CN116282480A - A sewage sludge collaborative treatment system - Google Patents

Abstract

The invention discloses a sewage and sludge cooperative treatment system, and relates to the technical field of sewage and sludge treatment. The sewage treatment device comprises a sewage treatment tank, wherein the top surface of the sewage treatment tank is communicated with a liquid inlet pipe provided with a jet device, the feeding end of the liquid inlet pipe is communicated with a sewage pump, the liquid inlet end of the sewage pump is communicated with the bottom side of the sewage treatment tank through a water pumping pipe, the top surface of the sewage treatment tank is communicated with an exhaust pipe which is communicated with a sludge treatment tank and extends below the material surface of the sludge treatment tank, the bottom surface of the sludge treatment tank is communicated with a liquid outlet pipe which is communicated with a liquid storage tank, the bottom surface of the sewage treatment tank is communicated with a liquid outlet pipe, the water pumping pipe is also communicated with a water supply pipe, the liquid inlet end of the water supply pipe is communicated with liquid in the liquid storage tank, and a valve for controlling is arranged on the water supply pipe; so as to realize the aim of efficiently and cooperatively treating sewage and sludge.

Description

A sewage sludge collaborative treatment system

technical field

The invention relates to the technical field of sewage sludge treatment, in particular to a sewage sludge cooperative treatment system.

Background technique

Wastewater oxidation treatment method is a kind of wastewater chemical treatment method. It is a method of using strong oxidants to oxidize and decompose pollutants in wastewater to purify wastewater. It has become an important means of controlling biologically refractory organic and toxic pollutants. , Papermaking, electroplating and printed boards, pharmaceuticals, hospitals, mines, landfill leachate and other wastewater treatment have been applied.

At the same time, sludge wet oxidation refers to the use of wet oxidation method to treat sludge. Usually, the sludge is placed in a closed reactor, and air or oxygen is introduced into the oxidant under high temperature and high pressure conditions. It is used according to the principle of submerged fuel. The organic matter in the sludge is oxidatively decomposed, and the organic matter is converted into an inorganic matter, including processes such as hydrolysis, cracking and oxidation.

At present, in the process of blowing air into the sewage and using the oxygen in the air to oxidize the sewage, the noise of the air compressor is large, and the vibration of the air compressor during operation is large, which will cause environmental pollution. Greater noise pollution.

Moreover, at the present stage, sewage and sludge are treated separately, so that in the process of oxidation treatment of sewage, it is difficult to further utilize the oxygen that is not fully utilized, resulting in the process of sludge treatment and sewage treatment. , all need to blow into the oxidizing gas separately, resulting in the problem of high production cost.

Contents of the invention

The object of the present invention is to provide a sewage sludge cooperative treatment system to achieve the purpose of efficient cooperative treatment of sewage and sludge.

In order to achieve the above object, the present invention adopts the following technical means:

A sewage sludge cooperative treatment system, comprising a sewage treatment tank, the top surface of the sewage treatment tank is connected to a liquid inlet pipe provided with an ejector, the feed end of the liquid inlet pipe is connected to a sewage pump, and the liquid inlet of the sewage pump end communicates with the bottom side of the sewage treatment tank through a suction pipe, the top surface of the sewage treatment tank is communicated with an exhaust pipe, and the exhaust pipe communicates with the sludge treatment tank and extends into the sludge treatment tank Below the material level, the bottom surface of the sludge treatment tank is connected to the liquid outlet pipe, the liquid outlet pipe is connected to the liquid storage tank, the bottom surface of the sewage treatment tank is connected to a liquid discharge pipe, and the water supply pipe is also connected to the suction pipe. , the liquid inlet end of the water supply pipe communicates with the liquid in the liquid storage tank, and a valve for control is installed on the water supply pipe.

Preferably, a turning machine is provided in the sludge treatment tank, and the working end of the turning machine is in contact with the materials in the sludge treatment tank.

