CN105776418B - A kind of environmental protection sludge of drinking water separation method - Google Patents
A kind of environmental protection sludge of drinking water separation method Download PDFInfo
- Publication number
- CN105776418B CN105776418B CN201610217498.6A CN201610217498A CN105776418B CN 105776418 B CN105776418 B CN 105776418B CN 201610217498 A CN201610217498 A CN 201610217498A CN 105776418 B CN105776418 B CN 105776418B
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- rotary drum
- spiral
- drinking water
- phase material
- sludge
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Centrifugal Separators (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of environmentally friendly sludge of drinking water separation methods, by rotating spiral pusher cylinder and rotary drum respectively with the first revolving speed and the second revolving speed, it realizes and secondary separation is carried out to sludge of drinking water mixed slurry, and liquid phase material is drawn after separating, and it is discharged after squeezing the solid-phase material after separation, furthermore residual solid-phase material undischarged in rotary drum is dispersed again, and it is separated again after dispersing, it is pre-processed without being added chemical agent to sludge of drinking water, realize being completely separated for sludge of drinking water, it reduces environmental pollution, greatly improve separative efficiency.
Description
Technical field
The present invention relates to sludge separating treatment technical field more particularly to a kind of environmentally friendly sludge of drinking water separation methods.
Background technique
With the development of scientific and technological level and the raising of environmental protection consciousness, people increasingly pay close attention to sludge water from water works and
The handling problems of sludge, sludge dewatering separating treatment final disposal mud cake are a difficulty of the current waterworks to Treatment of Sludge
Point.
Contain various moisture in alum sludge, they exist with different states, including Free water, alumen ustum water, hair
Thin water and combine water.The removal of moisture in the above sludge, traditional method are pre-processed by adding chemical agent, so
It is separated by solid-liquid separation afterwards with traditional centrifuge, but during processing, solid content is lower in mud cake, simultaneously because additionization
It learns medicament to be pre-processed, there is certain pollution to water quality.
Meanwhile traditional centrifuge, in processing sludge separation process, since the particle of sludge of drinking water is smaller, water dissolves
Speed is fast, and slip is big, is difficult to release isolated sludge.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of environmentally friendly sludge of drinking water separation method.
A kind of environmentally friendly sludge of drinking water separation method proposed by the present invention, including the following steps:
S1, slurry to be processed is introduced by the feed cavity in spiral pusher cylinder by feed inlet, spiral is rotated with the first revolving speed
Pusher cylinder makes slurry to be processed carry out pre-separation；
S2, the spiral separation channel that slurry pre-separated in S1 is introduced to rotary drum by the cloth hole of spiral pusher cylinder,
With the second revolving speed rotary drum, pre-separated pulp separation is made to be attached to the solid-phase material of the spiral separation channel side wall
With the liquid phase material for being located at the spiral separation channel middle, wherein the spiral separation channel, which is located in rotary drum and surrounds, to be turned
Bulging shaft screw arrangement；
S3, the liquid phase material separated in S2 is drawn from the liquid outlet of rotary drum by above-mentioned spiral separation channel；
S4, the solid-phase material separated in S2 is pressed further by；
S5, solid-phase material after extruding in S4 is discharged from the discharge port of rotary drum.
Preferably, in S1, the feed cavity internal diameter is gradually increased from close to feed inlet one end to far from feed inlet one end,
So that slurry to be processed suffered centrifugal force in fill process is gradually increased.
Preferably, spiral pusher cylinder is located in rotary drum, and spiral pusher cylinder periphery is equipped with helical blade, and the helical blade exists
Spiral separation channel is formed between spiral pusher drum outer wall and drum inner wall.
Preferably, further includes: S6, will be fed again into the spiral separation after solid-phase material undischarged in rotary drum dispersion and lead to
Road is separated.
Preferably, in S6, solid-phase material dispersion will not be discharged by the feed back chamber in spiral pusher cylinder in rotary drum, wherein
The feed back chamber is located at feed cavity far from feed inlet side, and feed back chamber periphery is equipped with feed back entrance and feed back exports.
Preferably, the feed back inlet is equipped with sieve, makes the solid-phase material that is not discharged into shape after the feed back chamber
At graininess.
Preferably, the feed back outlet is located at the feed back entrance far from discharge port side.
Preferably, the intracavitary diameter of the feed back is gradually reduced from close to discharge port one end to far from discharge port one end, makes score
Dissipate after mixed material from feed back entrance to feed back outlet moving process in suffered centrifugal force be gradually increased.
Preferably, in S2, spiral pusher cylinder is identical as rotary drum steering and the first revolving speed is less than the second revolving speed.
