CN213708070U

CN213708070U - Novel processing system of large-scale textile printing and dyeing industry garden waste water

Info

Publication number: CN213708070U
Application number: CN202120972148.7U
Authority: CN
Inventors: 陈高飞; 李湘; 袁玎; 胡华; 朱卫华
Original assignee: Xinjiang Huahong Technology Co ltd
Current assignee: Xinjiang Huahong Technology Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-07-16
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a novel treatment system for large-scale textile printing and dyeing industry garden wastewater in the technical field of wastewater treatment, the lower side wall of a pretreatment tank is obliquely arranged, the oblique side wall of the pretreatment tank enables wall-hanging sludge to gather at the bottom of a tank body, the bottom wall of the pretreatment tank is an arc-shaped wall which is beneficial to gathering the sludge and prevents the sludge from being excessively dispersed on the bottom wall of the pretreatment tank, a plurality of flow baffle plates form a plurality of water flow channels which are sequentially communicated inside the pretreatment tank, the wastewater enters from an inlet of the pretreatment tank, the wastewater enters an interception area through the plurality of water flow channels, residual large particles in the wastewater are intercepted in the interception area and are discharged through a discharge port, a sludge suction disc is arranged in a sedimentation area of the pretreatment tank, the sludge gathered in the sedimentation area is sucked out along the sludge suction disc and a connecting pipe through the operation of a sludge pump, in the system, the pretreatment part has, can relatively thoroughly remove mud materials in the wastewater and provide guarantee for the normal operation of subsequent processes and equipment.

Description

Novel processing system of large-scale textile printing and dyeing industry garden waste water

Technical Field

The utility model relates to a waste water treatment technical field, specific field is a novel processing system of large-scale textile printing and dyeing industry garden waste water.

Background

The textile wastewater is mainly wastewater containing natural impurities, fat, starch and other organic matters generated in the processes of raw material cooking, rinsing, bleaching, sizing and the like. The printing and dyeing wastewater is generated in a plurality of working procedures such as washing, dyeing, printing, sizing and the like, contains a large amount of organic matters such as dye, starch, cellulose, lignin, detergent and the like, and inorganic matters such as alkali, sulfide, various salts and the like, and has strong pollution. The textile printing and dyeing industry is an industrial sewage discharge household, and sewage mainly contains dirt, grease and salts on textile fibers and various sizing agents, dyes, surfactants, auxiliaries, acid and alkali and the like added in the processing process.

The existing treatment method of the printing and dyeing wastewater for the textile is to firstly pretreat the printing and dyeing wastewater, then reach the discharge standard after biological treatment and advanced treatment, and finally discharge the wastewater, and at the pretreatment stage, pollutants which may influence the normal operation of subsequent processes and equipment in the wastewater need to be removed in advance to ensure the smooth operation of the subsequent treatment. However, the pretreatment part in the existing wastewater treatment system has poor precipitation effect on wastewater, so that mud still exists in the wastewater, and the normal operation of subsequent processes and equipment is influenced, and therefore, the novel wastewater treatment system for the large-scale textile printing and dyeing industry park is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel processing system of large-scale textile printing and dyeing industry garden waste water to solve the problem of mentioning in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel treatment system for large-scale waste water in a textile printing and dyeing industry park comprises a pretreatment tank, wherein the lower side wall of the pretreatment tank is obliquely arranged, the oblique side wall of the pretreatment tank enables wall-hanging sludge to gather at the bottom of a tank body, the bottom wall of the pretreatment tank is an arc-shaped wall, the oblique side wall and the arc-shaped bottom wall of the pretreatment tank jointly form a settling zone of the pretreatment tank, the oblique side wall and the upper wall of the pretreatment tank are alternately provided with flow baffles, the flow baffles form a plurality of water flow channels which are sequentially communicated inside the pretreatment tank, one side in the pretreatment tank is provided with an interception zone, waste water enters the interception zone through the plurality of water flow channels, residual large particles in the waste water are intercepted in the interception zone and are discharged through a discharge port, a sludge suction disc is arranged in the settling zone of the pretreatment tank, and the outlet of the sludge suction disc is connected with a connecting pipe, the connecting pipe is provided with a mud pump, and the discharge port end of the pretreatment tank is connected with the biological treatment area.

Preferably, the peripheral side wall of mud suction disc is the slope setting, all be provided with the mud suction disc on the slope lateral wall in preliminary treatment pond and the arc diapire, the peripheral side wall of mud suction disc with correspond the slope lateral wall or the arc diapire in close contact with in preliminary treatment pond.

Preferably, the mud sucking disc is an elastic rubber disc body.

