CN212403853U

CN212403853U - Papermaking wastewater recycling device

Info

Publication number: CN212403853U
Application number: CN202020376920.4U
Authority: CN
Inventors: 张领博
Original assignee: Henan Xinxiang Hongtai Paper Co ltd
Current assignee: Henan Xinxiang Hongtai Paper Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-26
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a papermaking waste water recycling apparatus, including the rose box, setting tank and decomposition tank, rose box top outer wall is opened flutedly, and the inside joint of recess has the inclined wire net, inclined wire net top outer wall has the handle through the mounting screw, the bottom threaded connection of rose box one side outer wall has the conveyer pipe, and conveyer pipe one side outer wall threaded connection has the water pump, the one end threaded connection that the rose box was kept away from to the conveyer pipe is on setting tank one side outer wall, the bottom threaded connection of setting tank one side outer wall has the connecting pipe, and connecting pipe one side outer wall threaded connection has the water pump, the one end threaded connection that the setting tank was kept away from to the connecting pipe is on decomposition tank one side outer wall, the outer wall of decomposition tank top. The utility model discloses a diagonal screen that sets up, diagonal screen can be retrieved the paper pulp that goes out along with waste water in papermaking process, and the paper pulp after the recovery can regard as the raw materials use of low-grade paper, has practiced thrift the resource, has saved manufacturing cost.

Description

Papermaking wastewater recycling device

Technical Field

The utility model relates to a waste water treatment technical field especially relates to a papermaking waste water circulation recovery recycles device.

Background

If the papermaking wastewater is directly discharged into rivers without being treated, organic matters in the wastewater are fermented, oxidized and decomposed, oxygen in the wastewater is consumed, so that organisms such as fishes and shellfishes are anoxic and lethal, bark chips, sawdust and the like in the wastewater sink to the water bottom and foul the river bed, and toxic odor is continuously generated in slow fermentation.

However, in the existing sewage treatment equipment, the sewage effect treatment is poor, and the sewage treatment is carried out by adopting a chemical mode, so that the secondary pollution is easily caused, and the condition of recycling can not be achieved. Therefore, it is necessary to design a recycling device for recycling papermaking wastewater to solve the above problems.

Disclosure of Invention

The utility model aims at solving the problem that the sewage treatment effect existing in the prior art is poor, the sewage treatment effect can not reach the defect of the recyclable state, and the papermaking wastewater recycling device for papermaking is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a papermaking waste water circulation recovery recycles device, includes rose box, setting tank and decomposition tank, rose box top outer wall is opened flutedly, and the inside joint of recess has the inclined wire net, inclined wire net top outer wall has the handle through the mounting screw, the bottom threaded connection of rose box one side outer wall has the conveyer pipe, and conveyer pipe one side outer wall threaded connection has the water pump, the one end threaded connection that the rose box was kept away from to the conveyer pipe is on setting tank one side outer wall, the bottom threaded connection of setting tank one side outer wall has the connecting pipe, and connecting pipe one side outer wall threaded connection has the water pump, the one end threaded connection that the setting tank was kept away from to the connecting pipe is on decomposition tank one.

The key concept of the technical scheme is as follows: through the inclined wire that sets up, the inclined wire can be retrieved the paper pulp that flows out along with waste water in the papermaking process, and the paper pulp after the recovery can regard as the raw materials use of low-grade paper, has practiced thrift the resource, has saved manufacturing cost.

Further, precipitation box top outer wall threaded connection has the case lid, and case lid top outer wall center department installs the motor through the bolt, the motor output end rotates through the shaft coupling and is connected with the axis of rotation, and the outer wall welding of axis of rotation one side has a plurality of dead levers, the one end welding that the axis of rotation was kept away from to the dead lever has the stirring rake.

Furthermore, the bottom of the outer wall of one side of the settling tank is in threaded connection with a drain pipe, and the outside of the drain pipe is in threaded connection with a drain valve.