Further, the exhaust pipe includes an insertion pipe vertically arranged on the top surface of the sludge treatment tank, the bottom end of the insertion pipe extends into the sludge material, and is connected with a horizontally extending air outlet pipe, the One end of the air outlet pipe away from the insertion pipe is closed, and a number of aeration heads are installed on the side wall of the air outlet pipe.

Furthermore, the outlet pipe includes a base pipe horizontally connected to the insertion pipe, and one end of the base pipe facing away from the insertion pipe is connected with a distribution pipe, and the aeration head is installed on the distribution pipe. The side wall of the side wall, the outer wall of the end of the air distribution pipe facing away from the base pipe is coaxially equipped with a rotating rod, and the rotating rod extends horizontally and passes through the side wall of the sludge treatment tank and the rotating end of the first rotating motor It is coaxially connected, and the rotating rod is connected in rotation with the side wall of the sludge treatment tank.

Further, the outer wall of the air distribution pipe is provided with a thread twist piece, and the outer wall of the air distribution pipe extends along the axial direction to provide an installation channel, and the installation channel uses the outer wall of the air distribution pipe as the bottom surface, and the The threaded slices are cut and arranged, the aerator heads are arranged in the installation channel, and the aerator heads are arranged in sequence along the axis of the air distribution pipe.

Furthermore, the inner wall of the sewage treatment tank is provided with a heating system.

Furthermore, the heating system includes several annular heating fins arranged on the inner wall of the sewage treatment tank, the annular heating fins are arranged sequentially from top to bottom, and the sewage treatment tank is cylindrical.

Furthermore, a stirring device is also provided in the sewage treatment tank, and the driving system of the stirring device is arranged on the bottom outer wall of the sewage treatment tank.

Furthermore, the stirring device includes a U-shaped stirring paddle with an opening facing upwards. A rotating rod is installed at the bottom end of the U-shaped stirring paddle. The rotating rod is arranged coaxially with the sewage treatment tank, and the rotating rod The rod is rotatably connected to the sewage treatment tank, and the rotating rod protrudes out of the sewage treatment tank and is in transmission connection with the power output end of the drive system, and the drive system is a second rotating motor.

The present invention has the following beneficial effects during use:

In the process of sewage treatment, the sewage in the sewage treatment tank enters the liquid inlet pipe under the action of the sewage pump, and then under the action of the ejector, on the one hand, the sewage entering the sewage treatment tank is pressurized, on the other hand Let the external air mix into the passing sewage through the ejector, and then let the sewage entering the sewage treatment tank through the liquid inlet pipe form a gas-liquid mixed state, so that the air will form bubbles in the passing sewage and follow the sewage for transportation. On the one hand, the sewage On the other hand, the sewage carrying a large number of air bubbles can be directly below the liquid level of the sewage treatment tank from the outlet end of the liquid inlet pipe, and then discharged from the liquid inlet pipe, the sewage carrying a large number of air bubbles can be mixed into the sewage treatment In the sewage in the tank, the air bubbles are dispersed in the sewage treatment tank, so that the oxygen in the air is used to oxidize the sewage in the sewage treatment tank. Moreover, due to the limited amount of dissolved oxygen in the sewage, the unreacted oxygen can overflow above the liquid level in the sewage treatment tank, then pass through the air outlet pipe and enter the sludge treatment tank to treat the sludge. Allow oxygen to be better used;

At the same time, due to the process of using air to treat sludge, a large amount of sewage will be newly generated. If the sewage cannot be discharged from the sludge treatment tank in time, it will seriously affect the efficiency of sludge treatment. Therefore, in the sludge treatment tank The sewage generated in the sewage can enter the liquid storage tank through the liquid outlet pipe, and then after the liquid capacity in the sewage treatment tank is reduced, open the valve on the water supply pipe, which can make the liquid in the liquid storage tank under the action of the sewage pump The sewage is pumped into the liquid inlet pipe by the sewage pump through the water supply pipe, and then enters the sewage treatment tank for treatment.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the installation structure of the exhaust pipe of the present invention in the sludge treatment tank.