Preferably, the interception district includes the connecting plate, the one end of connecting plate with the upper wall fixed connection in preliminary treatment pond, the other end integrated into one piece of connecting plate is connected with the concurrent flow board, the connecting plate with be provided with the interception net between the lateral wall in preliminary treatment pond, waste water is in concurrent flow board and avris the regional cohesion that the baffling board is constituteed flows through the interception net, surplus large particles thing quilt in the waste water the interception of interception net.

Preferably, a stirrer is arranged in the water flow channel.

Compared with the prior art, the beneficial effects of the utility model are that: the lower side wall of the pretreatment tank is obliquely arranged, the oblique side wall of the pretreatment tank enables wall-hanging sludge to be gathered at the bottom of the tank body, the bottom wall of the pretreatment tank is an arc-shaped wall, the arc-shaped wall is favorable for sludge gathering, the sludge is prevented from being excessively dispersed on the bottom wall of the pretreatment tank, uniform adsorption treatment can be performed on the gathered sludge, the sludge is convenient to clean, the oblique side wall and the arc-shaped bottom wall of the pretreatment tank jointly form a settling zone of the pretreatment tank, the settling zone is favorable for sludge gathering, baffle plates are arranged on the oblique side wall and the upper wall of the pretreatment tank in a staggered mode, a plurality of water flow channels which are sequentially communicated are formed in the pretreatment tank, an interception zone is arranged on one side in the pretreatment tank, wastewater enters from an inlet of the pretreatment tank and enters the interception zone through the plurality of water flow channels, residual large particles in the wastewater are intercepted in the interception zone and discharged through, the export of suction dredge dish is connected with the connecting pipe, installs the dredge pump on the connecting pipe, through dredge pump work, with the mud of gathering in the settling zone along suction dredge dish and connecting pipe suction, the discharge port end in preliminary treatment pond is connected with biological treatment district, and in this system, the preliminary treatment part is good to waste water sedimentation effect, and the mud material that exists in the clearance waste water that can be thorough relatively provides the guarantee for follow-up technology and equipment normal operating.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a top view of the mud sucking disc of the present invention;

FIG. 3 is a cross-sectional view of the mud sucking disc of the present invention;

FIG. 4 is a flow chart of the HBF process of the present invention;

FIG. 5 is a process flow diagram of the subsequent treatment (biological treatment zone, sludge treatment zone and advanced treatment zone) of the wastewater of the present invention.

In the figure: 1-a pretreatment tank, 2-a flow baffle, 3-a water flow channel, 4-an interception area, 401-a connecting plate, 402-a downstream plate, 403-an interception net, 5-a mud sucking disc, 6-a connecting pipe, 7-a mud pump and 8-a stirrer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and back) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical direction of the present invention is not limited thereto.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a novel treatment system for large-scale waste water in a textile printing and dyeing industry park comprises a pretreatment tank 1, wherein the lower side wall of the pretreatment tank 1 is obliquely arranged, the oblique side wall of the pretreatment tank 1 enables wall-hanging sludge to be gathered at the bottom of a tank body, the bottom wall of the pretreatment tank 1 is an arc-shaped wall which is beneficial to sludge gathering and prevents the sludge from being excessively dispersed on the bottom wall of the pretreatment tank, the gathered sludge can be subjected to uniform adsorption treatment, the cleaning is convenient, the oblique side wall and the arc-shaped bottom wall of the pretreatment tank 1 jointly form a settling zone of the pretreatment tank 1, the settling zone is beneficial to sludge gathering, the oblique side wall and the upper wall of the pretreatment tank 1 are alternately provided with flow baffle plates 2, a plurality of flow baffle plates 2 form a plurality of water flow channels 3 which are sequentially communicated in the pretreatment tank 1, and one side in the pretreatment tank 1 is provided with an interception zone, waste water by pretreatment tank 1's entry gets into, and waste water is through a plurality of 3 entering of rivers passageway interception district 4, the surplus large particles thing in the waste water is intercepted in interception district 4, discharge through the discharge port, be provided with suction disc 5 in pretreatment tank 1's the settling zone, suction disc 5's export is connected with connecting pipe 6, install dredge pump 7 on the connecting pipe 6, through dredge pump 7 work is followed the mud of gathering in the settling zone suction disc 5 with 6 aspirations of connecting pipe, pretreatment tank 1's discharge port end is connected with the biological treatment district, and in this system, pretreatment portion is good to waste water sedimentation effect, and the mud material that exists in the clear away waste water that can be thorough relatively provides the guarantee for follow-up technology and equipment normal operating.

