Sludge dewatering and drying device based on sludge pyrohydrolysis coupling phosphorus recovery

Abstract

The utility model discloses a sludge dewatering and drying device based on sludge pyrohydrolysis coupling phosphorus recovery, which comprises a support frame, a charging barrel is arranged at the upper part of the support frame, a connecting barrel is arranged on the side surface of the charging barrel, and the connecting barrel is fixedly connected with the charging barrel; a bearing is arranged in the connecting cylinder, and the side face of the bearing is connected with a free feeding opening. Sludge is conveyed into the conveyor through the feeding port, the sludge is discharged into the charging barrel through the discharging port through rotation of the conveyor, the conveyor is driven by the driver to rotate continuously, the spiral blade drives solid sludge to gradually move to the extrusion area, and the sludge can be effectively extruded through the gradual shrinking structure of the extrusion area; meanwhile, the extruded sludge enters the transition area and is fixed towards the discharge port, the extruded water flows to the other side of the charging barrel, and the electric heating box controls the electric heating pipe to heat, so that the temperature in the extrusion area and the transition area of the charging barrel is increased, and the water content is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to dewatering drying device technical field, more specifically for a kind of sludge dewatering drying device based on sludge thermal hydrolysis coupling phosphorus recovery. BACKGROUND

[0002] Sludge thermal hydrolysis technology is a kind of efficient, environmental protection sludge treatment technology, it is through thermal hydrolysis, makes the organic matter in sludge accelerated to break down, and promotes intracellular organic matter to further hydrolysis.This process improves the subsequent anaerobic digestion performance of sludge, and further improves the biogas production. Although the energy consumption required in thermal hydrolysis process is higher, but can be obtained by the combustion of biogas produced in anaerobic digester, thereby reducing the engineering cost.

[0003] In sludge thermal hydrolysis, the water content in sludge is large, and its weight is large, which is not convenient for transportation, and increases the difficulty of subsequent treatment. Therefore, a new technical solution is needed to solve it. INVENTION CONTENTS

[0004] The utility model discloses a kind of sludge dewatering drying device based on sludge thermal hydrolysis coupling phosphorus recovery, solve the problem that the water content in sludge is large in sludge thermal hydrolysis, and its weight is large, which is not convenient for transportation, and increases the difficulty of subsequent treatment.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of sludge dewatering drying device based on sludge thermal hydrolysis coupling phosphorus recovery, comprising: support frame, the upper portion of the support frame is provided with barrel and the side of barrel is provided with connecting barrel, the connecting barrel is fixedly connected between barrel, the inside of the connecting barrel is provided with bearing and the side of bearing is connected free feed port, the side of the barrel is provided with driver and the power output end of driver is provided with conveyor, the conveyor is connected with feed port and the side is provided with several groups of discharge port, the conveyor is gradually tapered structure setting, the tapering of the conveyor is extrusion area and smooth place is transition area, the surface of the conveyor is provided with helical blade and helical blade and the inner wall of barrel are mutually contacted, the side of the barrel is provided with electric heating box and the side of electric heating box is provided with drying jacket, the drying jacket is wrapped in the surface of barrel and mutually corresponds with extrusion area and transition area, the inside of the drying jacket is provided with electric heating tube and electric heating tube is wrapped in the surface of barrel and is connected between electric heating box.

[0006] As a preferred embodiment of the utility model, the surface of the feed port is provided with feed joint.

[0007] As a preferred embodiment of the utility model, the electric heating tube is gradually tapered structure setting.

[0008] As a preferred embodiment of the utility model, the inside of the drying sleeve is sequentially provided with a temperature insulation layer, a heat preservation layer and a temperature guide plate from outside to inside.

[0009] As a preferred embodiment of the utility model, the lower part of the material cylinder and the connecting cylinder is respectively provided with a drainage port and a discharge port.

[0010] As a preferred embodiment of the utility model, the inside of the discharge port and the drainage port is respectively provided with a solenoid valve.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The utility model discloses a support frame's upper part is provided with the material cylinder and the side of material cylinder is provided with the connecting cylinder, and the connecting cylinder is fixedly connected between the material cylinder, is provided with the bearing in the inside of connecting cylinder and the side of bearing is connected free feed port, is provided with the driver on the side of material cylinder and the power output of driver is provided with the conveyer, and the conveyer is linked together with feed port and is provided with a plurality of groups of discharge port on the side, and the conveyer is gradually tapered structure setting, and the tapering place is extrusion area and the smooth place is transition area, is provided with helical blade on the surface of conveyer and helical blade and the inner wall of material cylinder are mutually contacted, is provided with electric heating box on the side of material cylinder and the side of electric heating box is provided with drying sleeve, and drying sleeve is wrapped on the surface of material cylinder and corresponds with extrusion area and transition area, is provided with electric heating tube in the inside of drying sleeve and electric heating tube is wrapped on the surface of material cylinder and is connected between electric heating box, and the sludge is conveyed to the conveyer through feed port, and the discharge port is discharged into the inside of material cylinder through the rotation of conveyer, and the conveyer is constantly rotated through the drive of driver, and the solid sludge is gradually moved to extrusion area through helical blade, and the tapering structure of extrusion area can effectively extrude the sludge, thereby reducing the water content, and the extruded sludge enters transition area and goes to the discharge port, and the water content of extruded sludge is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is overall structure schematic diagram of the utility model;

[0014] Figure 2 It is cross section structure schematic diagram of the utility model;

[0015] Figure 3 It is drying sleeve structure schematic diagram of the utility model.

