CN212559688U - Papermaking sewage treatment grit chamber - Google Patents
Papermaking sewage treatment grit chamber Download PDFInfo
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- CN212559688U CN212559688U CN202020741192.2U CN202020741192U CN212559688U CN 212559688 U CN212559688 U CN 212559688U CN 202020741192 U CN202020741192 U CN 202020741192U CN 212559688 U CN212559688 U CN 212559688U
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Abstract
The utility model discloses a papermaking sewage treatment grit chamber, which belongs to the technical field of papermaking sewage treatment, and comprises a grit chamber main body, wherein the upper part and the lower part of the grit chamber main body are respectively an aeration chamber and a grit chamber which are communicated with each other, one side of the top of the aeration chamber is provided with an opening, the side wall of the opening side is provided with an aeration device, the other side of the aeration chamber main body is provided with a stirring device, a sand suction pump is arranged in the grit chamber, the top of the sand suction pump is vertically connected with a sand suction pipe, and the outer side wall of the sand suction pipe; the other end of the sand suction pipe is connected with a travelling mechanism arranged on one side of the aeration chamber, the travelling mechanism comprises an electric slide rail and a sliding frame arranged on the electric slide rail, a sand-water separator is fixedly arranged in the sliding frame, and the sand suction pipe is communicated with an inlet of the sand-water separator. The utility model discloses an optimize the innovation to grit chamber structure, improved the aeration scouring degree to impurity such as grit in the sewage, reduced the organic matter content in the grit, avoided secondary pollution, solved the inconvenient problem of emission processing of grit among the prior art simultaneously.
Description
Technical Field
The utility model relates to a papermaking sewage treatment technical field specifically is a papermaking sewage treatment grit chamber.
Background
The phenomena of water source pollution, environmental pollution and water resource waste caused by the papermaking industry in China are very serious. At present, partial manufacturers in the papermaking industry of China effectively achieve the sewage treatment effect by constructing sewage treatment projects. The first step of the treatment process of the papermaking sewage is to adopt a grit chamber to settle and separate substances such as silt and sand in the wastewater in advance, so that the grit chamber is the front end of the papermaking sewage treatment and is mainly used for removing inorganic easily-settled substances in the wastewater, such as sand, coal slag and other inorganic particles with large specific gravity, so as to prevent the impurities from influencing the normal operation of a subsequent treatment structure. The grit chamber is generally divided into a horizontal flow type grit chamber and an aeration grit chamber, wherein the content of organic matters in the grit of the aeration grit chamber is less than 5%, and the aeration device is arranged in the chamber, so that the grit chamber has the functions of pre-aeration, deodorization, prevention of anaerobic decomposition of sewage, defoaming, acceleration of separation of oil in the sewage and the like, and is widely applied to actual sewage treatment.
In the existing grit chamber, a grit discharge port is usually arranged at the bottom of the grit chamber, and when the settled sand reaches a certain amount, the grit discharge port is opened for settled sand discharge, so that the operation needs to monitor the condition of the settled sand in the grit chamber in real time, and the grit discharge time and the opening degree of the grit discharge port need to be considered when the grit discharge port is opened, so that great inconvenience is brought; meanwhile, the existing grit chamber also has the problems that the organic pollutants on the surfaces of inorganic impurities such as sand and stone in sewage are not washed in place due to insufficient aeration, the content of organic matters in the grit exceeds the standard, and the grit chamber is easy to corrode after being placed for a long time to cause secondary pollution.
Disclosure of Invention
The utility model aims at providing a papermaking sewage treatment grit chamber optimizes the innovation through the grit chamber structure, improves its aeration scouring degree to impurity such as grit in the sewage, reduces the organic matter content in the grit to avoid secondary pollution, simultaneously, solve the inconvenient problem of emission processing of grit among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a papermaking sewage treatment grit chamber comprises a grit chamber main body, and a water inlet and a water outlet which are respectively arranged at the front end and the rear end of the grit chamber main body, wherein the upper part and the lower part of the grit chamber main body are respectively an aeration chamber and a grit chamber which are communicated with each other;
an opening is formed in one side of the top of the aeration chamber, an aeration device is arranged on the side wall of the opening side of the top of the aeration chamber, and a stirring device is arranged on the side far away from the opening side;
a sand suction pump is arranged in the sand setting chamber, the top of the sand suction pump is vertically connected with a sand suction pipe, and the sand suction pipe upwards penetrates through an opening in the top of the aeration chamber and is connected with a travelling mechanism arranged on one side of the aeration chamber;
the travelling mechanism comprises an electric slide rail fixedly arranged on one side of the aeration chamber and a sliding frame arranged on the electric slide rail, and a sand-water separator is fixedly arranged in the sliding frame for connection; the sand suction pipe is communicated with an inlet of the sand-water separator.
Further, the aeration device comprises a fan and an aeration pipe connected with the fan, the fan is fixedly arranged on the side wall of the opening side of the top of the aeration chamber, and the fan is provided with an aeration quantity regulating valve; the aeration pipe vertically extends downwards into the aeration chamber.
Furthermore, agitating unit is including setting up the motor at the aeration chamber top, the pivot output of motor passes through shaft coupling fixedly connected with (mixing) shaft, the (mixing) shaft runs through the aeration chamber top and extends to in the aeration chamber, be located the fixed stirring leaf that is provided with on the (mixing) shaft in the aeration chamber.
Further, inhale evenly be equipped with supplementary stirring portion on the lateral wall of sand pipe, supplementary stirring portion include the bearing and with the outer lane fixed connection's of bearing rotating vane, the inner circle of bearing with inhale the outer wall interference of sand pipe and be connected.
Furthermore, the inner side wall of the sand setting chamber is arc-shaped.
Furthermore, the stirring blade and the rotating blade are both designed into curved surfaces.
Furthermore, a fluid rectifier is arranged at the water inlet.
As preferred scheme, it is further, the utility model discloses still provide another kind of papermaking sewage treatment grit chamber, its two aforementioned grit chamber main parts that include bilateral symmetry, the same lateral wall of adjacent side sharing of two grit chamber main parts, running gear set up in the top of same lateral wall, the same running gear of two grit chamber main parts sharing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses both sides at the aeration chamber are equipped with aeration equipment and agitating unit respectively, when sewage treatment capacity is great, through opening agitating unit, can strengthen the spiral backward flow of sewage in the pond, the granule that suspends in sewage collides each other, the friction, cooperation aeration equipment, carry out abundant aeration to the organic pollutant on suspension granule impurity surfaces such as grit and erode, make the organic pollutant of adhesion on the sand grain get rid of, improve the purity of the sand grain of sinking in the grit chamber, reduce the organic matter content of grit, the grit is shelved for a long time and is difficult for the corruption, avoid secondary pollution.
2. The utility model discloses lateral wall at inhaling the sand pipe is equipped with supplementary stirring portion, and it passes through the bearing interference with inhaling the sand pipe and be connected, and it receives the rivers impact and can form rotatoryly to further strengthen the spiral backward flow effect of sewage in the pond, and its rotation only relies on the rivers impact, need not to consume extra energy consumption, very is favorable to the cost control of grit chamber function.
3. The utility model discloses set up the sand suction pump in the grit chamber, the sand suction pump is connected with running gear through the vertical connection sand suction pipe in top, and the reciprocating motion can make a round trip in the grit chamber through the drive of running gear in operation, and the grit in the grit chamber is absorbed and removed in real time and fast, has improved the degritting rate; and the sand suction pump is connected with the sand-water separator through the top vertical connection sand suction pipe, further treatment can be carried out on the sucked sand setting, and the sand setting treatment efficiency is improved.
4. The stirring blades of the stirring device and the rotating blades of the auxiliary stirring part are designed into curved surfaces, so that the contact area with water flow can be increased, and the spiral backflow effect of the stirring device on the water flow is further enlarged; the inner side wall of the sand setting chamber is designed to be arc-shaped, so that sand grains in the sand setting chamber can be prevented from being rolled up again, sand suction dead angles can be avoided, and the sand removal efficiency of the sand suction pump is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole structure of the sand suction pipe of the present invention with an auxiliary stirring part;
FIG. 3 is a schematic structural diagram according to a second embodiment;
FIG. 4 is a schematic top view of the structure of FIG. 3;
fig. 5 is a schematic cross-sectional view at a in fig. 4.
In the figure:
1. the sand basin comprises a sand basin main body 11, a water inlet 12, a water outlet 13 and a fluid rectifier;
2. an aeration chamber; 3. a sand setting chamber;
4. an aeration device 41, a fan 42 and an aeration pipe;
5. the stirring device 51, the motor 52, the stirring shaft 53 and the stirring blade;
6. a sand suction pump; 7. a sand suction pipe 71, an auxiliary stirring part 71a, a bearing 71b and a rotating blade 71 b;
8. a traveling mechanism 81, an electric slide rail 82 and a slide frame; 9. a sand-water separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1-2, the papermaking sewage treatment grit chamber provided by the utility model comprises a grit chamber main body 1, and a water inlet 11 and a water outlet 12 which are respectively arranged at the front end and the rear end of the grit chamber main body, wherein a fluid rectifier 13 is arranged at the water inlet 11, so that the water flow speed entering the grit chamber is controlled at a constant speed, and the uniformity of aeration scouring in the later period is improved; the upper part and the lower part of the grit chamber main body 1 are respectively an aeration chamber 2 and a grit chamber 3 which are communicated with each other, the bottom of the aeration chamber 2 is arranged in a downward inclined plane, and the inclined plane at the bottom of the aeration chamber 2 is communicated with the grit chamber 3; an opening is formed in one side of the top of the aeration chamber 2, an aeration device 4 is arranged on the side wall of the opening side of the top of the aeration chamber 2, the aeration device 4 comprises a fan 41 and an aeration pipe 42 connected with the fan 41, the fan 41 is fixedly arranged on the side wall of the opening side of the top of the aeration chamber 2, the fan 41 is provided with an aeration amount adjusting valve (not shown in the figure), and the aeration pipe 42 vertically extends downwards into the aeration chamber 2; a stirring device 5 is arranged on one side of the top of the aeration chamber 2, which is far away from the opening side, the stirring device 5 comprises a motor 51 arranged on the top of the aeration chamber 2, the output end of a rotating shaft of the motor 51 is fixedly connected with a stirring shaft 52 through a coupler, a through hole is also arranged at the position, corresponding to the stirring shaft 52, of the top of the aeration chamber 2, the stirring shaft 52 penetrates through the top of the aeration chamber 2 through the through hole and extends into the aeration chamber 2, and a stirring blade 53 is fixedly arranged on the stirring shaft 52 in the aeration chamber 2;
a sand suction pump 6 is arranged in the sand setting chamber 3, the top of the sand suction pump 6 is vertically connected with a sand suction pipe 7, the sand suction pipe 7 is in an inverted L shape and made of a hard high-strength anti-falling wear-resistant material, the bottom end of the sand suction pipe is connected with a discharge hole of the sand suction pump 6, and the top end of the sand suction pipe penetrates through an opening at the top of the aeration chamber 2 and is connected with a travelling mechanism 8 arranged on one side of the aeration chamber 2; the travelling mechanism 8 comprises an electric slide rail 81 fixedly arranged on one side of the aeration chamber 2 and a slide frame 82 arranged on the electric slide rail, and a sand-water separator 9 is fixedly arranged in the slide frame 82 for connection; the sand suction pipe 7 is communicated with an inlet of the sand-water separator 9.
Preferably, the outer side wall of the sand suction pipe 7 is uniformly provided with auxiliary stirring parts 71, each auxiliary stirring part 71 comprises a bearing 71a and a rotating blade 71b fixedly connected with the outer ring of the bearing 71a, and the inner ring of the bearing 71a is in interference connection with the outer wall of the sand suction pipe 7.
As a preferable scheme, further, the inner side wall of the sand setting chamber 3 is arc-shaped, so that sand in the sand setting chamber can be prevented from being rolled up again, sand suction dead corners can be avoided, and the sand removing efficiency of the sand suction pump is improved.
Preferably, the stirring vanes 53 and the rotating vanes 71b are curved, so as to increase the contact area with the water flow and further increase the spiral backflow effect of the stirring on the water flow.
The working principle is as follows: the grit chamber of the present embodiment is constructed on the ground surface in the form of a pit. When the device is used, sewage to be treated is discharged into a sand settling tank through a water inlet, the aeration device 4 is started to aerate and wash impurities such as sand grains in the sewage, at the moment, the auxiliary stirring part 71 on the outer side wall of the sand suction pipe 7 can play a certain stirring role on water quantity, and if the water quantity is large, the stirring device 5 can be synchronously started to fully stir the sewage, so that a strong spiral backflow effect is formed, organic pollutants on the surfaces of suspended particle impurities such as sand stones and the like are fully aerated and washed, and the organic pollutants adhered to the sand grains are removed; when the aeration treatment is carried out for a certain time, the settled sand in the settled sand chamber 3 is accumulated, the sand suction pump 6 and the travelling mechanism 8 can be started at the moment, the sand suction pump 6 is driven by the travelling mechanism 8 to reciprocate in the settled sand chamber 3, and the settled sand in the settled sand chamber 3 can be sucked and removed completely and rapidly in real time; the sand and stone which are sucked out are sent to a sand-water separator 9 through a sand suction pipe 7 which is vertically connected with the top, and the sand-water separator 9 further processes the sand and sand which are sucked out, so that the sand setting treatment efficiency is improved. In the continuous dynamic treatment process, the water inlet 11 starts the fluid rectifier 13 to ensure the uniformity of the speed of the entering water flow, the auxiliary stirrer 71 plays the stirring role in the water flow along with the reciprocating movement of the sand suction pipe 7, and when the treatment state reaches a steady state, the stirring speed of the stirring device 5 and the aeration quantity of the aeration device 4 can be reduced, so that the energy consumption is reduced, and the air pollution caused by a large amount of aeration is avoided.
