CN220376542U

CN220376542U - System for treating urban sludge by utilizing earthworms

Info

Publication number: CN220376542U
Application number: CN202321999516.2U
Authority: CN
Inventors: 戚世军; 李来军; 李春江
Original assignee: Henan Qingda Funong Biotechnology Co ltd
Current assignee: Henan Qingda Funong Biotechnology Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-23
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a three-dimensional system for treating municipal sludge by using earthworms, which comprises a feeding device, a conveying device and a receiving device, wherein the feeding device comprises a lifting platform, a telescopic belt is fixed on the lifting platform, a discharging groove is fixed above the telescopic belt, one end of a feeding pipeline is connected with the discharging groove, the other end of the feeding pipeline is connected with a feeding pump through a feeding hose, the conveying device comprises a frame, at least two layers of conveying net conveying devices are arranged in the frame from bottom to top at intervals, the receiving device comprises a receiving box body, a receiving hopper is arranged at the front end surface of the receiving box body from top to bottom at intervals, a blanking opening is arranged at the bottom of the receiving box body, and a collecting belt is arranged below the blanking opening. The technical scheme provides a set of three-dimensional system for the biological mode of treating the municipal sludge by earthworms, and the system can realize three functions of feeding, sludge treatment, conveying and receiving, has high automation degree and is beneficial to treating the municipal sludge in a large scale.

Description

System for treating urban sludge by utilizing earthworms

Technical Field

The utility model belongs to the technical field of municipal sludge treatment equipment, and particularly relates to a three-dimensional system for treating municipal sludge by using earthworms.

Background

With the continuous development of society modernization, the output of municipal sludge is also increased sharply. The existing method for treating the urban sludge mostly adopts methods such as incineration, landfill and the like, but as harmful substances contained in the sludge influence the soil quality, the environmental deterioration is aggravated, and the cost is higher.

In recent years, this biological mode of treating municipal sludge with earthworms has been increasingly accepted by society. The treatment mode does not produce secondary pollution, and has obvious economic benefit, namely, after the sludge is converted into wormcast, the wormcast can be used as a base material for producing organic fertilizer and used for forest product production or fertilizer for gardens. However, the prior art lacks a large-scale, three-dimensional and automatic equipment system capable of supporting the earthworm treatment of municipal sludge.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to provide a three-dimensional, large-scale and automatic system capable of supporting earthworms to treat municipal sludge.

The task of the utility model is accomplished in the following way: the system for treating the urban sludge by utilizing the earthworms is characterized by comprising a conveying device, wherein a feeding device and a receiving device are respectively arranged at the upstream end and the downstream end of the conveying device; the feeding device comprises a lifting platform, a telescopic belt is fixed on the lifting platform, a discharging groove is fixed above the telescopic belt, one end of a feeding pipeline is connected with the discharging groove, and the other end of the feeding pipeline is connected with a feeding pump through a feeding hose; the conveying device comprises a frame, at least two layers of conveying net conveying devices are arranged in the frame at intervals from bottom to top, each layer of conveying net conveying device comprises a driving shaft arranged at the downstream end of the frame and a driven shaft arranged at the upstream end of the frame, one end of the driving shaft is connected with a speed reducing motor, three groups of chain wheels are correspondingly arranged at two sides and the middle position of the driving shaft and the driven shaft and are in transmission connection through chains, and two conveying nets are arranged between the three chains; the material receiving device comprises a material receiving box body, material receiving hoppers are arranged on the front end face of the material receiving box body from top to bottom at intervals, a blanking port is arranged at the bottom of the material receiving box body, and a collecting belt is arranged below the blanking port.

Further, a motor bracket is independently arranged at the outer side of the downstream end of the frame, and a gear motor on each layer of conveying net conveying device is fixed in the motor bracket.

Further, the driven shaft is mounted at the upstream end of the frame through a driven tensioning device, the driven tensioning device comprises a tensioning bearing base, the tensioning bearing base is fixed on a long hole of a transverse support of the frame through a bolt, a horizontal tensioning screw rod is fixed at the upstream end of the tensioning bearing base, and the tensioning screw rod penetrates through a longitudinal support in the frame and is fastened in a rotating mode through a nut.