[0016] In the figure: 1, material cylinder; 2, support frame; 3, driver; 4, drying sleeve; 5, connecting cylinder; 6, feeding port; 7, electric heating box; 8, conveyor; 9, spiral blade; 10, discharging port; 11, extrusion area; 12, transition area; 13, feeding joint; 14, discharging port; 15, electromagnetic valve; 16, bearing; 17, electric heating pipe; 18, temperature guide plate; 19, heat preservation layer; 20, temperature insulation layer. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-3The utility model provides a technical scheme: a sludge dewatering drying device based on sludge thermal hydrolysis coupling phosphorus recovery, it includes: support frame 2, the upper portion of support frame 2 is provided with barrel 1 and the side of barrel 1 is provided with connecting cylinder 5, connecting cylinder 5 and barrel 1 are fixedly connected, the inside of connecting cylinder 5 is provided with bearing 16 and the side of bearing 16 is connected free feed port 6, the side of barrel 1 is provided with driver 3 and the power output end of driver 3 is provided with conveyor 8, conveyor 8 and feed port 6 are connected and the side is provided with several groups of discharge port 10, conveyor 8 is provided with taper structure, the taper of conveyor 8 is extrusion area 11 and the smooth place is transition area 12, the surface of conveyor 8 is provided with helical blade 9 and helical blade 9 and the inner wall of barrel 1 are in contact with each other, the side of barrel 1 is provided with electric heating box 7 and the side of electric heating box 7 is provided with drying jacket 4, drying jacket 4 is wrapped in the surface of barrel 1 and corresponds with extrusion area 11 and transition area 12, the inside of drying jacket 4 is provided with electric heating tube 17 and electric heating tube 17 is wrapped in the surface of barrel 1 and is connected between electric heating box 7, the upper portion of support frame 2 is provided with barrel 1 and the side of barrel 1 is provided with connecting cylinder 5, connecting cylinder 5 and barrel 1 are fixedly connected, the inside of connecting cylinder 5 is provided with bearing 16 and the side of bearing 16 is connected free feed port 6, the side of barrel 1 is provided with driver 3 and the power output end of driver 3 is provided with conveyor 8, conveyor 8 and feed port 6 are connected and the side is provided with several groups of discharge port 10, conveyor 8 is provided with taper structure, the taper of conveyor 8 is extrusion area 11 and the smooth place is transition area 12, the surface of conveyor 8 is provided with helical blade 9 and helical blade 9 and the inner wall of barrel 1 are in contact with each other, the side of barrel 1 is provided with electric heating box 7 and the side of electric heating box 7 is provided with drying jacket 4, drying jacket 4 is wrapped in the surface of barrel 1 and corresponds with extrusion area 11 and transition area 12, the inside of drying jacket 4 is provided with electric heating tube 17 and electric heating tube 17 is wrapped in the surface of barrel 1 and is connected between electric heating box 7, through feed port 6, sludge is delivered to conveyor 8, and is discharged into the inside of barrel 1 through the rotation of conveyor 8, and the continuous rotation of conveyor 8 is driven by driver 3, and solid sludge is gradually moved to extrusion area 11 by helical blade 9, the taper structure of extrusion area 11 can effectively extrude sludge, so as to reduce the moisture content, and the sludge after extrusion enters transition area 12 and moves to discharge port 14, and the moisture of extrusion flows to the other side of barrel 1, electric heating box 7 controls electric heating tube 17 to heat, so that the temperature in extrusion area 11 and transition area 12 of barrel 1 is increased, so as to further reduce the moisture content of Jiangdu.

[0019] Further improvement, such as Figure 2As shown: the surface of the feed inlet 6 is provided with a feed joint 13, which makes the input of sludge more convenient and stable, and is convenient to connect with external conveying equipment, improves the automation degree and operation efficiency of the device.

[0020] Further improved, such as Figure 2 As shown: the electric heating pipe 17 is arranged in a spiral structure, which increases the contact area with the sludge, improves the heating efficiency and the uniformity of heat transfer, thereby speeding up the dewatering and drying speed of the sludge and improving the overall processing efficiency.