Fig. 3 is a schematic structural view of the insertion tube of the present invention.

FIG. 4 is a schematic top view of the structure of FIG. 3 .

Fig. 5 is a schematic structural view of the sewage treatment tank of the present invention.

Among them, 1-sewage treatment tank, 2-ejector, 3-inlet pipe, 4-sewage pump, 5-suction pipe, 6-exhaust pipe, 7-sludge treatment tank, 8-liquid outlet pipe, 9- Liquid storage tank, 10-drainage pipe, 11-water supply pipe, 12-valve, 13-turning and throwing machine, 14-insertion pipe, 15-outlet pipe, 151-base pipe, 152-air distribution pipe, 16-aeration head , 17-rotating rod, 18-the first rotating motor, 19-thread strand, 20-installation channel, 21-ring heating plate, 22-U-shaped stirring paddle, 23-the second rotating motor.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, or the orientation or positional relationship that is commonly understood by those skilled in the art. In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection, It can also be 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 intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to what is shown in Figure 1, a sewage sludge collaborative treatment system, including a sewage treatment tank 1, the top surface of the sewage treatment tank 1 communicates with a liquid inlet pipe 3 provided with a jet 2, and the inlet pipe 3 The material end is connected to the sewage pump 4, and the liquid inlet end of the sewage pump 4 is communicated with the bottom side of the sewage treatment tank 1 through the water suction pipe 5, and the top surface of the sewage treatment tank 1 is communicated with an exhaust pipe 6. The exhaust pipe 6 communicates with the sludge treatment tank 7, and extends below the material level of the sludge treatment tank 7, the bottom surface of the sludge treatment tank 7 communicates with the liquid outlet pipe 8, and the liquid outlet pipe 8 communicates with the liquid storage tank 9, the bottom surface of the sewage treatment tank 1 is connected with a drain pipe 10, and the water supply pipe 11 is also connected with the water supply pipe 5, and the liquid inlet end of the water supply pipe 11 is connected with the liquid in the liquid storage tank 9 The water supply pipe 11 is provided with a valve 12 for control.

In this way, in the process of sewage treatment, the sewage in the sewage treatment tank 1 enters the liquid inlet pipe 3 under the action of the sewage pump 4, and then under the action of the ejector 2, on the one hand, the sewage entering the sewage treatment tank 1 Pressurize, on the other hand, let the external air mix into the passing sewage through the ejector 2, and then let the sewage entering the sewage treatment tank 1 through the liquid inlet pipe 3 form a gas-liquid mixed state, and let the air form bubbles in the passing sewage The sewage is transported stably. On the one hand, the sewage is pretreated; After being discharged, the sewage with a large number of air bubbles is mixed into the sewage in the sewage treatment tank 1, and then the air bubbles are dispersed in the sewage treatment tank 1, so that the sewage in the sewage treatment tank 1 is oxidized by oxygen in the air. Moreover, due to the limited amount of dissolved oxygen in the sewage, unreacted oxygen can overflow above the liquid level in the sewage treatment tank 1, then pass through the air outlet pipe and enter the sludge treatment tank 7, thereby treating the sludge. Allow oxygen to be better used;

Simultaneously owing to utilizing air to process sludge, can produce a large amount of sewage newly, if sewage cannot be discharged from sludge treatment tank 7 in time, will seriously affect the efficiency to sludge treatment, thereby, in sludge treatment The sewage produced in the tank 7 can enter the liquid storage tank 9 through the liquid outlet pipe 8, and then after the liquid capacity in the sewage treatment tank 1 is reduced, the valve on the water supply pipe 11 is opened, which can be discharged under the action of the sewage pump 4. , let the sewage in the liquid storage tank 9 be sucked into the liquid inlet pipe 3 by the sewage pump 4 through the water supply pipe 11, and then enter the sewage treatment tank 1 for processing.

