CN-122010202-A - Sewage pretreatment modularized solid-liquid separation system

CN122010202ACN 122010202 ACN122010202 ACN 122010202ACN-122010202-A

Abstract

The invention relates to the technical field of sewage separation, in particular to a modularized solid-liquid separation system for sewage pretreatment, which comprises a plurality of separation modules, separation tanks, a liquid inlet, a recovery tank and waste tanks, wherein the separation tanks are used for respectively conveying raw water to collection ports corresponding to the separation modules and controlling the liquid inlet quantity of the raw water through channels between a gate and the collection ports, the liquid inlet is connected with the separation tanks and is used for conveying the raw water to the separation tanks, the recovery tank is used for conveying the recovered water to the liquid inlet or outputting purified water through a liquid outlet, and the waste tanks are connected with the tail ends of the separation modules and are used for outputting waste materials. Through setting up modular separation module, utilize the spread groove to distribute sewage to set up the detector on the spread groove and be used for detecting the liquid level, utilize the mode of control water yield, carry out rapid treatment with sewage, when effectively having promoted treatment effeciency, promoted the treatment effect, simultaneously, utilize modular mode, effectively promoted the suitability of system.

Inventors

ZHANG JUNXIAO
DONG LIN
WANG QING
QIAN GUOFENG
ZHAO DONGXUE
LIU HAIQING
ZHANG ZHIWU
TANG JINLONG
XU SHANSHAN
Dong Yundi
SONG QINGQING

Assignees

荣成市水务集团有限公司
威海丰泰新材料科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20251230

Claims (10)

1. A wastewater pretreatment modular solid-liquid separation system, comprising: A plurality of separation modules; A separation tank for conveying raw water to a collection port corresponding to each separation module, respectively, and Controlling the liquid inlet amount of raw water through a channel between the gate and each collecting port; The liquid inlet is connected with the separation tank and is used for conveying raw water for the separation tank; The recovery tank is used for delivering recovered water to the liquid inlet or outputting purified water through the liquid outlet; the liquid outlet; And the waste material groove is connected with the tail end of each separation module and is used for outputting waste materials.
2. The wastewater pretreatment modular solid-liquid separation system of claim 1, wherein the single separation module comprises: the collection port; the separation bin is connected with the collection port and is used for separating waste materials in the raw water from purified water; The first sorting bin is connected with the separation bin and is used for detecting the separated clean water and conveying the clean water to the recovery tank; The second sorting bin is connected with the separation bin and is used for detecting the separated intermediate water and conveying the intermediate water to the recovery tank; the waste bin is connected with the separation tank through the waste port and is used for judging whether the content of purified water and/or intermediate water in the residual waste is lower than the separable content or not and conveying the waste to the waste tank or the collection port respectively; the first sorting bin and the second sorting bin are connected with the recycling tank through recycling pipes, and the recycling water is a mixture of purified water and intermediate water.
3. The modular solid-liquid separation system for sewage pretreatment according to claim 2, wherein said separation tank is provided with a first liquid level detector at each liquid inlet, different amounts of water are respectively set according to purified water and intermediate water, In response to the water quantity reaching the purified water separation water quantity, the separation tank keeps the water quantity, so that raw water is separated into the first sorting bin; Responding to the water quantity reaching the water quantity of the intermediate water separation, keeping the water quantity in a separation tank, opening a channel of a second sorting bin, and separating the intermediate water into the second sorting bin; The first liquid level detector judges that purified water or intermediate water cannot be separated out in response to the water quantity reaching the water quantity which does not reach the intermediate water separation quantity, closes the recovery tank to discharge the intermediate water to the recovery tank, and adjusts the water quantity of the liquid inlet to the waste separation water quantity; And responding to detection of the backlog of the waste to a preset position, judging that purified water or intermediate water cannot be separated by the waste bin, closing corresponding channels of the first sorting bin and the second sorting bin by the separation bin, and opening a waste tank.
4. The modular solid-liquid separation system for pretreatment of sewage according to claim 2, wherein each sorting bin responds to the water level reaching a preset position, starts standard detection, and determines whether the purified water or intermediate water in the sorting bin is qualified according to the result of the standard detection; Wherein, in response to reaching the water purification standard, the water in the first sorting bin is sent to the recovery tank as purified water; And in response to the intermediate water standard being met, sending the water of the first sorting bin and/or the second sorting bin into the recovery tank as intermediate water.
5. The modular solid-liquid separation system for wastewater pretreatment according to claim 4, wherein if the intermediate water standard is not met, determining that the first or second sorting bin is contaminated and performing a flushing strategy; responding to any separation module to execute a flushing strategy, wherein the separation tank closes a collection port of each separation module and increases the water quantity in the tank to the limit water quantity; And responding to the rise to the limit water quantity, opening the collecting port by the separation module, and opening the connection position between the separation bin and the first sorting bin and the connection position between the separation module and the second sorting bin so as to flush.
6. The modular solid-liquid separation system for wastewater pretreatment according to claim 3 or 5, wherein the waste bin further detects the water content of the waste therein, compares the water content with a standard content, and conveys the detected material to the waste outlet and the recovery tank; the recovery tank is respectively connected with the waste detection cabin and the separation tank and is used for storing and conveying materials conveyed by the waste bin to the separation tank; A waste port for collecting purified water qualified for primary inspection; The residual materials are the materials which are left after the purified water, the intermediate water and the reclaimed water are separated; The separable content is the minimum content of the separating tank capable of separating target materials.
7. A modular solid-liquid separation system for pretreatment of wastewater as claimed in claim 6, wherein said waste tank detects the moisture content of said remaining material and compares it with said separable content, Responding the water content of the residual materials not larger than the separable content, judging the residual materials to be waste materials and outputting; Judging that the waste bin is polluted or raw water in the separation tank overflows in response to the water content of the residual materials being larger than the separable content, and controlling any separation module to stop outputting waste materials; and if the waste bin is polluted, executing a flushing strategy.
8. The modular solid-liquid separation system for wastewater pretreatment according to claim 7, wherein said separation tank is provided with a second liquid level detector for determining the amount of water in the separation tank; If the second liquid level detector judges that the raw water in the separation tank reaches the standard capacity, adding the raw water into the separation tank according to the current speed; If the second liquid level detector detects that the raw water in the separation tank does not reach the standard capacity, closing each collecting port and adding the raw water to the separation tank at the current speed.
9. The modular solid-liquid separation system for wastewater pretreatment according to claim 8, wherein said recovery tank comprises a third level detector for determining the level of purified water or intermediate water in the recovery tank; In response to the third level detector detecting that the water level in the recovery tank reaches the standard capacity, If the recovery tank is clean water, the separation tank stops conveying raw water and opens a liquid outlet to output clean water; and if the recovery tank is middle water, stopping outputting the middle water by each separation module.
10. The wastewater pretreatment modular solid-liquid separation system of claim 9, wherein the second liquid level detector and the third liquid level detector are further provided with a minimum capacity, wherein, Closing each collection port in response to the second level detector detecting that the amount of water in the separation tank is below a minimum capacity; and closing the liquid outlet when the third liquid level detector detects that the water quantity in the recovery tank is lower than the minimum capacity.

