WO2022027965A1

WO2022027965A1 - Integrated ozone treatment device for biochemical sludge and use method therefor

Info

Publication number: WO2022027965A1
Application number: PCT/CN2021/080620
Authority: WO
Inventors: 孙经纬; 刘飞
Original assignee: 南京汉尔斯生物科技有限公司
Priority date: 2020-08-06
Filing date: 2021-03-12
Publication date: 2022-02-10
Also published as: CN112062427A

Abstract

Disclosed are an integrated ozone treatment device for biochemical sludge and a use method therefor, which relate to the technical field of sludge treatment. The present invention comprises a filtering cavity, a buffering cavity, a drying cavity and a sewage treatment cavity, wherein the filtering cavity is of a cylindrical structure which is horizontally placed and has two sealed ends; the filtering cavity and the drying cavity are connected via the buffering cavity; and the filtering cavity is provided with a rectangular sewage treatment cavity. According to the present invention, after sludge is fully stirred by a stirring apparatus of the filtering cavity, sewage enters the sewage treatment cavity through sewage filtering holes; the sewage is alkaline after being treated in the sewage treatment cavity; the sludge in the filtering cavity enters the drying cavity, and is compressed by a screw conveyor and then extruded out through a discharge port, and therefore, the device is convenient and quick, and reduces pollution; and at the same time, ozone is added into the drying cavity to carry out a sterilization and oxidation treatment on the sludge, such that the sludge treatment quality is improved.

Description

A kind of biochemical sludge ozone treatment integrated equipment and using method thereof

technical field

The invention belongs to the technical field of sludge treatment, and in particular relates to an integrated device for ozone treatment of biochemical sludge and a use method thereof.

Background technique

With the passage of time, biochemical sludge accumulates continuously in the environment. If biochemical sludge is not treated, it will cause serious pollution to the environment and is not conducive to sustainable development. Biochemical sludge mainly collects residual heavy metals and chemical components from biochemical sludge during the treatment process. The moisture in the biochemical sludge after removing metal residues and chemical substances is often acidic or alkaline, and the direct discharge is corrosive and pollutes the environment. At the same time, the sludge needs to be dried and reused.

The invention provides an integrated device for ozone treatment of biochemical sludge and a method of using the same. After the sludge is fully stirred by the stirring device of the filter chamber, the sewage enters the sewage treatment chamber through the sewage filter hole; after the sewage is treated in the sewage treatment chamber The acidity and alkalinity are alkaline; the sludge in the filter chamber enters the drying chamber, and is compressed by the auger and then extruded through the discharge port, which is convenient and quick, and reduces pollution; at the same time, adding ozone into the drying chamber has a negative effect on the sludge. Carry out sterilization and oxidation treatment to improve the quality of sludge treatment.

technical problem

The purpose of the present invention is to provide a biochemical sludge ozone treatment integrated equipment and a method of using the same. After the sludge is fully stirred by the stirring device of the filter chamber, the sewage enters the sewage treatment chamber through the sewage filter hole; After treatment, the acidity and alkalinity are alkaline; the sludge in the filter chamber enters the drying chamber, is compressed by the auger and extruded through the discharge port, which is convenient and quick, and reduces pollution; at the same time, ozone is added to the drying chamber The sludge is sterilized and oxidized to improve the quality of sludge treatment.

technical solutions

The invention is an integrated device for ozone treatment of biochemical sludge, comprising: a filter cavity, a buffer cavity, a drying cavity and a sewage treatment cavity; the filter cavity is a horizontally placed cylindrical structure with both ends sealed; the filter cavity It is connected with the drying cavity through a buffer cavity; the filter cavity is equipped with a rectangular sewage treatment cavity;

A horn-shaped feeding port is set on one side of the filter cavity; a stirring device is rotatably installed between the two bottom surfaces of the filter cavity; the stirring device includes a rotating shaft and a stirring blade uniformly distributed on the peripheral side of the rotating shaft; the rotating shaft It is rotatably installed with the two bottom surfaces of the filter chamber; one end of the rotating shaft extends out of the filter chamber and is connected to the output end of the first step motor in a transmission connection; a number of sewage filter holes are evenly distributed at the connection between the peripheral side of the filter chamber and the sewage treatment chamber;

A straight plate-shaped side door is arranged at the connection between the filter cavity and the buffer cavity; the side door is fixed on the side wall of the filter cavity through an electromagnetic door lock; the bottom of the buffer cavity is communicated with the drying cavity of the cylindrical structure; the inside of the drying cavity An auger is arranged coaxially; one end of the rotating shaft of the auger protrudes from the top of the buffer cavity and is connected to the output end of the second stepping motor; the rotating shaft is rotatably connected with the top of the buffer cavity; the bottom surface of the drying cavity is both The cloth has a number of outlets;