[0021] Further improved, such as Figure 3 As shown: the inside of the drying sleeve 4 is sequentially provided with a temperature insulation layer 20, a heat preservation layer 19 and a temperature guide plate 18 from outside to inside, which keeps the temperature inside the drying sleeve 4 stable and avoids the influence of temperature fluctuation on the sludge treatment effect.

[0022] Further improved, such as Figure 2 As shown: the lower part of the barrel 1 and the connecting barrel 5 is respectively provided with a drain port and a discharge port 14, which makes the squeezed water and treated sludge can be conveniently discharged, avoids the accumulation of water and sludge in the device, and maintains the cleanliness and efficient operation of the device.

[0023] Further improved, such as Figure 2 As shown: the inside of the discharge port 14 and the drain port is respectively provided with an electromagnetic valve 15, which realizes the accurate control of the discharge port 14 and the drain port, and can be opened or closed at any time according to the needs.

[0024] Working principle: the utility model discloses a support frame 2's upper portion is provided with the barrel 1 and the side of barrel 1 is provided with connecting cylinder 5, and connecting cylinder 5 and barrel 1 are fixedly connected, and bearing 16 is arranged in the inside of connecting cylinder 5, and the side of bearing 16 is connected free feed port 6, and drive 3 is arranged on the side of barrel 1, and the power output end of drive 3 is provided with conveyor 8, and conveyor 8 is connected with feed port 6 and is provided with a plurality of groups of discharge port 10 on the side, and conveyor 8 is provided with taper structure, and taper structure is extrusion area 11 and smooth place is transition area 12, and spiral blade 9 is arranged on the surface of conveyor 8, and spiral blade 9 and the inner wall of barrel 1 are in contact with each other, and electric heating box 7 is arranged on the side of barrel 1, and drying jacket 4 is arranged on the side of electric heating box 7, and drying jacket 4 is wrapped on the surface of barrel 1 and corresponds with extrusion area 11 and transition area 12, and electric heating tube 17 is arranged in the inside of drying jacket 4, and electric heating tube 17 is wrapped on the surface of barrel 1 and is connected with electric heating box 7, and the sludge is conveyed to conveyor 8 through feed port 6, and the discharge port 10 is discharged into the inside of barrel 1 through the rotation of conveyor 8, and drive 3 drives the continuous rotation of conveyor 8, and spiral blade 9 drives solid sludge to gradually move to extrusion area 11, and the taper structure of extrusion area 11 can effectively extrude the sludge, thereby reducing the water content, and the sludge that is extruded enters transition area 12 and is certain to discharge port 14, and the water content of extruded sludge is reduced, and the temperature in extrusion area 11 and transition area 12 of barrel 1 is increased by electric heating tube 17 controlled by electric heating box 7, thereby further reducing the water content.

[0025] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change.

[0027] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery, characterized in that: Include: Support frame (2), the upper part of the support frame (2) is provided with a barrel (1), and the side of the barrel (1) is provided with a connecting barrel (5), the connecting barrel (5) is fixedly connected between the barrel (1), the inside of the connecting barrel (5) is provided with a bearing (16), and the side of the bearing (16) is connected with a free feed inlet (6), the side of the barrel (1) is provided with a driver (3), and the power output end of the driver (3) is provided with a conveyor (8), the conveyor (8) is connected with the feed inlet (6) and is provided with a plurality of groups of discharge ports (10) on the side, the conveyor (8) is provided in a tapered structure, the tapered part of the conveyor (8) is an extrusion area (11), and the smooth part is a transition area (12), the surface of the conveyor (8) is provided with a spiral blade (9), and the spiral blade (9) and the inner wall of the barrel (1) are in contact with each other, the side of the barrel (1) is provided with an electric heating box (7), and the side of the electric heating box (7) is provided with a drying jacket (4), the drying jacket (4) is wrapped around the surface of the barrel (1) and corresponds to the extrusion area (11) and the transition area (12), the inside of the drying jacket (4) is provided with an electric heating pipe (17), and the electric heating pipe (17) is wrapped around the surface of the barrel (1) and connected with the electric heating box (7).

2. The sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery according to claim 1, characterized in that: The surface of the feed inlet (6) is provided with a feed connector (13).

3. The sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery according to claim 1, characterized in that: The electric heating pipe (17) is provided in a spiral structure.

4. The sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery according to claim 1, characterized in that: The inside of the drying jacket (4) is sequentially provided with a temperature insulation layer (20), a heat preservation layer (19) and a temperature guide plate (18) from outside to inside.

5. The sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery according to claim 1, characterized in that: The lower part of the barrel (1) and the connecting barrel (5) is respectively provided with a drain port and a discharge port (14).

6. The sludge dewatering and drying device based on sludge thermal hydrolysis coupled with phosphorus recovery according to claim 5, characterized in that: The inside of the discharge port (14) and the drain port is respectively provided with an electromagnetic valve (15).

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