Sludge drying and granulating device

Abstract

The utility model discloses a sludge drying and granulating device which comprises a conveying pipe, a spiral conveying roller is rotatably arranged in the conveying pipe, an extrusion bin is arranged between the top of the conveying pipe and the spiral conveying roller, a plurality of discharging holes are formed in the top of the conveying pipe, a sealing cover is installed at the top of the conveying pipe in a clamped mode, and the discharging holes are communicated with the conveying pipe. A locking mechanism is arranged between the sealing cover and the conveying pipe, a motor is fixedly installed at the bottom end of the conveying pipe, and the output end of the motor is fixedly connected with the spiral conveying roller. According to the utility model, the initial sludge block mass also generates extrusion force on the sludge subsequently entering the extrusion bin, so that the sludge subsequently entering the extrusion bin is agglomerated, and the sludge is continuously granulated through the interaction among the sludge block mass initially extruded by the sealing cover, the subsequently continuously conveyed sludge and the discharge hole; and the device is high in sludge utilization rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field especially relates to a sludge drying granulation device. BACKGROUND

[0002] The sludge drying granulation device is a kind of efficient, environmental protection sludge treatment technology, aims at evaporating the moisture in sludge, so that it reaches stable, odorless, hygienic treatment effect, simultaneously reduces processing cost.This device is widely used in urban sewage treatment, chemical industry, textile and other industries, provides efficient, environmental protection, energy-saving solution for various industries.

[0003] The sludge drying granulation device has good adaptability and flexibility.It can adapt to the drying treatment of any sludge, waste residue, and the moisture content is widely, and the moisture content of the product after drying is also lower.The device is also suitable for static grate incineration, can eliminate heat transfer area ash, reduce fly ash disposal fee.At the same time, the granulation drying particle is very complete, not limited by "burning ratio", more suitable for metal sludge smelting recovery.In addition, the sludge particles are like popcorn, suitable for various incinerators and rapid fertilizer production projects.

[0004] Patent document CN117105508A discloses a sludge drying granulation device, two granulation rollers are rotatably arranged in the device, the two granulation rollers are in contact with each other, and a rotating pressure roller is arranged at the top of each granulation roller.When the sludge is treated, the sludge is first flattened by the two rotating pressure rollers, and then the sludge is granulated by the two granulation rollers to quickly granulate the sludge and improve the sludge granulation efficiency.

[0005] In actual use, the grooves on the two granulation rollers cooperate with each other to extrude and granulate the sludge passing through the granulation rollers, but there is a gap between the grooves of the granulation rollers, and when the sludge passes through the gap, the granulation rollers cannot granulate the sludge, so that the sludge treated by the granulation rollers contains not only the extruded sludge particles but also the ungranulated sludge residues, which makes the dried sludge not completely processed, reduces the processing rate of the sludge, and reduces the granulation efficiency of the sludge. UTILITY MODEL CONTENTS

[0006] The purpose of the present application is to provide a sludge drying granulation device to solve the above-mentioned deficiencies in the prior art.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a sludge drying granulating device, including the conveying pipe, the inside rotation of conveying pipe is provided with spiral conveying roller, the top of conveying pipe with the spiral conveying roller is provided with extrusion bin, the top of conveying pipe is set up with a plurality of discharge holes, the top of conveying pipe is clamped and is installed with the sealing cover, the sealing cover with the conveying pipe between is provided with locking mechanism, the bottom of conveying pipe is fixedly installed with motor, the output of motor with the spiral conveying roller fixed connection.

[0008] As the further description of the above technical scheme: the top of conveying pipe is provided with microwave drying bin.

[0009] As the further description of the above technical scheme: the locking mechanism includes fixed ring, the fixed ring fixed connection is in the bottom of sealing cover, the lateral wall of conveying pipe is fixedly installed with a plurality of connecting blocks, both sides of a plurality of connecting blocks are provided with the clamping block, both lateral walls of a plurality of connecting blocks are set up with the clamping groove, the clamping block with the clamping groove is engaged.

[0010] As the further description of the above technical scheme: the inside fixed ring is fixedly installed with a plurality of limit rods, two clamping blocks are slidably installed at both ends of the limit rod, both ends of the limit rod are sleeved with spring, one end of spring is fixedly connected with the lateral wall of clamping block, the other end of spring is fixedly connected with the inside fixed ring.

[0011] As the further description of the above technical scheme: the fixed ring is slidably installed with two top rods, the bottom of two top rods is fixedly installed with support ring, the support ring is sleeved on the conveying pipe, a plurality of separation blocks are fixedly installed on the support ring, the separation block is slidably matched with the fixed ring, the separation block is arranged between two clamping blocks and penetrates the fixed ring, the bottom of conveying pipe is fixedly installed with cylinder, the output of cylinder is fixedly connected with the support ring.

[0012] As the further description of the above technical scheme: the top end bottom of conveying pipe is provided with collection box, the inside of collection box is provided with slope.

