CN218811281U

CN218811281U - A high-efficient sludge concentration device for cement plant

Info

Publication number: CN218811281U
Application number: CN202222854050.9U
Authority: CN
Inventors: 汪青; 钱进
Original assignee: Jiangsu Shunwei Environmental Engineering Co ltd
Current assignee: Jiangsu Shunwei Environmental Engineering Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-04-07
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a high-efficiency sludge concentration device for a cement plant, which comprises a concentration tank, wherein the concentration tank is fixedly connected with a sludge inlet, a sludge outlet and a sludge outlet, and also comprises an online turbidity monitoring instrument for monitoring the water turbidity of the sludge outlet; and an electric valve arranged at the mud outlet; the online turbidity monitoring instrument and the electric valve are respectively connected with an external PLC control box. The utility model discloses sludge concentration device has improved the flocculation efficiency of mud, and sludge concentration is efficient, easily operation, has solved the untimely technical problem of current sludge concentration device row mud, and it is through on-line monitoring turbidity appearance and install in the electric valve of mud outlet, and the mud in the bottom storage hopper is subsided to timely discharge.

Description

A high-efficient sludge concentration device for cement plant

Technical Field

The utility model relates to an environmental protection equipment technical field especially relates to a high-efficient sludge concentration device for cement plant.

Background

In the sewage treatment process of a cement plant, sewage can be discharged regularly, the water content of the sludge is high, dehydration treatment is performed after concentration, a gravity concentration method is adopted by a sludge concentration device, precipitation is performed by depending on the gravity action of solid matters in the sludge, and supernatant in a sludge concentration tank is discharged.

The bottom of current sludge concentration jar has set up out the mud mouth, an overflow mouth has been seted up on the lateral wall, the supernatant liquid level when sludge concentration pond rises to the overflow mouth will overflow, thereby the initial gross separation of mud and sewage has been realized, the height that sets up of general overflow mouth is limited, must the sludge mass in the sludge concentration jar reach certain degree just can normal use, and during actual sewage treatment, the mud content of sewage is different, if the mud content of sewage is too big, then can deposit a large amount of mud very fast in the sludge concentration jar, mud piles up probably will surpass the overflow mouth too soon, and the mud of sediment surpasses the overflow mouth, the unable discharge of supernatant, consequently, deposit unable normal clear implementation.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a can avoid mud to discharge not time to lead to mud to surpass the high-efficient sludge concentration device for cement plant of overflow mouth often, can effectively solve the untimely problem of mud is arranged to the sludge concentration device of prior art.

The technical scheme is as follows: the high-efficiency sludge concentration device for the cement plant comprises a concentration tank, wherein a sludge inlet, a sludge outlet and a sludge outlet are fixedly connected to the concentration tank, and the high-efficiency sludge concentration device also comprises an online turbidity monitoring instrument for monitoring the water turbidity of the sludge outlet; and an electric valve arranged at the mud outlet; the online turbidity monitoring instrument and the electric valve are respectively connected with an external PLC control box.

Wherein, concentrated jar includes that top-down connects gradually the upper portion jar body, the middle part jar body and the lower part jar body, wherein: the lower tank body is a mud storage hopper, and the mud outlet is positioned at the bottommost part of the mud storage hopper.

Wherein, the mud-feeding device also comprises a central shaft tube communicated with the mud inlet, the central shaft tube extends the lower end of the discharge end of the central shaft tube into the lower tank body, and the sludge inlet is communicated with the central shaft tube.

Wherein, install out the basin in the upper portion jar body, upper portion jar body is linked together through this play basin and middle part jar body, the delivery port is connected in upper portion jar body.

Wherein, the utility model also comprises an inclined tube filler which is filled in the middle tank body.

The inclined tube packing comprises a first inclined tube part and a second inclined tube part from top to bottom, the pipe diameter of the first inclined tube part is smaller than that of the second inclined tube part, and the horizontal height of the mud inlet is higher than that of the highest position of the inclined tube packing.

Wherein, still include buffer tube mouth groove, buffer tube mouth groove includes concentric reducing reducer and toper fill, and wherein, the less tip of concentric reducing reducer is installed in central axis pipe discharge end, and toper fill upper portion passes through screw-thread steel fixed connection with concentric reducing reducer, and toper fill lower part passes through band iron fixed connection with concentric reducing reducer.

Wherein, the edge of the water outlet groove is arranged to be serrated.

Wherein, still include support piece, fixed connection is in concentrated jar, the minimum level of mud outlet is higher than the minimum level of support piece.

Wherein, still include the lug, fixed connection is in the outer fringe of concentrated jar upper portion.

Has the beneficial effects that: compared with the prior art, the utility model has the advantages of as follows: the utility model provides the high flocculation efficiency of mud, sludge concentration is efficient, easily operation, has solved the untimely technical problem of current sludge concentration device row mud, and it is through on-line monitoring turbidity appearance and install in the electric valve of mud outlet, and the mud in the bottom storage mud fill is subsided to timely discharge.

Drawings

FIG. 1 is a schematic structural view of a high-efficiency sludge thickening apparatus for a cement plant according to the present invention;

FIG. 2 is a schematic diagram of a buffer tube slot configuration;

in the figure: 1. lifting lugs; 2. a water outlet groove; 3. a water outlet; 4. a sludge inlet; 5. a concentration tank; 501. an upper tank body; 502. a middle tank body; 503. a lower tank body; 6. a central shaft tube; 7. filling the inclined tube; 701. a first inclined tube portion; 702. a second inclined tube portion; 8. monitoring a turbidity meter on line; 9. a buffer orifice slot; 10. a support member; 11. storing the mud; 12. a sludge outlet; 13. an electrically operated valve; 14. concentric reducing reducer heads; 15. deformed steel bar; 16. flat iron; 17. a conical hopper.

Detailed Description

As shown in figure 1, the utility model discloses a high-efficient sludge concentration device for cement plant includes concentrated jar 5, and fixedly connected with advances mud mouth 4, delivery port 3 and play mud mouth 12 on the concentrated jar 5 still includes: an online turbidity monitoring instrument 8 for monitoring the water turbidity at the water outlet 3; and an electric valve 13 installed at the sludge outlet 12; on-line monitoring turbidity appearance 8 and electric valve 13 are connected with outside PLC control box respectively, and when the play water turbidity that on-line monitoring turbidity appearance 8 detected delivery port 3 was too high, electric valve 13 opened row's mud.

The concentration tank 5 comprises an upper tank 501, a middle tank 502 and a lower tank 503 from top to bottom, the lower tank 503 is a mud storage hopper 11, and the mud outlet 12 is positioned at the bottommost part of the mud storage hopper 11. The top of the concentration tank 5 is in a closed state, and a manhole is arranged for observing and maintaining equipment. In this embodiment, the lower part of the lower tank 503 is an inverted circular truncated cone, and the upper part is a cylinder with the same diameter as the upper end of the inverted circular truncated cone.

Support piece 10 fixed connection is in concentrated jar 5, preferably 3 at least and evenly distributed, and the minimum level of mud outlet 12 is higher than support piece 10 minimum level, reserves certain distance. The outer edge of the upper part of the concentration tank 5 is fixedly connected with two lifting lugs 1, and the two lifting lugs 1 are preferably symmetrically distributed.

The central line position department of the inside of concentrated jar 5 is provided with central axis pipe 6, and this central axis pipe 6 feed end communicates into mud mouth 4 to stretch into its discharge end to the lower part jar body 503 in storage hopper 11 promptly and leave the interval with the bottom face, central axis pipe 6 discharge end installation buffer tube mouth groove 9.

As shown in fig. 2, the buffer tube opening groove 9 comprises a concentric reducing reducer 14 and a cone-shaped hopper 17, wherein the smaller end of the concentric reducing reducer 14 is mounted at the discharge end of the central shaft tube 6 and connected by welding for reducing the flow rate of the influent sludge. The upper part of the conical hopper 17 is connected with the concentric reducing and reducing head 14 through the deformed steel bar 15 in a welding mode, and the lower part of the conical hopper 17 is connected with the concentric reducing and reducing head 14 through the flat iron 16 in a welding mode. The conical hopper 17 and the concentric reducing reducer 14 are provided with gaps except for the connection part of the flat iron 16, so that materials can flow through, the buffer tube opening groove 9 effectively prevents the inflow sludge from flowing at too high speed, the sludge settled in the sludge storage hopper 11 floats upwards, and the effect of reducing the flow speed for buffering is achieved.

The upper tank body 501 of the concentration tank 5 is internally provided with a water outlet groove 2, the upper tank body 501 is communicated with the middle tank body 502 through the water outlet groove 2, the edge of the water outlet groove 2 is arranged to be serrated, the serrated edge enables water to be discharged uniformly, and suspended matters can be further prevented from directly entering the water outlet. The water outlet 3 is connected to the upper tank 501. The middle tank body 502 is filled with the inclined tube filler 7, the mud inlet 4 is higher than the highest horizontal height of the inclined tube filler 7, in the embodiment, the inclined tube filler 7 comprises a first inclined tube part 701 and a second inclined tube part 702 from top to bottom, the tube diameter of the first inclined tube part 701 is smaller than that of the second inclined tube part 702, the tube diameter specification of the first inclined tube part 701 is preferably diameter phi 35, and the tube diameter specification of the second inclined tube part 702 is preferably diameter phi 50.