Further, the air pump is installed through the bolt to decomposition case side outer wall, and decomposition case one side inner wall threaded connection has the gas-supply pipe, it has a plurality of screw hole to open on the outer wall of gas-supply pipe one side, and threaded connection has the head of bleeding in the inside threaded connection of screw hole, the gas-supply pipe is given vent to anger with the air pump and is held to pass through the pipe connection.

Furthermore, the outer wall of the top of the decomposition box is provided with a ventilation port, and a ventilation net is arranged in the ventilation port through screws.

Furthermore, the outer wall of the top of the settling box is provided with a medicine feeding port, and the medicine feeding port is connected with a medicine feeding pipe in a threaded manner.

Furthermore, decomposition tank top outer wall threaded connection has the drain pipe, and decomposition tank inside joint has the biological net, biological net inside packing has the biomembrane.

The utility model has the advantages that:

1. through the inclined wire that sets up, the inclined wire can be retrieved the paper pulp that flows out along with waste water in the papermaking process, and the paper pulp after the recovery can regard as the raw materials use of low-grade paper, has practiced thrift the resource, has saved manufacturing cost.

2. Through the setting up settling tank, the settling tank carries out preliminary treatment to waste water, through the medicine pipe that advances at settling tank top, to adding the coagulant in the box, the stirring rake can carry out intensive mixing to waste water and coagulant, and waste water is quick flocculation and precipitation under the effect of coagulant, has shortened settling time, has improved work efficiency.

3. Through the decomposition case that sets up, waste water gets into the decomposition case after, and the biomembrane in the decomposition case can increase the biological quantity in the waste water, and the gas-supply pipe in the decomposition case can be with the air supply of external world to the decomposition incasement to increase the oxygen content in the waste water, abundant oxygen can promote biological growth and breed, thereby makes the biological decomposition to pollutant in the waste water with higher speed.

Drawings

FIG. 1 is a schematic structural view of a recycling device for papermaking wastewater in accordance with the present invention;

FIG. 2 is a schematic structural view of a recycling device for papermaking wastewater in accordance with the present invention;

FIG. 3 is a schematic structural view of a recycling device for papermaking wastewater in accordance with the present invention;

fig. 4 is the structure schematic diagram of a papermaking wastewater recycling device provided by the utility model.

In the figure: 1 filter box, 2 settling tanks, 3 decomposition tanks, 4 grooves, 5 inclined nets, 6 conveying pipes, 7 sewage pipes, 8 sewage valves, 9 motors, 10 tank covers, 11 rotating shafts, 12 stirring paddles, 13 fixing rods, 14 filter boxes, 15 medicine inlet pipes, 16 air pumps, 17 air pipes, 18 threaded holes, 19 air discharge heads, 20 drainage pipes, 21 air vents, 22 air permeable nets, 23 biological membranes, 24 handles and 25 connecting pipes.

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.

Referring to fig. 1 to 4, a recycling device for papermaking wastewater comprises a filter box 1, a settling tank 2 and a decomposition tank 3, wherein the outer wall of the top of the filter box 1 is provided with a groove 4, an inclined net 5 is clamped in the groove 4, the inclined net 5 is used for filtering paper pulp in wastewater, the outer wall of the top of the inclined net 5 is provided with a handle 24 through a screw, the handle 24 is used for lifting the inclined net 5, the bottom of the outer wall of one side of the filter box 1 is in threaded connection with a conveying pipe 6, the conveying pipe 6 is used for conveying wastewater to the settling tank 2, the outer wall of one side of the conveying pipe 6 is in threaded connection with a water pump, the type of the water pump is preferably 32cdl (f)4-170, one end of the conveying pipe 6, far away from the filter box 1, is in threaded connection with the outer wall of one side of the settling tank 2, the bottom of the outer wall of one side of the settling tank 2 is, the end of the connecting pipe 25 remote from the settling tank 2 is screwed to the outer wall of the decomposition tank 3, and the water pump is preferably 32CDL (F) 4-170.

