CN110963663A - Mud-water mass separation treatment device and method - Google Patents
Mud-water mass separation treatment device and method Download PDFInfo
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- CN110963663A CN110963663A CN201811200754.6A CN201811200754A CN110963663A CN 110963663 A CN110963663 A CN 110963663A CN 201811200754 A CN201811200754 A CN 201811200754A CN 110963663 A CN110963663 A CN 110963663A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- Treatment Of Sludge (AREA)
Abstract
The invention provides a device and a method for separating and treating sludge and water, which are mainly characterized in that a sludge and water diversion well is connected with at least two groups of sludge and water quality separating treatment tanks, each group of sludge and water quality separating treatment tank is formed by combining a precipitated sludge deposition digestion tank, a floating sludge interception digestion tank and a sewage treatment tank in sequence, and the two groups of precipitated sludge deposition digestion tanks and the floating sludge interception digestion tank are alternately degraded and stabilized. The device and the method separate the quality of the precipitated sludge and the floating sludge in the mixed sludge, and realize the stabilization treatment of the sludge through the alternate work of two groups.
Description
Technical Field
The invention relates to a device and a method for sludge treatment.
Background
The treatment facility for mixing sewage and sludge contains floating sludge, precipitated sludge and suspended pollutants, and is in a state of mixing sludge and water under the working condition of continuous input, the purpose of sewage treatment is to separate the pollutants, the purpose of sludge treatment is to achieve stabilization, reduction and harmlessness of the sludge, and if the purposes of sewage treatment and sludge treatment are simultaneously realized under the condition of mixing sludge and water, the sludge and the sewage need to be separated and subjected to quality-based treatment. According to the physical stability judgment condition of the system state, under the condition of stopping the system input, the system state gradually tends to be relatively stable in the reduction process along with the time extension, so that the sludge is separated from the working process of continuous input, and the sludge is converted into the stabilized sludge after the necessary degradation time. Under the condition that muddy water is mixed, the sludge water content is high, the space occupation is large, the interception and storage digestion are not easy, the quality-based interception treatment mode is adopted according to the characteristics of the precipitated sludge and the floating sludge, the precipitated sludge and the floating sludge are respectively intercepted and stored in a specific container space for digestion, and the sludge can be digested and treated in the maximized utilization space. In order to avoid the interference of sewage on the stored sludge, at least two groups of sludge storage and digestion container spaces which are isolated from each other are adopted, one group is used for carrying out the digestion and degradation of the sludge, the other group is used for overflowing muddy water and intercepting the stored sludge, and a flow splitting measure is adopted at one end of muddy water input, so that the two groups of sludge storage and digestion systems alternately carry out the stabilization treatment on the sludge. In the sludge treatment system, the quantity of the precipitated sludge is greater than that of the floating sludge, the control is relatively easy, the floating sludge is easily disturbed by the fluidity, in order to further optimize the process, the precipitated sludge and the floating sludge are subjected to quality-divided interception, the precipitated sludge is firstly intercepted and stored, the floating sludge is then intercepted and stored, and finally, the sewage treatment is carried out. The technical measure separates the sewage treatment from the sludge treatment and enables the sludge to have the condition of batch stabilization treatment in a continuous working system.
Disclosure of Invention
The invention aims to design a device and a method for treating precipitated sludge, floating sludge and sewage according to different qualities and stabilizing the sludge in batches under the continuous working condition.
The invention relates to a mud-water quality-separating treatment device and a method, which is a mud-water treatment device consisting of a mud-water diversion well and at least two groups of mud-water quality-separating treatment pools, wherein a sewage pipe introduced from the outside is arranged in one direction of the mud-water diversion well, at least two water inlet pipes are arranged in other directions of the mud-water diversion well, a water passing control device is arranged on each water inlet pipe, each water inlet pipe is communicated with one group of mud-water quality-separating treatment pools, a precipitated sludge deposition digestion tank of each group of mud-water quality-separating treatment pools is a precipitated sludge deposition digestion tank, or at least two precipitated sludge deposition digestion tanks connected in series by a liquid level overflow hole or a liquid level overflow pipe, a liquid level water guide tee at the upper part of a water partition wall of each terminal precipitated sludge deposition digestion tank is communicated with a floating sludge retention digestion tank, or the liquid level overflow hole or the liquid level overflow pipe is communicated with the floating sludge retention digestion tank, one surface, at least one side wall of the sewage treatment pool is provided with a water outlet pipe or a water outlet tee joint, the top plates of the digestion pool and the treatment pool are provided with inspection ports, at least one top plate is provided with an exhaust pipe led outwards, and the sludge digestion in at least two groups of sludge digestion pools is alternatively stabilized by adopting a method of alternatively controlling the sludge digestion.