Furthermore, in conjunction with what is shown in Fig. 2 to Fig. 5, in order to allow the sludge in the sludge treatment tank 7 to be turned over so that it can better contact with the air discharged from the exhaust pipe 6, The sludge treatment tank 7 is provided with a turning machine 13 , and the working end of the turning machine 13 is in contact with the materials in the sludge treatment tank 7 .

In addition, for the exhaust pipe 6, in order to allow the air blasted into the sludge treatment box 7 to be better dispersed in the sludge treatment box 7, the exhaust pipe 6 includes a The insertion pipe 14 on the top surface of the sludge treatment box 7, the bottom end of the insertion pipe 14 extends into the sludge material, and is connected with a horizontally extending air outlet pipe 15, and the air outlet pipe 15 is far away from the end of the insertion pipe 14 Closed arrangement, the side wall of described air outlet pipe 15 is installed with several aeration heads 16.

In addition, the outlet pipe 15 includes a base pipe 151 horizontally connected to the insertion pipe 14, and the end of the base pipe 151 facing away from the insertion pipe 14 is connected with a distribution pipe 152, and the aeration head 16 is installed On the side wall of the air distribution pipe 152, a rotating rod 17 is coaxially installed on the outer wall of the end of the air distribution pipe 152 facing away from the base pipe 151, and the rotating rod 17 extends horizontally and passes through the sludge treatment tank 7 The side wall of the first rotating motor 18 is coaxially connected to the rotating end, and the rotating rod 17 is connected to the side wall of the sludge treatment tank 7 in rotation.

At the same time, the outer wall of the air distribution pipe 152 is provided with a threaded sheet 19, and the outer wall of the air distribution pipe 152 is extended along the axial direction to be provided with an installation channel 20, and the installation channel 20 uses the outer wall of the air distribution pipe 152 as a The bottom surface, and the threaded sheet 19 is cut and set, the aeration heads 16 are set in the installation channel 20 , and the aeration heads 16 are arranged in sequence along the axis of the air distribution pipe 152 .

In this way, the rotation of the first rotating motor 18 can drive the air distribution pipe 152 to rotate, and during the rotation of the air distribution pipe 152, the sludge in the sludge treatment box 7 can be stirred by using the threaded sheet 19 . In this way, the air discharged from the air distribution pipe 152 can more comprehensively contact the sludge in the sludge treatment tank 7 .

In order to facilitate the oxidation reaction of sewage, the inner wall of the sewage treatment tank 1 is provided with a heating system.

Specifically, the heating system includes several annular heating fins 21 arranged on the inner wall of the sewage treatment tank 1 , the annular heating fins 21 are arranged sequentially from top to bottom, and the sewage treatment tank 1 is cylindrical.

At the same time, the sewage treatment tank 1 is also provided with a stirring device, and the driving system of the stirring device is arranged on the bottom outer wall of the sewage treatment tank 1 .

Moreover, the stirring device includes a U-shaped stirring paddle 22 with an opening facing upwards, and a rotating rod 17 is installed at the bottom end of the U-shaped stirring paddle 22, and the rotating rod 17 is coaxially arranged with the sewage treatment tank 1, and The rotating rod 17 is rotationally connected with the sewage treatment tank 1, and the rotating rod 17 extends out of the sewage treatment tank 1 and is connected to the power output end of the driving system, which is the second rotating motor 23 .

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present invention, any modifications, equivalent replacements, improvements, etc., shall be included in the protection scope of the present invention.