[0013] The utility model provides a kind of sludge drying granulating device.It has the following beneficial effects: the sludge agglomerate of first condensation is pushed by subsequent sludge, so the sludge agglomerate of first condensation also generates extrusion force to subsequent sludge entering the inside of extrusion bin, so that subsequent sludge in the inside of extrusion bin is agglomerated, through the interaction between the sludge agglomerate extruded by sealing cover initially, subsequent continuously conveyed sludge and discharge hole, to continuously carry out sludge granulation, and the utilization rate of sludge of the device is high.

[0014] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to be restrictive of the disclosure.

[0015] This document provides an overview of various implementations or examples of the technology described in this disclosure and is not intended to be an all-inclusive or exhaustive disclosure of the technology. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure schematic diagram of the sludge drying and granulating device is provided for the utility model;

[0017] Figure 2 The three-dimensional explosion structure schematic diagram of the utility model is provided for the utility model;

[0018] Figure 3 The main view structure schematic diagram of the three-dimensional explosion of the utility model is provided for the utility model;

[0019] Figure 4 The three-dimensional structure schematic diagram of the conveying pipe of the utility model is provided for the utility model;

[0020] Figure 5 The three-dimensional structure schematic diagram of the sealing cover fixing ring and the supporting ring of the utility model is provided for the utility model;

[0021] Figure 6 The utility model is provided for the utility model Figure 5 The enlarged structure schematic diagram of A in the utility model is provided for the utility model.

[0022] LEGEND:

[0023] 1, conveying pipe; 2, spiral conveying roller; 3, extrusion bin; 4, discharge hole; 5, sealing cover; 6, connecting block; 7, fixing ring; 8, clamping block; 9, clamping groove; 10, limiting rod; 11, spring; 12, supporting ring; 13, separating block; 14, ejector rod; 15, air cylinder; 16, microwave drying bin; 17, motor; 18, collection box; 19, slope. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Referring to Figures 1-5The utility model provides a kind of sludge drying granulating device, including conveying pipe 1, the inside rotation of the conveying pipe 1 is provided with spiral conveying roller 2, extrusion bin 3 is arranged between the top of the conveying pipe 1 and the spiral conveying roller 2, the top of the conveying pipe 1 is equipped with multiple discharge holes 4, the top of the conveying pipe 1 is clamped with sealing cover 5, locking mechanism is arranged between the sealing cover 5 and the conveying pipe 1, the bottom end of the conveying pipe 1 is fixedly installed motor 17, and the output end of the motor 17 is fixedly connected with the spiral conveying roller 2;In the process of using the device, the sludge after drying is conveyed to the inside of extrusion bin 3 in the top of conveying pipe 1 by spiral conveying roller 2, because the sealing cover 5 in the top of conveying pipe 1 blocks discharge hole 4, so the sludge continuously conveyed to the inside of extrusion bin 3 is extruded and continuously condensed, when the sludge in the inside of extrusion bin 3 is condensed to a certain degree, the locking of sealing cover 5 is released by locking mechanism, so that the discharge hole 4 of conveying pipe 1 is opened, the sludge continuously conveyed by spiral conveying roller 2 extrudes and pushes the sludge in the inside of extrusion bin 3, so that the condensed sludge is extruded from discharge hole 4, and the sludge passing through discharge hole 4 is continuously discharged to the outside of conveying pipe 1 in strip shape, because the sludge is dried, so after a short distance from discharge hole 4, the sludge in strip shape breaks under the action of gravity, to form a particle by particle sludge, and because the initial sludge agglomerate is pushed by subsequent sludge, so the initial sludge agglomerate also generates extrusion force to the sludge entering the inside of extrusion bin 3 subsequently, so that the sludge in the inside of extrusion bin 3 subsequently is agglomerated, the sludge is continuously granulated by the interaction between the sludge agglomerate extruded by sealing cover 5, subsequent continuously conveyed sludge and discharge hole 4, and the utilization rate of the device to sludge is high.

[0026] As a preferred technical scheme of the embodiment, the top of the conveying pipe 1 is provided with a microwave drying bin 16;The sludge is dried by the microwave drying bin 16 on the top, which reduces the water content of the sludge and facilitates subsequent sludge agglomeration.

[0027] As a preferred technical scheme of the embodiment, the locking mechanism includes a fixed ring 7, which is fixedly connected to the bottom of the sealing cover 5, a plurality of connecting blocks 6 are fixedly installed on the side wall of the conveying pipe 1, a plurality of clamping blocks 8 are arranged on both sides of the connecting blocks 6, a plurality of clamping grooves 9 are formed on both side walls of the connecting blocks 6, and the clamping blocks 8 are clamped with the clamping grooves 9;In the initial stage of operation of the device, the sealing cover 5 is fixed on the top of the conveying pipe 1 by the fixed block and the clamping block 8, so as to seal the conveying pipe 1, by separating the clamping block 8 and the clamping groove 9, the sealing cover 5 can be removed.