As can be seen from the above description, the present invention has the following advantages: through the inclined wire 5 that sets up, inclined wire 5 can be retrieved the paper pulp that flows out along with the waste water in the papermaking process, and the paper pulp after retrieving can regard as the raw materials use of low-grade paper, has practiced thrift the resource, has saved manufacturing cost.

Further, 2 top outer wall threaded connection of setting tank has case lid 10, case lid 10 is used for sealing up setting tank 2, and motor 9 is installed through the bolt in case lid 10 top outer wall center department, motor 9 is used for driving axis of rotation 11, the preferred YE2-132S2-2 of motor 9 model, motor 9 output is rotated through the shaft coupling and is connected with axis of rotation 11, axis of rotation 11 is used for driving dead lever 13 and rotates, and 11 one side outer wall welding of axis of rotation has a plurality of dead levers 13 and is used for driving stirring rake 12 to rotate, the one end welding that axis of rotation 11 was kept away from to dead lever 13 has stirring rake 12, stirring rake 12 is used for stirring 2 inside sewage.

Further, the bottom threaded connection of the outer wall of one side of the settling tank 2 has a drain pipe 7, a user of the drain pipe 7 discharges bottom precipitated substances, the outer threaded connection of the drain pipe 7 has a drain valve 8, the drain valve 8 is used for opening and closing the drain pipe 7, and the model of the drain valve 8 is preferably DN50-DN 1200.

Further, an air pump 16 is installed on the outer wall of the side face of the decomposition box 3 through a bolt, the type of the air pump 16 is preferably 2HB910-AH07, an air conveying pipe 17 is in threaded connection with the inner wall of one side of the decomposition box 3, a plurality of threaded holes 18 are formed in the outer wall of one side of the air conveying pipe 17, an air discharging head 19 is in threaded connection with the inside of each threaded hole 18, the air discharging head 19 is used for discharging air of the air pump, and the air conveying pipe 17 is connected with the air outlet end of the air pump.

Furthermore, the outer wall of the top of the decomposition box 3 is provided with a ventilation port 21, the ventilation port 21 is used for ventilation, a ventilation net 22 is arranged in the ventilation port 21 through screws, and the ventilation net 22 is used for blocking external pollutants.

Further, the outer wall of the top of the settling tank 2 is provided with a dosing port, the inside of the dosing port is in threaded connection with a dosing pipe 15, and the dosing pipe 15 is used for workers to add coagulant.

Further, decomposition tank 3 top outer wall threaded connection has drain pipe 20, and drain pipe 20 is used for the water after the discharge is handled, and decomposition tank 3 inside joint has the biological net, and the biological net inside is filled with biomembrane 23, and the biology on the biomembrane 23 is used for the partial material in the incasement sewage of grading.

By adopting the settling tank 2, the settling tank 2 is used for carrying out primary treatment on the wastewater, a coagulant is added into the tank body through the medicine inlet pipe 15 at the top of the settling tank, the stirring paddle 12 can fully stir the wastewater and the coagulant, the wastewater is quickly flocculated and precipitated under the action of the coagulant, the precipitation time is shortened, and the working efficiency is improved; decomposition tank 3 that sets up, waste water get into decomposition tank 3 after, and the biomembrane 23 in the decomposition tank 3 can increase the biological quantity in the waste water, and the gas-supply pipe 17 in the decomposition tank 3 can be with the defeated decomposition tank 3 of outside air in to increase the oxygen content in the waste water, abundant oxygen can promote biological growth and breed, thereby makes the biological decomposition to pollutant in the waste water with higher speed.

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

A papermaking wastewater recycling device for papermaking comprises a filter box 1, a settling tank 2 and a decomposition tank 3, wherein a groove 4 is formed in the outer wall of the top of the filter box 1, an inclined net 5 is clamped in the groove 4, the inclined net 5 is used for filtering paper pulp in wastewater, a handle 24 is installed on the outer wall of the top of the inclined net 5 through a screw, the handle 24 is used for lifting the inclined net 5, a conveying pipe 6 is connected to the outer wall of one side of the filter box 1 through a thread, the conveying pipe 6 is used for conveying wastewater to the settling tank 2, a water pump is connected to the outer wall of one side of the conveying pipe 6 through a thread, the water pump is preferably 32CDL (F)4-170 in type, one end, far away from the filter box 1, of the conveying pipe 6 is connected to the outer wall of one side of the settling tank 2 through a thread, a connecting pipe 25 is connected to the outer wall of one side of, the end of the connecting pipe 25 remote from the settling tank 2 is screwed to the outer wall of the decomposition tank 3, and the water pump is preferably 32CDL (F) 4-170.