In the biological treatment zone:

the anaerobic process can be selected from UASB, IC and EGSB according to the requirement. Wherein, the IC and EGSB process is a third-generation anaerobic reactor, both the IC and EGSB process can form granular sludge with higher activity, the treatment load of the reactor is higher, the reactor can have higher ascending flow velocity, the height-diameter ratio is higher, the tower body can be more than 20m, and the occupied land can be saved. IC and EGSB are mainly used in large-scale wastewater treatment engineering with stable water quality and good biodegradability. However, in the project, the wastewater contains certain toxic and harmful substances, the quality of the wastewater also changes to a certain extent along with the change of products, the toxic and harmful substances and the change of the water quality easily cause the impact of the reactor, so that the granular sludge is disintegrated, finally, the strains are lost under the condition of high rising flow rate, and then the operation of the reactor fails. Therefore, the anaerobic part of the engineering is preferably an anaerobic reactor which has lower load, stronger impact load resistance and stable operation. The UASB second-generation anaerobic reactor has good adaptability to various waste water, is particularly suitable for waste water treatment projects with large water quality change, and has good effect in a plurality of domestic projects, so the UASB reactor is selected as the anaerobic part of the project. The biogas generated by the UASB can be recycled for a biogas boiler or biogas power generation after being collected and purified.

According to the requirement, an aerobic process comprising an HBF process can be selected, the traditional activated sludge method is an aerobic treatment process which is most widely applied in the world, but the process has the problems of easy sludge expansion, low oxygen utilization rate, large sludge yield, low treatment load and poor quality of treated effluent compared with a biomembrane method. The engineering wastewater has higher effluent requirement, and a process with larger treatment depth is selected. The HBF process is a novel wastewater treatment process which is developed on the basis of an AO activated sludge process, combines the advantages of a biofilm process and is based on biological reaction kinetics, a static solid-liquid separation principle and reasonable hydraulic conditions and has the excellent characteristics of simple system composition, flexible operation, good reliability and the like. The separation advantage of the novel enzyme floating filler is combined, the original continuous flow secondary sedimentation tank with larger occupied area is optimized into an alternative water outlet sequence batch inclined plate sedimentation tank, the water quality of the outlet water is improved and the occupied area is saved through standing sedimentation and inclined plate filtration before the outlet water, and the method is particularly suitable for wastewater treatment engineering with small occupied area and high treatment requirement.

Wherein the subsequent process comprises the following steps:

advanced treatment area and reuse water section: mainly comprises a deep treatment workshop, a lift pump room, an ozone contact tank, an ozone equipment room, an aeration biological filter, a clean water tank, a water suction well, a water inlet pump room, a wastewater adjusting tank and the like.

If the drainage index is further reduced and reaches or exceeds the drainage standard, advanced treatment is carried out. The selection of the advanced treatment process is determined after comprehensive consideration of the current sewage treatment process, the quality of inlet water, the requirement of outlet water, meteorological environment conditions, technical management level, engineering geology and other factors. According to the design of the water quality of inlet water and outlet water, a proper treatment process flow is selected to reduce the treatment cost, improve the economic benefit and ensure safe and reliable water outlet.

A sludge treatment area: mainly arranges a sludge concentration tank, a sludge storage tank, a sludge dewatering machine room, a biological deodorization room and the like.

Particularly, the week lateral wall of mud sucking disc 5 is the slope setting, all be provided with mud sucking disc 5 on the slope lateral wall of preliminary treatment pond 1 and the arc diapire, the week lateral wall of mud sucking disc 5 with correspond preliminary treatment pond 1's slope lateral wall or arc diapire in close contact with, through dredge pump 7 work, mud along week lateral wall of mud sucking disc 5 gets into extremely connecting pipe 6, then outside the discharge system.

Particularly, the mud sucking disc 5 is an elastic rubber disc body, and the rubber disc body is easier to be in close contact with the wall surface of the pretreatment tank 1.

Particularly, intercepting region 4 includes connecting plate 401, connecting plate 401 one end with the upper wall fixed connection of preliminary treatment pond 1, connecting plate 401's other end integrated into one piece is connected with downstream board 402, connecting plate 401 with be provided with intercepting net 403 between preliminary treatment pond 1's the lateral wall, waste water is in downstream board 402 and avris regional gathering that the board 2 of baffling is constituteed flows through intercepting net 403, the remaining big particulate matter in the waste water is by intercepting net 403 intercepts.

Particularly, set up agitator 8 in rivers passageway 3, agitator 8 sets up and is used for stirring flocculating agent and waste water, makes flocculating agent and waste water misce bene, does benefit to flocculating agent full play flocculation in waste water, subsides harmful substance in the waste water.

