CN218321100U - Sludge concentration device and system - Google Patents
Sludge concentration device and system Download PDFInfo
- Publication number
- CN218321100U CN218321100U CN202222482922.3U CN202222482922U CN218321100U CN 218321100 U CN218321100 U CN 218321100U CN 202222482922 U CN202222482922 U CN 202222482922U CN 218321100 U CN218321100 U CN 218321100U
- Authority
- CN
- China
- Prior art keywords
- limit switch
- sludge
- valve
- water outlet
- lower limit
- 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
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model provides a sludge concentration device and system relates to water treatment technical field. The sludge concentration device comprises an upper limit switch, a lower limit switch and a float bowl type decanter which are arranged on a guide rod and sequentially mounted from top to bottom, wherein the upper limit switch and the lower limit switch are fixedly mounted on the guide rod, the float bowl type decanter is movably mounted on the guide rod, a float bowl extending block is mounted on the float bowl type decanter, the top end of the float bowl extending block is provided with a switch contact, the bottom of the float bowl type decanter is connected with a water outlet pipe, the tail end of the water outlet pipe is provided with a valve, the upper limit switch and the lower limit switch are respectively connected with the valve, and the upper limit switch, the lower limit switch and the valve are respectively connected with a PLC module. The technical scheme solves the technical problems that in the prior art, operators have high labor intensity and low efficiency in the actual sludge concentration operation process and have certain safety risk.
Description
Technical Field
The utility model belongs to the technical field of the water treatment technique and specifically relates to a sludge concentration device and system is related to.
Background
Sewage treatment plant because the growth of microorganism, the accumulation of suspended solid and chemical precipitation reaction etc. can constantly produce mud at the operation in-process, need regularly with mud promptly excess sludge discharge system, guarantee sewage plant normal operating, because sewage treatment system exhaust excess sludge has very high moisture content, generally more than 99%, can't directly carry out follow-up processing, need carry out dehydration to it. The typical process flow for dewatering excess sludge is: excess sludge → sludge pump → sludge storage tank → sludge pump → sludge dewatering machine → dewatered sludge → outward transportation and disposal. Wherein, mud mechanical dehydration requires to advance mud moisture content can not too high, and too high will lead to the pressure filter to run mud, influences the desliming effect and reduces desliming efficiency, consequently, before getting into the pressure filter, generally need carry out the preconcentration to mud.
The concentration of the residual sludge discharged into the sludge storage pool by a sewage plant is generally less than 10000mg/L, namely, the water content is higher than 99 percent, if the residual sludge directly enters a sludge dewatering machine, the sludge easily leaks from the edge of a filter press along with water flow due to the high water content, so that the desliming efficiency is low. In the actual operation, generally through storing up mud pit mud and stewing a period, treat that the clear liquor of discharging behind the mud subsides to this operation is repeated many times, with the interior mud concentration of promotion storage mud pit, generally promote mud concentration to more than 10000mg/L after, can show the mechanical dehydration efficiency that promotes, nevertheless this process all adopts manual operation, and is very inconvenient:
(1) The excess sludge is discharged to the mud storage tank and needs the frequent manual start-stop of operation personnel excess sludge pump, and the discharge of storage mud tank clarified liquid needs the operation personnel constantly to observe the mud storage tank liquid level, the mud level condition, and manual opening, closing clarified liquid discharge valve.
(2) In the actual operation process of operating personnel, the labor intensity is high, the efficiency is low, and certain safety risk still exists during night operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sludge concentration device and system to solve among the prior art operation personnel at the actual operation sludge concentration in-process, intensity of labour is big, inefficiency, still has the problem of certain safety risk during the operation night. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above objects, in one aspect, the present invention provides a sludge thickening apparatus, which comprises a guide rod, a float decanter, a float extending block, an upper limit switch, a lower limit switch, a water outlet pipe and a PLC module; the upper limit switch, the lower limit switch and the float type decanter are sequentially arranged on the guide rod from top to bottom, the upper limit switch and the lower limit switch are fixedly arranged on the guide rod, the float type decanter is movably arranged on the guide rod, the float extending block is arranged on the float type decanter, the top end of the float extending block is provided with a switch contact, the bottom of the float type decanter is connected with the water outlet pipe, the tail end of the water outlet pipe is provided with a valve, the upper limit switch and the lower limit switch are respectively connected with the valve, and the upper limit switch, the lower limit switch and the valve are respectively connected with the PLC module.