The mud-water quality-separating treatment tank is a treatment facility formed by sequentially communicating a precipitated sludge deposition digestion tank, a floating sludge retention digestion tank and a sewage treatment tank, and the treatment facility is integrally constructed or manufactured or is a treatment facility formed by communicating and combining a single digestion tank and a single treatment tank.
The elevation of the bottom of the water inlet pipe is not lower than that of the liquid level passing flow guide tee joint or the liquid level overflowing hole or the liquid level overflowing pipe, and the elevation of the bottom of the liquid level passing flow guide tee joint or the liquid level overflowing hole or the liquid level overflowing pipe is not lower than that of the bottom of the water outlet pipe or the water outlet tee joint.
The liquid level overflow guide tee joint at the upper part of the overflow partition wall of the sedimentation sludge sedimentation digestion tank is communicated with the floating sludge retention digestion tank, a horizontal pipe of the liquid level overflow guide tee joint is communicated with the sedimentation sludge sedimentation digestion tank at the height of the liquid level, and a vertical pipeline of the liquid level overflow guide tee joint is arranged in the floating sludge retention digestion tank.
A liquid level passing flow guide tee joint at one side of the floating sludge retention digestion tank, which passes through the upper part of the water partition wall, is communicated with the sewage treatment tank, the vertical pipeline of the liquid level passing flow guide tee joint is arranged in the floating sludge retention digestion tank, and a horizontal pipe of the liquid level passing flow guide tee joint is communicated with the sewage treatment tank.
The water passing control device is a baffle, a flashboard, a valve or a water diversion valve, the water diversion valve is an overflow device with an included angle of water inlet and water outlet of 120 degrees, a water inlet and two water outlets are arranged outside the rotatable overflow device, and the included angle between the water inlet and the two water outlets is 120 degrees.
The sewage treatment tank is a horizontal sedimentation tank with at least one sewage treatment space, or a double-layer sedimentation tank, or a biological filter.
The at least two groups of sludge digestion tanks are at least two groups of sludge digestion tanks which are arranged in parallel and are separated by space, and each group of sludge digestion tank is formed by connecting at least one precipitated sludge sedimentation digestion tank with at least one floating sludge retention digestion tank.
The method for alternately controlling sludge digestion comprises the steps of firstly opening a water passing control device in a mud-water diversion well, injecting mud water into two groups of mud-water quality-separating treatment tanks, then closing the water passing control device in one direction, allowing the sludge in one group of sludge digestion tanks with the water passing control device closed to carry out batch sludge digestion, feeding water to operate the other group of mud-water quality-separating treatment tanks, when the batch sludge digestion time reaches the time required by sludge stabilization treatment, clearly discharging the stabilized sludge in the group of sludge digestion tanks, then opening the group of water passing control devices, closing the other group of water passing control devices, opening one group of mud-water quality-separating treatment tanks of the water passing control devices to carry out water feeding operation, allowing one group of sludge digestion tanks with the water passing control device closed to enter a batch digestion degradation state, and sequentially and regularly alternately operating and carrying out sludge stabilization treatment.
The invention is suitable for directly stabilizing the sludge under the condition of continuous input of the sludge treatment, and has the advantages of overcoming the problem of sludge-water mixing and being convenient for directly stabilizing the sludge. The method is particularly suitable for the quality-dividing treatment and the stabilization treatment of the septic tank, and the septic tank is directly converted into stabilized sludge in the septic tank, so that the stabilized sludge can be conveniently and directly used as cured organic fertilizer.
Drawings
The structure of the invention is further explained by the following combined with the drawings and examples
Fig. 1 is a schematic top plan view of embodiment 1 of the present invention.
FIG. 2 is a schematic sectional view A-A in accordance with embodiment 1 of the present invention.
Fig. 3 is a schematic top plan view of embodiment 2 of the present invention.
FIG. 4 is a schematic sectional view B-B in elevation showing embodiment 2 of the present invention.
Fig. 5 is a schematic top plan view of embodiment 3 of the present invention.
Fig. 6 is a schematic top plan view of embodiment 4 of the present invention.
In the attached drawings, 1, a mud-water diversion well; 2. an overcurrent control device; 3. a water inlet pipe; 4. a water outlet pipe or a water outlet tee; 5. a sedimentation sludge sedimentation digestion tank; 6. a floating sludge retention digestion tank; 7. a sewage treatment tank; 8. the liquid level passes through the water diversion tee; 9. a sewage pipe; 10. a spatial separation wall; 11. a water passing partition wall; 12. an inspection opening; 13. an exhaust pipe; 14. a liquid level overflow hole or a liquid level overflow pipe;
Detailed Description
In the embodiment 1 shown in fig. 1 and 2, a sewage pipe 9 is introduced from the outside in one direction of a mud-water diversion well 1, at least two water inlet pipes 3 are arranged in other directions of the mud-water diversion well 1, a water passing control device 2 is arranged on each water inlet pipe 3, each water inlet pipe 3 is communicated with a group of mud-water quality separating treatment pools, a precipitated sludge sedimentation digestion pool 5 and a floating sludge retention digestion pool 6 of the two groups of mud-water quality separating treatment pools are separated by a space separating partition wall 10, the water inlet end of the mud-water quality separating treatment pool is the precipitated sludge sedimentation digestion pool 5, a liquid level water passing guide tee joint 8 at the upper part of a water partition wall 11 of the precipitated sludge sedimentation digestion pool 5 is communicated with the floating sludge retention digestion pool 6, a liquid level water passing guide tee joint 8 at the upper part of the water partition wall 11 of one side of the floating sludge retention digestion pool 6 is communicated with the sewage treatment pool 7, a, an exhaust pipe 13 led out outwards is arranged on the top plate of the precipitated sludge sedimentation digestion tank 5, the elevation of the bottom of the water inlet pipe 3 is not lower than the elevation of the bottom of the liquid level passing flow guide tee joint 8, and the elevation of the bottom of the liquid level passing flow guide tee joint 8 is not lower than the elevation of the bottom of the water outlet pipe 4.
In the embodiment 2 shown in fig. 3 and 4, a sewage pipe 9 is arranged in one direction of a diversion diverter valve 2 in a mud-water diversion well 1, two water inlet pipes 3 are connected in other directions, each water inlet pipe 3 is communicated with a group of mud-water quality-separating treatment tanks, a precipitated sludge sedimentation digestion tank 5 and a floating sludge interception digestion tank 6 of the two groups of mud-water quality-separating treatment tanks are separated by a space separation partition wall 10, the water inlet end of the mud-water quality-separating treatment tank is the precipitated sludge sedimentation digestion tank 5, a liquid level water hole 14 at the upper part of a water partition wall 11 of the precipitated sludge sedimentation digestion tank 5 is communicated with the floating sludge interception tank 6, a water level diversion tee joint 8 at one surface of the floating sludge interception tank 6 and the upper part of the water partition wall 11 are communicated with a sewage treatment tank 7, a water outlet tee joint 4 is arranged on one side wall of the sewage treatment tank 7, an inspection hole 12 is arranged on the top plate of the treatment, the elevation of the bottom of the water inlet pipe 3 is not lower than that of the bottom of the liquid level overflowing hole 14, and the elevation of the bottom of the liquid level overflowing diversion tee 8 is not lower than that of the bottom of the water outlet tee 4.
The mud-water diversion well 1 of embodiment 4 shown in fig. 6 is rectangular in plan view and is integrally constructed adjacent to the sedimentary sludge digestion tank 5, and this embodiment is otherwise the same as embodiment 1.
Claims (9)
1. A mud-water separating treatment device and method is characterized in that the device is a mud-water treatment device which is composed of a mud-water diversion well and at least two groups of mud-water separating treatment tanks, a sewage pipe introduced from the outside is arranged in one direction of the mud-water diversion well, at least two water inlet pipes are arranged in other directions of the mud-water diversion well, a water passing control device is arranged on each water inlet pipe, each water inlet pipe is communicated with one group of mud-water separating treatment tanks, a precipitated sludge deposition digestion tank of each group of mud-water separating treatment tanks is a precipitated sludge deposition digestion tank, or at least two precipitated sludge deposition digestion tanks connected in series through a liquid level overflow hole or a liquid level overflow pipe, a water passing liquid level guide tee joint at the upper part of a water passing partition wall of the precipitated sludge deposition digestion tank at the tail end is communicated with a floating sludge intercepting digestion tank, or the liquid level overflow hole or the liquid level, a liquid level passing flow guide tee joint at the upper part of a water passing partition wall on one side of a floating sludge retention digestion tank is communicated with a sewage treatment tank, at least one side wall of the sewage treatment tank is provided with a water outlet pipe or a water outlet tee joint, top plates of the digestion tank and the treatment tank are provided with inspection ports, at least one top plate is provided with an exhaust pipe led outwards, and the sludge digestion in at least two groups of sludge digestion tanks is alternatively stabilized by adopting a method of alternatively controlling the sludge digestion.
