A sludge concentration and dehydration equipment

Abstract

The utility model discloses a sludge concentration and dehydration device, comprising a device body; two belt filters are relatively arranged on the device body; a plurality of conveying rollers are arranged for driving the belt filters to convey the sludge; a pressure roller assembly is arranged on the device body; a hot air drying assembly is arranged on the device body for drying and dehydrating the mud cake; a collecting box is located below the cleaning assembly. The utility model relates to the technical field of sludge treatment. In the process of conveying the sludge through the two belt filters, most of the water in the sludge is first squeezed and dehydrated by the pressure roller assembly, and then the sludge is quickly dried and dehydrated by the hot air drying assembly. By double dehydrating the sludge, the problem of incomplete mud and water separation caused by the sludge still containing a large amount of water is effectively avoided, and the sludge is quickly and efficiently concentrated and dehydrated, which avoids the influence on the subsequent treatment of the sludge.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, and specifically relates to sludge concentration and dehydration equipment. Background Art

[0002] Sludge refers to the sediment discharged from sewage treatment facilities. Sludge treatment refers to the process of reducing, stabilizing and harmlessly treating sludge by concentrating, conditioning, dehydrating, stabilizing, drying or incinerating it. Sludge treatment is the process of reducing, stabilizing and harmlessly treating sludge. When reducing sludge, it needs to be concentrated using a concentrating and dehydrating device.

[0003] At present, the existing equipment for concentrating and dehydrating sludge generally adopts two belt filters to filter and dehydrate the sludge. However, the sludge after filtering by the existing filter press still contains a large amount of water, the mud and water separation is not complete, and the sludge cannot be concentrated and dehydrated quickly and efficiently, which affects the subsequent treatment of the sludge. Therefore, a sludge concentrating and dehydrating equipment is provided. Utility Model Content

[0004] The utility model aims to provide a sludge concentration and dehydration device to solve the problem that the sludge after filtration by the existing filter press equipment still contains a large amount of water, the mud and water separation is not complete, the sludge cannot be concentrated and dehydrated quickly and efficiently, and the subsequent treatment of the sludge is affected.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a sludge concentration and dehydration device, comprising:

[0006] Equipment body;

[0007] Two belt filters are provided, and the two belt filters are arranged oppositely on the equipment body;

[0008] A plurality of conveying rollers are provided, and the plurality of conveying rollers are provided on the equipment body and located on the inner sides of the two belt filters, and are used to drive the belt filters to convey the sludge;

[0009] A pressing roller assembly is arranged on the equipment body and is used for squeezing and dehydrating the sludge between the two belt filters;

[0010] A hot air drying component is arranged on the equipment body and is used to dry and dehydrate the mud cake;

[0011] The collection box is arranged on one side of the equipment body and is located below the cleaning component.

[0012] Preferably, the pressure roller assembly includes a plurality of evenly distributed fixed squeezing rollers arranged on the equipment body and below the transported sludge, an electric cylinder is arranged on the equipment body and above the transported sludge, a lower pressure plate is arranged at the output end of the electric cylinder, and a plurality of adjustable squeezing rollers staggered with the fixed squeezing rollers are arranged at the bottom of the lower pressure plate.

[0013] Preferably, the hot air drying component includes a shell arranged on the equipment body and located above the transported sludge, the top pipe of the shell is connected to a high-pressure air pump, a serpentine heating tube is provided at the upper end of the interior of the shell, and an air equalizing plate is provided inside the shell and below the serpentine heating tube.

[0014] Preferably, auxiliary conveying rollers are provided at both ends of the bottom of the shell, and a number of evenly distributed rotating rods are provided on the equipment body below the conveyed sludge and between the two auxiliary conveying rollers. A number of evenly distributed dividing balls are provided on the side walls of the rotating rods, and the dividing balls on two adjacent rotating rods are staggered.

