CN211946535U - A municipal construction sewage treatment device - Google Patents

Abstract

The utility model relates to a sewage treatment device for municipal construction, which comprises a first filter tank, a coarse filter screen is detachably arranged above the first filter tank, a fine filter screen is detachably arranged under the coarse filter screen, and the lower part of the first filter tank is large upward The lower part is arranged in the shape of a small funnel, the lower part of the first filter tank is provided with a first sewage pipe, the bottom of the first sewage pipe is connected with a screw conveyor, the bottom of the screw conveyor is connected with a sludge filter press, and the lower part of the right side of the first filter tank is connected A second water outlet pipe is arranged, a second filter tank is arranged on the right side of the second water outlet pipe, a cylindrical bracket is vertically arranged inside the second filter tank, and a cylindrical filter cotton is sleeved outside the cylindrical bracket. The water outlet injects water between the side wall of the second filter tank and the cylindrical filter cotton, a submersible pump is arranged at the inner bottom end of the cylindrical support, and the third water outlet of the submersible pump extends upward to the outside of the second filter tank; the second filter A second sewage pipe is vertically arranged at the bottom of the right end of the pool.

Description

A municipal construction sewage treatment device

technical field

The utility model relates to the field of sewage treatment equipment, in particular to a sewage treatment device for municipal construction.

Background technique

Municipal engineering generally belongs to the national infrastructure, which refers to the construction of various public transportation facilities, water supply, drainage, gas, urban flood control, environmental sanitation and lighting and other infrastructure construction in urban construction. The direct discharge of sewage will cause damage to the urban environment, so the sewage generated during the construction process needs to be treated before being discharged. The existing construction sewage treatment equipment or structure is complicated, the treatment process is excessive, or a large area of sedimentation site and a long time are required. Precipitation and standing, or high cost and high investment cost, are not suitable for sewage treatment on municipal construction sites. Therefore, it is particularly necessary to develop an economical, practical and simple sewage treatment device suitable for construction sites.

Utility model content

The purpose of the utility model is to provide a municipal construction sewage treatment device, which is economical, practical, convenient and applicable.

The technical solutions adopted are as follows:

A municipal construction sewage treatment device includes a first filter tank with an upward opening, a support frame is arranged at the lower end of the first filter tank, a first water pump is arranged on the left side of the upper end of the first filter tank, and a suction pipe of the first water pump extends leftward to On the left side of the first filter tank, the first water outlet pipe of the first water pump extends to the right above the first filter tank. The top of the first filter tank is detachably provided with a coarse filter screen, and the bottom of the coarse filter screen is detachably provided with a fine filter screen. , the lower part of the first filter tank is arranged in the shape of a funnel, the lower part of the first filter tank is provided with a first sewage pipe, a screw conveyor is horizontally arranged below the first sewage pipe, and the first sewage pipe is connected with the screw conveyor. , a sludge filter press is arranged below the screw conveyor, the screw conveyor is communicated with the sludge filter press, a second water outlet pipe is arranged on the lower part of the right side of the first filter tank, and the second water outlet pipe is arranged in the funnel of the first filter tank The upper end of the bottom of the second water outlet is provided with a second filter tank on the right side of the second water outlet pipe, a cylindrical bracket is vertically arranged inside the second filter tank, a cylindrical filter cotton is sleeved outside the cylindrical bracket, and the second water outlet Water is injected between the side wall of the second filter pool and the cylindrical filter cotton, a submersible pump is arranged at the bottom end of the cylindrical support, and the third water outlet of the submersible pump extends upward to the outside of the second filter pool; the right end of the second filter pool is provided with a submersible pump. A second sewage pipe is vertically arranged at the bottom.

Preferably, the first water pump is a sewage pump.

Preferably, the coarse filter screen is arranged in a funnel shape with an upper size and a lower size.

Preferably, the fine filter screen is arranged in a funnel shape with an upper size and a lower size.

Preferably, the inner bottom end of the second filter tank is provided with a conical protrusion.

The beneficial effects are as follows: the sewage pump is suitable for conveying liquid containing impurities; the coarse filter screen is arranged in the shape of a funnel, which is large at the top and small at the bottom, which is convenient for the filtered impurities to gather in the middle of the coarse filter screen, which is convenient for operators to deal with impurities; The lower funnel-shaped setting is convenient for the filtered impurities to gather in the middle of the fine filter screen, which is convenient for operators to deal with impurities; the inner bottom end of the second filter tank is provided with a conical protrusion, which is convenient for the sedimentary sediment to move toward the first filter. The second filter pool gathers at the bottom edge.

Description of drawings

Figure 1 is a schematic structural diagram of a municipal construction sewage treatment device of the present invention.

Detailed ways

The present utility model will be further described below with reference to specific embodiments. As shown in FIG. 1, a municipal construction sewage treatment device includes a first filter tank 1 with an upward opening, and a support frame 2 is provided at the lower end of the first filter tank 1. A first water pump 3 is arranged on the left side of the upper end of a filter tank 1. The first water pump 3 is a sewage pump. The sewage pump is suitable for conveying liquid containing impurities. The sewage pump is the prior art and will not be repeated here. Extend to the left to the left side of the first filter tank 1, the lower end of the suction pipe of the first water pump 3 is connected with a steel wire hose, and the first outlet pipe of the first water pump 3 extends to the right above the first filter tank 1, the first filter A coarse filter screen 4 is detachably arranged above the pool 1. The coarse filter screen 4 filters out the impurities with larger particles contained in the impurities. The middle of the filter screen 4 gathers, which is convenient for the operator to handle impurities; a fine filter screen 5 is detachably arranged under the coarse filter screen 4, and the fine filter screen 5 filters out impurities with small particles contained in the impurities; the fine filter screen 5 is large The lower funnel-shaped setting is convenient for the filtered impurities to gather in the middle of the fine filter screen 5, which is convenient for operators to deal with impurities;

The lower part of the first filter tank 1 is arranged in a funnel shape, the lower part of the first filter tank 1 is arranged in a funnel shape to facilitate the accumulation of sediment at the bottom of the first filter tank 1; the lower part of the first filter tank 1 is provided with a first sewage pipe 6. A first sewage discharge mechanism is arranged horizontally below the first sewage pipe 6. The first sewage discharge mechanism includes a screw conveyor 7 arranged horizontally along the left and right directions. The screw conveyor 7 is fixedly arranged on the support frame 2. The screw conveyor 7 is: The prior art will not be repeated here; the upper end of the right side of the screw conveyor 7 is provided with a first feeding pipe, and the lower end of the left side is provided with a first discharging pipe; the first sewage pipe 6 is communicated with the first feeding pipe, and the first A first ball valve is arranged on the discharge pipe, and the first ball valve controls the opening and closing of the first discharge pipe; the sediment deposited at the bottom of the first filter tank 1 enters the screw conveyor 7 through the first sewage pipe 6, and passes through the screw conveyor. 7 is transported to the outside of the first filter tank 1; the lower end of the first discharge pipe is provided with a sludge filter press 8, and the sludge filter press 8 is a prior art and will not be described here; the lower end of the first discharge pipe and the sludge The filter press 8 is connected, and the sediment is transported to the sludge filter press 8 by the screw conveyor 7 to be compressed into a filter cake;

A second water outlet pipe 9 is arranged on the lower part of the right side of the first filter tank 1, and the second water outlet pipe 9 is arranged on the upper end of the funnel-shaped bottom of the first filter tank 1, and a second filter tank 10 is arranged on the right side of the second water outlet pipe 9, The second filter tank 10 is in the shape of a cylinder with an open upper end. The inner bottom end of the second filter tank 10 is provided with a conical protrusion. The inside of the filter tank 10 is vertically provided with a cylindrical support, the cylindrical support is covered with a cylindrical filter cotton 11, and the second water outlet extends to the right toward the side wall of the second filter tank 10 and the cylindrical filter cotton. Water is injected between 11, the inner bottom end of the cylindrical support is provided with a submersible pump 12, and the third water outlet of the submersible pump 12 extends upward to the outside of the second filter tank 10; the submersible pump 12 draws away the water inside the cylindrical support, At the same time, the water outside the cylindrical filter cotton 11 flows into the cylindrical support after being filtered by the cylindrical filter cotton 11. A second sewage pipe 13 is vertically arranged at the bottom of the right end of the second filter tank 10, and the second sewage pipe 13 is provided with There is a second ball valve, and the second ball valve controls the opening and closing of the second sewage pipe 13 .