Example two
As shown in fig. 3 to 5, in this embodiment, on the basis of the first embodiment, another papermaking wastewater treatment grit tank group is provided, which includes two grit chamber main bodies 1 as described in the first embodiment that are bilaterally symmetric, adjacent sides of the two grit chamber main bodies 1 share the same side wall, the traveling mechanism 8 is disposed at the top end of the same side wall, and the two grit chamber main bodies 1 share the same traveling mechanism 8, so that the structural arrangement makes full use of equipment resources, and is beneficial to improving wastewater treatment capability of a papermaking factory; two adjacent digging pits of grit chamber are built, and the same running gear of sharing, are favorable to reducing the purchase of running gear and power consumption, and sewage treatment operating efficiency is higher simultaneously, if necessary still can be connected the water inlet of one of them and the delivery port of another of two grit chambers to realize secondary sand setting, further improve the sand setting effect, establish the basis for subsequent sewage treatment effect.
It should be noted that, in the present invention, the electrical devices such as the stirring device, the aeration device, the traveling mechanism, the fluid rectifier, the sand separator, and the sand pump all have corresponding power devices to supply electric energy, the connection mode and the electric energy supply mode of the power devices are the known technologies in the art, and the electrical relationship related to each structure is also the common general knowledge in the art, and the present invention is not limited and explained in detail.
In the above description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "top", "bottom", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the device of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art usually understands, and only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
The foregoing is considered as illustrative only of certain exemplary embodiments of this invention, and is therefore to be understood that the drawings and descriptions will be regarded as illustrative in nature and not as restrictive. It should also be noted that, for those skilled in the art, a plurality of improvements and additions can be made in various ways without departing from the principles of the present invention, and these improvements and additions should also be considered as the protection scope of the present invention.
Claims (8)
1. The papermaking sewage treatment grit chamber is characterized by comprising a grit chamber main body, and a water inlet and a water outlet which are respectively arranged at the front end and the rear end of the grit chamber main body, wherein the upper part and the lower part of the grit chamber main body are respectively an aeration chamber and a grit chamber which are mutually communicated;
an opening is formed in one side of the top of the aeration chamber, an aeration device is arranged on the side wall of the opening side of the top of the aeration chamber, and a stirring device is arranged on the side far away from the opening side;
a sand suction pump is arranged in the sand setting chamber, the top of the sand suction pump is vertically connected with a sand suction pipe, and the sand suction pipe upwards penetrates through an opening in the top of the aeration chamber and is connected with a travelling mechanism arranged on one side of the aeration chamber;
the travelling mechanism comprises an electric slide rail fixedly arranged on one side of the aeration chamber and a sliding frame arranged on the electric slide rail, and a sand-water separator is fixedly arranged in the sliding frame for connection; the sand suction pipe is communicated with an inlet of the sand-water separator.
2. The papermaking wastewater treatment grit chamber as defined in claim 1, wherein the aeration device comprises a blower and an aeration pipe connected thereto, the blower is fixedly mounted on the side wall of the top opening side of the aeration chamber, and the blower is provided with an aeration rate regulating valve; the aeration pipe vertically extends downwards into the aeration chamber.
3. The papermaking sewage treatment grit chamber as recited in claim 1, wherein the stirring device comprises a motor disposed at the top of the aeration chamber, the output end of the rotating shaft of the motor is fixedly connected with a stirring shaft through a coupling, the stirring shaft extends into the aeration chamber through the top of the aeration chamber, and stirring blades are fixedly disposed on the stirring shaft located in the aeration chamber.
4. The papermaking sewage treatment grit chamber as defined in claim 1, wherein the outer side wall of the sand suction pipe is uniformly provided with auxiliary stirring portions, each auxiliary stirring portion comprises a bearing and a rotating blade fixedly connected with the outer ring of the bearing, and the inner ring of the bearing is in interference connection with the outer wall of the sand suction pipe.
5. The papermaking wastewater treatment grit chamber as defined in claim 1, wherein the inner side wall of said grit chamber is in the shape of a circular arc.
6. The papermaking wastewater treatment grit chamber as defined in claim 1, wherein a fluid rectifier is provided at said water inlet.
7. The papermaking wastewater treatment grit chamber of claim 3, wherein the stirring vanes are of curved design.
8. The papermaking wastewater treatment grit chamber of claim 4, wherein said rotating vanes are of curved design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741192.2U CN212559688U (en) | 2020-05-08 | 2020-05-08 | Papermaking sewage treatment grit chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741192.2U CN212559688U (en) | 2020-05-08 | 2020-05-08 | Papermaking sewage treatment grit chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212559688U true CN212559688U (en) | 2021-02-19 |
Family
ID=74608357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020741192.2U Active CN212559688U (en) | 2020-05-08 | 2020-05-08 | Papermaking sewage treatment grit chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212559688U (en) |
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2020
- 2020-05-08 CN CN202020741192.2U patent/CN212559688U/en active Active
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