CN210495339U

CN210495339U - Papermaking secondary sedimentation tank sewage system

Info

Publication number: CN210495339U
Application number: CN201921020158.XU
Authority: CN
Inventors: 黎唐文
Original assignee: Dongguan Jinzhou Paper Industry Co ltd
Current assignee: Dongguan Jinzhou Paper Industry Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-05-12
Anticipated expiration: 2029-07-01

Abstract

The utility model relates to a papermaking blowdown water technical field, concretely relates to papermaking secondary sedimentation pond blowdown water system, including secondary sedimentation pond and heavy water basin, the heavy water basin is provided with first water inlet, second water inlet and first drain, and first water inlet and second water inlet set up respectively on the relative both sides of heavy water basin and the relative setting of dislocation, and first water inlet and second water inlet communicate the drainage end of secondary sedimentation pond through first inlet tube and second inlet tube respectively, and the heavy water basin top is fixed with the acidification pipe, and acidification pipe entry end intercommunication acid storage tank, the acidification pipe is provided with a plurality of openings and a plurality of openings towards the setting in the heavy water basin, and the horizontal plane position of first drain is higher than first water inlet and second water inlet, and the first drain communicates the drainage house steward; the utility model discloses reduced the scale deposit condition of sewer by a wide margin, guaranteed sewer's performance, prolonged sewer's life, guaranteed sewage treatment's in the papermaking efficiency.

Description

Papermaking secondary sedimentation tank sewage system

Technical Field

The utility model relates to a blowdown technical field, more specifically say, relate to a two heavy pond blowdown water systems of papermaking.

Background

At present, papermaking sewage contains calcium and magnesium ions which are higher, the PH of effluent of a secondary sedimentation tank is higher and ranges from 7.0 to 8.0, the calcium ions are easy to scale on the pipe wall, after the sewage is discharged for a long time, the pipe diameter can narrow, the water passing quantity is reduced until the sewage passing demand can not be met, a new pipe needs to be replaced, the normal use can be realized, the replacement engineering quantity is larger, the water of a pipeline needs to be stopped in the replacement process, the sewage treatment efficiency can be influenced, and the environmental problems of the stop of the sewage system, leakage and the like are easily caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, a two heavy pond sewage systems of papermaking are provided.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a two heavy pond blowdown water systems of papermaking, including two heavy ponds and heavy ponds, the heavy pond is provided with first water inlet, second water inlet and first drainage port, first water inlet and second water inlet set up respectively on the both sides that the heavy pond is relative and the dislocation sets up relatively, first water inlet and second water inlet communicate two heavy pond drainage ends through first inlet tube and second inlet tube respectively, the heavy pond top is fixed with the acidification pipe, acidification pipe entry end intercommunication acid storage tank, be provided with a plurality of openings and a plurality of opening on the acidification pipe and set up towards the heavy pond, the horizontal plane position of first drainage port is higher than first water inlet and second water inlet, and first drainage port intercommunication drainage house steward.

Furthermore, the first water inlet pipe and the second water inlet pipe are step-shaped, and the lower ends of the first water inlet pipe and the second water inlet pipe are respectively communicated with the first water inlet and the second water inlet.

Furthermore, a supporting beam is arranged at the bottom of the sink basin, a plurality of supporting columns are fixedly arranged at the edge of the supporting beam, beam supports are fixedly arranged at the connecting positions of the supporting beam and the supporting columns, and the supporting beam, the supporting columns and the beam supports form a sink basin supporting assembly.

Furthermore, an acid adding pump is communicated with one end of the acid adding pipe close to the acid storage tank.

Furthermore, the drainage main pipe is arranged obliquely, and one end of the drainage main pipe, which is connected with the first drainage port, is higher than one end of the drainage main pipe, which is far away from the first drainage port.

Furthermore, a second water outlet is arranged at the bottom of one side of the sink provided with the first water outlet, the second water outlet is communicated with the main water outlet pipe through a branch water outlet pipe, and one end of the branch water outlet pipe, which is close to the second water outlet, is provided with a manual valve.

The beneficial effects of the utility model reside in that: the utility model discloses reduced the scale deposit condition of sewer by a wide margin, guaranteed sewer's performance, prolonged sewer's life, guaranteed sewage treatment's in the papermaking efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:

fig. 1 is a schematic top view of a drainage system of a papermaking secondary sedimentation tank provided by the present invention;

FIG. 2 is a schematic structural view of a sink basin of a sewage discharge system of a secondary papermaking sink basin provided by the utility model;

fig. 3 is the utility model provides a pair of papermaking two heavy ponds drainage system heavy pond cross-sectional view.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