The outer wall of the top of the settling tank 2 is in threaded connection with a tank cover 10, the tank cover 10 is used for sealing the settling tank 2, a motor 9 is mounted at the center of the outer wall of the top of the tank cover 10 through a bolt, the motor 9 is used for driving a rotating shaft 11, the type of the motor 9 is preferably YE2-132S2-2, the output end of the motor 9 is rotatably connected with the rotating shaft 11 through a coupler, the rotating shaft 11 is used for driving a fixing rod 13 to rotate, a plurality of fixing rods 13 are welded on the outer wall of one side of the rotating shaft 11 and used for driving a stirring paddle 12 to rotate, one end, far away from the rotating shaft 11, of each fixing rod 13 is welded; the bottom of the outer wall of one side of the settling tank 2 is in threaded connection with a drain pipe 7, a user of the drain pipe 7 discharges bottom precipitated substances, the outer part of the drain pipe 7 is in threaded connection with a drain valve 8, the drain valve 8 is used for opening and closing the drain pipe 7, and the type of the drain valve 8 is preferably DN50-DN 1200; the outer wall of the side face of the decomposition box 3 is provided with an air pump 16 through a bolt, the type of the air pump 16 is preferably 2HB910-AH07, the inner wall of one side of the decomposition box 3 is in threaded connection with an air delivery pipe 17, the outer wall of one side of the air delivery pipe 17 is provided with a plurality of threaded holes 18, the interior of each threaded hole 18 is in threaded connection with an air release head 19, each air release head 19 is used for releasing air of the air pump, and the air delivery pipe 17 is connected with the air outlet end of the; the outer wall of the top of the decomposition box 3 is provided with a ventilation port 21, the ventilation port 21 is used for ventilation, a ventilation net 22 is arranged in the ventilation port 21 through screws, and the ventilation net 22 is used for blocking external pollutants; a dosing port is formed in the outer wall of the top of the settling tank 2, a dosing pipe 15 is connected to the inside of the dosing port in a threaded mode, and the dosing pipe 15 is used for workers to add a coagulant; decomposition tank 3 top outer wall threaded connection has drain pipe 20, and drain pipe 20 is used for the water after the discharge is handled, and 3 inside joints of decomposition tank have a biological net, and the inside packing of biological net has biomembrane 23, and the biology on the biomembrane 23 is used for the partial material in the hierarchical incasement sewage.