2. The apparatus and method for separating and treating mud and water according to claim 1, wherein the mud and water treatment tank is a treatment facility formed by connecting a precipitated sludge sedimentation digestion tank, a floating sludge retention digestion tank and a sewage treatment tank in sequence, and the treatment facility is integrally constructed or manufactured or is a treatment facility formed by connecting and combining a single digestion tank and a single treatment tank.
3. The device and the method for separating and treating mud and water according to claim 1, wherein the elevation of the bottom of the water inlet pipe is not lower than that of the liquid level overflow diversion tee or the liquid level overflow hole or the liquid level overflow pipe, and the elevation of the bottom of the liquid level overflow diversion tee or the liquid level overflow hole or the liquid level overflow pipe is not lower than that of the bottom of the water outlet pipe or the water outlet tee.
4. The device and the method for separating and treating mud and water according to claim 1, wherein the liquid level overflow guide tee joint at the upper part of the overflow partition wall of the sedimentation sludge digestion tank is communicated with the floating sludge retention digestion tank, that is, the horizontal pipe of the liquid level overflow guide tee joint is communicated with the sedimentation sludge digestion tank at the liquid level height, and the vertical pipeline of the liquid level overflow guide tee joint is arranged in the floating sludge retention digestion tank.
5. The device and the method for separating and treating mud and water according to claim 1, wherein the floating sludge-retaining digestion tank is communicated with the sewage treatment tank through a liquid level water diversion tee joint arranged at the upper part of a water partition wall on one side, the vertical pipeline of the liquid level water diversion tee joint is arranged in the floating sludge-retaining digestion tank, and the horizontal pipe of the liquid level water diversion tee joint is communicated with the sewage treatment tank.
6. The device and the method for separating and treating mud and water according to claim 1, wherein the water passing control device is a baffle, a gate, a valve or a diversion valve, the diversion valve is a flow passing device with an included angle of water inlet and outlet of 120 degrees, the rotatable flow passing device is provided with a water inlet and two water outlets, and the included angle between the water inlet and the two water outlets is 120 degrees.
7. The apparatus and method for separating and treating mud and water according to claim 1, wherein the sewage treatment tank is at least one horizontal sedimentation tank or a double-layer sedimentation tank or a biological filter.
8. The apparatus and method according to claim 1, wherein the at least two sludge digesters are at least two spatially separated sludge digesters arranged in parallel, and each sludge digester is at least one settled sludge sedimenting digester connected to at least one floating sludge retention digester.
9. The device and the method for separating and treating mud and water according to claim 1, wherein the method for alternately controlling sludge digestion comprises the steps of firstly opening the water passing control device in the mud and water diversion well, injecting mud and water into the two groups of mud and water quality separation treatment tanks, then closing the water passing control device in one direction, allowing the sludge in the sludge digestion tank in one group with the water passing control device closed to carry out batch sludge digestion, feeding water into the other group of mud and water quality separation treatment tank, when the batch sludge digestion time reaches the time required by sludge stabilization treatment, cleaning the sludge which is stabilized in the sludge digestion tank in the group, then opening the water passing control device in the group, closing the water passing control device in the other group, opening the water feeding operation of the sludge digestion tank in the group with the water passing control device, and allowing the sludge digestion tank in the group with the water passing control device closed to enter a batch digestion degradation state, orderly and alternately running and stabilizing the sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200754.6A CN110963663A (en) | 2018-09-28 | 2018-09-28 | Mud-water mass separation treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811200754.6A CN110963663A (en) | 2018-09-28 | 2018-09-28 | Mud-water mass separation treatment device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110963663A true CN110963663A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811200754.6A Pending CN110963663A (en) | 2018-09-28 | 2018-09-28 | Mud-water mass separation treatment device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110963663A (en) |
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2018
- 2018-09-28 CN CN201811200754.6A patent/CN110963663A/en active Pending
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Application publication date: 20200407 |