CN211357849U

CN211357849U - Sludge discharge device for sewage treatment

Info

Publication number: CN211357849U
Application number: CN201922350691.9U
Authority: CN
Inventors: 赵凯; 宋向华; 赵宏波; 李江龙; 蔡崇
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-08-28
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a sludge discharge device for sewage treatment, which comprises a sedimentation tank, a sludge scraping plate, an air-lift sludge discharge pump and a pneumatic vibrator, wherein the sludge scraping plate is fixedly arranged between electric slide rails through a clamping joint, one end of the sludge discharge pipe, which is far away from a sludge discharge channel, is fixedly provided with the air-lift sludge discharge pump through a pipe joint, and the pneumatic vibrator is fixedly arranged at the bottom of the sedimentation tank through a buckle corresponding to the outer side of the air-lift sludge discharge pump, resulting in unclean sludge being pumped by the air stripping sludge pump.

Description

Sludge discharge device for sewage treatment

Technical Field

The utility model relates to the technical field of water treatment and sewage purification, in particular to a sludge discharge device for sewage treatment.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, the sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and increasingly enters the daily life of common people, the sewage treatment equipment is industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, the sewage and pollutants are prevented from directly flowing into a water area, the sewage treatment equipment has important significance for improving the ecological environment, improving the urban grade and promoting the economic development, various industrial wastewater in a sewage treatment project is treated by adopting a physical, chemical or biological method to finally form solid-liquid separation form between water and solid matters in the water, the treated water can be discharged or recycled, and the remaining solid matters are precipitated to form sludge, the settled sludge needs to be subjected to sludge discharge treatment, and in a sewage treatment project, particularly in an aeration sedimentation system, the normal operation of a biochemical system can be influenced by too much sludge or too long sludge storage.

However, the conventional sludge discharge device for sewage treatment has some disadvantages in the using process, such as:

1. traditional sludge discharge device for sewage treatment mixes the sediment with the floccule and the mud in the sewage when using usually, and the floccule in the mud after the sediment can the adhesion on the pipe wall when the mud pipe that arranges, causes the mud pipe jam as a long time, and the sludge discharge device inefficacy.

2. Traditional sludge discharge device for sewage treatment is when using the air lift sludge pump to arrange mud, and the air lift sludge pump is not totally extracted to the mud that the sedimentation tank bottom is depositd, leads to there being mud residue bottom the sedimentation tank.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment is with arranging mud device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sludge discharge device for sewage treatment comprises a sedimentation tank, sludge scrapers, an air-lift sludge discharge pump and a pneumatic vibrator, wherein a water outlet is formed in one side of the bottom of the sedimentation tank, electric slide rails are fixedly mounted on two sides of the sedimentation tank through bolts, the sludge scrapers are fixedly mounted between the electric slide rails through clamping, a sludge discharge channel is built in the center of the sedimentation tank through cement, the top surface of the sludge discharge channel is 10-15cm higher than the top of the sedimentation tank, a receding groove is formed in the upper portion of the sludge discharge channel corresponding to each sludge scraper, the bottom of the sludge scrapers corresponding to two sides of the sludge discharge channel is fixedly provided with sludge scraper teeth through welding, a sludge discharge pipe is fixedly mounted at the bottom of the sludge discharge channel through a pipe connector, a splash guard is fixedly mounted at the top of the sludge discharge pipe through a support, the end, far away from the sludge discharge channel, of each sludge discharge pipe is fixedly provided with the air-lift sludge discharge pump through a pipe connector, a, the pneumatic mud pump is characterized in that a mud outlet pipe is fixedly mounted on one side of the bottom of the mud discharge channel through a pipe connector, a pneumatic vibrator is fixedly mounted on the bottom of the sedimentation tank corresponding to the outer side of the air-lift mud pump through a buckle, a pressure air pipe is fixedly mounted on the bottom of the sedimentation tank corresponding to the outer side of the pneumatic vibrator through a pipe connector, and a check valve is fixedly mounted on the pressure air pipe through a pipe connector.

Furthermore, a one-way valve is fixedly mounted on the air inlet pipe of the air stripping mud pump through a pipe connector and used for preventing compressed air from flowing back.

Furthermore, the scraper blade teeth extend into the top surface of the sedimentation tank by 5-10cm and are used for collecting floating objects in the sedimentation tank together.

Furthermore, the sedimentation tank is funnel-shaped and is used for settling sludge at the bottom of the funnel, so that the sludge can be conveniently and intensively extracted.

Furthermore, the sludge outlet pipe penetrates through the sedimentation tank and extends out of the sedimentation tank, so that sludge can be conveyed out of the sedimentation tank conveniently.

Furthermore, the splash guard is 1-2cm lower than the top of the mud discharge channel, so that the movement interference of the mud scraper is prevented.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a mud scraper and the scraper blade tooth that set up on the sedimentation tank for back process pneumatic vibrator's vibration stirring makes the flocculent floater in the sewage separate with mud in the sewage gets into the sedimentation tank, floats to the sedimentation tank on, concentrates the back through the mud scraper and takes off, prevents that the flocculent floater from getting into the pipeline and causing the pipe blockage.

2. The utility model discloses a pneumatic vibrator who sets up has realized that the in-process of air stripping dredge pump extraction mud will deposit the sludge water after the stirring of vibrating, prevents that mud from caking in the sedimentation tank bottom, leads to air stripping dredge pump extraction unclean mud.

Drawings

FIG. 1 is a schematic sectional view of the overall front view structure of the present invention;

FIG. 2 is a schematic sectional view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

fig. 4 is a schematic sectional view of the connection structure of the pneumatic vibrator of the present invention.

In FIGS. 1-4: 1-a sedimentation tank; 2-an electric slide rail; 3-a mud scraper; 4-a mud discharge channel; 5-a splash guard; 6-a sludge discharge pipe; 7-scraper teeth; 8-a mud outlet pipe; 9-air inlet pipe of air stripping mud pump; 10-gas stripping mud pump; 11-a pneumatic vibrator; 12-a one-way valve; 13-compressing the air pipe; 14-water outlet.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a sludge discharge device for sewage treatment comprises a sedimentation tank 1, sludge scraping plates 3, an air stripping sludge discharge pump 10 and a pneumatic vibrator 11, wherein one side of the bottom of the sedimentation tank 1 is provided with a water outlet 14 for discharging precipitated sewage through the water outlet after the sewage is precipitated, two sides of the sedimentation tank 1 are fixedly provided with electric slide rails 2 through bolts, the sludge scraping plates 3 are fixedly arranged between the electric slide rails 2 through clamping and connecting and are used for centralizing floaters in the sewage, a sludge discharge channel 4 is arranged in the center of the sedimentation tank 1 through cement and is used for storing and discharging sludge, the top surface of the sludge discharge channel 4 is 10-15cm higher than the top of the sedimentation tank 1 and is used for preventing the sewage from pouring into the sludge discharge channel 4, a receding groove is arranged above the sludge discharge channel 4 corresponding to the sludge scraping plates 3, the sludge scraping plates 3 can conveniently move freely on the electric slide rails 2, the sludge scraping plates 3 are fixedly provided with sludge scraping plate teeth 7 corresponding to the bottoms of two sides of, the sludge discharge device is convenient for collecting floaters, the bottom of the sludge discharge channel 4 is fixedly provided with a sludge discharge pipe 6 through a pipe connector for facilitating sludge extraction, the top of the sludge discharge pipe 6 is fixedly provided with a splash guard 5 through a bracket for preventing sludge from splashing, one end of the sludge discharge pipe 6 far away from the sludge discharge channel 4 is fixedly provided with an air-lift sludge discharge pump 10 through a pipe connector, one side above the air-lift sludge discharge pump 10 is fixedly provided with an air-lift sludge discharge pump air inlet pipe 9 through a pipe connector for facilitating sludge extraction from the bottom of the sedimentation tank 1 into the sludge discharge channel 4, one side of the bottom of the sludge discharge channel 4 is fixedly provided with a sludge outlet pipe 8 through a pipe connector for facilitating sludge discharge, the bottom of the sedimentation tank 1 is fixedly provided with a pneumatic vibrator 11 through a buckle corresponding to the outer side of the air-lift sludge discharge pump 10, the bottom of the sedimentation tank 1 is fixedly provided with a pressure pipe 13 through a pipe connector, a vibrate when sewage gets into sedimentation tank 1 and make floater and mud separation in the sewage, be used for scattering the mud vibration when extracting mud simultaneously, prevent that the mud caking from resulting in the extraction difficulty.

A one-way valve is fixedly mounted on an air inlet pipe 9 of the air stripping mud pump through a pipe connector and used for preventing compressed air from flowing back, scraper teeth 7 extend into the top surface of a sedimentation tank 1 by 5-10cm and are used for collecting floaters in the sedimentation tank 1 together, the sedimentation tank 1 is funnel-shaped and facilitates concentrated extraction of sludge, a mud outlet pipe 8 penetrates through the sedimentation tank 1 and extends out of the sedimentation tank, so that sludge is conveyed out of the sedimentation tank 1, a splash guard 5 is lower than the top of a mud discharge channel 4 by 1-2cm, and the movement interference of a mud scraper 3 is prevented.

The working principle is as follows: when the pneumatic sludge settling tank is used, sewage is placed into the settling tank 1, the check valve 12 is opened to enable the pneumatic vibrator 11 to work, the sewage is fully oscillated to enable flocculent floating objects in the sewage to be separated from sludge and float above the settling tank 1, the electric slide rail 2 is simultaneously opened to enable the mud scraping plate 3 to move back and forth on the settling tank 1, the flocculent floating objects are collected to enable the flocculent floating objects to be gathered together, the floating objects are fished out through manual slag skimming, then the check valve 12 is closed to enable the pneumatic vibrator 11 to stop working, after a period of time, the sludge is settled to the bottom of the settling tank, the water outlet 14 is opened to enable the settled sewage to flow out of the settling tank 1, the water outlet 14 is closed after the sewage is completely drained, the pneumatic vibrator 11 and the gas sludge discharge pump 10 are opened to enable the sludge at the bottom of the settling tank to be vibrated and scattered, and simultaneously the gas sludge discharge pump 10 pumps the scattered, and the sludge is transported out of the sedimentation tank 1 through a sludge outlet pipe 8, and the whole sludge discharging process is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a sludge discharge device for sewage treatment, includes sedimentation tank (1), mud scraper (3), air stripping dredge pump (10) and pneumatic vibrator (11), delivery port (14) have been seted up to sedimentation tank (1) bottom one side, there are electronic slide rail (2), its characterized in that in sedimentation tank (1) both sides through bolt fixed mounting: the mud discharging device is characterized in that mud scraping plates (3) are fixedly mounted between the electric sliding rails (2) through clamping, a mud discharging channel (4) is built in the center of the sedimentation tank (1) through cement, the top surface of the mud discharging channel (4) is 10-15cm higher than the top of the sedimentation tank (1), a retreating groove is formed in the corresponding position of the mud discharging channel (4) of the mud scraping plates (3), scraping plate teeth (7) are fixedly mounted at the bottoms of two sides of the mud discharging channel (4) through welding, a mud discharging pipe (6) is fixedly mounted at the bottom of the mud discharging channel (4) through a pipe connector, a splash guard (5) is fixedly mounted at the top of the mud discharging pipe (6) through a support, an air lifting mud discharging pump (10) is fixedly mounted at one end, far away from the mud discharging channel (4), of the mud discharging pipe (6), an air lifting mud discharging pump air inlet pipe (9) is fixedly mounted at one side of the upper side of the air lifting, mud discharging channel (4) bottom one side has a mud outlet pipe (8) through pipe connector fixed mounting, there are pneumatic vibrator (11) through buckle fixed mounting in sedimentation tank (1) bottom corresponding air stripping mud pump (10) outside, there are air compression pipe (13) in sedimentation tank (1) bottom corresponding pneumatic vibrator (11) outside through pipe connector fixed mounting, there are check valve (12) through pipe connector fixed mounting on air compression pipe (13).

2. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: and a one-way valve is fixedly arranged on the air inlet pipe (9) of the air stripping dredge pump through a pipe connector.

3. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the scraper teeth (7) extend into the top surface of the sedimentation tank (1) by 5-10 cm.

4. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the sedimentation tank (1) is funnel-shaped.

5. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the mud outlet pipe (8) penetrates through the sedimentation tank (1) and extends out of the sedimentation tank.

6. The sludge discharging device for sewage treatment as claimed in claim 1, wherein: the splash guard (5) is 1-2cm lower than the top of the mud discharge channel (4).