ... Separation promoting piece 40, 141 ... Intermediate waste water discharge port 44 ... Water supply pipe 47 ... Scum removal device.

Claims (7)

  It is provided with a treatment tank into which residue and / or sewage sand is introduced. In the treatment tank, what is contained in these is separated and floated as a separated float and taken out of the tank, while the separated float is separated and washed. A cleaning treatment apparatus configured to discharge sand and mud to the outside, wherein the treatment tank includes means for introducing sediment and / or dirty sand into the tank, and means for discharging waste water in the tank. And a means for supplying washing water and a means for discharging washed sand and mud, and in the treatment tank, what is introduced into the treatment tank is promoted by a plurality of separation by the rising force of air and / or water The contact levitation path that rises with the piece is formed to extend vertically, and the rising flow in the contact levitation path is again introduced into the lower end of the contact levitation path together with the separation promoting piece in the processing tank. A circulation path is formed with the road Cleaning apparatus sedimentation path to is formed.   2. The cleaning apparatus according to claim 1, wherein the upper end portion of the contact levitation path is a passage that bends in the direction of the settling path and communicates with the settling path.   3. The cleaning apparatus according to claim 2, wherein the means for separating and levitating the separated levitated material is provided on the side opposite to the bending direction of the path where the contact levitation path bends on one side in the treatment tank.   The porous control material which has a hole which controls passage of a separation promotion piece, and permits passage of sand mud is provided in the position which counters the lower end opening of a contact floating path in the lower part of a processing tub. 4. The cleaning apparatus according to any one of 3 to 3.   The cleaning processing apparatus according to claim 4, wherein the porous control material includes cutting means.   As a means to introduce the dirty sand into the tank, there is a fixed circulation washing route, and the sediment such as dirty sand collected at a certain place in the inflow channel is washed and circulated in the washing route. The cleaning processing apparatus according to any one of claims 1 to 5, wherein only the cleaned sand is introduced into the processing tank. The cleaning processing apparatus according to claim 6 , wherein the circulating cleaning path includes mixing means .

Images