CN215288211U - A grit chamber for sewage treatment - Google Patents

Abstract

The utility model discloses a grit chamber for sewage treatment, this grit chamber includes the cell body that is used for the sediment and is used for the sand suction pump of sand discharging, the bottom intercommunication of cell body is fixed with sand collection tank, one side intercommunication of sand collection tank is fixed with sand discharge pipe, the one end of sand discharge pipe with sand suction pump's sand suction mouth intercommunication is fixed, the opposite side intercommunication of sand collection tank is fixed with the spray pipe, the tip of spray pipe is installed the shower nozzle, the other end of spray pipe is provided with the water pump, the top of cell body fixedly connected with connecting plate, the center department of connecting plate rotates and is connected with the dwang, the both sides of fixed cover are fixedly connected with the impeller that is used for stirring sewage respectively, the top of connecting plate is provided with the drive case that is used for driving the dwang is rotatory; the utility model discloses a grit chamber can mix sewage fast revolution in order to form the vortex to improve the sedimentation rate of grit in the sewage, improve sand setting efficiency.

Description

A grit chamber for sewage treatment

Technical Field

The utility model relates to a sewage treatment field, in particular to a grit chamber for sewage treatment.

Background

The sewage is inevitably mixed into the silt in the migration, flow and collection processes. If the sand in the sewage is not removed by settlement separation in advance, the operation of subsequent treatment equipment can be influenced. The most important is to abrade the pump, block the pipe network, and interfere or even destroy the biochemical treatment process. The grit chamber is mainly used for removing sand grains with the grain diameter of more than 0.2mm and the density of more than 2.65 t/cubic meter in sewage so as to protect pipelines, valves and other facilities from abrasion and blockage. The working principle is based on gravity separation, so the water inflow velocity of the grit chamber is controlled, inorganic particles with large specific gravity sink, and organic suspended particles can be taken away along with water flow.

Reference is made to the chinese patent with publication number CN107673455A, which discloses an aeration grit chamber, characterized in that it comprises a chamber body, one side of the chamber body is provided with a water inlet, and the other side is provided with a water outlet; a sand collecting groove is arranged between the water inlet side and the water outlet side of the tank body and at the position close to the water outlet at the bottom of the tank body, and an aeration device is arranged above the sand collecting groove; the aeration device comprises a bracket fixed at the bottom of the sand collecting groove and an aeration pipeline detachably arranged on the bracket; the aeration pipeline comprises an air inlet pipe communicated with the inside and the outside of the tank body and an aeration pipe with the lower end positioned at the middle lower part of the tank body, the upper end of the aeration pipe is communicated with the air inlet pipe, a plurality of aeration holes are arranged on the aeration pipe, and the bottom of the aeration pipe is fixedly connected with a limiting ball; a horizontal support is fixedly installed on the support, and a ball groove matched with the limiting ball is formed in the surface of the horizontal support, so that the lower end of the limiting ball is located in the ball groove.

Above-mentioned patent has can help inorganic gravel and organic granule separation, reduces the organic matter content in the sand setting, is favorable to the follow-up decomposition of organic matter simultaneously, and aeration equipment overhauls convenient advantage, but it also has the defect, if: the sand setting time is longer and the sand setting efficiency is low because a rotating mechanism is not arranged.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a grit chamber for sewage treatment to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a grit chamber for sewage treatment, is including the cell body that is used for the sediment and the sand pump of inhaling that is used for the sediment removal, the bottom intercommunication of cell body is fixed with an album sand pond, one side intercommunication in album sand pond is fixed with the sand discharge pipe, the one end of sand discharge pipe with inhale sand mouth intercommunication fixed of sand pump, the opposite side intercommunication in album sand pond is fixed with the spray pipe, the shower nozzle is installed to the tip of spray pipe, the other end of spray pipe is provided with the water pump, the top fixedly connected with connecting plate of cell body, the center department of connecting plate rotates and is connected with the dwang, the fixed cover of fixedly connected with on the dwang, the both sides difference fixedly connected with of fixed cover is used for mixeing the impeller of sewage, the top of connecting plate is provided with and is used for the drive the rotatory drive box of dwang.

According to the grit chamber for sewage treatment, sewage can be stirred to rotate rapidly through the arrangement of the rotating rod, the impeller and the driving box, so that a vortex is formed, the sedimentation speed of gravel in the sewage is increased, and the grit efficiency is improved;

this a grit chamber for sewage treatment through inhaling sand pump and sand discharge pipe's setting, can effectively avoid the grit to pile up the influence and deposit the effect with the grit in the grit chamber of gathering together quick extraction, and the cooperation of rethread spray pipe, water pump and shower nozzle is used, can make the grit pile loose, and then improves the sand discharge efficiency who inhales the sand pump.