[0028] As the preferred technical scheme of the embodiment, the plurality of limiting rods 10 are fixedly arranged inside the fixed ring 7, the two clamping blocks 8 are slidingly arranged at the two ends of the limiting rods 10, the spring 11 is sleeved at the two ends of the limiting rods 10, one end of the spring 11 is fixedly connected with the side wall of the clamping block 8, and the other end of the spring 11 is fixedly connected with the inside of the fixed ring 7; the clamping block 8 is supported by the two springs 11, so that the clamping block 8 is always clamped with the clamping groove 9 to fix the sealing cover 5.

[0029] As the preferred technical scheme of the embodiment, the two top rods 14 are slidingly arranged on the fixed ring 7, the support ring 12 is fixedly arranged at the bottom ends of the two top rods 14, the support ring 12 is sleeved on the conveying pipe 1, the plurality of separation blocks 13 are fixedly arranged on the support ring 12, the separation blocks 13 slidingly cooperate with the fixed ring 7, the separation blocks 13 are arranged between the two clamping blocks 8 and penetrate the fixed ring 7, the bottom of the conveying pipe 1 is fixedly arranged with the air cylinder 15, and the output end of the air cylinder 15 is fixedly connected with the support ring 12; when the sealing of the conveying pipe 1 by the sealing cover 5 is released, the support ring 12 is continuously moved to the fixed block by the output end of the air cylinder 15, in this process, the separation blocks 13 enter between the two clamping blocks 8 to separate the two clamping blocks 8, the clamping block 8 is separated from the clamping groove 9, the top rod 14 contacts the sealing cover 5, the output end of the air cylinder 15 drives the support ring 12, the fixed ring 7 and the sealing cover 5 to move, so that the sealing cover 5 is away from the top of the conveying pipe 1, and the top rod 14 is used for assisting the movement of the support ring 12 in addition to supporting the sealing cover 5.

[0030] As the preferred technical scheme of the embodiment, the collecting box 18 is arranged at the bottom of the top end of the conveying pipe 1, and the slope 19 is arranged in the collecting box 18; the sludge particles discharged from the discharge port are collected by the collecting box 18, and the sludge particles can slide to the bottom of the end of the collecting box 18 away from the conveying pipe 1 through the slope 19, so that the sludge particles are conveniently collected.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A sludge drying and granulating apparatus comprising a conveying pipe (1), characterized in that: The inside of the conveying pipe (1) is provided with a spiral conveying roller (2), an extrusion bin (3) is arranged between the top of the conveying pipe (1) and the spiral conveying roller (2), a plurality of discharge holes (4) are opened in the top of the conveying pipe (1), a sealing cover (5) is clamped and installed on the top of the conveying pipe (1), a locking mechanism is arranged between the sealing cover (5) and the conveying pipe (1), a motor (17) is fixedly installed at the bottom end of the conveying pipe (1), and the output end of the motor (17) is fixedly connected with the spiral conveying roller (2).

2. A sludge dewatering and granulating apparatus according to claim 1, wherein The top of the conveying pipe (1) is provided with a microwave drying bin (16).

3. A sludge dewatering and granulating apparatus according to claim 2, wherein The locking mechanism comprises a fixed ring (7) fixedly connected to the bottom of the sealing cover (5), a plurality of connecting blocks (6) fixedly installed on the side wall of the conveying pipe (1), a clamping block (8) arranged on both sides of the connecting block (6), a clamping groove (9) opened in the side wall of the connecting block (6), and the clamping block (8) and the clamping groove (9) are clamped.

4. A sludge dewatering and granulating apparatus according to claim 3, wherein A plurality of limiting rods (10) are fixedly installed in the fixed ring (7), two clamping blocks (8) are slidingly installed at both ends of the limiting rod (10), springs (11) are sleeved on both ends of the limiting rod (10), one end of the spring (11) is fixedly connected with the side wall of the clamping block (8), and the other end of the spring (11) is fixedly connected with the inside of the fixed ring (7).

5. A sludge dewatering and granulating apparatus according to claim 4, wherein Two top rods (14) are slidingly installed on the fixed ring (7), two bottom ends of the top rods (14) are fixedly installed with a supporting ring (12), the supporting ring (12) is sleeved on the conveying pipe (1), a plurality of separation blocks (13) are fixedly installed on the supporting ring (12), the separation blocks (13) are slidingly matched with the fixed ring (7), the separation blocks (13) are arranged between the two clamping blocks (8) and penetrate the fixed ring (7), a gas cylinder (15) is fixedly installed at the bottom of the conveying pipe (1), and the output end of the gas cylinder (15) is fixedly connected with the supporting ring (12).

6. A sludge dewatering and granulating apparatus according to claim 4, wherein A collecting box (18) is arranged at the bottom of the top end of the conveying pipe (1), and an inclined slope (19) is arranged in the collecting box (18).

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