Claims (9)

1. A sewage sludge cooperative treatment system is characterized in that: including sewage treatment case (1), sewage treatment case (1) top surface intercommunication is equipped with feed liquor pipe (3) of ejector (2), feed liquor pipe (3) feed end intercommunication sewage pump (4), feed liquor end of sewage pump (4) pass through drinking-water pipe (5) with sewage treatment case (1) bottom side intercommunication, sewage treatment case (1) top surface intercommunication has blast pipe (6), blast pipe (6) intercommunication mud treatment case (7), and stretches into below the charge level of mud treatment case (7), mud treatment case (7) bottom surface intercommunication drain pipe (8), drain pipe (8) intercommunication liquid reserve tank (9), sewage treatment case (1) bottom surface intercommunication has drain pipe (10), still communicate on drinking-water pipe (5) delivery pipe (11), delivery pipe (11) feed liquor end with liquid intercommunication in liquid reserve tank (9), install valve (12) that are used for control on delivery pipe (11).

2. A sewage sludge co-processing system as claimed in claim 1 wherein: the sludge treatment box (7) is internally provided with a turning machine (13), and the working end of the turning machine (13) is contacted with materials in the sludge treatment box (7).

3. A sewage sludge co-processing system as claimed in claim 1 wherein: the exhaust pipe (6) comprises an insertion pipe (14) vertically arranged on the top surface of the sludge treatment box (7), the bottom end of the insertion pipe (14) stretches into a sludge material and is communicated with an air outlet pipe (15) which extends horizontally, one end of the air outlet pipe (15) away from the insertion pipe (14) is closed, and a plurality of aeration heads (16) are arranged on the side wall of the air outlet pipe (15).

4. A pair of sewage sludge co-processing systems as claimed in claim 3 wherein: outlet duct (15) including the level set up with basic pipe (151) of insert pipe (14) intercommunication, basic pipe (151) are dorsad the one end rotation intercommunication of insert pipe (14) has gas distribution pipe (152), aeration head (16) are installed the lateral wall of gas distribution pipe (152), gas distribution pipe (152) are dorsad one end outer wall coaxial mounting of basic pipe (151) has dwang (17), dwang (17) horizontal extension just passes the lateral wall of mud treatment case (7) and the rotation end coaxial coupling of first rotation motor (18), dwang (17) with the lateral wall rotation of mud treatment case (7) is connected.

5. A sewage sludge co-processing system as claimed in claim 4 wherein: the outer wall of gas-dividing pipe (152) is equipped with screw thread hank piece (19), just the outer wall of gas-dividing pipe (152) is equipped with installation passageway (20) along its axis direction extension, installation passageway (20) with the outer wall of gas-dividing pipe (152) is as the bottom surface, and will screw thread hank piece (19) cut off the setting, aeration head (16) are located in installation passageway (20), just aeration head (16) are followed the axis of gas-dividing pipe (152) is arranged in proper order and is set up.

6. A sewage sludge co-processing system as claimed in claim 1 wherein: the inner wall of the sewage treatment box (1) is provided with a heating system.

7. A sewage sludge treatment system as claimed in claim 6 wherein: the heating system comprises a plurality of annular heating plates (21) arranged on the inner wall of the sewage treatment box (1), the annular heating plates (21) are sequentially arranged from top to bottom, and the sewage treatment box (1) is cylindrical.

8. A sewage sludge treatment system as claimed in claim 7 wherein: the sewage treatment tank (1) is internally provided with a stirring device, and a driving system of the stirring device is arranged on the outer wall of the bottom surface of the sewage treatment tank (1).

9. A sewage sludge treatment system as claimed in claim 8 wherein: the stirring device comprises a U-shaped stirring paddle (22) with an upward opening, a rotating rod (17) is arranged at the bottom end of the U-shaped stirring paddle (22), the rotating rod (17) is coaxially arranged with the sewage treatment box (1), the rotating rod (17) is rotationally connected with the sewage treatment box (1), the rotating rod (17) extends out of the sewage treatment box (1) and is in transmission connection with the power output end of a driving system, and the driving system is a second rotating motor (23).

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