CN211813855U

CN211813855U - Sludge tail water PH adjusting device

Info

Publication number: CN211813855U
Application number: CN202020189764.0U
Authority: CN
Inventors: 袁杰; 姬昌其; 熊兵; 周兵; 余芳; 方阳扬
Original assignee: Zhejiang Shujun Engineering Co ltd
Current assignee: Zhejiang Shujun Engineering Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-10-30
Anticipated expiration: 2030-02-20

Abstract

The utility model discloses a silt tail water PH adjusting device belongs to silt tail water treatment technical field, through communicating pipe intercommunication between acid storage tank and the neutralization pond, be equipped with the delivery pump communicating pipe on, be equipped with the mixer in the neutralization pond, transversely be provided with the filter in the neutralization pond, the neutralization pond passes through the filter and separates into cavity and cavity down, advance water piping connection on the outer wall of cavity down and communicate each other with cavity down, the outer wall of cavity is equipped with the blow off pipe rather than inside intercommunication down, the blow off pipe is equipped with the valve body that controls it to open and close, the outlet pipe sets up on the outer wall of last cavity and communicates each other with the last cavity. This silt tail water pH adjusting device can the automated inspection pH value in the neutralization pond, can add acid to carry out the acid-base neutralization through the automatic toward neutralization pond of controller according to the pH value of setting for, when clearing up inside impurity, can not need the manual work often to clear up to its inside, and it is more convenient simple that the clearance gets up.

Description

Sludge tail water PH adjusting device

Technical Field

The utility model belongs to the technical field of silt tail water treatment technique and specifically relates to a silt tail water PH adjusting device is related to.

Background

In the ex-situ remediation of river and lake bottom mud, an integrated treatment technology of mechanical dehydration and chemical modification of the sludge is usually adopted, alkaline modified materials (such as lime powder) are usually added in the chemical modification process, so that the pH value of tail water is increased (pH is 11-13), meanwhile, the bottom mud contains pollutants, and in the modification and solidification process, part of the pollutants enter the tail water to form low-concentration polluted wastewater. The existing treatment technology adopts an inorganic acid neutralization process to adjust the pH value to 6-9, and then the pH value is discharged to rivers and lakes. As shown in figure 1, the device for adjusting the pH of the sludge tail water is a common device on the market at present, and comprises an acid storage tank 1 and a neutralization pond 2, wherein the neutralization pond 2 is provided with a water inlet pipe 3 and a water outlet pipe 4, the acid storage tank 1 is communicated with the neutralization pond 2 through a communicating pipe 5, the communicating pipe 5 is provided with a delivery pump 6, a stirrer 7 is arranged in the neutralization pond 2, and a filter screen is vertically arranged in the neutralization pond 2. The tail water obtained by sludge dehydration is alkaline water with the pH value larger than 9, the sludge tail water enters the neutralization tank 2 from the water inlet pipe 3, the acid in the acid storage tank 1 is also conveyed to the neutralization tank 2 through the conveying pump 6 and is continuously stirred by the stirrer 7 to carry out acid-base neutralization reaction, the pH value of the tail water after reaction is 6-9, and the tail water is filtered by the filter screen and then is discharged into a river channel.

But above-mentioned traditional silt tail water PH adjusting device can have a defect, and the filter screen is at filterable in-process, and water can pass through the filter screen, and impurity can be by the separation in the neutralization pond, just so follow-up impurity accumulation need the manual work after much clear up the impurity in the neutralization pond, and the clearance of such structure is got up just troublesome.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a silt tail water PH adjusting device, this silt tail water PH adjusting device can not need the manual work often to clear up inside when clearing up inside impurity, and the clearance gets up more conveniently simply.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a silt tail water PH adjusting device, is including storing up acid tank and neutralization pond, neutralization pond is equipped with inlet tube and outlet pipe, through communicating pipe intercommunication between storing up acid tank and the neutralization pond, be equipped with the delivery pump communicating pipe on communicating pipe, be equipped with the mixer in neutralization pond, transversely be provided with the filter in the neutralization pond, the neutralization pond passes through the filter and separates into cavity and cavity down, advance water piping connection on the outer wall of cavity down and communicate each other with cavity down, the outer wall of cavity is equipped with the blow off pipe rather than inside intercommunication down, the blow off pipe is equipped with the valve body that its is opened and close of control, the outlet pipe sets up on the outer wall of last cavity and communicates each other with the cavity of going up.

Through adopting above-mentioned technical scheme, the neutralization pond is in the work, tail water after the silt dehydration enters into the neutralization pond from the inlet tube, tail water passes through the filter and discharges in the river course from the outlet pipe, and impurity is by the filter separation can drop in the cavity of resorption, in the middle of with when impurity accumulation to a certain extent needs clearance in the pond, open the valve body on the blow off pipe, then intake in the inlet tube, impurity in the cavity of resorption is along with rivers discharge from the blow off pipe together outside the neutralization pond, thereby just need not artifical often to the inside clearance impurity of neutralization pond, impurity clearance gets up more convenient simple.

The utility model discloses further set up to: the water inlet pipe and the sewage draining pipe are respectively arranged on the outer wall of the lower cavity back to back.

Through adopting above-mentioned technical scheme for inlet tube and blow off pipe set up relatively, thereby the inlet tube is when intaking, and impurity can directly be washed away blow off pipe department and discharge from the blow off pipe by rivers, makes impurity more easily by discharge to the neutralization pond outside, makes the neutralization pond can be more clean by the clearance ground.

The utility model discloses further set up to: the inner bottom wall of the lower cavity is obliquely and downwards arranged from the water inlet pipe to the sewage discharge pipe.

Through adopting above-mentioned technical scheme, impurity can be along the lower intracavity bottom roll of slope to blow off pipe department to under the promotion of rivers, impurity is discharged outside the neutralization pond more easily, makes the neutralization pond can be cleared up more cleanly.

The utility model discloses further set up to: the inlet tube slope sets up on the outer wall of cavity down, the incline direction of inlet tube is the same with the convenient slope of diapire in the cavity down, the minimum of inlet tube inner wall is less than or equal to the peak of the indoor diapire of cavity down, the minimum of blowdown pipe inner wall is less than or equal to the minimum of the indoor diapire of cavity down.

Through adopting above-mentioned technical scheme, the rivers that the inlet tube came in can directly aim at the indoor diapire of cavity of resorption and erode to make the impurity that is located on the indoor diapire of cavity of resorption more easily washed away, impurity rolls the process that falls the blow off pipe from the indoor diapire of cavity of resorption and does not block, and impurity can be discharged from the blow off pipe more smoothly, and the clearance effect is more obvious.

The utility model discloses further set up to: the horizontal sliding chutes are formed in the opposite inner walls of the neutralization tank, the end parts of the back of the filter plates are horizontally connected in the adjacent sliding chutes in a sliding mode respectively, the outer wall of the neutralization tank is provided with openings communicated with the sliding chutes, the outer wall of the filter plate is in sealing fit with the inner wall of the openings, and the filter plate is fixed with the neutralization tank through bolts.

Through adopting above-mentioned technical scheme, when needs rinse the filter, can take the filter out from the opening part and rinse for it is more convenient to the washing of filter.

The utility model discloses further set up to: the filter plate comprises a frame body and a net body arranged in the frame body, the frame body extends to the outside of the opening and is fixedly provided with a flange on the side wall of the frame body, a sealing gasket is fixedly arranged on the side wall of the flange close to one side of the neutralization tank, and the flange is fixed with the neutralization tank through a bolt.

Through adopting above-mentioned technical scheme, the setting of flange and sealed pad for the difficult phenomenon that leaks of appearing of opening part.

The utility model discloses further set up to: the communicating pipe is communicated with a branch pipe, the branch pipe is communicated with the neutralization tank, and an auxiliary pump is arranged on the branch pipe.

Through adopting above-mentioned technical scheme, when the conveyer pump appeared damaging, the auxiliary pump can be opened, adds the calculation through the branch pipe in to the neutralization pond and carries out acid-base neutralization treatment.

To sum up, the utility model discloses a beneficial technological effect does:

through setting up the blow off pipe, lead to water in toward the inlet pipe in clearance impurity can make impurity and water discharge from the blow off pipe together, need not artificially clear up impurity in going to the neutralization pond for impurity clearance is more simple and convenient.

Drawings

Fig. 1 is a schematic view of a prior art structure.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, an acid storage tank; 2. a neutralization pond; 3. a water inlet pipe; 4. a water outlet pipe; 5. a communicating pipe; 6. a delivery pump; 7. a blender; 8. a filter plate; 81. a net body; 82. a frame body; 9. an upper chamber; 10. a lower chamber; 11. a blow-off pipe; 12. a valve body; 13. a chute; 14. an opening; 15. a flange; 16. a gasket; 17. a bolt; 18. a branch pipe; 19. an auxiliary pump; 20. a handle; 21. a fixed block; 22. an anti-corrosion ball valve.

Detailed Description

Referring to fig. 2, in order to the utility model discloses a sludge tail water PH adjusting device, including acid storage tank 1 and neutralization pond 2, realize the intercommunication through communicating pipe 5 between acid storage tank 1 and the neutralization pond 2, be provided with delivery pump 6 on communicating pipe 5, can carry the acid liquid in the acid storage tank 1 to the neutralization pond 2 through delivery pump 6, still communicate branch pipe 18 on communicating pipe 5, be provided with auxiliary pump 19 on branch pipe 18, after auxiliary pump 19 is opened, can carry the acid liquid in the branch pipe 18 too, install anticorrosive ball valve 22 on communicating pipe 5 and branch pipe 18 respectively, be used for controlling the opening and closing of its pipeline; a PH value detector is arranged in the neutralization tank 2 and used for detecting the PH value of liquid in the neutralization tank 2 at any time, a controller is electrically connected to the PH value detector and is respectively electrically connected with the delivery pump 6 and the auxiliary pump 19, the controller controls the delivery pump 6 to start to add acid into the neutralization tank 2 through the communicating pipe 5 when the PH value detected by the PH value detector is higher than a set value by setting a PH value, and the controller controls the delivery pump 6 to stop working when the PH value detected by the PH value detector is lower than the set value; when the delivery pump 6 is damaged, the anti-corrosion ball valve 22 on the branch pipe 18 can be opened, and the auxiliary pump 19 is started to add acid into the neutralization tank 2 through the branch pipe 18.

A filter plate 8 is installed in the neutralization pond 2, the filter plate 8 is horizontally arranged in the neutralization pond 2 and divides the neutralization pond 2 into an upper chamber 9 and a lower chamber 10 from top to bottom, a water inlet pipe 3 is fixedly arranged on the right side wall of the neutralization pond 2, the water inlet pipe 3 is communicated with the lower chamber 10, a sewage discharge pipe 11 and a water outlet pipe 4 are fixedly arranged on the left side of the neutralization pond 2, the sewage discharge pipe 11 is communicated with the lower chamber 10, the water outlet pipe 4 is communicated with the upper chamber 9, and valve bodies 12 are respectively installed on the sewage discharge pipe 11 and the water outlet pipe 4; two stirrers 7 are also arranged in the neutralization pond 2, tail water after sludge dehydration enters the neutralization pond 2 from the water inlet pipe 3, and the tail water and the acidic liquid are uniformly stirred by the stirrers 7.

The inner bottom wall of the lower cavity 10 is inclined downwards from right to left, the water inlet pipe 3 is also inclined downwards from right to left, the lowest point of the inner wall of the water inlet pipe 3 is lower than or equal to the highest point of the inner bottom wall of the lower cavity 10, and the lowest point of the inner wall of the sewage discharge pipe 11 is lower than or equal to the lowest point of the inner bottom wall of the lower cavity 10, so that water entering the neutralization pond 2 from the water inlet pipe 3 can directly wash the inner bottom wall of the lower cavity 10, impurities are not blocked in the process of rolling down to the sewage discharge pipe 11 from the inner bottom wall of the lower cavity 10, and the impurities can be smoothly discharged from the sewage discharge pipe 11.

As shown in fig. 3, the filter plate 8 includes a frame 82 and a net 81 disposed in the frame 82, sliding grooves 13 sliding in the horizontal direction are respectively disposed on the opposite inner walls of the neutralization tank 2, two opposite ends of the frame 82 are respectively slidably disposed in the adjacent sliding grooves 13, an opening 14 communicating with the sliding grooves 13 is disposed on the side wall of the neutralization tank 2, the frame 82 of the filter plate 8 is in sealing fit with the inner wall of the opening 14, the frame 82 extends out of the opening 14, a flange 15 is disposed around the frame 82 outside the opening 14, a fixing block 21 is welded on the outer wall of the neutralization tank 2, a sealing gasket 16 is fixedly disposed on the side wall of the flange 15 facing the fixing block 21, and the fixing block 21 and the flange 15 are fixed by bolts 17; the frame 82 outside the flange 15 is also provided with a handle 20, so that the filter plate 8 can be pulled out from the neutralization tank 2 for further cleaning after the bolts 17 are screwed off.

Neutralization pond 2 is in the work, tail water after the silt dehydration enters into neutralization pond 2 from inlet tube 3, tail water up flows outlet pipe 4 through filter 8 and discharges in the river course, and impurity is by the separation of filter 8 can drop in cavity 10 down, when impurity accumulation to a certain amount needs clearance, can close valve body 12 on the outlet pipe 4 in advance, open valve body 12 on the blow off pipe 11, the impurity in the inlet tube 3 interior water inflow scour cavity 10 down, make impurity can follow blow off pipe 11 along with the rivers and discharge, thereby do not need artifical entering neutralization pond 2 inside to clear up, it is more convenient to clear up.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a silt tail water PH adjusting device, includes acid storage tank (1) and neutralization pond (2), neutralization pond (2) are equipped with inlet tube (3) and outlet pipe (4), through communicating pipe (5) intercommunication between acid storage tank (1) and neutralization pond (2), be equipped with delivery pump (6) on communicating pipe (5), be equipped with mixer (7), its characterized in that in neutralization pond (2): transversely be provided with filter (8) in neutralization pond (2), neutralization pond (2) separate into through filter (8) and go up cavity (9) and cavity (10) down, inlet tube (3) are connected on the outer wall of cavity (10) down and communicate each other with cavity (10) down, the outer wall of cavity (10) is equipped with blow off pipe (11) rather than inside intercommunication down, blow off pipe (11) are equipped with control its valve body (12) of opening and close, outlet pipe (4) set up on the outer wall of last cavity (9) and communicate each other with last cavity (9).

2. The PH adjusting device for sludge tail water according to claim 1, wherein: the water inlet pipe (3) and the sewage draining pipe (11) are respectively arranged on the outer wall of the lower chamber (10) back to back.

3. The PH adjusting device for sludge tail water according to claim 2, wherein: the inner bottom wall of the lower chamber (10) is arranged obliquely downwards from the water inlet pipe (3) to the sewage discharge pipe (11).

4. The pH adjusting device for sludge tail water according to claim 3, which is characterized in that: the slope of inlet tube (3) sets up on the outer wall of cavity (10) down, the incline direction of inlet tube (3) is convenient the same with the bottom wall slope in cavity (10) down, the minimum of inlet tube (3) inner wall is less than or equal to the peak of bottom wall in cavity (10) down, the minimum of blow off pipe (11) inner wall is less than or equal to the minimum of bottom wall in cavity (10) down.

5. The PH adjusting device for sludge tail water according to claim 1, wherein: all set up lateral sliding's spout (13) on the relative inner wall in neutralization pond (2), the tip that filter (8) carried on the back mutually is the horizontal slip connection respectively in adjacent spout (13), opening (14) that communicate each other with spout (13) are seted up to neutralization pond (2) outer wall, filter (8) outer wall and opening (14) inner wall seal fit, filter (8) are through bolt (17) and neutralization pond (2) reciprocal anchorage.

6. The pH adjusting device for sludge tail water according to claim 5, which is characterized in that: the filter plate (8) include framework (82) and mesh body (81) of setting in framework (82), framework (82) extend to opening (14) outside and have set firmly flange (15) on its lateral wall, flange (15) are close to and have set firmly sealed pad (16) on the lateral wall of neutralization pond (2) one side, flange (15) are fixed through bolt (17) and neutralization pond (2).

7. The PH adjusting device for sludge tail water according to claim 1, wherein: the communicating pipe (5) is communicated with a branch pipe (18), the branch pipe (18) is communicated with the neutralization pond (2), and an auxiliary pump (19) is arranged on the branch pipe (18).