In the present invention, the environmentally friendly sludge of drinking water separation method proposed is realized by rotation spiral pusher cylinder and rotary drum
Secondary separation is carried out to sludge of drinking water mixed slurry, and liquid phase material after separation is drawn, and to the solid formation after separation
Material is discharged after being squeezed, and is furthermore dispersed again to residual solid-phase material undischarged in rotary drum, and after dispersion again
Separation, pre-processes without being added chemical agent to sludge of drinking water, realizes being completely separated for sludge of drinking water,
It reduces environmental pollution, greatly improves separative efficiency.
Detailed description of the invention
Fig. 1 is a kind of flow chart of environmentally friendly sludge of drinking water separation method proposed by the present invention.
Fig. 2 is the structural schematic diagram of sludge of drinking water separation equipment proposed by the present invention.
Specific embodiment
As illustrated in fig. 1 and 2, Fig. 1 is a kind of flow chart of environmentally friendly sludge of drinking water separation method proposed by the present invention, Fig. 2
For the structural schematic diagram of sludge of drinking water separation equipment proposed by the present invention.
Referring to Fig.1, a kind of environmentally friendly sludge of drinking water separation method proposed by the present invention, including the following steps:
S1, slurry to be processed is introduced by the feed cavity in spiral pusher cylinder by feed inlet, spiral is rotated with the first revolving speed
Pusher cylinder makes slurry to be processed carry out pre-separation；Preferably, the feed cavity internal diameter is fed from close to feed inlet one end to separate
Mouth one end is gradually increased, so that slurry to be processed suffered centrifugal force in fill process is gradually increased；
S2, the spiral separation channel that slurry pre-separated in S1 is introduced to rotary drum by the cloth hole of spiral pusher cylinder,
With the second revolving speed rotary drum, pre-separated pulp separation is made to be attached to the solid-phase material of the spiral separation channel side wall
With the liquid phase material for being located at the spiral separation channel middle, wherein the spiral separation channel, which is located in rotary drum and surrounds, to be turned
Bulging shaft screw arrangement, spiral pusher cylinder is identical as rotary drum steering and the first revolving speed is less than the second revolving speed；Preferably, spiral pushes away
Barrel is located in rotary drum, and spiral pusher cylinder periphery is equipped with helical blade, and the helical blade is in spiral pusher drum outer wall and rotary drum
Spiral separation channel is formed between inner wall；
S3, the liquid phase material separated in S2 is drawn from the liquid outlet of rotary drum by above-mentioned spiral separation channel；
S4, the solid-phase material separated in S2 is pressed further by；
S5, solid-phase material after extruding in S4 is discharged from the discharge port of rotary drum；
S6, it will be fed again into the spiral separation channel after solid-phase material undischarged in rotary drum dispersion and separate,
In, solid-phase material dispersion will not be discharged by the feed back chamber in spiral pusher cylinder in rotary drum, wherein the feed back chamber is located at charging
Chamber is far from feed inlet side, and feed back chamber periphery is equipped with feed back entrance and feed back exports, and the feed back inlet is equipped with sieve,
Described be not discharged after solid-phase material enters the feed back chamber is set to form graininess, it is remote that the feed back outlet is located at the feed back entrance
Material mouth side is separated out, the intracavitary diameter of feed back is gradually reduced from close to discharge port one end to far from discharge port one end, so that dispersion
Mixed material afterwards from feed back entrance to feed back outlet moving process in suffered centrifugal force be gradually increased.
In the present embodiment, the environmentally friendly sludge of drinking water separation method proposed, by rotating spiral pusher cylinder and rotary drum,
It realizes and secondary separation is carried out to sludge of drinking water mixed slurry, and liquid phase material after separation is drawn, and to consolidating after separation
Phase materials are discharged after being squeezed, and are furthermore dispersed again to residual solid-phase material undischarged in rotary drum, and after dispersion
Again it separates, is pre-processed without being added chemical agent to sludge of drinking water, realize the thorough of sludge of drinking water
Separation, reduces environmental pollution, greatly improves separative efficiency.
Environmentally friendly sludge of drinking water separation side is described in detail in conjunction with the sludge of drinking water separation equipment of Fig. 2 in embodiment below
Method.
Referring to Fig. 2, a kind of sludge of drinking water separation equipment proposed by the present invention, comprising: rotary drum 1, spiral pusher cylinder 2, the
One driving device, the second driving device；
Rotary drum 1 is horizontally disposed, and 1 one end of rotary drum is equipped with feed inlet and liquid outlet and the other end is equipped with discharge port, inside rotary drum 1
Equipped with the accommodating chamber extended from feed inlet one end to discharge port one end, the accommodating chamber includes disengagement chamber and extrusion chamber, is squeezed
Pressure chamber is located at disengagement chamber far from feed inlet side, and extrusion chamber internal diameter gradually subtracts from close to disengagement chamber one end to far from disengagement chamber one end
It is small；
Spiral pusher cylinder 2 is located in the accommodating chamber and is arranged along feed inlet to discharge port direction, and spiral pusher cylinder 2 wraps
Include pusher portion and material extrusion portion, the pusher portion is located in the disengagement chamber and outer wall with described separate forms back liquid between cavity wall
Channel, the back flow channel are connected to liquid outlet, and pusher portion periphery is equipped with the first helical blade 21 and first spiral
Blade 21 separates cavity wall clearance fit with described, and the material extrusion portion is located in the extrusion chamber, and material extrusion portion periphery is equipped with
Second helical blade 22 and the second helical blade 22 and the extruding cavity wall clearance fit, spiral pusher cylinder 2 is interior to be equipped with charging
Chamber and feed back chamber, the feed cavity side wall are equipped with cloth hole, and the feed cavity is connected by the cloth hole and the back flow channel
Logical, feed cavity extends from close to described feed inlet one end to middle part, and feed cavity internal diameter is from close feed inlet one end to far from charging
Mouth one end is gradually increased, and feed back chamber is located at feed cavity far from the feed inlet side, and interval is equipped between feed back chamber and feed cavity
The internal diameter of wall, feed back chamber is gradually increased from far from described feed cavity one end to close to described feed cavity one end, on feed back chamber side wall
It is exported equipped with multiple feed back entrances and multiple feed backs, multiple feed backs enter the distribution of 2 even circumferential of opening's edge spiral pusher cylinder, multiple feed backs
Outlet is distributed along 2 even circumferential of spiral pusher cylinder, and feed back entrance is located at feed back and exports far from the feed cavity side, feed back entrance
Place is equipped with strainer 3；
The output shaft of first driving device is connect with the shaft of rotary drum 1, and first driving device is for driving rotary drum 1 around it
Shaft rotation, the output shaft of the second driving device are connect with the shaft of spiral pusher cylinder 2, and the second driving device is for driving spiral
Pusher cylinder 2 rotates.
In the specific work process of the sludge of drinking water efficient centrifugal equipment of the present embodiment, slurry to be separated enters charging
Then chamber enters the disengagement chamber between rotary drum and spiral pusher cylinder from cloth hole, since rotary drum is identical as spiral pusher cylinder steering,
And the revolving speed of rotary drum is greater than spiral pusher cylinder, and slurry is completely separated in rotary drum, and the solid phase after separation is assisted in rotary drum
On inner wall, under the action of spiral pusher cylinder, solid phase sludge is pushed to rotary drum discharge port side, and the clear liquid after separating is along enclosing
Rotary drum liquid outlet is back to around the helical duct of spiral pusher drum outer wall；As spiral pusher cylinder rotates, solid-phase material is from discharging
Mouth discharge, and the higher solid phase sludge of moisture content remains in rotary drum, residual sludge is passed through from feed back inlet under pressure
Enter feed back chamber after strainer dispersion, then reenters disengagement chamber from feed back outlet and separated, to guarantee solid phase sludge more
Add and is thoroughly discharged.
By the optimization design to feed cavity, in pre-separation room, diameter is ascending is gradually increased, and the internal diameter of distributor chamber
Greater than the maximum inner diameter of pre-separation room, so that centrifugal force suffered by slurry is gradually increased, slurry makes to compare under the influence of centrifugal force
The biggish solid phase of weight has the trend moved to outer ring, and the lesser liquid phase of specific gravity moves in the middle part of pre-separating cavity, greatly improves
The pre-separation effect of slurry.
By the optimization design to rotary drum and spiral pusher cylinder, the solid phase after separation is pushed away under the action of spiral pusher cylinder
To the taper portion of rotary drum, since the internal diameter of taper portion is gradually reduced, solid phase sludge is pressed further by, and further decreases sludge
Moisture content improves separating effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of environmental protection sludge of drinking water separation method, characterized in that it comprises the following steps:
S1, slurry to be processed is introduced by the feed cavity in spiral pusher cylinder by feed inlet, spiral pusher is rotated with the first revolving speed
Cylinder makes slurry to be processed carry out pre-separation；
S2, the spiral separation channel that slurry pre-separated in S1 is introduced to rotary drum by the cloth hole of spiral pusher cylinder, with the
Two revolving speed rotary drums make pre-separated pulp separation be attached to solid-phase material and the position of the spiral separation channel side wall
In the liquid phase material of the spiral separation channel middle, wherein the spiral separation channel is located in rotary drum and around rotary drum
Shaft screw arrangement；
S3, the liquid phase material separated in S2 is drawn from the liquid outlet of rotary drum by above-mentioned spiral separation channel；
S4, the solid-phase material separated in S2 is pressed further by；
S5, solid-phase material after extruding in S4 is discharged from the discharge port of rotary drum；
Further include: S6, it will be fed again into the spiral separation channel after solid-phase material undischarged in rotary drum dispersion and separate；
In S6, solid-phase material dispersion will not be discharged by the feed back chamber in spiral pusher cylinder in rotary drum, wherein the feed back chamber
Positioned at feed cavity far from feed inlet side, feed back chamber periphery is equipped with feed back entrance and feed back exports.
2. environmental protection sludge of drinking water separation method according to claim 1, which is characterized in that in S1, the feed cavity
Internal diameter from close to feed inlet one end to being gradually increased far from feed inlet one end so that slurry to be processed in fill process it is suffered from
Mental and physical efforts are gradually increased.
3. environmental protection sludge of drinking water separation method according to claim 1, which is characterized in that spiral pusher cylinder is located at rotary drum
Interior, spiral pusher cylinder periphery is equipped with helical blade, and the helical blade is formed between spiral pusher drum outer wall and drum inner wall
Spiral separation channel.
4. environmental protection sludge of drinking water separation method according to claim 1, which is characterized in that the feed back inlet is equipped with
Sieve makes described be not discharged after solid-phase material enters the feed back chamber form graininess.
5. environmental protection sludge of drinking water separation method according to claim 1, which is characterized in that the feed back outlet is located at institute
Feed back entrance is stated far from discharge port side.
6. environmental protection sludge of drinking water separation method according to claim 1, which is characterized in that in S2, spiral pusher cylinder
And first revolving speed identical as rotary drum steering is less than the second revolving speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217498.6A CN105776418B (en) | 2016-04-07 | 2016-04-07 | A kind of environmental protection sludge of drinking water separation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217498.6A CN105776418B (en) | 2016-04-07 | 2016-04-07 | A kind of environmental protection sludge of drinking water separation method |
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| Publication Number | Publication Date |
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| CN105776418A CN105776418A (en) | 2016-07-20 |
| CN105776418B true CN105776418B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610217498.6A Active CN105776418B (en) | 2016-04-07 | 2016-04-07 | A kind of environmental protection sludge of drinking water separation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116328457B (en) * | 2023-03-16 | 2023-12-19 | 浙江伊诺环保集团股份有限公司 | Fly ash pulping water washing process and pulping water washing equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6406054A (en) * | 1963-07-25 | 1965-01-26 | ||
| CN2933585Y (en) * | 2006-04-21 | 2007-08-15 | 上海市离心机械研究所有限公司 | Horizontal centrifuge spiral mechanism |
| CN103433155A (en) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | Spiral pushing device of horizontal spiral discharge sedimentary centrifuge |
| CN204620228U (en) * | 2015-04-23 | 2015-09-09 | 江苏恒亮离心机制造有限公司 | Downflow type horizontal screw centrifuge CMC separating feed system |
| CN104959240A (en) * | 2015-05-23 | 2015-10-07 | 安徽普源分离机械制造有限公司 | Horizontal spiral discharging sedimentation centrifuge for energy-efficient proteins |
-
2016
- 2016-04-07 CN CN201610217498.6A patent/CN105776418B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6406054A (en) * | 1963-07-25 | 1965-01-26 | ||
| CN2933585Y (en) * | 2006-04-21 | 2007-08-15 | 上海市离心机械研究所有限公司 | Horizontal centrifuge spiral mechanism |
| CN103433155A (en) * | 2013-08-12 | 2013-12-11 | 江苏捷达离心机制造有限公司 | Spiral pushing device of horizontal spiral discharge sedimentary centrifuge |
| CN204620228U (en) * | 2015-04-23 | 2015-09-09 | 江苏恒亮离心机制造有限公司 | Downflow type horizontal screw centrifuge CMC separating feed system |
| CN104959240A (en) * | 2015-05-23 | 2015-10-07 | 安徽普源分离机械制造有限公司 | Horizontal spiral discharging sedimentation centrifuge for energy-efficient proteins |
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| CN105776418A (en) | 2016-07-20 |
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