Up-flow anaerobic sludge blanket reactor for anaerobic granular sludge

Abstract

The utility model relates to the technical field of anaerobic sludge bed reactors, in particular to an up-flow anaerobic sludge bed reactor for anaerobic granular sludge, which comprises a reaction box, a raw water inlet pipe is connected to the bottom of the outer side of the reaction box, a water inlet valve is mounted at the middle section of the raw water inlet pipe, a sludge bed is filled at the bottom of the inner side of the reaction box, and a water outlet valve is mounted at the bottom of the reaction box. A sludge bed is arranged in the reaction box, a three-phase separator is arranged in the reaction box and above the sludge bed, biogas discharge pipes are arranged on the left side and the right side of the top of the reaction box, and rotary motors are symmetrically arranged on the left side and the right side of the top of the reaction box. Each group of biogas discharge pipes is provided with a cleaning box structure capable of cleaning the inner wall, so that the problem of unsmooth biogas discharge caused by floating sludge caking in the biogas discharge pipes is effectively avoided, one group of biogas discharge pipes can be always kept to operate normally during cleaning, and the overall reaction efficiency is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to anaerobic sludge bed reactor technical field, concretely is a kind of for anaerobic granular sludge upflow anaerobic sludge bed reactor. BACKGROUND

[0002] Upflow anaerobic sludge bed reactor refers to wastewater through water distribution device sequentially into the sludge layer and upper sludge suspension zone in bottom, and the reaction of anaerobic microorganism in it is generated biogas, gas, liquid, solid mixed liquid is separated by upper three-phase separator, sludge falls back to sludge suspension zone, after separation, wastewater is discharged from system, while recycling biogas generated by anaerobic reactor.

[0003] The biogas discharge port of the existing upflow anaerobic sludge bed reactor is only provided with a group, and during the reaction, the floating sludge often adheres to the inner wall of the biogas discharge port and forms clumps, which reduces the effective area of the biogas discharge port and greatly affects the normal discharge of biogas.

[0004] Therefore, it is particularly important to design an upflow anaerobic sludge bed reactor for anaerobic granular sludge to change the above technical defects and improve the overall practicability. TECHNICAL SOLUTION

[0005] The utility model discloses an upflow anaerobic sludge bed reactor for anaerobic granular sludge to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An upflow anaerobic sludge bed reactor for anaerobic granular sludge, comprising a reaction box, a raw water inlet pipe is connected to the bottom of the outer side of the reaction box, a water inlet valve is installed in the middle section of the raw water inlet pipe, a sludge bed is filled in the bottom of the inner side of the reaction box, a three-phase separator is arranged in the inner part of the reaction box above the sludge bed, a biogas discharge pipe is arranged on the left and right sides of the top of the reaction box, a rotary motor is symmetrically installed on the top of the reaction box, the output end of the rotary motor penetrates through the top of the reaction box and is connected with a cleaning box, a passage cavity is formed in one side of the top of the cleaning box, a slide rail is installed on one side of the inner wall of the cleaning box, a slide seat is slidably connected to the outer side of the slide rail, a motor bracket is installed on the other side of the inner wall of the cleaning box, a forward and reverse motor is installed on the front side of the motor bracket, the output end of the forward and reverse motor penetrates through the motor bracket and is connected with a drive gear, a drive rack is connected to the outer side of the slide seat through a connecting plate, an extension rod is installed on the top of the drive rack, cleaning cotton is installed on the top of the extension rod, an electric push rod is installed on the top of the drive rack, the driving end of the electric push rod is connected with the top end of the extension rod, and a discharge amount detector is installed on the top of the inner wall of the biogas discharge pipe.

[0008] As the preferred scheme of the utility model, the side of the reaction box is provided with a controller, wherein the controller is connected with the water inlet valve, the three-phase separator, the rotary motor, the reversible motor, the electric push rod and the discharge amount detector through wires, and the connection mode is electrical connection.

[0009] As the preferred scheme of the utility model, the connection mode between the driving gear and the driving rack is meshing connection.

[0010] As the preferred scheme of the utility model, the inside of the cleaning box is filled with cleaning water, and the outside of the cleaning box is provided with a water outlet with a sealing cover.

[0011] As the preferred scheme of the utility model, the driving rack is a goose neck pipe structure made of PVC material.

[0012] As the preferred scheme of the utility model, the cleaning cotton corresponds to the positions of the channel cavity and the biogas discharge pipe, and the external structure size of the cleaning cotton is adapted to the internal structure size of the biogas discharge pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] In the utility model, the original group of biogas discharge pipes is changed into two groups by the upflow anaerobic sludge blanket reactor for anaerobic granular sludge, and each group of biogas discharge pipes is provided with a cleaning box structure capable of cleaning the inner wall, effectively avoiding the problem that the biogas discharge is not smooth due to the floating sludge agglomeration in the biogas discharge pipe, and the normal operation of one group of biogas discharge pipes is maintained during cleaning, without affecting the overall reaction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure front view of the utility model;

[0016] Fig. 2 It is the internal structure diagram of the reaction box of the utility model;

[0017] Fig. 3 It is the internal structure diagram of the cleaning box of the utility model.

[0018] In the drawing: 1, reaction box; 2, raw water inlet pipe; 201, water inlet valve; 3, sludge blanket; 4, three-phase separator; 5, biogas discharge pipe; 6, rotary motor; 7, cleaning box; 701, channel cavity; 702, slide rail; 703, slide; 704, motor support; 705, reversible motor; 706, driving gear; 707, connecting plate; 708, driving rack; 709, telescopic rod; 710, cleaning cotton; 711, electric push rod; 8, discharge amount detector. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0023] Embodiments, please refer to Figs. 1-3 The present application provides a technical solution:

[0024] The up-flow anaerobic sludge bed reactor for anaerobic granular sludge comprises a reaction box 1, a raw water inlet pipe 2 connected to the bottom of the outer side of the reaction box 1, a water inlet valve 201 installed in the middle section of the raw water inlet pipe 2, a sludge bed 3 filled in the bottom of the inner side of the reaction box 1, a three-phase separator 4 arranged in the inside of the reaction box 1 and above the sludge bed 3, a biogas discharge pipe 5 arranged on the left and right sides of the top of the reaction box 1, a rotating motor 6 symmetrically installed on the top of the reaction box 1, a cleaning box 7 connected to the output end of the rotating motor 6 and penetrating through the top of the reaction box 1, and a discharge amount detector 8 installed on the top inner wall of the biogas discharge pipe 5.

[0025] The inside of the cleaning box 7 is filled with cleaning water for cleaning the rear cleaning cotton 710, and the outside of the cleaning box 7 is provided with a water nozzle with a sealing cover for replacing the cleaning water.

[0026] In this embodiment, please refer to Fig. 3 A channel cavity 701 is formed on one side of the top of the cleaning box 7, a slide rail 702 is installed on one side of the inner wall of the cleaning box 7, a slide base 703 is connected to the outside of the slide rail 702 in a sliding manner, a motor support 704 is installed on the other side of the inner wall of the cleaning box 7, a forward-reverse motor 705 is installed on the front side of the motor support 704, a drive gear 706 is connected to the output end of the forward-reverse motor 705 and penetrates through the motor support 704, a drive rack 708 is connected to the outside of the slide base 703 through a connecting plate 707, an extension rod 709 is installed on the top of the drive rack 708, a cleaning cotton 710 is installed on the top of the extension rod 709, an electric push rod 711 is installed on the top of the drive rack 708, and the driving end of the electric push rod 711 is connected to the top end of the extension rod 709.

[0027] The controller is connected to the water inlet valve 201, the three-phase separator 4, the rotary motor 6, the forward-reverse motor 705, the electric push rod 711, and the discharge amount detector 8 through wires in an electrical connection manner, the drive gear 706 and the drive rack 708 are connected in an engagement connection manner, the drive rack 708 is made of PVC material in a goose neck pipe structure, which is convenient for expansion and cooperation, the cleaning cotton 710 corresponds to the positions of the channel cavity 701 and the biogas discharge pipe 5, and the size of the external structure of the cleaning cotton 710 is adapted to the size of the internal structure of the biogas discharge pipe 5, so that the rear cleaning cotton 710 can clean the inside of the rear cleaning cotton 710.