The working principle is as follows: the lower side wall of the pretreatment tank 1 is obliquely arranged, the oblique side wall of the pretreatment tank 1 enables wall-hanging sludge to gather at the bottom of the tank body, the bottom wall of the pretreatment tank 1 is an arc-shaped wall which is beneficial to sludge gathering and prevents the sludge from being excessively dispersed on the bottom wall of the pretreatment tank, uniform adsorption treatment can be carried out on the gathered sludge, the pretreatment tank is convenient to clean, the oblique side wall of the pretreatment tank 1 and the arc-shaped bottom wall jointly form a settling zone of the pretreatment tank 1, the settling zone is beneficial to sludge gathering, baffle plates 2 are arranged on the oblique side wall and the upper wall of the pretreatment tank 1 in a staggered mode, a plurality of water flow channels 3 which are sequentially communicated are formed inside the pretreatment tank 1 by the baffle plates 2, an interception zone 4 is arranged on one side inside the pretreatment tank 1, wastewater enters from an inlet of the pretreatment tank 1 and enters the interception zone 4 through the water flow channels 3, and residual large particles, the sewage is discharged through a discharge port, a sludge sucking disc 5 is arranged in a settling zone of the pretreatment tank 1, an outlet of the sludge sucking disc 5 is connected with a connecting pipe 6, a sludge pump 7 is installed on the connecting pipe 6, the sludge sucking disc 5 and the connecting pipe 6 are sucked out of the sludge gathered in the settling zone along the sludge sucking disc 5 through the operation of the sludge pump 7, a discharge port end of the pretreatment tank 1 is connected with a biological treatment zone, and in the system, a pretreatment part has a good wastewater settling effect, can relatively thoroughly remove sludge existing in wastewater, and provides guarantee for the normal operation of subsequent processes and equipment.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel processing system of large-scale textile printing and dyeing industry garden waste water which characterized in that: including preliminary treatment pond (1), the lower part lateral wall of preliminary treatment pond (1) is the slope setting, the slope lateral wall of preliminary treatment pond (1) makes wall built-up mud gather in the cell body bottom, the diapire of preliminary treatment pond (1) is the arc wall, the slope lateral wall and the arc diapire of preliminary treatment pond (1) constitute jointly the settling zone of preliminary treatment pond (1), the slope lateral wall and the upper wall of preliminary treatment pond (1) are crisscross to be provided with and keep off a plurality of board (2), and a plurality of board (2) are kept off in the inside of preliminary treatment pond (1) constitutes a plurality of rivers passageway (3) that communicate in proper order, one side is provided with interception district (4) in preliminary treatment pond (1), and waste water is through a plurality of rivers passageway (3) get into interception district (4), and remaining big particulate matter is intercepted in waste water in interception district (4), discharges through the discharge port, be provided with in the settling zone of preliminary treatment pond (1) and inhale mud dish (5), the export of inhaling mud dish (5) is connected with connecting pipe (6), install dredge pump (7) on connecting pipe (6), the discharge port end of preliminary treatment pond (1) is connected with the biological treatment district.

2. The novel large-scale treatment system for the wastewater in the textile printing and dyeing industry park, as claimed in claim 1, is characterized in that: the utility model discloses a pretreatment tank, including pretreatment tank (1), the slope lateral wall of suction dredge dish (5) is the slope setting, all be provided with suction dredge dish (5) on the slope lateral wall of pretreatment tank (1) and the arc diapire, the all lateral walls of suction dredge dish (5) and corresponding the slope lateral wall or the arc diapire in close contact with of pretreatment tank (1).

3. The novel large-scale treatment system for the wastewater in the textile printing and dyeing industry park, as claimed in claim 2, is characterized in that: the mud sucking disc (5) is an elastic rubber disc body.

4. The novel large-scale treatment system for the wastewater in the textile printing and dyeing industry park, as claimed in claim 3, is characterized in that: intercepting region (4) are including connecting plate (401), the one end of connecting plate (401) with the upper wall fixed connection of preliminary treatment pond (1), the other end integrated into one piece of connecting plate (401) is connected with downstream board (402), connecting plate (401) with be provided with intercepting net (403) between the lateral wall of preliminary treatment pond (1), waste water is in downstream board (402) and avris regional cohesion of baffling board (2) constitution flows through intercepting net (403), remaining large particles quilt in the waste water intercepting net (403) are intercepted.

5. The novel large-scale treatment system for the wastewater in the textile printing and dyeing industry park, as recited in any one of claims 1 to 4, is characterized in that: and a stirrer (8) is arranged in the water flow channel (3).