The specific working principle is as follows: close the first ball valve and the second ball valve, start the submersible pump 12, start the first water pump 3, pump the external sewage to the top of the first filter tank 1, and the sewage enters the first filter tank 1 through the coarse filter screen 4 and the fine filter screen 5 A filter tank 1, the coarse filter screen 4 filters out the larger impurities, the fine filter screen 5 filters out the smaller impurities, the sewage enters the first filter tank 1 and the sediment is deposited in the lower part of the first filter tank 1, and the second filter tank 1 The water outlet pipe 9 transports the water in the first filter tank 1 into the second filter tank 10. After the water enters the second filter tank 10, the submersible pump 12 pumps away the water inside the cylindrical support, while the cylindrical filter cotton 11 The external water is filtered by the cylindrical filter cotton 11 and then flows into the cylindrical support. The filtered water is transported to the outside of the second filter tank 10 by the submersible pump 12. After the sewage purification is completed, the coarse filter screen 4 and the filter are removed. The fine filter screen 5 is cleaned, the first ball valve, the second ball valve and the screw conveyor 7 are opened, and the screw conveyor 7 transports the sediment in the first filter tank 1 to the sludge filter press 8 for pressure filtration. The sewage pipe 13 discharges the sediment in the second filter tank 10 .

The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. The scope of protection of the present utility model.

Claims (5)

1. The utility model provides a municipal construction sewage treatment plant which characterized in that: the device comprises a first filtering tank with an upward opening, a supporting frame is arranged at the lower end of the first filtering tank, a first water pump is arranged on the left side of the upper end of the first filtering tank, a water pumping pipe of the first water pump extends to the left side of the first filtering tank leftwards, a first water outlet pipe of the first water pump extends to the right side of the first filtering tank, a coarse strainer is detachably arranged above the first filtering tank, a fine strainer is detachably arranged below the coarse strainer, the lower part of the first filtering tank is arranged in a funnel shape with a large upper part and a small lower part, a first sewage discharging pipe is arranged at the lower part of the first filtering tank, a spiral conveyor is horizontally arranged below the first sewage discharging pipe, the first sewage discharging pipe is communicated with the spiral conveyor, a sludge filter press is arranged below the spiral conveyor, the spiral conveyor is communicated with the sludge filter press, a second water outlet pipe is arranged at the lower part of the right side of the first filtering, a second filtering tank is arranged on the right side of the second water outlet pipe, a cylindrical support is vertically arranged in the second filtering tank, cylindrical filtering cotton is sleeved outside the cylindrical support, water is injected between the second water outlet and the cylindrical filtering cotton towards the side wall of the second filtering tank, a submersible pump is arranged at the bottom end in the cylindrical support, and a third water outlet of the submersible pump extends upwards to the outside of the second filtering tank; and a second sewage discharge pipe is vertically arranged at the bottom of the right end of the second filtering tank.

2. The municipal construction sewage treatment plant according to claim 1, wherein: the first water pump is a sewage pump.

3. The municipal construction sewage treatment plant according to claim 1, wherein: the coarse strainer is arranged in a funnel shape with a large upper part and a small lower part.

4. The municipal construction sewage treatment plant according to claim 1, wherein: the fine filter screen is arranged in a funnel shape with a large upper part and a small lower part.

5. The municipal construction sewage treatment plant according to claim 1, wherein: the bottom end in the second filtering tank is provided with a conical bulge.

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