Optionally, a limiting block is arranged on the guide rod and below the float-type decanter.
Optionally, the limit block is mounted in such a position that the switch contact of the pontoon extension block contacts the lower limit switch when the bottom of the pontoon-type decanter touches the limit block.
Optionally, the water outlet pipe is a water outlet hose.
Optionally, a water outlet hard pipe is arranged at the tail end of the water outlet hose, and the valve is arranged on the water outlet hard pipe.
Optionally, the valve is an electrically operated valve.
Optionally, a manual valve is further arranged on the water outlet hard pipe.
On the other hand, the utility model provides a sludge thickening system, include as above arbitrary sludge thickening device, still include the sludge pump, wherein, the PLC module with the sludge pump is connected.
The technical scheme of the utility model can include following beneficial effect:
the utility model provides a pair of sludge concentration device and system, through the buoy extension piece on the buoy type decanter that the installation can move about from top to bottom on the guide arm, along with the switch contact on it of the height of water level contacts limit switch and lower limit switch respectively, according to programming and the parameter setting of switching signal combination PLC module, control valve opens and closes to the discharge and the discharge time of the clarified liquid of decanting in the control buoy type decanter and acquire the sewage water level state in the mud storage tank, and do not need to carry out the switching of valve through artificial observation judgement and discharge; on the other hand, the PLC module is directly connected with the sludge pump, and sewage to be treated can be injected into the sludge storage tank through the sludge pump according to the water level state of the sewage in the sludge storage tank. Therefore, the technical problems that in the prior art, operators actually operate the sludge concentration process, the labor intensity is high, the efficiency is low, and certain safety risks exist are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a sludge thickening apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sludge thickening system according to an embodiment of the present invention.
In the figure 1, a guide rod; 2. a float-type decanter; 3. a float extending block; 4. an upper limit switch; 5. a lower limit switch; 6. a water outlet hose; 7. a limiting block; 8. a water outlet hard pipe; 9. an electrically operated valve; 10. a manual valve; 11. a PLC module; 12. a sludge pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a sludge concentration device according to an embodiment of the present invention, as shown in fig. 1:
the utility model provides a sludge concentration device, which comprises a guide rod 1, a float type decanter 2, a float extending block 3, an upper limit switch 4, a lower limit switch 5, a water outlet pipe and a PLC module 11; the upper limit switch 4, the lower limit switch 5 and the buoy type decanter 2 are sequentially mounted on the guide rod 1 from top to bottom, the upper limit switch 4 and the lower limit switch 5 are fixedly mounted on the guide rod 1, the buoy type decanter 2 is movably mounted on the guide rod 1, the buoy extension block 3 is mounted on the buoy type decanter 2, the top end of the buoy extension block 3 is provided with a switch contact, the bottom of the buoy type decanter 2 is connected with the water outlet pipe, the tail end of the water outlet pipe is provided with a valve, the upper limit switch 4 and the lower limit switch 5 are respectively connected with the valve, and the upper limit switch 4, the lower limit switch 5 and the valve are respectively connected with the PLC module 11.
The guide rod 1 can be vertically fixed at the center of the mud storage tank, the float-type decanter 2 can slide up and down along the guide rod under the action of buoyancy along with the liquid level in the mud storage tank, when a switch contact at the top end of a float extending block 3 connected with the float-type decanter rises to contact with an upper limit switch 4 along with the sewage level, a switch signal is communicated, a valve is closed under the switch signal, the decanter decants clear liquid on the surface of the static mud storage tank, the valve is opened after a time period limited by the PLC module 11 is finished, the decanted clear liquid in the decanter flows out along with a water outlet pipe, the sewage level in the mud storage tank descends along with the descending of the water level, when the switch contact at the top end of the float extending block 3 connected with the float-type decanter 2 contacts with the lower limit switch 5, the valve is closed according to the switch signal triggered at the time, the PLC module 11 acquires the switch signal and transmits the signal to a module for injecting sewage into the mud storage tank, therefore, the concentration of sewage in the mud storage tank is finished by the switch signal controlled by the PLC module 11, the operation of the switch signal, the valve can be used for observing whether the sewage treatment and the sewage treatment can be provided by the PLC module to be used for observing the sewage treatment.
