CN217052006U - Efficient centrifugal dehydration integrated technology equipment system for urban sludge - Google Patents
Efficient centrifugal dehydration integrated technology equipment system for urban sludge Download PDFInfo
- Publication number
- CN217052006U CN217052006U CN202220401744.4U CN202220401744U CN217052006U CN 217052006 U CN217052006 U CN 217052006U CN 202220401744 U CN202220401744 U CN 202220401744U CN 217052006 U CN217052006 U CN 217052006U
- Authority
- CN
- China
- Prior art keywords
- sludge
- pump
- conveying
- feeding
- centrifuge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a high-efficient centrifugal dehydration integrated technology equipment system of cities and towns mud, include: the system comprises a sludge inlet system, a dewatering system, a flocculating agent dosing system, a conveying system and a sludge storage system; the feeding system is provided with a sludge concentration meter, a sludge cutting machine, a sludge screw feeding pump, a sludge electromagnetic flowmeter, a sludge return pipe and a return electric adjusting knife gate valve, and the flocculant dosing system pipeline is provided with the electromagnetic flowmeter; the PLC control system monitors the sludge inlet concentration and the sludge inlet amount on line through a sludge concentration meter and an electromagnetic flowmeter, and adjusts the sludge inlet amount and the sludge concentration through a backflow electric regulating valve and a sludge backflow pipe in real time, so that uniform and balanced feeding is achieved, and the phenomenon that the centrifuge is shut down due to overhigh torque or overlow torque of the centrifuge and unqualified sludge water content is avoided; meanwhile, accurate medicine feeding is also realized. And conveying the dewatered sludge to a sludge bin through a dry sludge conveying screw pump.
Description
Technical Field
The patent of the utility model relates to the relevant field of town sludge treatment, it is particularly related to a town mud goes out minimizing integration technique and equipment system that mud moisture content is superior to 80%.
Background
With the rapid development of social economy and urbanization, the discharge amount and the treatment amount of municipal sewage in cities are continuously increased, and a large amount of sludge generated by municipal sewage treatment brings new challenges to the environmental management of cities.
The horizontal screw decanter centrifuge is integrated equipment for dehydrating sludge and continuously operating and treating the sludge, and has the characteristics of energy conservation, easy installation, small occupied area, full automation, high reliability, easy disassembly and maintenance, low water content after sludge treatment, stable water content of less than 80 percent and the like, thereby being widely applied to the town sludge treatment industry.
Because of municipal administration mud passes through the sedimentation tank after concentrated, gets into and stores up the mud pond and stores, because mud subsides through gravity storing up the mud pond, can appear mud layering phenomenon, and upper and lower layer concentration is very inhomogeneous. The horizontal screw sedimentation centrifuge works through constant torque, the torque of the centrifuge is too high due to too high feeding concentration of the centrifuge, so that the centrifuge can be stopped, the sludge treatment load is too high, and the filtrate is turbid; the concentration is too low, so that the torque of the centrifuge is too low, and the water content of sludge discharged from the centrifuge cannot reach the standard or the centrifuge is shut down. Meanwhile, the sludge feeding concentration is not uniform, so that the addition amount of the flocculating agent is insufficient or wasted.
After being dewatered by a horizontal screw settling centrifuge, the sludge is collected by a shaftless screw conveyor and conveyed to a sludge piling shed for piling, and the sludge carries toxic and harmful gases in the sludge due to open-type piling, thereby polluting the environment.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned not enough, the utility model provides a town's mud moisture content 80% minimizing sludge dewatering handles integrated equipment system, this system is through the steady feeding of centrifuge PLC control system control centrifuge and accurate medicine of adding, avoids centrifuge to lead to centrifuge to shut down or go out mud moisture content not up to standard because of the not steady and medicine of mud feeding is not accurate leads to centrifuge overload operation.
The utility model is realized in such a way, a town sludge high-efficiency centrifugal dehydration integrated technical equipment system is constructed, which is characterized in that; the system comprises a sludge storage tank, a sludge cutting machine, a sludge screw rod feeding pump, a backflow electric adjusting knife gate valve, a feeding electric adjusting knife gate valve, a horizontal screw decanter centrifuge, an electric mud-water separating valve, a sludge adjusting hopper, a dry sludge conveying pump, a sludge bin and a flocculant preparation device; the sludge outlet of the sludge storage tank is connected with the inlet of a sludge cutting machine; the sludge cutting machine, the sludge screw rod feeding pump and the horizontal screw sedimentation centrifuge are sequentially connected in series, the bottom end of the electric sludge-water separation valve is connected with the sludge adjusting hopper and the dry sludge conveying pump, and the dry sludge conveying pump is connected with the sludge bin; the flocculant preparation device is connected to an inlet pipe of a horizontal screw decanter centrifuge through a dosing screw pump.