The drying chamber and the sewage treatment chamber are communicated through a ventilation pipe; an electric gas valve is installed on the ventilation pipe; a delivery port for inputting medicines is opened on one side of the sewage treatment chamber; the side wall of the sewage treatment chamber is installed PH tester for monitoring the acidity and alkalinity of sewage; a drainage outlet is provided at the bottom of the sewage treatment chamber;

The drying chamber and the sewage treatment chamber are installed on a support frame; a support plate is fixed on one side of the support frame; an ozone generator and a hot air pump are respectively installed on the support plate; The buffer chamber is communicated; the output end of the ozone generator is communicated with the buffer chamber through an ozone pipeline;

The main controller is also installed on the buffer cavity; the main controller is used to receive the pH value tested by the pH tester; the main controller is also used to control the first step motor, the electromagnetic door lock, the second Switches for stepper motors, electric air valves, heat pumps and ozone generators.

Preferably, a sieve plate with a small aperture is also installed in the ventilation pipe; the delivery port and the drainage port are both provided with a cover.

Preferably, the support frame has a "Sun"-shaped structure; the drying chamber and the sewage treatment chamber are respectively located in two "mouth"-shaped enclosures of the support frame; the drying chamber notifies the support rod and one of the The "mouth"-shaped enclosure is connected; the sewage treatment chamber is connected to another "mouth"-shaped enclosure through a support rod.

A method of using a biochemical sludge ozone treatment integrated device, comprising the following processes:

S00: after the biochemical sludge enters the filter cavity, the main controller controls the first step motor to rotate to drive the stirring device to rotate;

S01: After the stirring is completed, the main controller opens the electromagnetic door lock, and the sludge enters the buffer chamber and the drying chamber under the driving of the stirring blade;

S02: the main controller controls the rotation of the second stepping motor to drive the auger to rotate;

S03: The main controller controls to turn on the hot air pump and the ozone generator, so that the high-heat gas and the ozone enter the drying cavity;

S04: the main controller controls to open the electric gas valve so that the remaining gas in the drying chamber enters the sewage treatment chamber;

S05: the main controller judges whether the pH value tested by the pH tester is up to standard; if so, execute S06; if not, execute S07;

S06: Open the cover of the drain outlet for drainage;

S07: Deliver the acid reagent or alkali reagent for neutralization from the delivery port to the sewage treatment chamber.

beneficial effect

1. In the present invention, after the sludge is fully stirred by the stirring device of the filter chamber, the sewage enters the sewage treatment chamber through the sewage filter hole; the acidity and alkalinity of the sewage after being treated in the sewage treatment chamber are alkaline; the sludge in the filter chamber enters the sewage treatment chamber. In the drying chamber, after being compressed by the auger, it is extruded through the discharge port, which is convenient and quick, and reduces pollution; at the same time, ozone is added into the drying chamber to sterilize and oxidize the sludge to improve the quality of sludge treatment.

2. The present invention injects ozone into the drying cavity through an ozone generator and injects hot air into the drying cavity through a hot air pump, which facilitates the drying, sterilization and oxidation treatment of sludge and improves the quality of sludge treatment; The high-humidity water vapor generated in the dry chamber enters the sewage treatment chamber through the ventilation pipe. After being tested by the pH tester and neutralized, the neutral sewage is discharged to reduce environmental pollution.

3. In the present invention, a stirring device is installed in the filter chamber, and the sludge in the filter chamber is fully stirred to filter the moisture in the sludge to the sewage treatment chamber, so as to facilitate the drying treatment of the sludge in the drying chamber and improve the drying efficiency. efficient.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Figure 1 is a schematic structural diagram of a biochemical sludge ozone treatment integrated equipment of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is the sectional view of A-A in Fig. 3;

Fig. 5 is a flow chart of a method of using an integrated device for ozone treatment of biochemical sludge according to the present invention.

Embodiments of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "opening", "upper", "middle", "length", "inside", etc. indicate orientation or positional relationship, and are only for the convenience of describing the present invention and simplifying the description , rather than indicating or implying that the components or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

Referring to Figures 1-4, the present invention is an integrated biochemical sludge ozone treatment equipment, including: a filter chamber 1, a buffer chamber 2, a drying chamber 3 and a sewage treatment chamber 4; the filter chamber 1 is placed horizontally A cylindrical structure with two ends sealed; the filter chamber 1 and the drying chamber 3 are connected by a buffer chamber 2; the filter chamber 1 is installed with a rectangular sewage treatment chamber 4;