Further, the conveying net comprises an outermost stainless steel net, the net belt is fixed on the inner side of the stainless steel net, conveying net supporting supports are arranged on the inner side of the net belt at equal intervals, and two ends of each conveying net supporting support are fixed on two adjacent chains through connecting plates.

Further, a chain supporting rail is arranged right below the ascending section part and the descending section part of each chain, the chain supporting rail is fixed in the frame by a chain supporting support, and the upstream end and the downstream end of the chain supporting rail are downwards bent into an arc shape.

Further, a baffle device is respectively arranged on two sides above each layer of conveying net conveying device, the baffle device comprises a baffle, a rubber strip is fixed on the lower portion of the baffle, the rubber strip is in contact with the conveying net, horizontal adjusting screw rods are arranged at intervals on the upper portion of the baffle, and each adjusting screw rod penetrates through a longitudinal support in the frame and is fastened by a nut in a rotating mode.

Further, 11 layers of conveying net conveying devices are arranged in the frame at intervals from bottom to top.

Further, 10 receiving hoppers are arranged on the front end face of the receiving box body from top to bottom at intervals, the 10 receiving hoppers respectively correspond to the downstream ends of the conveying net conveying devices except the bottommost layer, the receiving box body is divided into an upper receiving box, a middle receiving box and a lower receiving box by two partition plates, the upper receiving box and the middle receiving box are opened at the partition plates and extend to the position close to the collecting belt from the passage, and the upstream ends of the collecting belt are connected to the downstream ends of the conveying net conveying devices at the bottommost layer.

The utility model has the following effects: the technical scheme provides a set of three-dimensional system for the biological mode of treating the municipal sludge by earthworms, and the system can realize three functions of feeding (municipal sludge), sludge treatment and conveying and receiving (wormcast and earthworms), has high automation degree and is beneficial to treating the municipal sludge in a large scale. Because the system adopts a three-dimensional structure, the occupied area is small, and the conveying net of the system adopts the structures such as a stainless steel net, a net belt and the like, thereby being beneficial to the ventilation of equipment and ensuring the living environment of earthworms.

Drawings

FIG. 1 is a front view of the present utility model; FIG. 2 is a right side view of the delivery device; FIG. 3 is a top view of the conveyor; FIG. 4 is a right side view at A in FIG. 1; fig. 5 is a side view of the receiving device.

Description of the drawings: 1. a feeding device; 1-1, a feeding pump; 1-2, a feeding hose; 1-3, a feeding pipeline; 1-4, blanking groove; 1-5, telescoping a belt; 1-6, lifting a platform;

2. a conveying device; 2-1, a frame; 2-2, driving a shaft; 2-3, a driven shaft; 2-4, a driven tensioning device; 2-4-1, tensioning a screw rod; 2-4-2, tensioning a bearing base; 2-5, reducing the speed of the motor; 2-6, a motor bracket; 2-7, chain supporting; 2-7-1, a chain supporting rail; 2-8, a baffle device; 2-8-1, adjusting a screw rod; 2-8-2, baffle plates; 2-8-3, rubber strips; 2-9, conveying the net; 2-9-1, connecting plates; 2-9-2, conveying net support; 2-9-3, a mesh belt; 2-9-4 stainless steel mesh;

3. a receiving device; 3-1, receiving a material box; 3-2, receiving a hopper; 3-3, a blanking port; 3-4, collecting a belt; 3-5 separator.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1-5, a three-dimensional system for treating municipal sludge by earthworms comprises a feeding device 1, a conveying device 2 and a receiving device 3. Wherein the feeding device 1 is arranged at the upstream of the conveying device 2, and the receiving device 3 is fixed at the downstream end of the conveying device 2.

