CN108609833B - High water content sludge and mud rapid dehydration and solidification device - Google Patents

Abstract

The invention discloses a rapid dehydration and solidification device for high-water-content sludge and slurry, which comprises the following components: a housing; a raw material hopper fixed on the top of the shell; the flocculant adding box is fixed at the top end of the shell and is communicated with the shell; the flocculant adding box is cylindrical, and a first sealing ring is attached to the inner wall of the side wall of the flocculant adding box in a circumferential direction; the sealing plate is horizontally positioned in the flocculant adding box; the first spring is vertically arranged, one end of the first spring is fixed on the lower surface of the sealing plate, and the other end of the first spring is fixed at the bottom of the flocculant adding box; one end of the connecting rod penetrates through the top of the flocculant adding box and is fixed on the upper surface of the sealing plate, and the other end of the connecting rod is fixedly connected with a lower pressing plate which is horizontally arranged; the lower pressure plate is positioned in the raw material hopper and is not contacted with the raw material hopper. The dehydration and solidification device has simple structure and good dehydration and solidification effects, and can realize automatic dehydration and solidification of high-water-content sludge and slurry.

Description

High water content sludge and mud rapid dehydration and solidification device

Technical field

The present invention relates to the field of dewatering and solidification of sludge and slurry. More specifically, the present invention relates to a device for rapid dehydration and solidification of high water content sludge and mud.

Background technique

With the current development of urban construction, many construction methods will produce a large amount of mud. Any discharge of this mud will cause certain pollution to the environment. Simply using flocculants for flocculation and sedimentation will occupy a large area and cause a waste of resources. However, currently on the market Most mud dewatering machines simply perform squeeze dehydration, and the dehydration effect is not good.

Contents of the invention

The invention provides a device for rapid dehydration and solidification of high water content sludge and mud, which has a simple structure and good dehydration and solidification effect.

In order to achieve the above objectives, the present invention provides a device for rapid dehydration and solidification of high water content sludge and mud, including:

The shell is in the shape of a square column, and a clean water discharge port is provided at the bottom;

A raw material funnel, which is fixed on the top of the housing;

A flocculant adding box is fixed on the top of the shell and the two are connected; the flocculant adding box is cylindrical, and the inner wall of its side wall is circumferentially attached with a first sealing ring;

The sealing plate is horizontally located in the flocculant adding box;

The first spring is arranged vertically, with one end fixed to the lower surface of the sealing plate and the other end fixed to the bottom of the flocculant adding box; when the first spring is in a naturally extended state, the sealing plate just snaps Located in the first sealing ring to achieve sealing;

The connecting rod is set horizontally, one end penetrates the top of the flocculant adding box and is fixed on the upper surface of the sealing plate, and the other end is fixedly connected to the horizontally arranged lower pressure plate; the lower pressure plate is located in the raw material funnel and does not Contact with the raw material funnel;

One end of the telescopic rod is fixed vertically to the middle part of the connecting rod, and the other end is fixed to the top of the flocculant adding box.

Preferably, the device for rapid dehydration and solidification of high water content sludge and mud also includes:

The second sealing ring is circumferentially attached to the inner wall of the side wall of the flocculant adding box; the lower side of the second sealing ring is hollow, the lower end is open, and a plurality of communication holes are provided on the lower inner wall of the second sealing ring. The connecting holes are covered with filter cloth;

A holding plate is located horizontally within the housing;

At least four second springs are located in the housing; when the second springs are in a naturally extended state, the holding plate is just stuck in the second sealing ring to achieve sealing;

The first push rod penetrates horizontally into one side wall of the housing, one end is fixedly connected to the first scraper, and the other end is connected to the output shaft of the external motor, and is driven by the motor to achieve horizontal reciprocating motion; and A silt discharge port is provided on the opposite side wall of one side wall of the housing;

The guide plate has a downwardly concave arc-shaped bottom and is arranged obliquely in the housing. The lower end of the guide plate is connected to the sludge discharge port. When the second spring is compressed to the maximum deformation, the height of the guide plate is lower than the height of the holding plate, and the position where the guide plate is close to the holding plate partially overlaps.