The utility model discloses a high-efficient sludge concentration device during operation, muddy water begins gravity through entering central siphon 6 inside the concentrated jar 5 of mud mouth 4 entering after mixing with the medicament and subsides, relies on gravity with most flocs to subside the storage mud fill 11 to the bottom, and this in-process, muddy water get into the bottom of concentrated jar 5 from buffer pipe mouth groove 9, reducible disturbance to depositing mud.

Along with the flocculating constituent incessantly gets into, the water level rises to the pipe chute filler 7, cut apart into a plurality of laminas with sewage, the water conservancy radius that flows in the pipe chute is very little, make it adsorb with higher speed less flocculating constituent, subside, the storage is in concentrated jar 5 bottoms, the area of sedimentation tank has been increased simultaneously, the granule sedimentation distance has been shortened, precipitation efficiency has been improved, until the water level rises to outlet trough 2, the supernatant is from delivery port 3 runoff, the online monitoring turbidity appearance 8 of delivery port 3 sample monitors the turbidity of delivery port 3 play water this moment, the supernatant suspended solid is more when delivery port 3, online monitoring turbidity appearance 8 readings is higher, when the turbidity reaches more than 50NTU, electric valve 13 of mud outlet 12 is opened and is arranged mud, discharged mud is used for carrying to sludge dewatering device and carries out dehydration, observe the mud condition of concentrated jar 5 row mud condition for a period of duration, set for the row mud time according to the mud settlement condition, ensure that the moisture content of mud is lower, reach the condition of mud dehydration, make things convenient for follow-up dewatering device and carry out dehydration. The on-line monitoring turbidity meter 8 needs to be cleaned regularly, so that bottom flocs are prevented from being accumulated to influence real-time parameters, and the concentration tank 5 is caused to continuously discharge sludge.

Claims

1. A high-efficiency sludge concentration device for a cement plant comprises a concentration tank (5), wherein a sludge inlet (4), a water outlet (3) and a sludge outlet (12) are fixedly connected to the concentration tank (5), and the high-efficiency sludge concentration device is characterized by further comprising an online turbidity monitoring instrument (8) for monitoring the water turbidity of the water outlet (3); and an electric valve (13) installed at the mud outlet (12); the online turbidity monitoring instrument (8) and the electric valve (13) are respectively connected with an external PLC control box.

2. The high efficiency sludge thickening apparatus for cement plant according to claim 1, wherein: concentrated jar (5) including the upper portion jar body (501), the middle part jar body (502) and the lower part jar body (503) that top-down connected gradually, wherein:

the lower tank body (503) is a mud storage hopper (11), and the mud outlet (12) is positioned at the bottommost part of the mud storage hopper (11).

3. The high efficiency sludge thickening apparatus for cement plant according to claim 2, wherein: the sludge treatment device also comprises a central shaft tube (6) communicated with the sludge inlet (4), and the discharge end of the central shaft tube (6) extends into the lower tank body (503).

4. The high efficiency sludge thickening apparatus for cement plant according to claim 2, wherein: a water outlet groove (2) is arranged in the upper tank body (501), the upper tank body (501) is communicated with the middle tank body (502) through the water outlet groove (2), and the water outlet (3) is connected with the upper tank body (501).

5. The high efficiency sludge thickening apparatus for cement plant according to claim 2, wherein: also comprises an inclined tube filler (7) filled in the middle tank body (502).

6. The high efficiency sludge thickening apparatus for cement plants according to claim 5, wherein: the inclined tube packing (7) comprises a first inclined tube part (701) and a second inclined tube part (702) from top to bottom, the tube diameter of the first inclined tube part (701) is smaller than that of the second inclined tube part (702), and the horizontal height of the mud inlet (4) is higher than that of the highest position of the inclined tube packing (7).

7. The high efficiency sludge thickening apparatus for cement plant according to claim 3, wherein: still include buffer tube mouth groove (9), buffer tube mouth groove (9) are fought (17) including concentric reducing reducer (14) and toper, and wherein, the less tip of concentric reducing reducer (14) is installed in central siphon (6) discharge end, and toper fill (17) upper portion and concentric reducing reducer (14) pass through screw-thread steel (15) fixed connection, and toper fill (17) lower part and concentric reducing reducer (14) pass through band iron (16) fixed connection.

8. The high efficiency sludge concentration apparatus for cement plant according to claim 4, wherein: the edge of the water outlet groove (2) is arranged to be serrated.

9. The high efficiency sludge thickening apparatus for cement plant according to claim 1, wherein: still include support piece (10), fixed connection in concentrated jar (5), the minimum level of mud outlet (12) is higher than support piece (10) minimum level.

10. The high efficiency sludge thickening apparatus for cement plant according to claim 1, wherein: also comprises a lifting lug (1) which is fixedly connected with the outer edge of the upper part of the concentration tank (5).