As shown in fig. 1-3, a drainage system for a papermaking secondary sedimentation tank comprises a secondary sedimentation tank 10 and a sedimentation tank 20, wherein the sedimentation tank 20 is provided with a first water inlet 21, a second water inlet 22 and a first water outlet 24, the first water inlet 21 and the second water inlet 22 are respectively arranged on two opposite sides of the sedimentation tank 20 and are arranged oppositely in a staggered manner, the first water inlet 21 and the second water inlet 22 are respectively communicated with a drainage end of the secondary sedimentation tank 10 through a first water inlet pipe 25 and a second water inlet pipe 26, and when the secondary sedimentation tank 10 drains off water, because the first water inlet 21 and the second water inlet 22 are arranged on two opposite sides in a staggered manner, water discharged from the first water inlet 21 and the second water inlet 22 is subjected to staggered convection in the sedimentation tank 20 to generate a certain natural vortex, so as to play a role in stirring; an acid adding pipe 23 is fixedly arranged at the top of the water sedimentation tank 20, the inlet end of the acid adding pipe 23 is communicated with an acid storage tank 30, and one end of the acid adding pipe 23, which is close to the acid storage tank 30, is provided with and communicated with an acid adding pump 31; an electromagnetic valve (not shown) is arranged at one end of the acid adding pipe 23 close to the acid storage tank 30, the electromagnetic valve and the acid adding pump are both electrically connected with an external PLC, the electromagnetic valve and the acid adding pump are controlled by the PLC to be started and stopped simultaneously, sulfuric acid with a certain concentration is stored in the acid storage tank 30, the horizontal position of the first water discharging port 24 is higher than the first water inlet 21 and the second water inlet 22, the first water discharging port 24 is communicated with the main water discharging pipe 40, the acid storage tank 30 conveys the sulfuric acid into the submerged tank 20 through the acid adding pipe 23 to neutralize the sewage in the submerged tank 20, the pH value of the sewage is reduced to a certain range, calcium and the like exist in an ion form, the scaling condition of the main water discharging pipe 40 is greatly reduced, the service performance of the main water discharging pipe 40 is ensured, the service life of the main water discharging pipe 40 is prolonged, the sewage treatment efficiency in papermaking is ensured, the horizontal position of the first water discharging port 24 is higher than the first, when the papermaking production line works, water can be always kept in the submerged pool 20, and the sulfuric acid is prevented from contacting the bottom in the submerged pool 20 to generate carbonization when the acid adding pipe 23 conveys the sulfuric acid into the submerged pool 20.

The first water inlet pipe 25 and the second water inlet pipe 26 are step-shaped, and the lower ends of the horizontal positions of the first water inlet pipe 25 and the second water inlet pipe 26 are respectively communicated with the first water inlet 21 and the second water inlet 22 for preventing sewage from flowing back along the first water inlet pipe 25 and the second water inlet pipe 26, in other embodiments, the first water inlet pipe 25 and the second water inlet pipe 26 can be inclined, and the end connected with the secondary sedimentation tank 10 is higher than the end connected with the sedimentation tank 20.

The bottom of the sink basin 20 is provided with a supporting beam 61, the edge of the supporting beam 61 is fixedly provided with a plurality of supporting columns 62, the connecting positions of the supporting beam 61 and the supporting columns 62 are fixedly provided with beam supports 63, and the supporting beam 61, the supporting columns 62 and the beam supports 63 form a sink basin supporting assembly 60 to play a role in supporting the sink basin.

The drainage main pipe 40 is obliquely arranged, and one end of the drainage main pipe 40, which is connected with the first drainage port 24, is higher than one end of the drainage main pipe 40, which is far away from the first drainage port 24, so that sewage can be drained from the drainage main pipe 40 more conveniently; the bottom of one side of the sink 20 provided with the first drainage port 24 is provided with a second drainage port which is communicated with the drainage main pipe 40 through a drainage branch pipe 28, one end of the drainage branch pipe 28 close to the second drainage port is provided with a manual valve 27, and when the sink 20 is cleaned, the manual valve 27 is opened, so that the accumulated sewage in the sink 20 is drained along the drainage main pipe 40 through the drainage branch pipe 28.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a papermaking secondary sedimentation pond blowdown water system, characterized in that, includes secondary sedimentation pond (10) and heavy water basin (20), heavy water basin (20) are provided with first water inlet (21), second water inlet (22) and first drain (24), first water inlet (21) and second water inlet (22) set up respectively on the relative both sides of heavy water basin (20) and the relative setting of dislocation, first water inlet (21) and second water inlet (22) communicate secondary sedimentation pond (10) drainage end through first inlet tube (25) and second inlet tube (26) respectively, heavy water basin (20) top is fixed with acidification pipe (23), acidification pipe (23) entry end intercommunication acid storage tank (30), be provided with a plurality of openings on acidification pipe (23) and a plurality of openings set up towards heavy water basin (20), the position of first drain (24) is higher than first water inlet (21) and second water inlet (22), and the first drain opening (24) is communicated with the drain main pipe (40).

2. The papermaking secondary sedimentation tank sewage system as set forth in claim 1, wherein the first inlet pipe (25) and the second inlet pipe (26) are stepped, and the lower ends of the first inlet pipe (25) and the second inlet pipe (26) are communicated with the first inlet port (21) and the second inlet port (22), respectively.

3. The paper secondary sedimentation tank sewage system according to claim 1, wherein a supporting beam (61) is arranged at the bottom of the sedimentation tank (20), a plurality of supporting columns (62) are fixedly arranged at the edge position of the supporting beam (61), beam supports (63) are fixedly arranged at the connecting positions of the supporting beam (61) and the supporting columns (62), and the supporting beam (61), the supporting column (62) and the beam supports (63) form a sedimentation tank supporting component (60).

4. The papermaking secondary sedimentation tank sewage system according to claim 1, wherein an acid adding pump (31) is provided and communicated with one end of the acid adding pipe (23) near the acid storage tank (30).

5. The papermaking secondary sedimentation basin sewage system according to claim 1, characterized in that the main drainage pipe (40) is disposed obliquely, and the end of the main drainage pipe (40) connected to the first drainage port (24) is higher than the end far away from the first drainage port (24).

6. The papermaking secondary sedimentation basin sewage system according to claim 1, characterized in that a second drainage port is provided at the bottom of one side of the sedimentation basin (20) provided with the first drainage port (24), the second drainage port is communicated with the main drainage pipe (40) through a branch drainage pipe (28), and a manual valve (27) is provided at one end of the branch drainage pipe (28) close to the second drainage port.