Preferably, the device for rapid dehydration and solidification of high water content sludge and slurry also includes a sludge treatment device, which includes:

The tank is arranged vertically, with a hollow interior, and the top and bottom ends are open; the upper side of the side wall of the tank is connected to the sludge discharge port of the shell through a through hole; the lower side of the side wall of the tank is A plurality of extrusion discharge holes are opened in the side ring, and the extrusion discharge holes cover the filter cloth;

The upper sealing plug is horizontally slid and clamped in the tank body, and moves up and down along the height direction of the tank body under the push of the upper hydraulic rod; the lower surface of the upper sealing plug protrudes outward to form a plurality of arc-shaped bulge;

A lower sealing plug is horizontally slidably mounted in the tank and located below the upper sealing plug; the upper surface of the lower sealing plug is recessed inward to form a plurality of grooves; the protrusions and the grooves are One-to-one correspondence, and correspondingly matched with each other; the lower sealing plug reciprocates up and down along the height direction of the tank under the push of the lower hydraulic rod;

The second push rod is located below the tank body. The second push rod is arranged horizontally. One end is fixedly connected to the second scraper, and the other end is connected to the output shaft of the motor. It realizes horizontal reciprocating motion under the driving action of the motor.

Preferably, the device for rapid dehydration and solidification of high water content sludge and mud also includes:

A third spring has one end fixed to the top of the inner wall of the housing and the other end fixed to the upper surface of the holding plate;

When the second spring is in a natural extension state, the third spring is in a natural extension state.

Preferably, the device for rapid dehydration and solidification of high water content sludge and slurry also includes an oven, the feed port of which is located directly below the sludge discharge port on the housing to process the sludge discharged through the sludge discharge port. Carry out drying and curing treatment.

Preferably, in the device for rapid dehydration and solidification of high water content sludge and mud, the flocculant addition box contains a flocculant solution.

Preferably, in the device for rapid dehydration and solidification of high water content sludge and slurry, the inner wall of the shell is coated with a corrosion-resistant paint layer.

The present invention at least includes the following beneficial effects: the dehydration and solidification device of the present invention has a simple structure, good dehydration and solidification effects, and can realize automatic dehydration and solidification of high water content sludge and mud.

Other advantages, objects, and features of the present invention will be apparent in part from the description below, and in part will be understood by those skilled in the art through study and practice of the present invention.

Description of the drawings

Figure 1 is a schematic structural diagram of a device for rapid dehydration and solidification of high water content sludge and mud according to the present invention;

Figure 2 is a partial enlarged view of point A in Figure 1.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the text of the description.

It should be noted that the experimental methods described in the following embodiments, unless otherwise specified, are all conventional methods, and the reagents and materials, unless otherwise specified, can be obtained from commercial sources; in the description of the present invention, The terms "horizontal", "vertical", "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", The orientations or positional relationships indicated by "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have Specific orientations, construction and operation in specific orientations and therefore are not to be construed as limitations of the invention.

As shown in Figure 1, the present invention provides a device for rapid dehydration and solidification of high water content sludge and mud, including:

The shell 1 is in the shape of a square column, with a clean water discharge port 110 provided at the bottom; the raw material funnel 2 is fixed on the top of the shell 1; the flocculant adding box 3 is fixed on the top of the shell 1, and both Connected; the flocculant adding box 3 is cylindrical, and the inner wall of the side wall is circumferentially attached with the first sealing ring 4; the flocculant adding box 3 contains the flocculant solution. The sealing plate 5 is horizontally located in the flocculant adding box 3; the first spring 6 is arranged vertically, with one end fixed to the lower surface of the sealing plate 5 and the other end fixed to the bottom of the flocculant adding box 3; when When the first spring 6 is in a naturally extended state, the sealing plate 5 is just stuck in the first sealing ring 4 to achieve sealing; the connecting rod 7 is set horizontally, and one end is inserted into the flocculant to add The top of the box 3 is fixed on the upper surface of the sealing plate 5, and the other end is fixedly connected to the horizontally arranged lower pressure plate 8; the lower pressure plate 8 is located in the raw material hopper 2 and does not contact the raw material hopper 2; the telescopic rod 9. One end of it is fixed vertically to the middle part of the connecting rod 7, and the other end is fixed to the top of the flocculant adding box 3. During the use of the present invention, the flocculant solution is first added to the flocculant adding box 3 and stored. When the mud raw materials are poured into the raw material funnel 2, the lower pressure plate 8 is pressed down, and then the telescopic rod 9 is contracted. The spring 6 is pressed down to deform, and then the sealing plate 5 is pressed down, staggering with the first sealing ring 4, so that it is not sealed, and the flocculant solution falls down, realizing the automatic flow of the mud material without using electricity. The flocculant solution is automatically added when added; and the telescopic rod 9 here can be in various forms, such as being made of multiple sleeves nested inside each other, similar to a mobile phone selfie stick;

In another embodiment, the device for rapid dehydration and solidification of high water content sludge and mud, as shown in Figure 1-2, also includes:

The second sealing ring 10 is circumferentially attached to the inner wall of the side wall of the flocculant adding box 3; the lower side of the second sealing ring 10 is hollow, the lower end is open, and multiple connections are provided on the lower inner wall of the second sealing ring 10. hole 101, the communication hole 101 covers the filter cloth; the holding plate 11 is horizontally located in the housing 1; at least four second springs 12 are located in the housing 1; when the second spring 12 is in a natural state In the extended state, the holding plate 11 is just stuck in the second sealing ring 10 to achieve sealing; the first push rod 13 penetrates horizontally into one side wall of the housing 1, and one end is fixedly connected to the second sealing ring 10. The other end of a scraper 131 is connected to the output shaft of an external motor, and is driven by the motor to achieve horizontal reciprocating motion; a sludge discharge port 120 is provided on the other side wall opposite to one side wall of the housing 1 . The position of the sludge discharge port 120 is lower than the height of the first push rod 13 . The bottom of the guide plate 22 is in the shape of a downwardly concave arc and is disposed obliquely in the housing 1 . The lower end of the guide plate 22 is connected to the sludge discharge port 120 . When the second spring 12 is compressed to the maximum deformation, the height of the guide plate 22 is lower than the height of the holding plate 11 , and the portion of the guide plate 22 that is close to the holding plate 11 coincide. After the flocculant solution and mud raw materials are added to the shell 1, they fall to the holding plate 11, and a settling reaction occurs between them. As the weight of the material becomes larger and larger, the second spring 12 deforms. When the holding plate 11 gradually descends to the communication hole 101 at the lower end of the second sealing ring 10, the water part after the sedimentation reaction will flow out of the communication hole 101, then fall to the bottom of the housing 1, and be discharged through the clean water discharge port 110; and Due to the function of the filter cloth, the settled semi-solid slurry will not flow out. When the holding plate 11 continues to slide down, the second sealing ring 10 is completely staggered, as shown in Figure 1. At this time, the first push rod 13 is in the motor. Push it to the right, thereby pushing the semi-solid slurry down to the guide plate 22, and then discharged out of the housing 1 through the sludge discharge port 120.

In another embodiment, the device for rapid dehydration and solidification of high water content sludge and slurry also includes a sludge treatment device, which includes: a tank 14, which is vertically arranged, hollow inside, and the top and bottom ends are open; The upper side of the side wall of the tank 14 is connected with the sludge discharge port 120 of the housing 1 through a through hole; a plurality of squeeze discharge holes 141 are circumferentially opened on the lower side of the side wall of the tank 14. The pressure discharge hole is covered with filter cloth; the upper sealing plug 15 is horizontally slidably clamped in the tank 14 and reciprocates up and down along the height direction of the tank 14 under the push of the upper hydraulic rod 16; The lower surface of the sealing plug 15 protrudes outward to form a plurality of arc-shaped protrusions; the lower sealing plug 17 is horizontally slidably clamped in the tank 14 and located below the upper sealing plug 15; The upper surface of the lower sealing plug 17 is recessed inward to form a plurality of grooves; the protrusions correspond to the grooves one by one, and are correspondingly locked with each other; the lower sealing plug 17 is driven by the lower hydraulic rod 18 The second push rod 19 reciprocates up and down along the height direction of the tank 14; the second push rod 19 is located horizontally below the tank. One end of the second push rod 19 is fixedly connected to the second scraper 20, and the other end is connected to the output shaft of the motor. , achieving horizontal reciprocating motion driven by the motor. In the above embodiment, the semi-solid slurry enters the tank 14 through the sludge discharge port 120. At this time, the lower sealing plug 17 is located at the bottom of the tank to achieve sealing, and then the upper sealing plug 15 is pressed downward, and then the upper sealing plug 15 is pressed down. The semi-solid slurry is extruded under high pressure, and the moisture in it will be discharged through the extrusion discharge hole 141. Since the extrusion discharge hole is covered with filter cloth, the slurry will not be discharged; after the extrusion is completed, lower the sealing plug 17 Pull it down to separate it from the tank body 14, and then use the second push rod 19 to move to the left to push the slurry off the surface of the lower sealing plug 17.

In another embodiment, the device for rapid dehydration and solidification of high water content sludge and slurry also includes: a third spring 21, one end of which is fixed on the top of the inner wall of the housing 1, and the other end is fixed on the container. The upper surface of the plate 11; when the second spring 12 is in a natural extension state, the third spring 21 is in a natural extension state. In this way, the descending speed of the holding plate 11 can be reduced, so that the flocculant solution and mud on the surface can stand for a longer time and the standing effect is better.

In another embodiment, the device for rapid dehydration and solidification of high water content sludge and slurry also includes an oven, the feed port of which is located directly below the sludge discharge port on the housing so as to pass through the sludge discharge port. The discharged sludge is dried and solidified.

Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and embodiments. They can be applied to various fields suitable for the present invention. For those familiar with the art, they can easily Additional modifications may be made, and the invention is therefore not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the claims and equivalent scope.

Claims (5)

1. A rapid dewatering and solidification apparatus for high water content sludge, comprising:

the shell is square columnar, and the bottom of the shell is provided with a clear water discharge port;

a raw material hopper fixed on the top of the shell;

the flocculant adding box is fixed at the top end of the shell and is communicated with the shell; the flocculant adding box is cylindrical, and a first sealing ring is attached to the inner wall of the side wall of the flocculant adding box in a circumferential direction;

the sealing plate is horizontally positioned in the flocculant adding box;

the first spring is vertically arranged, one end of the first spring is fixed on the lower surface of the sealing plate, and the other end of the first spring is fixed at the bottom of the flocculant adding box; when the first spring is in a natural extension state, the sealing plate is just clamped in the first sealing ring to realize sealing;

one end of the connecting rod penetrates through the top of the flocculant adding box and is fixed on the upper surface of the sealing plate, and the other end of the connecting rod is fixedly connected with a lower pressing plate which is horizontally arranged; the lower pressing plate is positioned in the raw material hopper and is not contacted with the raw material hopper;

one end of the telescopic rod is vertically fixed in the middle of the connecting rod, and the other end of the telescopic rod is fixed at the top of the shell;

further comprises:

the second sealing ring is attached to the inner wall of the side wall of the shell in a circumferential direction; the lower side of the second sealing ring is hollow, the lower end of the second sealing ring is open, and a plurality of communication holes are formed in the inner wall of the lower side of the second sealing ring and cover the filter cloth;

the containing plate is horizontally positioned in the shell;

at least four second springs positioned in the shell, one ends of the second springs are fixed at the bottom of the inner wall of the shell, and the other ends of the second springs are fixed at the bottom of the containing plate; when the second spring is in a natural extension state, the containing plate is just clamped in the second sealing ring to realize sealing;

the first push rod horizontally penetrates into the side wall of one side of the shell, one end of the first push rod is fixedly connected with the first scraping plate, the other end of the first push rod is connected with an output shaft of an external motor, and the first push rod is driven by the motor to realize horizontal reciprocating motion; a sludge discharge port is formed in the side wall of the other side opposite to the side wall of one side of the shell, and the position of the sludge discharge port is lower than the height of the first push rod;

the bottom of the guide plate is in a downward concave arc shape and is obliquely arranged in the shell, and the lower end of the guide plate is communicated with the sludge discharge port;

when the second spring is compressed to the maximum deformation, the height of the guide plate is lower than that of the containing plate, and the position, close to the containing plate, of the guide plate is partially overlapped;

also included is a sludge treatment apparatus comprising:

the tank body is vertically arranged, hollow in the interior and open at the top end and the bottom end; the upper side of the side wall of the tank body is communicated with a sludge discharge port of the shell through a through hole; the lower side of the side wall of the tank body is provided with a plurality of extrusion discharge holes in a circumferential direction, and the extrusion discharge holes cover the filter cloth;

the upper sealing plug is horizontally clamped in the tank body and moves up and down in a reciprocating manner along the height direction of the tank body under the pushing action of the upper hydraulic rod; the lower surface of the upper sealing plug is outwards protruded to form a plurality of arc-shaped protrusions;

the lower sealing plug is horizontally clamped in the tank body and positioned below the upper sealing plug; the upper surface of the lower sealing plug is inwards recessed to form a plurality of grooves; the protrusions are in one-to-one correspondence with the grooves and correspondingly matched and clamped with each other; the lower sealing plug reciprocates up and down along the height direction of the tank body under the pushing action of the lower hydraulic rod;

the second push rod is positioned below the tank body, the second push rod is horizontally arranged, one end of the second push rod is fixedly connected with the second scraping plate, the other end of the second push rod is connected to an output shaft of the motor, and horizontal reciprocating motion is realized under the driving action of the motor.

2. The rapid dewatering and solidification apparatus for high moisture sludge of claim 1, further comprising:

one end of the third spring is fixed at the top of the inner wall of the shell, and the other end of the third spring is fixed on the upper surface of the containing plate;

when the second spring is in a natural extension state, the third spring is in a natural extension state.

3. The rapid dewatering and solidification apparatus for high moisture sludge as claimed in claim 1, further comprising an oven having a feed inlet positioned directly below the sludge discharge outlet in the housing for performing a drying and solidification process on the sludge discharged through the sludge discharge outlet.

4. The rapid dewatering and solidification apparatus for high water content sludge as claimed in claim 1, wherein the flocculant adding tank is filled with a flocculant solution.

5. The rapid dewatering and curing apparatus for high moisture sludge as claimed in claim 1, wherein said inner wall of said housing is coated with a corrosion resistant coating.