The working principle is as follows: when in use, a worker firstly connects the filter tank 1 with the settling tank 2 through the conveying pipe 6, and then connects the settling tank 2 with the decomposition tank 3 through the connecting pipe 25; the wastewater firstly enters the filter box 1 through the inclined net 5, when the wastewater passes through the inclined net 5, the inclined net 5 can filter partial paper pulp in the wastewater and stop the paper pulp on the inclined net 5, when a certain amount of paper pulp is accumulated on the inclined net 5, a worker extracts the inclined net 5 from the groove 4 through the handle 24 and cleans the paper pulp on the inclined net 5, and then inserts the inclined net 5 into the groove 4; the waste water in the filter tank 1 is conveyed to the settling tank 2 through the conveying pipe 6, after the waste water enters the settling tank 2, a worker adds a coagulant into the settling tank 2 through the chemical inlet pipe 15, then the worker turns on the motor 9, the output end of the motor 9 drives the rotating shaft 11 to rotate through the coupler, the rotating shaft 11 rotates to drive the fixing rod 11 to rotate, so that the stirring paddle 12 rotates and stirs the waste water in the settling tank 2, the waste water and the coagulant are mixed more fully, pollutants in the waste water are flocculated into blocks after the coagulant is added and are settled to the bottom of the settling tank 2, and the settled sewage enters the decomposition tank 3 through the connecting pipe 25 after intercepting large-particle pollutants through the filter box 14; after a certain time of precipitation, the precipitate is discharged by opening a sewage valve 8 on a sewage discharge pipe 7; after waste water got into decomposition tank 3, after a large amount of biology on the biomembrane 23 combined with waste water, make the biological quantity in the waste water increase, then the staff starts air pump 16, carry the air pipe 17 of outside air to cloth in the decomposition tank 3 through air pump 16, the head of bleeding 19 on the air pipe 17 evenly emits the air, thereby increase the oxygen content of waste water in the decomposition tank 3, make biological metabolism faster, thereby accelerate the decomposition of biological pollutant in to waste water, waste water after the processing is discharged by drain pipe 20.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A papermaking wastewater recycling device for papermaking, which comprises a filter tank (1), a settling tank (2) and a decomposition tank (3), it is characterized in that the outer wall of the top of the filter box (1) is provided with a groove (4), an inclined net (5) is clamped in the groove (4), a handle (24) is arranged on the outer wall of the top of the inclined net (5) through a screw, a conveying pipe (6) is connected with the bottom of the outer wall of one side of the filter box (1) through a thread, and the outer wall of one side of the conveying pipe (6) is connected with a water pump in a threaded manner, one end of the conveying pipe (6) far away from the filter box (1) is connected with the outer wall of one side of the settling tank (2) in a threaded manner, the bottom of the outer wall of one side of the settling tank (2) is in threaded connection with a connecting pipe (25), and the outer wall of one side of the connecting pipe (25) is in threaded connection with a water pump, and one end of the connecting pipe (25), which is far away from the settling tank (2), is in threaded connection with the outer wall of one side of the decomposition tank (3).

2. The recycling device of papermaking wastewater as claimed in claim 1, characterized in that the outer wall of the top of the settling tank (2) is connected with a tank cover (10) by screw threads, the center of the outer wall of the top of the tank cover (10) is provided with a motor (9) by a bolt, the output end of the motor (9) is connected with a rotating shaft (11) by a shaft coupling in a rotating manner, a plurality of fixing rods (13) are welded on the outer wall of one side of the rotating shaft (11), and the end of each fixing rod (13) far away from the rotating shaft (11) is welded with a stirring paddle (12).

3. The papermaking wastewater recycling device as claimed in claim 1, characterized in that a drain pipe (7) is connected to the bottom of the outer wall of one side of the settling tank (2) in a threaded manner, and a drain valve (8) is connected to the outside of the drain pipe (7) in a threaded manner.

4. The papermaking wastewater recycling device according to claim 1, characterized in that an air pump (16) is installed on the outer wall of the side surface of the decomposition box (3) through a bolt, an air pipe (17) is connected to the inner wall of one side of the decomposition box (3) in a threaded manner, a plurality of threaded holes (18) are formed in the outer wall of one side of the air pipe (17), an air discharging head (19) is connected to the inner portion of each threaded hole (18) in a threaded manner, and the air pipe (17) and the air pump (16) are connected with an air discharging end through a pipeline.

5. The recycling device of papermaking wastewater as claimed in claim 1, characterized in that the outer wall of the top of the decomposition box (3) is provided with a ventilation opening (21), and a ventilation net (22) is installed inside the ventilation opening (21) through screws.

6. The papermaking wastewater recycling device as claimed in claim 1, characterized in that a chemical feeding port is formed on the outer wall of the top of the settling tank (2), and a chemical feeding pipe (15) is connected to the chemical feeding port through a thread.

7. The recycling device of papermaking wastewater as claimed in claim 1, wherein the outer wall of the top of the decomposition box (3) is connected with a drain pipe (20) in a threaded manner, and a biological net is clamped inside the decomposition box (3), and the biological net is filled with a biological membrane (23).