Description

Sewage pretreatment modularized solid-liquid separation system Technical Field The invention relates to the technical field of sewage separation, in particular to a modularized solid-liquid separation system for sewage pretreatment. Background The core goal of the solid-liquid separation technology in sewage pretreatment is to efficiently remove suspended matters before biochemical treatment, reduce the burden of the subsequent process, and in the prior art, solid-liquid separation is carried out by using precipitation or a filter membrane. The Chinese patent grant publication No. CN116392871B discloses a sewage solid-liquid separation device, which relates to the technical field of sludge treatment and comprises a box body, a first filter plate, a first conveying assembly and a resetting assembly, wherein the box body is vertically arranged and is of a top opening structure, a first arc-shaped groove and a second arc-shaped groove are respectively formed in two opposite inner side walls of the box body, a water outlet pipe is arranged on the box body and communicated with the interior of the box body, the first filter plate is horizontally arranged in the box body and is in rotary connection with the box body, two ends of the first filter plate are respectively abutted to the bottom of the first arc-shaped groove and the bottom of the second arc-shaped groove, a plurality of first water filtering holes are formed in the first filter plate, the first conveying assembly is used for conveying and discharging solid impurities accumulated on the first filter plate, and the resetting assembly is used for resetting the first filter plate. The application can improve the efficiency of solid-liquid separation of sewage. CN118851497B discloses a solid-liquid separation device for sewage, which belongs to the technical field of sewage treatment, and comprises a primary sedimentation tank, a first pipeline, a separation tank assembly, a second pipeline, a gas collecting assembly, a water supplementing back flushing pipeline, an oil discharging pipeline and a PLC control system, wherein two ends of the first pipeline are respectively connected with the primary sedimentation tank and the separation tank assembly, the second pipeline, the water supplementing back flushing pipeline and the oil discharging pipeline are respectively connected with the separation tank assembly, sewage containing solid impurities and greasy dirt firstly enters the primary sedimentation tank and is pumped into the separation tank assembly after primary neutralization and sedimentation, the greasy dirt in the separation tank assembly floats on the surface of the sewage under the continuous impact of air flow, and the solid particles in the separation tank assembly are reduced. According to the invention, aeration is performed in different areas in the separation box body, so that the air floatation efficiency is improved, the oil stain discharge speed is accelerated by alternately aerating near the two side walls of the separation box body, and the particle size of solids is reduced by utilizing the cutters, so that the sludge treatment difficulty is reduced. The cost of the membrane technology is high, the water outlet efficiency cannot be effectively maintained, the floor area of the precipitation technology is large, and the treatment effect cannot be effectively maintained. Therefore, for sewage with large water quantity and continuous treatment, the prior art cannot maintain the stability of the water output while maintaining the water output effect. Disclosure of Invention Therefore, the invention provides a modularized solid-liquid separation system for sewage pretreatment, which is used for solving the problem that the prior art can not maintain the stability of the water yield while maintaining the water yield. In order to achieve the above object, the present invention provides a sewage pretreatment modular solid-liquid separation system, comprising: A plurality of separation modules; A separation tank for conveying raw water to a collection port corresponding to each separation module, respectively, and Controlling the liquid inlet amount of raw water through a channel between the gate and each collecting port; The liquid inlet is connected with the separation tank and is used for conveying raw water for the separation tank; The recovery tank is used for delivering recovered water to the liquid inlet or outputting purified water through the liquid outlet; the liquid outlet; And the waste material groove is connected with the tail end of each separation module and is used for outputting waste materials. Further, the single separation module includes: the collection port; the separation bin is connected with the collection port and is used for separating waste materials in the raw water from purified water; The first sorting bin is connected with the separation bin and is used for detecting the separated clean water and conveying the c