CN114768318A - Mud storage pool - Google Patents
Mud storage pool Download PDFInfo
- Publication number
- CN114768318A CN114768318A CN202210442565.XA CN202210442565A CN114768318A CN 114768318 A CN114768318 A CN 114768318A CN 202210442565 A CN202210442565 A CN 202210442565A CN 114768318 A CN114768318 A CN 114768318A
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- Prior art keywords
- sludge
- storage tank
- mud
- main body
- inclined plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the field of water treatment, in particular to a sludge storage tank of a sludge storage tank, which comprises a sludge storage tank main body, wherein a sludge inlet, an overflow port and a concentrated sludge outlet arranged at the bottom of the sludge storage tank main body are arranged on the sludge storage tank main body, inclined plates are arranged in the sludge storage tank main body, the inclined plates are connected and fixed into a plate shape through fixing rods, the inclined plates and the side wall of the sludge storage tank main body are movably connected, a supernatant discharge port is arranged on the sludge storage tank main body, the supernatant discharge port is arranged below the overflow port, one side of each inclined plate, which is far away from the sludge inlet, is hinged on the side wall of the sludge storage tank main body, an adjustable buoyancy device is connected on each inclined plate, and buoyancy is provided by the adjustable buoyancy device in a normal state to control the upper end of each inclined plate to be parallel to a horizontal plane. The angle of the inclined tube in the inclined plate is adjusted through the adjustable buoyancy device, so that the sludge in the inclined tube can be cleaned in time, and the influence on supernatant is reduced.
Description
Technical Field
The invention relates to the field of water treatment, in particular to a sludge storage pool.
Background
In sewage treatment, the sludge storage tank is mainly used for temporarily storing residual sludge and basically has no concentration function. At present, partial sewage treatment plants are only provided with sludge storage tanks, but not with concentration tanks. And the sludge in the sludge storage tank is pumped to a sludge dewatering workshop by a pump for dewatering treatment. The concentration of the sludge storage tank is not obvious, so that the following problems are brought to the subsequent dehydration link:
1. the volume design of the sludge storage tank is small, the sludge storage tank basically has no concentration function, and in order to achieve the standard of dehydration, the dosage consumption in the subsequent mechanical dehydration stage is very high, so that the treatment cost is increased.
2. Lack the concentration function, follow-up dewatering equipment's the mud volume of advancing is great, and its equipment lectotype power that corresponds is great, has increased the investment, and the energy consumption of operation is also high.
3. When the sludge is fed, the water content of the sludge is higher, so that the dehydrated sludge cannot stably reach the required water content, and the environmental protection risk exists.
Disclosure of Invention
The invention aims to provide a sludge storage tank to solve the problem that the existing sludge storage tank is lack of a sludge concentration function and causes high sludge water content.
In order to solve the technical problems, the technical means of the sludge storage pool adopted by the invention are as follows: the sludge storage tank comprises a sludge storage tank main body, wherein a sludge inlet, an overflow port and a concentrated sludge outlet are formed in the sludge storage tank main body, the concentrated sludge outlet is formed in the bottom of the sludge storage tank main body, inclined plates are arranged in the sludge storage tank main body, the inclined plates are connected and fixed into a plate shape through fixing rods, and the inclined plates are movably connected with the side wall of the sludge storage tank main body; the sludge storage tank main body is provided with a supernatant discharge port which is arranged below the overflow port; one side of the inclined plate, which is far away from the sewage inlet, is hinged to the side wall of the sludge storage tank body, an adjustable buoyancy device is connected to the inclined plate, and the adjustable buoyancy device provides buoyancy to control the upper end of the inclined plate to be parallel to the horizontal plane in a normal state.
The mud storage pool of the technical scheme has the following technical advantages: the sludge enters from the bottom of the inclined plate after entering from the sewage inlet, the sludge is intercepted and concentrated by the inclined pipe, and the supernatant is discharged from the upper part of the sludge storage pool. When the sludge is fed from the sludge inlet, the inclined plate floats upwards integrally under the action of buoyancy and the buoyancy of the adjustable buoyancy device along with the increase of the water level in the sludge storage tank main body, and the inclination angle of the inclined plate is reduced to form inclined plate precipitation. When the sludge is stopped or the sludge in the inclined pipe is more, the valve of the sludge inlet is closed, the adjustable buoyancy device is controlled to reduce the buoyancy, and simultaneously, because the sludge accumulation on the lower part of the inclined plate becomes heavy, the inclined plate integrally rotates around a hinged point, the inclination angle is increased, so that the sludge on the inclined plate is more easily dropped from the inclined plate. According to the invention, the buoyancy of the adjustable buoyancy device in the sludge storage tank is controlled, so that the stress of the inclined plate is changed, the inclination angle of the inclined plate is adjusted in a swinging manner, normal inclined plate sedimentation is formed when the inclination angle of the inclined plate is reduced, the desliming efficiency of sludge on the inclined plate is improved when the inclination angle of the inclined plate is increased, the water content of the sludge is reduced, the sludge sedimentation and falling efficiency is improved, the sludge discharged from the sludge storage tank is concentrated to a certain degree, the water content of the sludge is reduced, and the energy consumption of the subsequent sludge treatment process is further reduced.
As a preferred scheme, the mud storage tank main body is in a funnel shape, the upper part of the mud storage tank main body is a quadrangular prism wall, and the lower part of the mud storage tank main body is a quadrangular frustum wall; the upper part of the mud storage tank main body is a quadrangular prism wall, so that an inclined plate is convenient to install; the lower part of the sludge storage tank main body is a quadrangular frustum wall, so that sludge is convenient to precipitate and gather.
As a preferred scheme, the sewage inlet and the overflow port are respectively arranged on the opposite edges of the quadrangular prism at the upper part of the sludge storage pool main body; when making mud flow in storing up the mud pond, the dead zone that flows can not appear, when the mud that moreover stores up in the mud pond all is in the mobile state, can prevent effectively that mud from deposiing in a certain place and piling up.
As a preferred scheme, a limiting rope is arranged at one end, far away from the hinge joint, of the inclined plate; the other end of the limiting rope can be fixed on the mud storage pool, and the inclined angle of the inclined plate can be prevented from being too large through the limiting rope.
As the preferred scheme, be provided with the stopper on the mud storage tank, the stopper is close to the swash plate and keeps away from articulated one end, avoids swash plate inclination too big through the stopper, can reduce the control requirement to adjustable buoyant device.
Preferably, the sludge inlet direction of the sludge inlet and the direction of the sludge passing through the inclined plate form an acute angle; the sludge entering from the sewage inlet can smoothly flow through the inclined plate, and the settling efficiency of the sludge on the inclined plate is improved.
Preferably, the adjustable buoyancy means vibrates the swash plate by periodically increasing and decreasing buoyancy so as to more thoroughly discharge the sludge intercepted in the swash plate.
As a preferable scheme, the sludge storage device also comprises a submersible stirrer and a slide bar for mounting the submersible stirrer, wherein the bottom of the slide bar is fixed at the bottom of the sludge storage pool main body, and the submersible stirrer is mounted on the slide bar and can slide up and down; the submersible stirrer is connected with a pull rope, one end of the pull rope is fixed on a winch, and the winch is arranged at the top of the mud storage pool main body; the submersible stirrer can push the sludge in the sludge storage tank main body, and the slide bar can be used for adjusting the height of the submersible stirrer to a proper pushing position.
Preferably, an aeration device is arranged below the inclined plate, and bubbles are blown into an inclined pipe inlet of the inclined plate, so that sludge can be better removed from the inner wall of the inclined pipe by utilizing the impact of the bubbles and the energy of bubble explosion.
Drawings
FIG. 1 is a first schematic diagram of the operation of the apparatus of the present invention;
FIG. 2 is a second schematic diagram of the apparatus of the present invention.
The main component symbols in the figures are explained as follows:
1. a sludge storage tank main body; 2. a sewage inlet; 3. a concentrated sludge outlet; 4. a supernatant discharge port; 5. an overflow port; 6. a sloping plate; 7. a fixing rod; 8. a floating ball.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
As shown in fig. 1 and 2, the sludge storage tank comprises a sludge storage tank main body 1, a sludge inlet 2, an overflow outlet 5 and a concentrated sludge outlet 3 arranged at the bottom of the sludge storage tank main body 1 are arranged on the sludge storage tank main body 1, an inclined plate 6 is arranged in the sludge storage tank main body 1, an inlet of a joint pipe in the inclined plate 6 inclines towards one side of the sludge inlet 2, the inclined plates 6 are connected and fixed into a plate shape through a fixing rod 7, the inclined plate 6 is movably connected with the side wall of the sludge storage tank main body 4, specifically, the lower part of one side of the inclined plate 6 far away from the sludge inlet is hinged on the side wall of the sludge storage tank main body 1, so that the whole inclined plate 6 can swing up and down in the sludge storage tank main body 4; the sludge storage tank body 1 is provided with a supernatant discharge port 4, and the supernatant discharge port 4 is arranged below the overflow port 5. One side that dirty mouthful 2 was kept away from to swash plate 6 articulates on storing up mud pit main part 4 lateral wall, is provided with adjustable buoyant device on the swash plate 6, and this application adopts the floater 8 that can fill gassing volume size of adjusting, and floater 8 can be elasticity floater or piston floater, is connected through flexible rope between floater 8 and the swash plate 6, and the floater 8 is kept away from the holistic hinged end of swash plate 6 to increase turning moment, provide buoyancy control under the floater 8 normality the upper end and the horizontal plane of swash plate are parallel.
The mud storage tank main body 4 is in a funnel shape, the upper part of the mud storage tank main body 4 is a quadrangular prism wall, and the lower part of the mud storage tank main body 4 is an inverted quadrangular frustum wall; the upper part of the mud storage tank main body 1 is a quadrangular prism wall, so that an inclined plate 6 is convenient to install; the lower part of the sludge storage tank main body 1 is a quadrangular frustum wall, so that sludge is convenient to precipitate and gather. The sewage inlet 2 and the overflow port 5 are respectively arranged on the quadrangular prism on the upper part of the sludge storage tank main body 1, so that when sludge flows in the sludge storage tank, a flow dead zone can not occur, and when the sludge in the sludge storage tank is in a flow state, the sludge can be effectively gathered and deposited at one bottom part, and is conveniently discharged from a concentrated sludge outlet. The swash plate 6 is kept away from articulated one end and is equipped with the spacing rope, and the other end of spacing rope can be fixed on storing up the mud pit, can avoid swash plate inclination too big through the setting of spacing rope, and preferred mode can also be storing up the mud pit top through the hoist engine chain, and such benefit is that the periodic through the hoist engine receive and releases the spacing rope with vibration swash plate 6, the mud in the pipe chute of discharge swash plate 6 that can be convenient.
As a simplified substitution mode of a limiting rope, a limiting block can be arranged on the mud storage pool, the limiting block is close to the inclined plate and is far away from the hinged end, the inclined plate 6 is supported by the limiting block, so that the situation that the buoyancy provided by the adjustable buoyancy device is insufficient, the inclination angle of the inclined plate 6 is too large, and the control requirement on the adjustable buoyancy device is reduced can be avoided.
The mud direction of advancing dirty mouthful 2 and the direction that mud passes through swash plate 6 are the acute angle, and the mud that advances dirty mouthful 2 and get into can high-efficient smooth and easy flow through swash plate 6, improves the precipitation efficiency of mud on swash plate 6, and swash plate 6 is all can for honeycomb pipe chute, swash plate or solitary swash plate on the market.
The working principle and the process thereof are as follows: when the water level in the sludge storage tank main body 1 rises when the sewage inlet 2 starts to feed sewage, the inclined plate 6 is acted by self buoyancy and the buoyancy of the floating ball 8, the inclination angle of the inclined plate 6 is gradually reduced along with the increase of the water level in the sludge storage tank main body 1, the inclined plate 6 is gradually changed from an inclination angle of 80-85 degrees to an inclination angle of 45 degrees, and the sludge is favorably precipitated on the inclined plate 6.