A horn-shaped feeding port 11 is set on one side of the filter chamber 1 to facilitate the input of sludge; a stirring device is rotated and installed between the two bottom surfaces of the filter chamber 1; 122; The rotating shaft 121 is rotatably installed with the bottom surfaces of the filter chamber 1; one end of the rotating shaft 121 extends out of the filter chamber 1 and is connected to the output end of the first step motor 13; A number of sewage filter holes 13 are opened; specifically, when in use, the filter chamber 1 is a horizontal mounting plate fixed on the side wall by screws; the first step motor 13 is mounted on the horizontal mounting plate by screws to maintain stability; when the biochemical sludge enters the After entering the filter chamber 1, the first step motor 13 rotates to drive the stirring device to rotate. After the stirring blade 122 will fully stir the biochemical sludge, the sewage in the biochemical sludge enters the sewage treatment chamber 4 from the sewage filter hole 13 to be treated. , first remove the sewage in the biochemical sludge to facilitate the drying treatment of the sludge, which is convenient and fast;

A straight plate-shaped side door 21 is arranged where the filter chamber 1 communicates with the buffer chamber 2; the side door is fixed on the side wall of the filter chamber 1 through an electromagnetic door lock; the bottom of the buffer chamber 2 is communicated with the drying chamber 3 of the cylindrical structure; The shaft center is provided with an auger 31; one end of the rotating shaft 311 of the auger 31 protrudes from the top of the buffer cavity 2 and is connected to the output end of the second stepping motor 22; the rotating shaft 311 is rotatably connected to the top of the buffer cavity 2; A number of discharge ports 32 are evenly distributed; specifically, during use, after the biochemical sludge is fully stirred in the filter chamber 1, and the rear side door 21 of the electromagnetic door lock is opened, the biochemical sludge enters the drying chamber 3 through the buffer chamber 2 At this time, the second stepper motor 22 is turned on to drive the auger 31 to rotate; at the same time, the ozone generator 52 and the hot air pump 53 are turned on to inject hot air and ozone into the drying chamber 3 to oxidize the biochemical sludge by ozone. sterilization treatment, and the sludge is dried by the hot air flow. Finally, the sludge is extruded from the discharge port 32 at the bottom of the drying chamber 3 under the screw extrusion of the auger 31, so as to realize the efficient and convenient treatment of the sludge, less environmental pollution;

The drying chamber 3 and the sewage treatment chamber 4 are communicated through a ventilation pipe 33; an electric air valve 331 is installed on the ventilation pipe 33; a delivery port 41 for inputting medicines is opened on one side of the sewage treatment chamber 4; the side wall of the sewage treatment chamber 4 is installed A pH tester 42 for monitoring the pH of sewage; a water outlet 43 is provided at the bottom of the sewage treatment chamber 4; specifically, when in use, the sludge in the drying chamber 3 is dried by hot air to generate high-humidity steam, which is opened at this time The electric air valve 331 enters the sewage treatment chamber 4 through the ventilation pipe 33 and is mixed with the sewage to be treated to reduce pollution;

The drying chamber 3 and the sewage treatment chamber 4 are installed on the support frame 5; the support plate 51 is fixed on one side of the support frame 5; the ozone generator 52 and the hot air pump 53 are respectively installed on the support plate 51; 531 is communicated with the buffer chamber 2; the output end of the ozone generator 52 is communicated with the buffer chamber 2 through the ozone pipe 521;

A main controller is also installed on the buffer chamber 2; the main controller is used to receive the PH value tested by the PH tester 42; the main controller is also used to control the first stepper motor 13, the electromagnetic door lock, and the second stepper motor 22. Switches of the electric air valve 331 , the hot air pump 53 and the ozone generator 52 .

Among them, a sieve plate with a small aperture is also installed in the ventilation pipe 33; the delivery port 41 and the drainage port 43 are both provided with a cover.

Among them, the support frame 5 is a "day"-shaped structure; the drying chamber 3 and the sewage treatment chamber 4 are respectively located in the two "mouth"-shaped enclosures of the support frame 5; the drying chamber 3 informs the support rod and one of the "mouths". ” shaped enclosure; the sewage treatment chamber 4 is connected to another “mouth” shaped enclosure through a support rod.

S00: After the biochemical sludge enters the filter chamber 1, the main controller controls the first step motor 13 to rotate to drive the stirring device to rotate;

S01: After the stirring is completed, the main controller opens the electromagnetic door lock, and the sludge enters the buffer chamber 2 and the drying chamber 3 under the driving of the stirring blade 122;

S02: the main controller controls the rotation of the second stepper motor 22 to drive the auger 31 to rotate;

S03: The main controller controls to turn on the hot air pump 53 and the ozone generator 52, so that the high-heat gas and ozone enter the drying chamber 3;

S04: The main controller controls to open the electric gas valve 331 so that the remaining gas in the drying chamber 3 enters the sewage treatment chamber 4;

S05: the main controller judges whether the pH value tested by the pH tester 42 reaches the standard; if so, execute S06; if not, execute S07;

S06: Open the cover of the drainage port 43 for drainage;

S07 : Deliver the acid reagent or alkali reagent for neutralization from the delivery port 41 to the sewage treatment chamber 4 .