The system is characterized in that the system is a high-efficiency centrifugal dehydration integrated technical equipment system for the urban sludge; a sludge concentration meter is arranged on a pipeline between the sludge storage tank and the sludge cutting machine; and a feeding electric adjusting knife gate valve and an electromagnetic flowmeter are arranged on a pipeline between the sludge screw rod feeding pump and the horizontal screw centrifuge.
The system for the efficient centrifugal dehydration integration technology of the town sludge is characterized in that the system comprises a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water tank, a; the sludge screw feeding pump outlet pipeline is provided with a sludge return pipe, and the other end of the sludge return pipe is connected to the top of the sludge storage tank.
The system for the efficient centrifugal dehydration integration technology of the town sludge is characterized in that the system comprises a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water pump, a water tank, a water tank, a; the sludge return pipe is provided with a return electric adjusting knife gate valve, and the sludge return pipe is made of carbon steel or stainless steel.
The system is characterized in that the system is a high-efficiency centrifugal dehydration integrated technical equipment system for the urban sludge; the sludge adjusting hopper is in a trapezoidal shape, the large end of the sludge adjusting hopper is vertically placed upwards, and the top of the sludge adjusting hopper is provided with a sludge infrared level indicator.
The system is characterized in that the system is a high-efficiency centrifugal dehydration integrated technical equipment system for the urban sludge; the bottom of the sludge bin is provided with a hydraulic arch breaking device, the sludge outlet is provided with a knife gate valve and a multi-spiral discharging conveying device, and the multi-spiral discharging conveying can be double-spiral conveying or triple-spiral conveying.
The utility model has the advantages of as follows: the utility model relates to a town sludge goes out minimizing integration technique and equipment system of mud moisture content 80%, mud is through spiral shell sedimentation centrifuge processing system that crouches, and the follow-up sludge stabilization of greatly reduced, innoxious, resourceful treatment volume reduce mud to the pollution and the destruction of environment. It includes: a mud feeding system, a dewatering system, a flocculating agent dosing system, a conveying system, a mud storage system, a PLC automatic control system and the like; the feeding system is provided with a sludge concentration meter, a sludge cutting machine, a sludge screw feeding pump, a sludge electromagnetic flowmeter, a sludge return pipe and a return electric adjusting knife gate valve, and the flocculant dosing system pipeline is provided with the electromagnetic flowmeter; the PLC control system monitors the sludge inlet concentration and the sludge inlet amount on line through a sludge concentration meter and an electromagnetic flowmeter, adjusts the sludge inlet amount and the sludge concentration through a backflow electric regulating valve and a sludge backflow pipe in real time, achieves uniform balanced feeding, and avoids shutdown caused by overhigh torque or substandard sludge water content of the centrifuge; meanwhile, accurate medicine feeding is also realized. And conveying the dewatered sludge to a sludge bin through a dry sludge conveying pump. In the whole system process, sludge cutting, feeding, dewatering, conveying, dosing and storage are precisely controlled by a PLC automatic control system. The utility model discloses the advantage: the uniform and balanced feeding and accurate dosing of the whole sludge dewatering system are realized, and the sludge dewatering effect is good and stable; the sludge accumulation amount is reduced; the whole system is used for sludge treatment in a totally enclosed way, and no odor escapes; thereby having good environmental benefit, economic benefit and social benefit.
Drawings
FIG. 1 is a flow chart of the utility model of an 80% integration technology and equipment system for town sludge reduction.
Wherein: the device comprises a sludge storage pool 1, a sludge concentration meter 2, a sludge cutting machine 3, a sludge screw feeding pump 4, a backflow electric adjusting knife gate valve 5, a feeding electric adjusting knife gate valve 6, a horizontal screw sedimentation centrifuge 8, an electric mud-water separation valve 9, a sludge adjusting hopper 10, a dry sludge conveying pump 11, a sludge storage bin 12, a flocculant preparation device 13, a dosing screw pump 14, an accurate metering 15 and a diluting device 16.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
In order to solve above-mentioned centrifuge dewatering system feeding concentration inhomogeneous, lead to the problem that appears when centrifugal dehydrator moves, the utility model discloses the technique is through improvement sludge dewatering system process flow, increases measures such as mud concentration appearance, electromagnetic flowmeter, mud back flow, realizes the even feeding of spiral shell centrifuge that crouches to ensure the stable efficient operation of whole sludge dewatering system.
The feed inlet of the dry sludge delivery pump is directly connected with the outlet of the horizontal screw centrifuge, and the sludge output is uneven, so that the feed time of the pump is more and less, the sludge amount is too less, the dry sludge delivery pump is easy to idle, and the feed hopper is arranged at the feed inlet of the dry sludge delivery pump according to the delivery amount of the pump to adjust the sludge amount. And conveying the sludge to a sludge bin for storage by a dry sludge conveying pump, and finally carrying out outward treatment, wherein the whole dehydration process is operated in a fully-closed manner.
The utility model provides an integrated technical equipment system for the efficient centrifugal dehydration of the urban sludge through improvement; the system comprises a sludge storage tank 1, a sludge cutting machine 3, a sludge screw rod feeding pump 4, a backflow electric adjusting knife gate valve 5, a feeding electric adjusting knife gate valve 6, a horizontal screw sedimentation centrifuge 8, an electric mud-water separation valve 9, a sludge adjusting hopper 10, a dry sludge conveying pump 11, a sludge bin 12 and a flocculant preparation device 13; the sludge outlet of the sludge storage tank 1 is connected with the inlet of a sludge cutting machine 3; the sludge cutting machine 3, the sludge screw rod feeding pump 4 and the horizontal screw sedimentation centrifuge 8 are sequentially connected in series, the bottom end of the electric mud-water separation valve 9 is connected with the sludge adjusting hopper 10 and the dry sludge conveying pump 11, and the dry sludge conveying pump 11 is connected with the sludge bin 12; the flocculant preparation device 13 is connected to an inlet pipe of the horizontal screw decanter centrifuge 8 through a dosing screw pump 14.
When the utility model is implemented; a sludge concentration meter 2 is arranged on a pipeline between the sludge storage tank 1 and the sludge cutting machine 3; and a feeding electric adjusting knife gate valve 6 and an electromagnetic flowmeter 7 are arranged on a pipeline between the sludge screw feeding pump 4 and the horizontal screw centrifuge 8.
When the utility model is implemented; a sludge return pipe 17 is arranged on the outlet pipeline of the sludge screw feeding pump 4, and the other end of the sludge return pipe 17 is connected to the top of the sludge storage tank 1.
When the utility model is implemented; the sludge return pipeline is provided with a return electric adjusting knife gate valve 5, and the sludge return pipe 17 is made of carbon steel or stainless steel.
When the utility model is implemented; sludge adjusting hopper 10 be the trapezoidal, main aspects vertical placing up, it is equipped with mud infrared ray charge level indicator to adjust the fill top.
When the utility model is implemented; the bottom of the sludge storage bin 12 is provided with a hydraulic arch breaking device, the sludge outlet is provided with a knife gate valve and a multi-screw discharging and conveying device, and the multi-screw discharging and conveying can be double-screw conveying or triple-screw conveying.
Its work flow of system as follows:
step 1, wet sludge flows into a sludge storage tank;
step 2, monitoring the sludge concentration on line through a sludge concentration meter, cutting and crushing large-particle sludge through a sludge cutting machine, wherein the diameter of the sludge after cutting is less than 10mm, and the blockage of a feed port of a centrifuge is avoided; conveying the cut and crushed sludge to a horizontal screw sedimentation centrifuge for centrifugal dehydration through a sludge screw feeding pump, and measuring the sludge feeding amount of the horizontal screw sedimentation centrifuge on line by a sludge feeding electromagnetic flowmeter;
step 3, the flocculating agent dosing system is diluted by a flocculating agent dosing pump through an online dilution device and then conveyed to a dosing port of a horizontal screw sedimentation centrifuge, and a dosing electromagnetic flowmeter measures the dosing amount of the flocculating agent online;
step 4, automatically opening a mud-water electric separation valve after the desliming of the horizontal screw sedimentation centrifuge reaches the standard, and conveying the sludge to a sludge storage bin through a pipeline after the sludge falls to an adjusting hopper and enters a dry sludge conveying pump;
and 5, when the horizontal screw settling centrifuge stops desliming, opening an electromagnetic valve of a cleaning water inlet to clean the horizontal screw settling centrifuge.