When sludge in the inclined pipe needs to be cleaned, the valve of the sewage inlet 2 is closed, the volume of the floating ball 8 is reduced, the total buoyancy force borne by the inclined plate 6 is not enough to support the gravity of the inclined plate, the inclination angle of the inclined plate 6 is gradually increased and gradually changed from 45 degrees to 80-85 degrees from the water surface, and sludge on the inclined plate 6 is favorably deslimed.
As a more optimized mode, an aeration device, such as an aeration disc and the like, can be arranged below the inclined plate 6, so that bubbles can be blown into the inlet of the inclined pipe, sludge in the inclined pipe can be better removed, the air supply of the aeration disc can be arranged in parallel with the floating ball 8, and only valves are needed to be arranged on each pipeline.
As an alternative, the volume of the floating ball may not be changed directly, but water is flushed into the floating ball to change the buoyancy provided by the floating ball, and of course, the floating ball may be periodically increased and decreased to vibrate the inclined plate 6, so as to facilitate the rapid discharge of sludge therein, and when the sludge is accelerated by vibration, the optimal mode is a mode of resonance with the inclined plate 6.
Example 2
Example 2 differs from example 1 in that: the sludge storage tank also comprises a submersible stirrer and a slide bar for mounting the submersible stirrer, wherein the bottom of the slide bar is fixed at the bottom of the sludge storage tank main body, and the submersible stirrer is mounted on the slide bar and can slide up and down; the submersible stirrer can push the sludge in the sludge storage tank main body to flow, and the speed of the sludge in the sludge storage tank main body passing through the inclined plate 6 is increased. The submersible type stirrer is connected with a pull rope, one end of the pull rope is fixed on the winch, the winch is arranged at the top of the mud storage pool main body, and the winch can automatically store and discharge power lines of the submersible type stirrer along with the power lines of the submersible type stirrer, so that the submersible type stirrer can conveniently go up and down. The submersible stirrer is arranged on one side of the sewage inlet 2 and faces the overflow port 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a store up mud pit, is including storing up mud pit main part, be equipped with into dirty mouthful, overflow mouth in storing up mud pit main part to and establish the concentrated sludge export in storing up mud pit main part bottom, its characterized in that: inclined plates are arranged in the sludge storage tank main body, the inclined plates are connected and fixed into a plate shape through fixed rods, and the inclined plates are movably connected with the side wall of the sludge storage tank main body; the sludge storage tank main body is provided with a supernatant discharge port which is arranged below the overflow port; one side of the inclined plate, which is far away from the sewage inlet, is hinged to the side wall of the sludge storage tank body, an adjustable buoyancy device is connected to the inclined plate, and the adjustable buoyancy device provides buoyancy to control the upper end of the inclined plate to be parallel to the horizontal plane in a normal state.
2. The mud storage pool of claim 1, wherein: store up mud pond main part and be hourglass hopper-shaped, it is quadrangular wall on mud pond main part to store up, the lower part of storing up mud pond main part is quadrangular frustum wall.
3. The mud storage pond according to claim 2, wherein: the sewage inlet and the overflow port are respectively arranged on the opposite edges of the quadrangular prism at the upper part of the sludge storage tank main body.
4. The mud storage pond according to claim 1, wherein: and one end of the inclined plate, which is far away from the hinge joint, is provided with a limiting rope.
5. The mud storage pond according to claim 1, wherein: and a limiting block is arranged on the mud storage tank, and the limiting block is close to one end, far away from the hinged part, of the inclined plate.
6. The mud storage pond according to claim 1, wherein: the mud inlet direction of the sewage inlet and the direction of the sludge passing through the inclined plate form an acute angle.
7. The mud storage pond according to claim 4, wherein: the adjustable buoyancy device vibrates the swash plate by periodically increasing and decreasing buoyancy.
8. The mud storage pond according to claim 1, wherein: the sludge storage tank also comprises a submersible stirrer and a slide bar for mounting the submersible stirrer, wherein the bottom of the slide bar is fixed at the bottom of the sludge storage tank main body, and the submersible stirrer is mounted on the slide bar and can slide up and down; the submersible stirrer is connected with a pull rope, one end of the pull rope is fixed on a winch, and the winch is arranged at the top of the mud storage pool main body.
9. A mud storage pond according to any one of claims 1 to 8, wherein: an aeration device is arranged below the inclined plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210442565.XA CN114768318A (en) | 2022-04-25 | 2022-04-25 | Mud storage pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210442565.XA CN114768318A (en) | 2022-04-25 | 2022-04-25 | Mud storage pool |
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| Publication Number | Publication Date |
|---|---|
| CN114768318A true CN114768318A (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210442565.XA Pending CN114768318A (en) | 2022-04-25 | 2022-04-25 | Mud storage pool |
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| CN (1) | CN114768318A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133310A (en) * | 1997-07-22 | 1999-02-09 | Nippon Enbairo Kogyo Kk | Solid/liquid separation tank |
| CN207356638U (en) * | 2017-10-22 | 2018-05-15 | 河北蓝江生物环保科技有限公司 | Flat flow inclined plate sedimentation pond |
| CN208212599U (en) * | 2018-03-02 | 2018-12-11 | 天津天绿健科技有限公司 | A kind of sewage treatment inclined-plate clarifying basin |
| CN109513239A (en) * | 2018-12-05 | 2019-03-26 | 珠海力新环保有限公司 | A kind of vari ramp sedimentation basin and its method of adjustment |
| CN209361922U (en) * | 2018-09-13 | 2019-09-10 | 湖北张江至清环境工程有限公司 | A kind of sewage treatment sedimentation basin |
| CN209612289U (en) * | 2018-12-25 | 2019-11-12 | 南京兆元安全环境科技服务有限公司 | A kind of controllable floating type inclined-plate clarifying basin |
| CN209967756U (en) * | 2019-02-21 | 2020-01-21 | 合肥海智际电子科技有限公司 | Inclined tube sedimentation tank |
| CN110975343A (en) * | 2019-12-24 | 2020-04-10 | 深圳市宇思环保科技有限公司 | Sludge discharge method for sedimentation tank |
| CN212091037U (en) * | 2020-05-09 | 2020-12-08 | 河南维佳特环保科技有限公司 | Hierarchical high-efficient pipe chute settlement equipment |
| CN213895325U (en) * | 2020-12-06 | 2021-08-06 | 南京深蓝水处理技术有限公司 | Submersible sewage treatment stirring device for sewage station |
-
2022
- 2022-04-25 CN CN202210442565.XA patent/CN114768318A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133310A (en) * | 1997-07-22 | 1999-02-09 | Nippon Enbairo Kogyo Kk | Solid/liquid separation tank |
| CN207356638U (en) * | 2017-10-22 | 2018-05-15 | 河北蓝江生物环保科技有限公司 | Flat flow inclined plate sedimentation pond |
| CN208212599U (en) * | 2018-03-02 | 2018-12-11 | 天津天绿健科技有限公司 | A kind of sewage treatment inclined-plate clarifying basin |
| CN209361922U (en) * | 2018-09-13 | 2019-09-10 | 湖北张江至清环境工程有限公司 | A kind of sewage treatment sedimentation basin |
| CN109513239A (en) * | 2018-12-05 | 2019-03-26 | 珠海力新环保有限公司 | A kind of vari ramp sedimentation basin and its method of adjustment |
| CN209612289U (en) * | 2018-12-25 | 2019-11-12 | 南京兆元安全环境科技服务有限公司 | A kind of controllable floating type inclined-plate clarifying basin |
| CN209967756U (en) * | 2019-02-21 | 2020-01-21 | 合肥海智际电子科技有限公司 | Inclined tube sedimentation tank |
| CN110975343A (en) * | 2019-12-24 | 2020-04-10 | 深圳市宇思环保科技有限公司 | Sludge discharge method for sedimentation tank |
| CN212091037U (en) * | 2020-05-09 | 2020-12-08 | 河南维佳特环保科技有限公司 | Hierarchical high-efficient pipe chute settlement equipment |
| CN213895325U (en) * | 2020-12-06 | 2021-08-06 | 南京深蓝水处理技术有限公司 | Submersible sewage treatment stirring device for sewage station |
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