As an alternative embodiment, a stop block 7 is arranged on the guide rod 1 below the float-type decanter 2. The stop block 7 defines the lowest position of the pontoon-type decanter 2.
As an alternative embodiment, the limit block 7 is mounted in such a position that, when the bottom of the float-type decanter 2 touches the limit block 7, the switch contact of the float extension block 3 touches the lower limit switch 5, or the switch contact of the float extension block 3 is located below the lower limit switch 5. When the buoy extension block 3 contacts the lower limit switch 5, a contact switch is formed, according to the switch signal, the valve of the water outlet pipe is closed, and when the buoy-type decanter 2 is at the position, the position of the limit block 7 which limits the lowest position of the buoy-type decanter 2 is the highest position which can be set of the limit block 7.
As an alternative embodiment, the outlet pipe is an outlet hose 6. The hose is convenient to change the camber, the position and the like along with the position change of the float-type decanter 2.
As an alternative embodiment, a water outlet hard pipe 8 is arranged at the end of the water outlet hose 6, and the valve is arranged on the water outlet hard pipe 8. The tail end of the water outlet hose 6 is provided with a water outlet hard pipe 8, so that the tail end of the water outlet pipe can be fixed conveniently and a valve can be installed conveniently.
As an alternative embodiment, the valve is an electrically operated valve 9. The electric valve 9 can be controlled by a switch signal to open and close, so that the operation is convenient.
As an optional embodiment, a manual valve 10 is further disposed on the water outlet hard pipe 8. The manual valve 10 is arranged, an operator can manually control the opening and closing of the valve 10 according to actual conditions, and guarantee is provided for the safety and controllability of the sludge concentration device.
Fig. 2 is the utility model discloses sludge thickening system's structural schematic diagram, as shown in fig. 2, the utility model provides a sludge thickening system, include as above arbitrary sludge thickening device, still include sludge pump 12, wherein, PLC module 11 with sludge pump 12 connects.
According to the sludge concentration device and the system, the implementation process of sludge concentration is as follows:
1. initial state: the mud storage tank is at a low liquid level, the float type decanter descends to the position of the limiting block under the action of gravity, the float extending block contacts the lower limiting switch, and the electric valve on the clarified liquid discharge pipe is automatically closed.
2. The injection state of the excess sludge to be treated is as follows: starting one-key concentration, starting the residual sludge pump to operate, injecting residual sludge into the sludge storage tank, enabling the float type decanter to ascend along with the liquid level of the sludge storage tank, and when the float extending block contacts the upper limit switch, automatically stopping the residual sludge pump from operating, stopping the sludge feeding of the sludge storage tank, and preventing the liquid level from ascending.
3. The residual sludge is concentrated and the clear liquid in the sludge storage tank is discharged: 30 minutes after the residual sludge pump stops operating, the delay time can be flexibly set according to the sedimentation performance of the residual sludge, the electric valve on the clarified liquid outlet pipe is automatically opened, and the clarified liquid is discharged through the water outlet hose.
4. The state of water decanting is finished: the float type decanter descends along with the descending of the liquid level of the mud storage pool, and when the float extending block contacts the lower limit switch, the electric valve on the clarifying liquid discharge pipe is automatically closed, so that the clarifying liquid is discharged.