In the step 2, in the feeding system, when the sludge concentration meter detects that the sludge concentration is too high on line, the PLC control system calculates the current sludge flow rate when the sludge is dewatered, the horizontal screw sedimentation centrifuge can exceed the operation load of the horizontal screw sedimentation centrifuge, the centrifuge is stopped due to overlarge torque, at the moment, the electric adjusting knife gate valve on the sludge return pipe is opened, a part of sludge is returned to the sludge storage tank, and the returned sludge has pressure, so that the effect of stirring the sludge in the sludge storage tank is achieved. The PLC control system controls the medicament preparation concentration of the flocculating agent dosing device and the medicament adding amount of the medicament adding pump by detecting the real-time sludge treatment amount and the sludge concentration of the horizontal screw decanter centrifuge.
And 4, the adjusting hopper is trapezoidal, the large end of the adjusting hopper is vertically upwards connected with the electric mud-water separation valve, an infrared charge level indicator is arranged in the adjusting hopper, the adjusting hopper is used for instantly conveying excessive sludge and untimely conveying of dry sludge to form a sludge bridge, the PLC control system controls the rotating speed of a motor of the dry sludge screw pump to convey the sludge through the infrared charge level indicator, and dry operation of the dry sludge screw pump caused by the sludge bridge is avoided.
And 4, in the sludge storage system, the sludge bin comprises an elliptical arch-breaking sliding frame device and a multi-spiral discharging device. The elliptic arch-breaking sliding frame device achieves the effect of breaking a sludge bridge by reciprocating at the bottom of the flat-bottom bin body, so that materials are discharged smoothly. Two screw shafts of double helix discharge apparatus stir the operation relatively, can carry out mutual tangent formula self-cleaning in the operation, can clear away the mud that bonds on the screw shaft immediately, especially when cubic mud that meets or the form mud that sticks together, can cut little, stir garrulously, difficult putty need not shut down and overhaul, arrange the barrier.
The PLC control system can automatically and accurately control sludge cutting, feeding, dewatering, conveying, dosing, storage and the like in the whole process, and the full-automatic stable and efficient operation of the whole sludge dewatering process is realized.
The utility model discloses beneficial effect lies in: horizontal spiral shell sedimentation centrifuge passes through the even feeding of PLC control system control feed system to and flocculating agent dosing accuracy adds medicine, alleviate horizontal spiral shell sedimentation centrifuge work load, avoid horizontal spiral shell sedimentation centrifuge because of solid load is too high or low excessively, cause horizontal spiral shell sedimentation centrifuge to shut down the machine or go out mud moisture content and not reach standard. The flocculant dosing and batching system reduces the cost of the operating agent due to the characteristic of accurate dosing. The whole process is operated in a totally-enclosed way, no odor escapes, and the whole sludge dewatering system is controlled by a PLC control system in a fully-automatic and accurate way, so that the workload of operators is reduced. The utility model has good environmental benefit, economic benefit and social benefit.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An efficient centrifugal dehydration integrated technical equipment system for urban sludge is characterized in that; the system comprises a sludge storage tank (1), a sludge cutting machine (3), a sludge screw feeding pump (4), a backflow electric adjusting knife gate valve (5), a feeding electric adjusting knife gate valve (6), a horizontal screw sedimentation centrifuge (8), an electric mud-water separating valve (9), a sludge adjusting hopper (10), a dry sludge conveying pump (11), a sludge storage bin (12) and a flocculant preparation device (13); a sludge outlet of the sludge storage tank (1) is connected with an inlet of a sludge cutting machine (3); the sludge cutting machine (3), the sludge screw rod feeding pump (4) and the horizontal screw decanter centrifuge (8) are sequentially connected in series, the bottom end of the electric sludge-water separation valve (9) is connected with the sludge adjusting hopper (10) and the dry sludge conveying pump (11), and the dry sludge conveying pump (11) is connected with the sludge bin (12); the flocculant preparation device (13) is connected to an inlet pipe of a horizontal screw decanter centrifuge (8) through a dosing screw pump (14).
2. The town sludge high-efficiency centrifugal dewatering integrated technology equipment system as claimed in claim 1, wherein; a sludge concentration meter (2) is arranged on a pipeline between the sludge storage tank (1) and the sludge cutting machine (3); a feeding electric adjusting knife gate valve (6) and an electromagnetic flowmeter (7) are arranged on a pipeline between the sludge screw feeding pump (4) and the horizontal screw sedimentation centrifuge (8).