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims

An integrated device for ozone treatment of biochemical sludge, characterized by comprising: a filter chamber (1), a buffer chamber (2), a drying chamber (3) and a sewage treatment chamber (4); the filter chamber (1) The filter chamber (1) is connected with the drying chamber (3) through a buffer chamber (2); the filter chamber (1) is installed with a rectangular sewage treatment chamber ( 4);

A horn-shaped feeding port (11) is provided on one side of the filter cavity (1); a stirring device is rotatably installed between the two bottom surfaces of the filter cavity (1); the stirring device includes a rotating shaft (121) and a ring-shaped The stirring blade (122) on the peripheral side of the rotating shaft (121); the rotating shaft (121) is rotatably installed with the bottom surfaces of the filter chamber (1); one end of the rotating shaft (121) extends out of the filter chamber (1) and the first The output end of the stepping motor (13) is connected by transmission; a plurality of sewage filter holes (13) are evenly distributed at the connection between the peripheral side of the filter chamber (1) and the sewage treatment chamber (4);

A straight plate-shaped side door (21) is arranged where the filter chamber (1) communicates with the buffer chamber (2); the side door is fixed on the side wall of the filter chamber (1) by an electromagnetic door lock; the bottom of the buffer chamber (2) is connected to the The drying cavity (3) of the cylindrical structure is communicated; an auger (31) is arranged coaxially in the drying cavity (3); one end of the rotating shaft (311) of the auger (31) protrudes out of the buffer cavity (2) The top is connected to the output end of the second stepping motor (22); the rotating shaft (311) is rotatably connected to the top of the buffer chamber (2); the bottom surface of the drying chamber (3) is evenly provided with a number of discharges mouth(32);

The drying chamber (3) is communicated with the sewage treatment chamber (4) through a ventilation pipe (33); an electric gas valve (331) is installed on the ventilation pipe (33); A delivery port (41) for inputting medicines is opened on the side; a pH tester (42) for monitoring the acidity and alkalinity of sewage is installed on the side wall of the sewage treatment chamber (4); a drainage port is provided at the bottom of the sewage treatment chamber (4) (43);

The drying chamber (3) and the sewage treatment chamber (4) are installed on a support frame (5); a support plate (51) is fixed on one side of the support frame (5); an ozone generator (52) and a hot air pump (53); the output end of the hot air pump (53) communicates with the buffer chamber (2) through the heat organ (531); the output end of the ozone generator (52) passes through the ozone The pipeline (521) communicates with the buffer chamber (2);

A main controller is also installed on the buffer chamber (2); the main controller is used to receive the pH value tested by the pH tester (42); the main controller is also used to control the first step motor ( 13), electromagnetic door lock, second stepper motor (22), electric air valve (331), hot air pump (53) and switch of ozone generator (52).
The integrated device for ozone treatment of biochemical sludge according to claim 1, characterized in that a sieve plate with a small aperture is also installed in the ventilation pipe (33); the delivery port (41) and the drain port ( 43) All are provided with a cover.
The integrated equipment for ozone treatment of biochemical sludge according to claim 1, characterized in that, the support frame (5) is a "Sun"-shaped structure; the drying chamber (3) and the sewage treatment chamber ( 4) are respectively located in the two "mouth" shaped enclosures of the support frame (5); the drying chamber (3) informs the support rod to be connected to one of the "mouth" shaped enclosures; the sewage treatment chamber (4) ) is connected to another "mouth" shaped enclosure through a support rod.
A method of using biochemical sludge ozone treatment integrated equipment, characterized in that it includes the following processes:

S00: After the biochemical sludge enters the filter chamber (1), the main controller controls the first step motor (13) to rotate to drive the stirring device to rotate;

S01: After the stirring is completed, the main controller opens the electromagnetic door lock, and the sludge enters the buffer chamber (2) and the drying chamber (3) under the driving of the stirring blade (122);

S02: the main controller controls the rotation of the second stepping motor (22) to drive the auger (31) to rotate;

S03: The main controller controls to turn on the hot air pump (53) and the ozone generator (52), so that the high-heat gas and ozone enter the drying cavity (3);

S04: the main controller controls to open the electric gas valve (331) so that the remaining gas in the drying chamber (3) enters the sewage treatment chamber (4);

S05: the main controller judges whether the pH value tested by the pH tester (42) reaches the standard; if so, execute S06; if not, execute S07;

S06: Open the cover of the drain port (43) for drainage;

S07: Deliver the acid reagent or alkali reagent for neutralization from the delivery port (41) to the sewage treatment chamber (4).