5. The cycle period start-stop state: the sewage plant can set and modify the cycle times according to the sludge concentration and the sludge level of the sludge storage tank, and the system automatically operates according to the 4 stages in a circulating manner. When the circulation times reach the set times, the system stops running and prompts that the one-key concentration is finished.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A sludge concentration device is characterized by comprising a guide rod, a float type decanter, a float extending block, an upper limit switch, a lower limit switch, a water outlet pipe and a PLC module; the upper limit switch, the lower limit switch and the float type decanter are sequentially mounted on the guide rod from top to bottom, the upper limit switch and the lower limit switch are fixedly mounted on the guide rod, the float type decanter is movably mounted on the guide rod, the float extending block is mounted on the float type decanter, a switch contact is arranged at the top end of the float extending block, the bottom of the float type decanter is connected with the water outlet pipe, a valve is arranged at the tail end of the water outlet pipe, the upper limit switch and the lower limit switch are respectively connected with the valve, and the upper limit switch, the lower limit switch and the valve are respectively connected with the PLC module.
2. The sludge thickening apparatus of claim 1, wherein a stop block is disposed on the guide rod below the float-type decanter.
3. The sludge thickening apparatus according to claim 2, wherein the stopper is installed at a position such that when the bottom of the pontoon-type decanter touches the stopper, the switch contact of the pontoon extension block touches the lower limit switch.
4. The sludge thickening apparatus of claim 3, wherein the outlet pipe is an outlet hose.
5. The sludge thickening apparatus according to claim 4, wherein a water outlet pipe is provided at the end of the water outlet hose, and the valve is provided on the water outlet pipe.
6. The sludge thickening apparatus according to claim 5, wherein the valve is an electrically operated valve.
7. The sludge concentration device according to claim 5 or 6, wherein a manual valve is further arranged on the water outlet hard pipe.
8. A sludge thickening system, comprising the sludge thickening apparatus according to any one of claims 1 to 7, and further comprising a sludge pump, wherein the PLC module is connected to the sludge pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482922.3U CN218321100U (en) | 2022-09-19 | 2022-09-19 | Sludge concentration device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222482922.3U CN218321100U (en) | 2022-09-19 | 2022-09-19 | Sludge concentration device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218321100U true CN218321100U (en) | 2023-01-17 |
Family
ID=84837452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222482922.3U Active CN218321100U (en) | 2022-09-19 | 2022-09-19 | Sludge concentration device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218321100U (en) |
-
2022
- 2022-09-19 CN CN202222482922.3U patent/CN218321100U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218321100U (en) | Sludge concentration device and system | |
| CN109516544B (en) | Continuous water supply and intermittent water discharge device for sewage treatment biological bed | |
| CN107324482B (en) | Efficient automatic slag discharging device and method in ozone air floatation process | |
| CN214866072U (en) | Dry film slag treatment and discharge system | |
| CN212818293U (en) | Water cutting device | |
| CN216236417U (en) | Edge grinding machine sewage treatment circulation system | |
| CN213298232U (en) | Coal dressing filtrating liquid level control device | |
| CN113198829A (en) | Dry film slag treatment and discharge system | |
| CN204874228U (en) | Lime mud buffering quenching and tempering system | |
| CN208844696U (en) | A kind of fermentation vat drainage system of paper making raw material | |
| CN203556626U (en) | Equipment for collection and pretreatment on kitchen waste | |
| CN209162980U (en) | Rainwater sewage flow distributing device | |
| CN203498159U (en) | Energy saving pulse type hydrolytic acidification reactor for sewage treatment | |
| CN113388492A (en) | Hydrolysis-impurity removal device and method for fruit and vegetable garbage slurry | |
| CN205540310U (en) | No bottom valve liquid level automatic control waste fitting discharging | |
| CN213037710U (en) | Residual oil purification and dehydration device | |
| CN211896150U (en) | Novel integral glass steel oil interceptor | |
| CN219217813U (en) | Sludge treatment device for sludge storage tank | |
| CN212819802U (en) | Mother liquor circulating system | |
| CN216653752U (en) | Waste water recycling device | |
| CN213707966U (en) | Ship domestic sewage mixing treatment device | |
| CN215830714U (en) | Automatic water diversion device of screw pump | |
| CN213771783U (en) | Continuous flow modularization mud storage pool | |
| CN221229992U (en) | Oil residue clarifying and discharging system | |
| CN215741973U (en) | Energy-saving sewage treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |