CN213895558U - Skid-mounted integrated ditch sludge treatment equipment - Google Patents

Abstract

The utility model provides a sled dress formula integration thorough cut sludge treatment equipment, include: a frame; the screening bed arranged on the frame comprises a plurality of screening screws, and screening gaps are formed between every two adjacent screening screws; a material collecting bin arranged on the frame and positioned below the sieve bed; the sand washing device arranged on the frame comprises a fluidization container and a sand discharge mechanism; the fluidized container is provided with a feed inlet and a discharge outlet and is connected with a flushing system; the sand discharge mechanism comprises a sand discharge channel and a sand discharge assembly arranged in the sand discharge channel, and the sand discharge channel is communicated with the fluidization container; the conveying device comprises a conveying channel and a conveying assembly arranged in the conveying channel; the input end of the conveying channel is communicated with the aggregate bin, and the output end of the conveying channel is communicated with the feed inlet. The utility model discloses a sled dress formula integration thorough fare sludge treatment equipment structure integrates, and is small, conveniently moves the removal.

Description

Skid-mounted integrated ditch sludge treatment equipment

Technical Field

The utility model relates to a ditch sludge treatment technical field especially relates to a sled dress formula integration ditch sludge treatment equipment.

Background

With the increasing importance of sludge treatment in the channels in recent years, some cities have begun to build and operate sludge treatment projects in channels. At present, according to a conventional method, an independent dredging sludge treatment station is generally established by selecting a fixed and proper place, and the dredging sludge cleaned in a certain area is gathered and transported to the dredging sludge station for unified centralized treatment. The mode is a good choice in a city with loose land and good station building land selection.

However, in some cities, site selection of the dredging sludge treatment station is very difficult, planning, land acquisition, environmental evaluation and the like are not easy to meet requirements, so that difficulty is brought to the construction of the dredging sludge treatment station, the construction of a dredging sludge treatment project is not easy to fall to the ground, finally, the dredging sludge cannot be effectively treated in time because no special dredging sludge treatment station is used for receiving the dredging sludge, and the environment is still polluted and damaged.

On the other hand, if a relatively remote place is selected to construct the sludge treatment station, although the difficulty of location selection can be solved, the remote distance causes pollution along the road and increase of transportation cost because the sludge is generally transported by vehicles, which is unreasonable from the aspect of environmental protection and economic aspects.

SUMMERY OF THE UTILITY MODEL

Based on aforementioned prior art defect, the embodiment of the utility model provides a sled dress formula integration ditch sludge treatment equipment, but the above-mentioned problem of solution of preferred.

In order to achieve the above object, the present invention provides the following technical solutions.

The utility model provides a sled dress formula integration ditch sludge treatment equipment, includes:

a frame;

the screening bed is arranged on the frame and comprises a plurality of screening screws which are arranged approximately in parallel, and adjacent screening screws are arranged at intervals to form screening gaps for discharging undersize;

the aggregate bin is arranged on the frame and positioned below the sieve bed and is used for receiving undersize materials discharged from the sieving gap of the sieve bed;

the sand washing device is arranged on the frame and comprises a fluidization container and a sand discharge mechanism; the fluidization container is provided with a feeding hole and a discharging hole and is connected with a flushing system; the sand discharge mechanism comprises a sand discharge channel and a sand discharge assembly arranged in the sand discharge channel, and the input end of the sand discharge channel is communicated with the discharge hole of the fluidization container;

the conveying device comprises a conveying channel and a conveying assembly arranged in the conveying channel; the input end of the conveying channel is communicated with the aggregate bin, and the output end of the conveying channel is communicated with the feed inlet of the fluidized container.

Preferably, the cross-sectional shape of the sieve bed is an arc with a lower middle part and two higher ends along the direction perpendicular to the axis of the sieving screw.

Preferably, the screening screws on either side of the lowest position in the middle of the screen bed rotate in opposite directions.

Preferably, the sieve screw located to the left of the lowest position in the middle of the sieve bed is rotated to the left, and the sieve screw located to the right of the lowest position in the middle of the sieve bed is rotated to the right.

Preferably, the conveyor assembly comprises a conveyor screw.

Preferably, the number of the sand washing devices is two, and the two sand washing devices are positioned on two sides of the conveying channel.

Preferably, the fluidization container is rotatably arranged on the frame and has a working state and a storage state; when the sand discharge channel is in a working state, the sand discharge channel extends to the outer side of the frame, and the output end of the conveying channel is communicated with the feed inlet of the fluidization container; when being in the state of accomodating, the sand discharge passage accomodate to inside the frame, transfer passage's output with fluidization container's feed inlet staggers.

Preferably, the sand discharge assembly comprises a sand discharge screw.

Preferably, the fluidization container is cylindrical and is obliquely arranged on the frame; the conveying channel is obliquely arranged, and the output end of the conveying channel is higher than the input end of the conveying channel.

Preferably, the frame is provided with a feeding device positioned above the sieve bed and used for conveying sludge to be treated to the sieve bed.

The sieve bed, the material collecting bin, the sand washing device and the conveying device which are related to the through-channel sludge treatment are arranged on the frame together, so that the structure integration can be realized, the size is small, and the moving are convenient. So, this equipment can be by nimble transportation to the place of being close to according to actual need, realizes the in situ treatment to the dredging channel mud, has improved the treatment effeciency and the flexibility of dredging channel mud greatly, avoids the road pollution and the cost of transportation that the transport distance transportation dredging channel mud caused.

Drawings

FIG. 1 is a side view of a skid-mounted integrated sludge treatment device for dredging channels according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a right side view of fig. 1.

Detailed Description

As shown in figures 1 to 3, the embodiment of the utility model provides a sled dress formula integration ditch sludge treatment equipment includes: the sand washing machine comprises a frame 1, a sieve bed 2 arranged on the frame 1, a collecting bin 3, a sand washing device 4 and a conveying device 5. The frame 1 may be a regular rectangular frame structure, including a quadrilateral base at the bottom, a plurality of uprights (not shown) disposed on the base, and a top quadrilateral support supported at the top ends of the plurality of uprights. For easy movement, the bottom of the frame 1 may be provided with rollers 101.

Through setting up sieve bed 2, the storehouse of collecting 3, sand washing device 4 and conveyor 5 that the through ditch sludge treatment is related on frame 1 in the lump, can realize that the structure integrates, and is small, conveniently moves the removal. So, this equipment can be by nimble transportation to the place of being close to according to actual need, realizes the in situ treatment to the dredging channel mud, has improved the treatment effeciency and the flexibility of dredging channel mud greatly, avoids the road pollution and the cost of transportation that the transport distance transportation dredging channel mud caused.

The sieve bed 2 comprises a plurality of approximately parallel sieving screws 201, and adjacent sieving screws 201 are arranged at intervals to form sieving gaps for discharging undersize. Said "substantially" may be understood as approaching or that the difference in the included angle between the axial directions of the plurality of sifting screws 201 is within a predetermined range. For example, the included angle between the axial directions of any two sieving screws 201 is 0-10 degrees.

In an alternative embodiment, as shown in fig. 3, the cross-sectional shape of the sieve bed 2 is an arc with a lower middle part and higher ends in a direction perpendicular to the axis of the sieving screw 201. Specifically, the frame 1 is provided with an arc-shaped support (the arc-shaped support can be fixed at the bottom of the feeding bin described below), and the screening screw 201 is arranged on the side surface of the arc-shaped support. The arc-shaped bracket is also provided with a motor (not shown) for driving the sieving screw 201 to rotate. By means of the above-mentioned structural design of the sieve bed 2 with the lower middle part and the higher ends, oversize materials (generally waste fault materials with larger particle sizes) doped in the sludge to be treated and having a size larger than the sieving gap can be discharged only in one direction, namely from the end part (the left end as shown in fig. 1 and 2) of the sieving screw 201, but not from the side surface of the sieve bed 2. Thereby realize one side ejection of compact for the collection is changeed to the oversize thing of discharge, and ejection of compact collection device is simpler and easily arrange.

Further, the rotation directions of the sieving screws 201 located at both sides of the lowest position in the middle of the sieve bed 2 are opposite. That is, the plurality of sieving screws 201 are divided into two parts by taking the lowest position in the middle of the sieve bed 2 as a boundary. As shown in fig. 3, the sieving screw 201 located on the left side of the lowest position in the middle of the sieve bed 2 is rotated to the left, and the sieving screw 201 located on the right side of the lowest position in the middle of the sieve bed 2 is rotated to the right. In short, the sieving screws 201 located at both sides of the lowest position in the middle of the sieve bed 2 rotate back to back. Alternatively, the sieve screws 201 located on both sides of the lowest position in the middle of the sieve bed 2 are rotated toward the corresponding end or high position.

In order to drive the sieving screws 201 on the left and right sides to rotate back to back, the number of motors for driving the sieving screws 201 to rotate is two. The two motors are respectively used for driving the sieving screws 201 on the left side and the right side to rotate back to back. The number of the screening screws 201 on one side is plural since it is bounded by the lowest position in the middle of the screen bed 2. Therefore, in an alternative embodiment, to drive the screening screws 201 on one side to rotate in the same direction, the step-by-step power transmission can be realized by a chain wheel and a chain. Specifically, two chain wheels can be arranged at the end part of the screening screw 201 fixed on the arc-shaped support, a driving chain wheel is arranged on the output shaft of the motor, the driving chain wheel is connected with one chain wheel arranged at the end part of the first screening screw 201 through a chain, the other chain wheel arranged at the end part of the first screening screw 201 is connected with one chain wheel arranged at the end part of the second screening screw 201 through a chain, the other chain wheel arranged at the end part of the second screening screw 201 is connected … with one chain wheel arranged at the end part of the third screening screw 201 through a chain, and so on. Through chain and sprocket cooperation, transmit rotary power to next screening screw 201 by last screening screw 201, realize a plurality of screening screws 201 corotation of motor drive unilateral then.

Of course, the way in which one motor drives the plurality of sieving screws 201 on one side to rotate in the same direction is not limited to the above-described embodiment. In other possible embodiments, the same functions as those described above are all covered by the protection scope of the present embodiment.

By means of the structure design, materials can be conveyed to the high positions at the two ends on the sieve bed 2. During the upward transport, the material tumbles downward again under the action of gravity. So, the material constantly climbs to both sides and falls back in sieve bed 2, and then the material can overturn in sieve bed 2, has increased material dwell time, makes the material screening more thorough.

Further, in order to realize the continuity of the treatment process, the frame 1 is provided with a feeding device 6 positioned above the sieve bed 2, and the feeding device 6 is used for conveying the sludge to be treated to the sieve bed 2. In some alternative embodiments, the feeding device 6 may be a vibratory feeding device. In other alternative embodiments, the feeding device 6 may also be a twin-screw feeding device. Specifically, the feeding device 6 comprises a feeding bin fixed on a quadrilateral bracket at the top of the frame 1, and two feeding screws which are arranged at the bottom of the feeding bin in a substantially parallel manner and rotate back to back. The output capacity of the material can be increased by adopting double-screw feeding, so that the material can be discharged quickly. And the double screws rotate in opposite directions and can be operated in a coordinated manner, so that the materials are twisted and conveyed towards the outer sides of the two feeding screws and finally output, and the problem of material blockage is better avoided. In addition, the discharge port of the double-screw discharging is larger, and the discharge port is not easy to block large materials.

Since the twin screw feed requires counter-rotation, in one embodiment, two sets of power mechanisms may be provided to drive the feed screws separately. Of course, in an alternative embodiment, a single power mechanism may be used to drive both feed screws. A specific realization may be that one gear is provided at each of the first ends of the two feed screws, and the two gears are engaged with each other. An output shaft of the power mechanism (specifically, an output shaft of the motor or an output shaft of the speed reducer) is provided with a driving gear, and the driving gear is meshed with any one of the two gears. Therefore, the power mechanism drives one of the feeding screws through the meshing of the driving gear and the gears, and the feeding screws drive the other feeding screw to rotate through the meshing of the two gears, so that the back rotation of the double feeding screws can be realized.

Further, the feeding bin and the sieve bed 2 may be provided with a spray assembly (not shown) communicated with a water source, the spray assembly being provided with a spray outlet corresponding to the sieve bed 2 and the feeding bin. The spraying assembly is used for spraying liquid to the feeding bin and the sieve bed 2, the sprayed liquid plays a role in diluting the sludge in the channel on one hand, the adhesion of the sludge in the channel is reduced, the material is prevented from being adhered to the side wall of the feeding bin or the sieving screw 201 as much as possible, and the continuous processing of the sludge in the channel is ensured. On the other hand, the garbage sundries mixed in the sludge in the channel can be washed clean, so that the finally separated garbage sundries have better cleanliness.

The specific structure of the sieving screw 201, the feeding screw and the spraying component in the embodiment of the present invention can refer to the description in the known embodiment with the publication number of CN211035637U, and the same or similar contents in the known embodiment as those in the present embodiment are incorporated by reference herein, and are not repeated herein.

The aggregate bin 3 is fixed on the quadrilateral base of the frame 1, is positioned below the sieve bed 2 and is used for receiving undersize materials discharged from the sieving gap of the sieve bed 2. The cross-section of the aggregate bin 3 is V-shaped, so that the undersize materials can be conveniently gathered at the bottom of the aggregate bin 3, and the conveying efficiency of the conveying device 5 for the undersize materials can be further improved.

The conveying device 5 comprises a conveying channel 501 and a conveying assembly (not shown) arranged in the conveying channel 501, wherein the input end of the conveying channel 501 is communicated with the collecting bin 3, and the output end of the conveying channel 501 is used for being communicated with the feeding hole 401a of the fluidization container 401. In an alternative embodiment, the transport assembly comprises a transport screw. The number of the conveying screws may be one or two. The end of the conveying channel 501 facing away from the input end is provided with a motor for driving the conveying screw to rotate. To facilitate the communication with the fluidizing vessel 401 of the sand washing apparatus 4, the conveying passage 501 is disposed obliquely, and an output end of the conveying passage for communicating with the feed port 401a of the fluidizing vessel 401 is higher than an input end of the conveying passage for communicating with the aggregate bin 3. Thus, the undersize collected in the collection bin 3 under the winching of the conveyor assembly enters the conveyor channel 501 from the input end and is discharged into the fluidization container 401 through the output end.

The sand washing device 4 comprises a fluidization container 401 and a sand discharging mechanism 402, wherein the fluidization container 401 is provided with a feeding hole 401a and a discharging hole and is connected with a flushing system 7. The sand discharge mechanism 402 comprises a sand discharge channel and a sand discharge assembly arranged in the sand discharge channel, and the input end of the sand discharge channel is communicated with the discharge hole of the fluidization container 401.

In an alternative embodiment, the fluidizing vessel 401 is cylindrical and is arranged obliquely on the frame 1. The feed port 401a is provided in the side wall of the fluidizing vessel 401 near the upper end, and the discharge port is provided at the lower end of the fluidizing vessel 401. The flushing system 7 is communicated with the inside of the fluidization container 401 through a water inlet formed in the side wall of the fluidization container 401, a water outlet and a sewage outlet are further formed in the side wall of the fluidization container 401, a stirring assembly is arranged inside the fluidization container, and the stirring assembly comprises a rotating rod driven by a motor to rotate and blades arranged on the rotating rod. In order to balance the internal and external pressures of the fluidization vessel 401, the fluidization vessel 401 is further provided with a pressure relief port to discharge excess gas in the fluidization vessel 401.

In operation, undersize material conveyed from the conveying channel 501 enters the fluidizing vessel 401 from the feed port 401a, and under the action of the stirring assembly, fluid material in the fluidizing vessel 401 is in a fluidized state, and fine sand and gravel are collected at the lower end of the fluidizing vessel 401. The flushing system 7 then feeds water from the water inlet to perform fluidized washing of the fine sand and gravel in the fluidized vessel 401. The washed clean fine sand and gravel are discharged to the sand discharge mechanism 402 through the discharge port and are output by the sand discharge mechanism 402. Organic matters washed in the fluidization container 401 can be discharged periodically through a sewage outlet, and washing water can be discharged through a water outlet.

The sand discharge assembly comprises one or two sand discharge screws. In the case where there are two sand discharge screws, the two sand discharge screws are driven to rotate in opposite directions. The end of the conveying channel 501 opposite to the input end is provided with a motor for driving the sand discharge screw to rotate. The delivery channel 501 is inclined and has an output end higher than an input end.

Further, in order to increase the sand washing capacity and improve the sand washing efficiency, the number of the sand washing devices 4 is two, and the two sand washing devices are located on two sides of the conveying channel 501. In this way, the number of the output ends of the conveying channel 501 is two, and the two output ends are respectively arranged at two sides of the conveying channel 501 and are used for being in butt joint communication with the fluidizing containers 401 of the two sand washing devices 4.

Because sand washing device 4 includes the longer sand discharge passage of length, for avoiding the sand discharge passage to interfere or block and influence the normal clear of transportation by the barrier in this equipment transportation, fluidization container 401 rotates and sets up on frame 1, has operating condition and accomodates the state. When in the working state, the sand discharge passage extends to the outside of the frame 1, and the output end of the conveyance passage 501 communicates with the feed port 401a of the fluidizing vessel 401. When in the storage state, the sand discharge passage is stored in the frame 1, and the output end of the conveyance passage 501 is offset from the feed port 401a of the fluidizing container 401.

As shown in fig. 2, the two sand washers 4 are schematically illustrated in such a manner that one sand discharge passage extends to the outside of the frame 1 and the other sand discharge passage is accommodated in the frame 1. It is to be noted, however, that this figure is merely schematic. In practice, the position of the two sand discharge channels is consistent. That is, when the fluidizing vessel 401 is in the operating state, both sand draining channels extend to the outside of the frame 1. When the fluidizing vessel 401 is in the storage state, both sand discharge channels are stored inside the frame 1.

In this embodiment, the fluidization container 401 is rotatably disposed on the frame 1, and a circular bottom plate is disposed on the quadrangular base of the frame 1, and the fluidization container 401 is rotatably disposed on the bottom plate. Since the input end of the transfer passage 501 communicates with the bottom of the fluidizing receptacle 401, the middle of the bottom plate is hollowed out to form an opening in which the input end of the transfer passage 501 is located in order to avoid interference of the input end of the transfer passage 501 with the bottom plate when the fluidizing receptacle 401 is rotated relative to the bottom plate. Thus, the fluidization container 401 is ensured to drive the conveying channel 501 to smoothly rotate.

Borrow by above-mentioned structural design, when equipment was out of work or when needing the transportation, can put down the whole slope of sand washing device 4 to rotate and fix in equipment frame 1, reduce the volume and the area of equipment, conveniently realize the transportation.

The utility model discloses sled dress formula integration thorough fare sludge treatment equipment's working process as follows: the feed device 6 receives the sludge material in the through channel and provides the sludge material for the sieve bed 2, the sieving screw 201 sieves the material, the oversize material is discharged from the end part, the undersize material enters the aggregate bin 3, the undersize material is lifted and discharged into the sand washing device 4 through the conveying device 5 communicated with the aggregate bin 3, and the sand entering the fluidization container 401 is cleaned through fluidization stirring effect and is lifted and dehydrated through the conveying device 5 at the bottom and then discharged. The discharged fine sand can be used as a secondary building material, and the generated sewage can be discharged into a nearby sewage pipe network.