[0028] The utility model discloses a work flow: when using, the discharge detector 8 will carry out real -time monitoring to the discharge of marsh gas discharge pipe 5, when the discharge of a group marsh gas discharge pipe 5 is not up to standard or is not in normal range, will start rotating motor 6 and drive cleaning box 7 to carry out 180 rotation, make clean cotton 710 with the position of marsh gas discharge pipe 5 correspond, then positive and negative motor 705 start and drive the rotation of a drive gear 706, under the cooperation of slide rail 702 and slide base 703 drive drive rack 708 and move upwards, make clean cotton 710 extend the passageway cavity 701 and reach the inside of marsh gas discharge pipe 5, clean cotton 710 soaked in liquid moves up and down under the cooperation of electric push rod 711 and telescopic rod 709 at this moment, clean the inside of marsh gas discharge pipe 5, brush off the floating sludge agglomerate, and clean cotton 710 is retracted to cleaning box 7 after success, and is soaked and cleaned in cleaning water, the reactor changes the original one group marsh gas discharge pipe to two groups, and is equipped with the cleaning box structure that can clean the inner wall for every group marsh gas discharge pipe, effectively avoid the problem that marsh gas discharge pipe inside is caused because of floating sludge agglomerate and leads to marsh gas discharge not to be smooth, and always keep a group marsh gas discharge pipe can normally run when cleaning, do not affect the overall reaction efficiency.

[0029] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An upflow anaerobic sludge blanket reactor for anaerobic granular sludge comprising a reactor tank (1), characterized in that: The bottom of the outside of the reaction box (1) is connected with the raw water inlet pipe (2), the middle section of the raw water inlet pipe (2) is provided with an inlet valve (201), the inside of the reaction box (1) is filled with a sludge bed (3), the inside of the reaction box (1) and above the sludge bed (3) is provided with a three-phase separator (4), the top of the reaction box (1) is provided with a biogas discharge pipe (5) on the left and right sides, the top of the reaction box (1) is symmetrically provided with a rotating motor (6), the output end of the rotating motor (6) penetrates the top of the reaction box (1) and is connected with a cleaning box (7), one side of the top of the cleaning box (7) is provided with a channel cavity (701), one side of the inner wall of the cleaning box (7) is provided with a sliding rail (702), the outer side of the sliding rail (702) is slidably connected with a sliding seat (703), the other side of the inner wall of the cleaning box (7) is provided with a motor support (704), the front side of the motor support (704) is provided with a forward and reverse motor (705), the output end of the forward and reverse motor (705) penetrates the motor support (704) and is connected with a drive gear (706), the outer side of the sliding seat (703) is connected with a drive rack (708) through a connecting plate (707), the top of the drive rack (708) is provided with a telescopic rod (709), the top of the telescopic rod (709) is provided with cleaning cotton (710), the top of the drive rack (708) is provided with an electric push rod (711), the driving end of the electric push rod (711) is connected with the top end of the telescopic rod (709), the top of the inner wall of the biogas discharge pipe (5) is provided with a discharge amount detector (8).

2. The upflow anaerobic sludge blanket reactor for anaerobic granular sludge according to claim 1, characterized in that: The side of the reaction box (1) is provided with a controller, wherein the controller is connected with the inlet valve (201), the three-phase separator (4), the rotating motor (6), the forward and reverse motor (705), the electric push rod (711) and the discharge amount detector (8) through wires, and the connection mode is electrical connection.

3. The upflow anaerobic sludge blanket reactor for anaerobic granular sludge according to claim 1, characterized in that: The connection mode between the drive gear (706) and the drive rack (708) is meshing connection.

4. The upflow anaerobic sludge blanket reactor for anaerobic granular sludge according to claim 1, characterized in that: The inside of the cleaning box (7) is filled with cleaning water, and the outside of the cleaning box (7) is provided with a water nozzle with a sealing cover.

5. The upflow anaerobic sludge blanket reactor for anaerobic granular sludge according to claim 1, characterized in that: The drive rack (708) is a goose neck pipe structure made of PVC material.

6. The upflow anaerobic sludge blanket reactor for anaerobic granular sludge according to claim 1, characterized in that: The cleaning cotton (710) corresponds to the positions of the channel cavity (701) and the biogas discharge pipe (5) respectively, and the outer structure size of the cleaning cotton (710) is adapted to the inner structure size of the biogas discharge pipe (5).

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