The feeding device 1 mainly comprises a feeding pump 1-1, a feeding hose 1-2, a feeding pipeline 1-3, a discharging groove 1-4, a telescopic belt 1-5 and a lifting platform 1-6, wherein the lifting platform 1-6 can adopt a hydraulic lifting platform, the telescopic belt 1-5 is fixed on the lifting platform 1-6, the discharging groove 1-4 is fixed above the telescopic belt 1-5, one end of the feeding pipeline 1-3 is connected with the discharging groove 1-4, the other end is connected with the feeding pump 1-1 through the feeding hose 1-2, the feeding pump 1-1 is preferably a concrete feeding pump, and the feeding hose 1-2 is reserved with a length meeting the lifting requirements of the lifting platform 1-6 and an upper device thereof.

The conveying device 2 comprises a frame 2-1, at least two layers of conveying net conveying devices are arranged in the frame 2-1 at intervals from bottom to top, the conveying net conveying devices of 11 layers are preferable, and the intervals among the conveying net conveying devices of each layer are at least kept above 200 mm. Each layer of conveying net conveying device comprises a driving shaft 2-2 arranged at the downstream end of a frame 2-1 and a driven shaft 2-3 arranged at the upstream end of the frame 2-1, wherein one end of the driving shaft 2-2 is connected with a gear motor 2-5, the connecting mode can adopt a coupling direct connection mode or a chain wheel and chain transmission mode, three groups of chain wheels are correspondingly arranged on two sides and the middle position of the driving shaft 2-2 and the driven shaft 2-3 and are in transmission connection through chains, and two conveying nets 2-9 are arranged between the three chains. Three groups of chain wheel and chain transmission mechanisms are adopted to drive the two conveying nets 2-9, so as to increase the bearing capacity and improve the sludge treatment capacity on the conveying devices of all layers of conveying nets. Diagonal braces can be additionally arranged between the longitudinal braces on the two side faces of the frame 2-1 so as to improve the overall stability of the frame 2-1.

A motor bracket 2-6 is separately arranged at the outer side of the downstream end of the frame 2-1, and a gear motor 2-5 on each layer of conveying net conveying device is sequentially fixed in the motor bracket 2-6.

The driven shaft 2-3 in each layer of conveying net conveying device is arranged at the upstream end of the frame 2-1 through the driven tensioning device 2-4, the driven tensioning device 2-4 comprises a tensioning bearing base 2-4-2, the bottom of the tensioning bearing base 2-4-2 is fixed on a long hole of a transverse strut of the frame 2-1 through bolts, a horizontal tensioning screw rod 2-4-1 is fixed at the upstream end of the tensioning bearing base 2-4-2, and the tensioning screw rod 2-4-1 penetrates through a longitudinal strut in the frame 2-1 and is fastened through nuts in a rotating mode. The worker can firstly loosen the bolt on the long hole and then rotate the nut to adjust the length of the tensioning screw rod 2-4-1 extending into the frame 2-1, namely the tensioning bearing base 2-4-2 drives the driven shaft 2-3 on the tensioning screw rod to adjust the position together until the position is adjusted to a proper position, and then fasten the loosened bolt on the long hole again.

The conveying net 2-9 comprises an outermost stainless steel net 2-9-4, the net belt 2-9-3 is fixed on the inner side of the stainless steel net 2-9-4, conveying net supporting supports 2-9-2 are arranged on the inner side of the net belt 2-9-3 at equal intervals, and two ends of each conveying net supporting support 2-9-2 are fixed on two adjacent chains through connecting plates 2-9-1. The stainless steel net 2-9-4 plays a role in ventilation, the net belt 2-9-3 plays a role in supporting the stainless steel net 2-9-4, the conveying net support 2-9-2 arranged at equal intervals supports and fixes the net belt 2-9-3, and the conveying net support 2-9-2 is fixed on the chains, so that the two conveying nets 2-9 can be driven along with the transmission of 3 chains.

The chain support rail 2-7-1 is arranged right below the ascending section part and the descending section part of each chain, the chain support rail 2-7-1 is fixed in the frame 2-1 by the chain support 2-7, and the upstream end and the downstream end of the chain support rail 2-7-1 are downwards bent into an arc shape. The two ends of the chain supporting rail 2-7-1 are arc-shaped to ensure that the chain slides on the chain supporting rail more smoothly.

Two sides above each layer of conveying net conveying device are respectively provided with a baffle device 2-8, each baffle device 2-8 comprises a baffle 2-8-2, a rubber strip 2-8-3 is fixed at the lower part of each baffle 2-8-2, the rubber strips 2-8-3 are contacted with the upper surface of the conveying net 2-9, horizontal adjusting screw rods 2-8-1 are arranged at intervals at the upper part of each baffle 2-8-2, and each adjusting screw rod 2-8-1 penetrates through a longitudinal support in the frame 2-1 and is fastened by a nut in a rotating way. The worker can easily adjust the position of the baffle device 2-8 by only rotating the nut to adjust the extending amount of the adjusting screw rod 2-8-1. The baffle device 2-8 can reduce the material dropping phenomenon at the two sides of the conveying net 2-9.

The material receiving device 3 mainly comprises a material receiving box body 3-1, a material receiving hopper 3-2, a blanking port 3-3 and a collecting belt 3-4,

the material receiving device 3 comprises a material receiving box body 3-1, a material receiving hopper 3-2 is arranged on the front end surface of the material receiving box body 3-1 at intervals from top to bottom, a blanking port 3-3 is arranged at the bottom of the material receiving box body 3-1, and a collecting belt 3-4 is arranged below the blanking port 3-3. In this embodiment, 10 receiving hoppers 3-2 are disposed on the front end face of the receiving box 3-1 from top to bottom at intervals, and the 10 receiving hoppers 3-2 respectively correspond to the downstream ends of the conveyor net conveyors except the bottommost layer so as to receive wormcast or earthworms from the corresponding conveyor net conveyors. The material receiving box body 3-1 is divided into an upper material receiving box, a middle material receiving box and a lower material receiving box by two partition boards 3-5, the upper material receiving box and the middle material receiving box are opened at the partition boards and extend to a position close to the collecting belt 3-4 from a passage, and the upstream end of the collecting belt 3-4 is connected with the downstream end of the bottom layer conveying net conveying device. Because 11 layers of conveying net conveying devices are adopted in the embodiment, the height is high, the material output is large, the whole material receiving box body 3-1 is divided into upper, middle and lower layers to play a role in diversion buffering, and finally materials can fall onto the collecting belt 3-4 for collecting operation by staff.

When the system works, the municipal sludge to be treated is pumped into the discharging groove 1-4 along the feeding hose 1-2 and the feeding pipeline 1-3 through the feeding pump 1-1, and is extruded onto the telescopic belt 1-5 in the running state under the action of pressure. The number of layers is required to be fed, and the lifting platform 1-6 is only required to be started, so that the telescopic belt 1-5 is lifted to a corresponding height, and then the telescopic belt 1-5 is stretched to a position of the upstream end of the layer, so that feeding operation is performed. After the layer of conveying net 2-9 is fully paved with sludge, stopping feeding, introducing earthworms to carry out sludge treatment operation, and keeping ventilation in the whole process. After a certain period, the earthworms can digest the sludge and produce wormcast, the layer of conveying net conveying device is started, the wormcast and the earthworms are forced to fall into the receiving device 3 and finally fall onto the collecting belt 3-4, and workers can collect, screen and carry out subsequent operations such as manufacturing organic fertilizer.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, or may be a communication between two elements. The above terms are understood to be in the specific meaning of the present utility model according to circumstances, for those of ordinary skill in the art.

Claims

1. The system for treating the urban sludge by utilizing the earthworms is characterized by comprising a conveying device (2), wherein a feeding device (1) and a receiving device (3) are respectively arranged at the upstream end and the downstream end of the conveying device (2);

the feeding device (1) comprises a lifting platform (1-6), a telescopic belt (1-5) is fixed on the lifting platform (1-6), a discharging groove (1-4) is fixed above the telescopic belt (1-5), one end of a feeding pipeline (1-3) is connected with the discharging groove (1-4), and the other end of the feeding pipeline is connected with a feeding pump (1-1) through a feeding hose (1-2);

the conveying device (2) comprises a frame (2-1), at least two layers of conveying net conveying devices are arranged in the frame (2-1) at intervals from bottom to top, each layer of conveying net conveying device comprises a driving shaft (2-2) arranged at the downstream end of the frame (2-1) and a driven shaft (2-3) arranged at the upstream end of the frame (2-1), one end of the driving shaft (2-2) is connected with a gear motor (2-5), three groups of chain wheels are correspondingly arranged at two sides and the middle position on the driving shaft (2-2) and the driven shaft (2-3) and are in transmission connection through chains, and two conveying nets (2-9) are arranged between the three chains;

the material receiving device (3) comprises a material receiving box body (3-1), material receiving hoppers (3-2) are arranged on the front end face of the material receiving box body (3-1) from top to bottom at intervals, a blanking port (3-3) is arranged at the bottom of the material receiving box body (3-1), and a collecting belt (3-4) is arranged below the blanking port (3-3).

2. The system for treating urban sludge by using earthworms according to claim 1, characterized in that a motor bracket (2-6) is arranged on the outer side of the downstream end of the frame (2-1) separately, and a gear motor (2-5) on each layer of conveying net conveying device is fixed in the motor bracket (2-6).

3. A stereoscopic system for treating municipal sludge with earthworms according to claim 1, wherein the driven shaft (2-3) is mounted at the upstream end of the frame (2-1) by a driven tensioner (2-4), the driven tensioner (2-4) comprising a tensioning bearing base (2-4-2), the tensioning bearing base (2-4-2) being bolted to the elongated holes of the cross-braces of the frame (2-1) and a horizontal tensioning screw (2-4-1) being secured at the upstream end of the tensioning bearing base (2-4-2), the tensioning screw (2-4-1) extending through the longitudinal braces in the frame (2-1) and being rotationally secured by nuts.

4. The stereoscopic system for treating municipal sludge by using earthworms according to claim 1, wherein the conveying net (2-9) comprises an outermost stainless steel net (2-9-4), the net belt (2-9-3) is fixed on the inner side of the stainless steel net (2-9-4), conveying net brackets (2-9-2) are arranged on the inner side of the net belt (2-9-3) at equal intervals, and two ends of each conveying net bracket (2-9-2) are fixed on two adjacent chains through connecting plates (2-9-1).

5. The stereoscopic system for treating municipal sludge by using earthworms according to claim 1, wherein a chain supporting rail (2-7-1) is arranged right below the ascending section and the descending section of each chain, the chain supporting rail (2-7-1) is fixed in the frame (2-1) by the chain supporting support (2-7), and the upstream and downstream ends of the chain supporting rail (2-7-1) are bent downward into an arc shape.

6. The system for treating urban sludge by using earthworms according to claim 1, characterized in that a baffle device (2-8) is arranged on each side above each layer of conveying net conveying device, each baffle device (2-8) comprises a baffle (2-8-2), a rubber strip (2-8-3) is fixed on the lower part of each baffle (2-8-2), the rubber strips (2-8-3) are contacted with the conveying net (2-9), horizontal adjusting screw rods (2-8-1) are arranged at intervals on the upper part of each baffle (2-8-2), and each adjusting screw rod (2-8-1) penetrates through a longitudinal support in the frame (2-1) and is rotationally fastened by nuts.

7. A stereoscopic system for treating municipal sludge according to claim 1, wherein 11 layers of conveyor net conveyor devices are arranged in the frame (2-1) at intervals from bottom to top.

8. The system for treating municipal sludge according to claim 7, wherein the front end surface of the receiving box body (3-1) is provided with 10 receiving hoppers (3-2) from top to bottom at intervals, the 10 receiving hoppers (3-2) respectively correspond to the downstream ends of the conveyor network conveyor devices except the bottommost layer, the receiving box body (3-1) is divided into an upper receiving box, a middle receiving box and a lower receiving box by two partition boards (3-5), the upper receiving box and the middle receiving box are opened at the partition boards and extend from the channels to the position close to the collecting belt (3-4), and the upstream ends of the collecting belt (3-4) are connected with the downstream ends of the conveyor network conveyor devices at the bottommost layer.