Preferably, both sides of the tank body are respectively communicated and fixed with a water inlet pipe for sewage to enter and a drain pipe for sewage to discharge.

By adopting the technical scheme, the water inlet pipe is used for water inlet and water discharge.

Preferably, the inner cavity of the tank body is fixedly connected with a stabilizing plate, and the bottom of the rotating rod is rotatably connected with the stabilizing plate.

Through adopting above-mentioned technical scheme, can improve the stability that the dwang changes through setting up of steadying plate, improve rotation efficiency.

Preferably, both sides of the stabilizing plate are fixedly connected with a baffle plate used for preventing gravel from turning and surging and floating respectively, and the baffle plate is provided with a plurality of through holes used for improving the flowing speed of sewage.

Through adopting above-mentioned technical scheme, the setting of baffle can prevent that sewage from forming the grit of vortex in with sand collection basin and taking up, and the setting of through-hole can improve the sedimentation rate of grit.

Preferably, a first connecting pipe is fixedly communicated with a water inlet of the water pump, a second connecting pipe is fixedly communicated with one end of the first connecting pipe, and one end of the second connecting pipe extends into the tank body.

Through adopting above-mentioned technical scheme, first connecting pipe is used for following outside intercommunication water source, and the second connecting pipe is used for pumping the inside sewage of cell body and carries out the reutilization.

Preferably, the first connecting pipe and the second connecting pipe are respectively provided with an electromagnetic valve.

By adopting the technical scheme, the electromagnetic valve is convenient to control the on-off of the first connecting pipe and the second connecting pipe.

Preferably, the end part of the second connecting pipe, which is positioned in the inner cavity of the tank body, is communicated and fixed with a filter shell.

Through adopting above-mentioned technical scheme, the setting of filter shell can prevent that the impurity in the sewage from getting into in the second connecting pipe, plays the effect of protection water pump.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, the grit chamber of the utility model can stir sewage to rotate rapidly to form vortex by the matching of the rotating rod, the impeller and the driving box, thereby improving the settling speed of gravel in the sewage and the sand settling efficiency;

second, utility model's grit chamber can effectively avoid the grit to pile up the influence and deposit the effect with the quick extraction of grit in the grit chamber through what set up inhales sand pump and sand discharge pipe, and the cooperation of rethread spray pipe, water pump and shower nozzle is used, can make the grit pile loose, and then improves the sand discharge efficiency who inhales the sand pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural sectional view of the present invention;

fig. 3 is a partial structural schematic diagram of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

Reference numerals: 1. a tank body; 2. a sand suction pump; 3. a sand collecting tank; 4. a sand discharge pipe; 5. a water spray pipe; 6. a spray head; 7. a water pump; 8. a connecting plate; 9. rotating the rod; 10. fixing a sleeve; 11. an impeller; 12. a drive box; 13. a water inlet pipe; 14. a drain pipe; 15. a stabilizing plate; 16. a baffle plate; 17. a through hole; 18. a first connecting pipe; 19. a second connecting pipe; 20. an electromagnetic valve; 21. and (4) filtering the shell.

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.

Examples

Referring to fig. 1-4, a grit chamber for sewage treatment, including cell body 1 for sedimentation and sand pump 2 for sand discharge, the bottom intercommunication of cell body 1 is fixed with sand collection tank 3, one side intercommunication of sand collection tank 3 is fixed with sand discharge pipe 4, the one end of sand discharge pipe 4 is fixed with sand suction port intercommunication of sand pump 2, the opposite side intercommunication of sand collection tank 3 is fixed with spray pipe 5, shower nozzle 6 is installed to the tip of spray pipe 5, the other end of spray pipe 5 is provided with water pump 7, the top fixedly connected with connecting plate 8 of cell body 1, the center department of connecting plate 8 rotates and is connected with dwang 9, fixedly connected with fixed cover 10 on dwang 9, the both sides of fixed cover 10 respectively fixedly connected with be used for stirring sewage impeller 11, the top of connecting plate 8 is provided with and is used for driving dwang 9 rotatory drive box 12.

Referring to fig. 1, both sides of a tank body 1 are respectively communicated and fixed with a water inlet pipe 13 for sewage to enter and a water outlet pipe 14 for sewage to discharge; the water inlet and the water outlet are used.

Referring to fig. 3, a stabilizing plate 15 is fixedly connected to an inner cavity of the tank body 1, and the bottom of the rotating rod 9 is rotatably connected with the stabilizing plate 15; the stability of dwang 9 commentaries on classics can be improved through setting up of stabilizer plate 15, improves rotation efficiency.

Referring to fig. 3, two sides of the stabilizing plate 15 are fixedly connected with a baffle 16 for preventing gravel from turning and floating, and the baffle 16 is provided with a plurality of through holes 17 for increasing the flow speed of sewage; the setting of baffle 16 can prevent that sewage from forming the vortex and take up the gravel in sand catch basin 3, and the setting of through-hole 17 can improve the sedimentation rate of gravel.

Referring to fig. 1, a first connecting pipe 18 is fixedly communicated with a water inlet of the water pump, a second connecting pipe 19 is fixedly communicated with one end of the first connecting pipe 18, and one end of the second connecting pipe 19 extends into the tank body 1; the first connecting pipe 18 is used for communicating a water source from the outside, and the second connecting pipe 19 is used for pumping the sewage in the tank body 1 for secondary utilization.

Referring to fig. 3, the first connection pipe 18 and the second connection pipe 19 are respectively provided with a solenoid valve 20; the solenoid valve 20 is provided to control the on/off of the first connecting pipe 18 and the second connecting pipe 19.

Referring to fig. 4, the end of the second connecting pipe 19 located in the inner cavity of the tank body 1 is fixedly connected with a filter shell 21; the filter shell 21 is arranged to prevent impurities in the sewage from entering the second connecting pipe 19, thereby protecting the water pump.

The use principle and the advantages are as follows:

this a grit chamber for sewage treatment is when using, at first start the inside servo motor of drive case 12 and drive dwang 9 rotatory, and then drive impeller 11 fast revolution, make sewage form the vortex, sediment that the grit in the sewage can be quick under the effect of vortex is in album sand pond 3, then start sand pump 2 and discharge the grit through sand discharge pipe 4, start the water pump in the sand discharge, spray high-pressure rivers to the grit heap in album sand pond 3 through spray pipe 5 and shower nozzle 6, improve the looseness of grit heap, and then can improve sand pump 2's sand efficiency of inhaling.

According to the grit chamber for sewage treatment, sewage can be stirred to rotate rapidly through the arrangement of the rotating rod 9, the impeller 11 and the driving box 12, so that a vortex is formed, the sedimentation speed of gravel in the sewage is increased, and the grit efficiency is improved;

this a grit chamber for sewage treatment through inhaling sand pump 2 and sand discharge pipe 4's setting, can effectively avoid the grit to pile up the influence and deposit the effect with the quick extraction of grit in the sand collection pond 3, and rethread spray pipe 5, water pump and shower nozzle 6's cooperation is used, can make the grit pile loose, and then improves the sand discharge efficiency who inhales sand pump 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a grit chamber for sewage treatment, includes cell body (1) that is used for the sediment and is used for sand suction pump (2) of sediment outflow, its characterized in that: a sand collecting tank (3) is fixedly communicated with the bottom end of the tank body (1), a sand discharge pipe (4) is fixedly communicated with one side of the sand collecting tank (3), one end of the sand discharge pipe (4) is communicated and fixed with the sand suction port of the sand suction pump (2), a spray pipe (5) is fixedly communicated with the other side of the sand collecting tank (3), a spray head (6) is arranged at the end part of the spray pipe (5), the other end of the water spray pipe (5) is provided with a water pump (7), the top end of the tank body (1) is fixedly connected with a connecting plate (8), a rotating rod (9) is rotatably connected at the center of the connecting plate (8), a fixed sleeve (10) is fixedly connected on the rotating rod (9), two sides of the fixed sleeve (10) are respectively and fixedly connected with an impeller (11) for stirring sewage, the top of the connecting plate (8) is provided with a driving box (12) for driving the rotating rod (9) to rotate.

2. The grit chamber for wastewater treatment as claimed in claim 1, wherein: and a water inlet pipe (13) for sewage to enter and a water outlet pipe (14) for sewage to discharge are respectively communicated and fixed on two sides of the tank body (1).

3. The grit chamber for wastewater treatment as claimed in claim 1, wherein: the inner cavity of the pool body (1) is fixedly connected with a stabilizing plate (15), and the bottom of the rotating rod (9) is rotatably connected with the stabilizing plate (15).

4. The grit chamber for wastewater treatment according to claim 3, wherein: the both sides of stabilizer plate (15) are fixedly connected with baffle (16) that are used for preventing the grit surge to float respectively, seted up a plurality of through-holes (17) that are used for improving sewage flow velocity on baffle (16).

5. The grit chamber for wastewater treatment as claimed in claim 1, wherein: a first connecting pipe (18) is fixedly communicated with a water inlet of the water pump, a second connecting pipe (19) is fixedly communicated with one end of the first connecting pipe (18), and one end of the second connecting pipe (19) extends into the tank body (1).

6. The grit chamber for wastewater treatment according to claim 5, wherein: the first connecting pipe (18) and the second connecting pipe (19) are respectively provided with an electromagnetic valve (20).

7. The grit chamber for wastewater treatment according to claim 5, wherein: the end part of the second connecting pipe (19) positioned in the inner cavity of the tank body (1) is fixedly communicated with a filter shell (21).

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