Practice proves, the utility model discloses sled dress formula integration thorough cut sludge treatment equipment has following effect:

1. can flexibly accept and treat dry materials and/or wet materials;

2. the installation is simple, the fixing is not needed, the device can be directly placed on a hardened flat ground, and a foundation is not needed to be independently made;

3. the processing capacity is stable and can reach 15m3/h solid matter;

4. no blockage and no winding phenomenon;

5. the occupied area is small, the civil engineering cost is saved, and the transportation is convenient;

6. can be used for temporary technical improvement project of river sludge treatment.

The above description is only for the embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention without departing from the spirit and scope of the present invention according to the disclosure of the application document.

Claims (10)

1. The utility model provides a sled dress formula integration ditch sludge treatment equipment which characterized in that includes:

a frame;

the screening bed is arranged on the frame and comprises a plurality of screening screws arranged in parallel, and adjacent screening screws are arranged at intervals to form screening gaps for discharging undersize;

the aggregate bin is arranged on the frame and positioned below the sieve bed and is used for receiving undersize materials discharged from the sieving gap of the sieve bed;

the sand washing device is arranged on the frame and comprises a fluidization container and a sand discharge mechanism; the fluidization container is provided with a feeding hole and a discharging hole and is connected with a flushing system; the sand discharge mechanism comprises a sand discharge channel and a sand discharge assembly arranged in the sand discharge channel, and the input end of the sand discharge channel is communicated with the discharge hole of the fluidization container;

the conveying device comprises a conveying channel and a conveying assembly arranged in the conveying channel; the input end of the conveying channel is communicated with the aggregate bin, and the output end of the conveying channel is communicated with the feed inlet of the fluidized container.

2. The skid-mounted integrated channel sludge treatment equipment as claimed in claim 1, wherein the cross-sectional shape of the sieve bed is an arc shape with a lower middle part and higher ends along the direction vertical to the axis of the sieving screw.

3. The skid-mounted integrated sludge treatment facility having a through channel as claimed in claim 2, wherein the rotation directions of the sieving screws located on both sides of the lowest position in the middle of the sieve bed are opposite.

4. The skid-mounted integrated channel sludge treatment facility according to claim 2 or 3, wherein the sieving screw located at the left side of the lowest position in the middle of the sieve bed is rotated to the left, and the sieving screw located at the right side of the lowest position in the middle of the sieve bed is rotated to the right.

5. The skid-mounted integrated trench sludge treatment plant of claim 1 wherein the conveyor assembly comprises a conveyor screw.

6. The skid-mounted integrated channel sludge treatment equipment as claimed in claim 1, wherein the number of the sand washing devices is two, and the two sand washing devices are positioned at two sides of the conveying channel.

7. The skid-mounted integrated sludge treatment installation according to claim 1, wherein the fluidization vessel is rotatably disposed on the frame, having an operating state and a storage state; when the sand discharge channel is in a working state, the sand discharge channel extends to the outer side of the frame, and the output end of the conveying channel is communicated with the feed inlet of the fluidization container; when being in the state of accomodating, the sand discharge passage accomodate to inside the frame, transfer passage's output with fluidization container's feed inlet staggers.

8. The skid-mounted integrated trench sludge treatment apparatus of claim 1 wherein the sand discharge assembly comprises a sand discharge screw.

9. The skid-mounted integrated sludge treatment facility of claim 1, wherein the fluidization vessel is cylindrical and is obliquely disposed on the frame; the conveying channel is obliquely arranged, and the output end of the conveying channel is higher than the input end of the conveying channel.

10. The skid-mounted integrated sludge treatment equipment of claim 1, wherein the frame is provided with a feeding device positioned above the sieve bed for conveying sludge to be treated to the sieve bed.

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