[0015] Preferably, a scraper is provided on the equipment body and at the discharge end of the belt filter.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is a sludge thickening and dehydration equipment. In the process of conveying the sludge through two belt filters, most of the water in the sludge is first squeezed and dehydrated by a pressure roller assembly, and then the sludge is quickly dried and dehydrated by a hot air drying assembly. By double dehydrating the sludge, the problem of incomplete mud-water separation caused by a large amount of water still contained in the sludge is effectively avoided, and rapid and efficient thickening and dehydration of the sludge is achieved, avoiding the impact on the subsequent treatment of the sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 2 for Figure 1 A local enlarged structural schematic diagram;

[0019] Figure 3 It is a structural schematic diagram of the rotating rod and the separating ball of the utility model.

[0020] In the figure: 1. Equipment body; 2. Belt filter; 3. Conveying roller; 4. Pressing roller assembly; 4-1. Fixed squeezing roller; 4-2. Electric cylinder; 4-3. Lower pressing plate; 4-4. Adjusting squeezing roller; 5. Hot air drying assembly; 5-1. Shell; 5-2. High-pressure air pump; 5-3. Serpentine heating tube; 5-4. Air distribution plate; 5-5. Auxiliary conveying roller; 5-6. Rotating rod; 5-7. Separating ball; 6. Collecting box; 7. Scraper. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 The utility model provides a technical solution: a sludge concentration and dehydration device, comprising: an equipment body 1; two belt filter screens 2 are provided, and the two belt filter screens 2 are relatively arranged on the equipment body 1; a plurality of conveying rollers 3 are provided, and the plurality of conveying rollers 3 are arranged on the equipment body 1 and located on the inner side of the two belt filter screens 2, and are used to drive the belt filter screen 2 to convey the sludge, and a conveying roller 3 located in a belt filter screen 2 is driven by a motor; a pressing roller assembly 4 is arranged on the equipment body 1, and is used to squeeze and dehydrate the sludge between the two belt filter screens 2; a hot air drying assembly 5 ... The equipment body 1 is used for drying and dehydrating the mud cake; the collecting box 6 is arranged on one side of the equipment body 1 and is located below the cleaning component. In the process of conveying the sludge through the two belt filters 2, most of the water in the sludge is first squeezed and dehydrated by the pressing roller assembly 4, and then the sludge is quickly dried and dehydrated by the hot air drying assembly 5. By double dehydrating the sludge, the problem of incomplete mud and water separation caused by a large amount of water still contained in the sludge is effectively avoided, and the sludge is quickly and efficiently concentrated and dehydrated, which avoids affecting the subsequent treatment of the sludge.

[0023] Specifically, the pressure roller assembly 4 includes a plurality of evenly distributed fixed squeezing rollers 4-1 arranged on the equipment body 1 and below the transported sludge, an electric cylinder 4-2 is arranged on the equipment body 1 and above the transported sludge, a lower pressure plate 4-3 is arranged at the output end of the electric cylinder 4-2, and a plurality of adjustable squeezing rollers 4-4 arranged alternately with the fixed squeezing rollers 4-1 are arranged at the bottom of the lower pressure plate 4-3. In the process of conveying the sludge by the belt filter 2, the lower pressure plate 4-3 and the plurality of adjustable squeezing rollers 4-4 are driven by the electric cylinder 4-2 to press down and cooperate with the plurality of fixed squeezing rollers 4-1 to squeeze the sludge in the belt filter 2, and most of the water in the sludge is squeezed and dehydrated through the pressure roller assembly 4.

[0024] Specifically, the hot air drying component 5 includes a shell 5-1 which is arranged on the equipment body 1 and located above the transported sludge. The top pipe of the shell 5-1 is connected to a high-pressure air pump 5-2. A serpentine heating tube 5-3 is provided at the upper end of the shell 5-1. An air equalizing plate 5-4 is provided inside the shell 5-1 and below the serpentine heating tube 5-3. When in use, the high-pressure air pump 5-2 is started to allow air to enter the shell 5-1. The serpentine heating tube 5-3 heats the air, and hot air is sprayed through the air equalizing plate 5-4 to quickly dry the remaining moisture in the sludge. By setting up the hot air drying component 5, the problem of incomplete mud-water separation caused by a large amount of moisture still contained in the sludge is effectively avoided, and the sludge is quickly and efficiently concentrated and dehydrated, avoiding affecting the subsequent treatment of the sludge.

[0025] Specifically, auxiliary conveying rollers 5-5 are provided at both ends of the bottom of the shell 5-1. The auxiliary conveying rollers 5-5 avoid the problem of damage to the belt filter 2 caused by contact with the shell 5-1 during the conveying of sludge by the belt filter 2. A number of evenly distributed rotating rods 5-6 are provided on the equipment body 1 below the conveyed sludge and between the two auxiliary conveying rollers 5-5. A number of evenly distributed dividing balls 5-7 are provided on the side walls of the rotating rods 5-6. The dividing balls 5-7 on two adjacent rotating rods 5-6 are staggered. During the conveying of sludge by the belt filter 2, the dividing balls 5-7 on the dividing ball rotating rods 5-6 cause changes in the sludge inside the belt filter 2, thereby effectively improving the drying and dehydration effect of the hot air on the sludge.

[0026] Specifically, a scraper 7 is provided on the equipment body 1 and at the discharge end of the belt filter 2. Two scrapers 7 are provided, and the two scrapers 7 are both inclined. After the mud cake between the two belt filters 2 falls into the collecting box 6, the two scrapers 7 scrape off the mud cake remaining on the belt filter 2, thereby preventing the mud cake remaining on the belt filter 2 from affecting the subsequent treatment of the sludge.

[0027] Working principle: During use, the utility model first starts the conveying roller 3 to drive the two belt filters 2 to move, and after the sludge is added to the belt filter 2, the pressure roller assembly 4 is started to squeeze and dehydrate the sludge, and then the hot air drying assembly 5 is started to quickly dry the remaining water in the sludge by hot air. The sludge falls from the discharge end of the belt filter 2 into the collecting box 6 for collection, thereby realizing double dehydration treatment of the sludge.

[0028] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge concentration and dehydration equipment, characterized in that: include: Device body (1); Two belt filters (2) are provided, and the two belt filters (2) are arranged on the device body (1) opposite to each other; A plurality of conveying rollers (3) are provided, wherein the plurality of conveying rollers (3) are provided on the equipment body (1) and are located on the inner sides of the two belt filters (2), and are used to drive the belt filters (2) to convey the sludge; A pressing roller assembly (4) is arranged on the equipment body (1) and is used for squeezing and dehydrating the sludge between the two belt filters (2); A hot air drying component (5) is arranged on the equipment body (1) and is used to dry and dehydrate the mud cake; The collection box (6) is arranged on one side of the equipment body (1) and is located below the cleaning component.

2. A sludge concentration and dehydration equipment according to claim 1, characterized in that: The pressure roller assembly (4) comprises a plurality of evenly distributed fixed squeezing rollers (4-1) arranged on the equipment body (1) and below the transported sludge, an electric cylinder (4-2) arranged on the equipment body (1) and above the transported sludge, a lower pressure plate (4-3) arranged at the output end of the electric cylinder (4-2), and a plurality of adjustable squeezing rollers (4-4) arranged alternately with the fixed squeezing rollers (4-1) arranged at the bottom of the lower pressure plate (4-3).

3. The sludge concentration and dehydration equipment according to claim 1, characterized in that: The hot air drying component (5) comprises a shell (5-1) arranged on the equipment body (1) and located above the transported sludge, the top pipeline of the shell (5-1) is connected to a high-pressure air pump (5-2), a serpentine heating pipe (5-3) is provided at the upper end of the interior of the shell (5-1), and an air distribution plate (5-4) is provided inside the shell (5-1) and below the serpentine heating pipe (5-3).

4. A sludge concentration and dehydration equipment according to claim 3, characterized in that: Auxiliary conveying rollers (5-5) are provided at both ends of the bottom of the shell (5-1), and a plurality of evenly distributed rotating rods (5-6) are provided on the equipment body (1) below the transported sludge and between the two auxiliary conveying rollers (5-5). A plurality of evenly distributed dividing balls (5-7) are provided on the side walls of the dividing rods (5-6), and the dividing balls (5-7) on two adjacent dividing rods (5-6) are arranged in a staggered manner.

5. The sludge concentration and dehydration equipment according to claim 1, characterized in that: A scraper (7) is provided on the equipment body (1) and located at the discharge end of the belt filter (2).

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