3. The town sludge high-efficiency centrifugal dewatering integrated technical equipment system as claimed in claim 1, wherein; the outlet pipeline of the sludge screw feeding pump (4) is provided with a sludge return pipe (17), and the other end of the sludge return pipe (17) is connected to the top of the sludge storage tank (1).
4. The town sludge high-efficiency centrifugal dewatering integrated technology equipment system as claimed in claim 3, wherein; the sludge return pipeline is provided with a return electric adjusting knife gate valve (5), and the sludge return pipe (17) is made of carbon steel or stainless steel.
5. The town sludge high-efficiency centrifugal dewatering integrated technology equipment system as claimed in claim 1, wherein; the sludge adjusting hopper (10) is in a trapezoidal shape, the large end of the sludge adjusting hopper is vertically placed upwards, and a sludge infrared level indicator is arranged at the top of the sludge adjusting hopper.
6. The town sludge high-efficiency centrifugal dewatering integrated technology equipment system as claimed in claim 1, wherein; the bottom of the sludge bin (12) is provided with a hydraulic arch breaking device, the sludge outlet is provided with a knife gate valve and a multi-spiral discharging conveying device, and the multi-spiral discharging conveying can be double-spiral conveying or triple-spiral conveying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401744.4U CN217052006U (en) | 2022-02-28 | 2022-02-28 | Efficient centrifugal dehydration integrated technology equipment system for urban sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401744.4U CN217052006U (en) | 2022-02-28 | 2022-02-28 | Efficient centrifugal dehydration integrated technology equipment system for urban sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217052006U true CN217052006U (en) | 2022-07-26 |
Family
ID=82486331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401744.4U Active CN217052006U (en) | 2022-02-28 | 2022-02-28 | Efficient centrifugal dehydration integrated technology equipment system for urban sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217052006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215525A (en) * | 2022-09-21 | 2022-10-21 | 广东沪利环境科技发展有限公司 | Automatic change sludge dewatering system |
-
2022
- 2022-02-28 CN CN202220401744.4U patent/CN217052006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115215525A (en) * | 2022-09-21 | 2022-10-21 | 广东沪利环境科技发展有限公司 | Automatic change sludge dewatering system |
| CN115215525B (en) * | 2022-09-21 | 2022-12-13 | 广东沪利环境科技发展有限公司 | Automatic change sludge dewatering system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102936089B (en) | Automatic control system of sludge deep dewatering overall process and treatment method | |
| CN202924884U (en) | Complete device for sludge dehydration treatment | |
| CN205187962U (en) | Flocculating agent automatic reagent feeding device | |
| CN217052006U (en) | Efficient centrifugal dehydration integrated technology equipment system for urban sludge | |
| CN110498581A (en) | A kind of movable type slurry dewatering anhydration system | |
| CN101823829B (en) | Extrusion sludge dewatering system | |
| CN110066094A (en) | A kind of efficient flocculating device and sludge dewatering treatment system | |
| CN202898208U (en) | Full process automatic control system for deep sludge dehydration | |
| CN210825885U (en) | Movable slurry dewatering and drying system | |
| CN201686602U (en) | Extrusion type sludge dewatering system | |
| CN213012536U (en) | Hydraulic engineering silt separator | |
| CN212864244U (en) | Flocculating agent dosing system | |
| CN215102791U (en) | Intelligent coal slime high-efficiency concentration treatment system | |
| CN208604005U (en) | A kind of belt type dewaterer flocculation stirring device | |
| CN215946966U (en) | High-efficient whirl intelligent system suitable for colliery waste water treatment | |
| CN206645995U (en) | The medicament adding device of high-efficiency concentrator | |
| CN212387876U (en) | Gasification black water cyclic utilization and processing apparatus | |
| CN210683570U (en) | High-efficient flocculation device and sludge dewatering processing system | |
| CN204752707U (en) | High concentration material biogas fermentation tank discharging device | |
| CN113371967A (en) | Stacked screw type sludge dewatering machine and dewatering method thereof | |
| CN209144971U (en) | The large scale prefabricated pumping plant of integration | |
| CN214936300U (en) | Intelligent preparation variable dosing machine and corresponding sand washing wastewater intelligent thickening unit | |
| CN215627534U (en) | Sludge dewatering squeezes and folds spiral shell machine | |
| CN210944996U (en) | Feed bin for sludge treatment of sewage treatment plant | |
| CN220788366U (en) | Sewage plant excess sludge treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |