CN214612118U

CN214612118U - Slurry plate frame dewatering and curing integrated machine

Info

Publication number: CN214612118U
Application number: CN202023083942.0U
Authority: CN
Inventors: 满志清; 孙萱; 黄寅; 戴力犇; 钱晓荣; 韩晶; 陈天一
Original assignee: Jiangsu Juhui Technologies Co ltd
Current assignee: Jiangsu Juhui Technologies Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-11-05
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to a dehydration solidification all-in-one of mud board frame. In particular to an integrated machine for dehydrating and solidifying slurry salvaged from rivers and lakes. The method is characterized in that: including mud pit, equal mud pit, plate and frame filter press, conveyer, deposit mud bucket, mixer, quenching and tempering agent jar and curing agent jar, it has first slush pump to link between mud pit and equal mud pit, even has the second slush pump between equal mud pit and plate and frame filter press, and plate and frame filter press and conveyer intercommunication, conveyer with deposit the mud bucket intercommunication, deposit mud bucket and mixer intercommunication, between quenching and tempering agent jar and equal mud pit, all communicate between curing agent jar and mixer. The integrated machine for dehydrating and curing the mud plate frame is used for treating river and lake mud, the mud fished ashore can be dehydrated and cured at the same time, the speed of curing is fast, a yard is not needed, and the situations of muddy water and secondary pollution are avoided.

Description

Slurry plate frame dewatering and curing integrated machine

Technical Field

The utility model relates to a silt processing apparatus. In particular to an integrated machine for dehydrating and solidifying slurry salvaged from rivers and lakes.

Background

It is known that dredging rivers and lakes necessarily produces a large amount of sludge. The method for dredging the river and the lake mainly comprises the steps of salvaging sludge in the river and the lake ashore by adopting methods such as underwater stirring and suction, artificial hydraulic flushing and digging and the like, and stacking the sludge in a yard to naturally solidify the sludge. The river and lake sludge is fished ashore by adopting methods such as underwater stirring and suction, artificial hydraulic flushing and digging and the like, so that the river and lake sludge is in a slurry state, has higher water content and low consolidation speed, and can generate secondary argillization in rainy weather, thereby causing secondary pollution to the environment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a mud board frame dehydration solidification all-in-one. The integrated machine for dehydrating and curing the mud plate frame is used for treating river and lake mud, the mud fished ashore can be dehydrated and cured at the same time, the speed of curing is fast, a yard is not needed, and the situations of muddy water and secondary pollution are avoided.

The utility model discloses the above-mentioned problem that solves is realized by following technical scheme:

the utility model discloses a mud sheet frame dehydration solidification all-in-one is characterized in that: including mud pit, equal mud pit, plate and frame filter press, conveyer, deposit mud bucket, mixer, quenching and tempering agent jar and curing agent jar, it has first slush pump to link between mud pit and equal mud pit, even has the second slush pump between equal mud pit and plate and frame filter press, and plate and frame filter press and conveyer intercommunication, conveyer with deposit the mud bucket intercommunication, deposit mud bucket and mixer intercommunication, between quenching and tempering agent jar and equal mud pit, all communicate between curing agent jar and mixer.

Wherein:

a floating platform is arranged between the mud pool and the mud equalizing pool, and the first mud pump is positioned on the floating platform;

the hardening and tempering agent tank is positioned above the mud homogenizing pool, and an outlet of the hardening and tempering agent tank is communicated with the mud homogenizing pool through a first valve.

The conveyor is a screw conveyor;

the utility model discloses a further improvement scheme is, still include the tailrace pond, and this tailrace pond is located under the filter press and between the two intercommunication. And the tail water tank is communicated with a water outlet of the mud tank through a pipeline and a second valve.

The utility model discloses a further improvement scheme is, still includes the flocculating agent jar, and the export of this flocculating agent jar is passed through third valve and tailrace pond intercommunication.

The utility model discloses a further improvement scheme is, there is the filter before the mud pit. The filter is a grated filter.

According to the above technical scheme, because the utility model discloses contain the mud pit, equal mud pit, plate and frame filter press, conveyer, deposit the mud fill, mixer, quenching and tempering agent jar and curing agent jar, it has first slush pump to link between mud pit and equal mud pit, even has the second slush pump between equal mud pit and plate and frame filter press, plate and frame filter press and conveyer intercommunication, the conveyer with deposit the mud fill intercommunication, deposit mud fill and mixer intercommunication, between quenching and tempering agent jar and equal mud pit, all communicate between curing agent jar and mixer. During construction, the slurry salvaged ashore is filtered and then is sent into a slurry pond. After the mud entering the mud pool is slowly precipitated, clear water at the upper part is discharged into the tail water pool through the water outlet of the tail water pool, and the mud at the bottom is pumped into the mud equalizing pool through the first mud pump and the pipeline. And adding a conditioning agent into the mud homogenizing pool to homogenize the mud in the mud homogenizing pool. And pumping the homogenized slurry into a plate frame filter press through a second slurry pump for filter pressing. And discharging the tail water after filter pressing into a tail water pool, and conveying the mud cakes after filter pressing into a mud storage hopper through a conveyor. Then, the mud cake in the mud storage hopper and the curing agent are sent into a stirrer together to be mixed, and the silt curing soil is prepared. The prepared sludge solidified soil can be used in the projects of backfilling, embankment, road and greening, etc. Therefore, adopt the utility model discloses, can dewater simultaneously and solidify the mud of salvaging the ashore, not only solidification speed piece does not need the stock dump, has avoided moreover to take place with the condition of cementization and secondary pollution.

Drawings

Figure 1 is the utility model discloses a mud sheet frame dehydration solidification all-in-one schematic diagram.

Detailed Description

As shown in fig. 1, the utility model discloses a mud sheet frame dehydration solidification all-in-one includes mud pit 2, equal mud pit 4, filter press 6, conveyer 7, deposit mud bucket 8, mixer 9, hardening and tempering agent jar 10 and curing agent jar 11, mud pit 2 links to each other with the help of first slush pump 3 river pipeline between equal mud pit 4, equal mud pit 4 links to each other with the help of second slush pump 5 and pipeline and filter press 6, filter press 6 communicates with the help of pipeline and conveyer 7, conveyer 7 communicates with the help of pipeline and deposit mud bucket 8, deposit the export of mud bucket 8 and the import intercommunication of mixer 9, hardening and tempering agent jar 10 and equal mud pit 4 within a definite time, curing agent jar 11 and mixer 9 within a definite time all communicate.

Wherein, a floating platform 31 is arranged between the mud pit 2 and the mud-homogenizing pit 4, and the first mud pump 3 is positioned on the floating platform 31.

The hardening and tempering agent tank 10 is positioned above the mud homogenizing pool 4, and the outlet of the hardening and tempering agent tank is communicated with the mud homogenizing pool 4 through a first valve. The hardening and tempering agent tank 10 is filled with a hardening and tempering agent, the hardening and tempering agent is a mixed solution prepared by adding 3-5 kg of polyaluminum chloride (PAC) and 0.1-0.3 kg of Polyacrylamide (PAM) to 100 liters of water, and the hardening and tempering agent is a mixed solution prepared by adding 4 kg of polyaluminum chloride (PAC) and 0.2 kg of Polyacrylamide (PAM) to 100 liters of water. The proportion of the modifying agent to the slurry in the mud homogenizing pool 4 is as follows: adding 20-60 kg of a hardening and tempering agent into each cubic meter of slurry, wherein in the embodiment, the proportion of the hardening and tempering agent to the slurry in the mud homogenizing pool 4 is as follows: adding 40 kg of modifying agent into each cubic meter of slurry.

The conveyor 7 is a screw conveyor.

The curing agent tank 11 is filled with a curing agent. The proportion of the mud cake and the curing agent added into the stirrer 9 is that 5-15 kg of curing agent is added into each 100 kg of mud cake. In this example, the proportion of the cake and the curing agent added to the mixer 9 was 10 kg of the curing agent per 100 kg of the cake.

The curing agent can be portland cement, fly ash and gypsum powder, and the curing agent is prepared from the following raw materials in percentage by weight: the fly ash and the gypsum powder are mixed according to the weight ratio of 30:65:5, or the fly ash and the gypsum powder are mixed according to the weight ratio of silicate cement to fly ash to blast furnace slag powder to calcium oxide to gypsum powder: fly ash: blast furnace slag powder: calcium oxide: gesso =30:30:30: 5:5, or silicate cement, fly ash, blast furnace slag powder, calcium oxide, gypsum powder and sodium sulfate according to the weight ratio of silicate cement: fly ash: blast furnace slag powder: calcium oxide: gypsum powder: sodium sulfate =30:20:35: 10: 4:1 by weight ratio. In this embodiment, the curing agent is prepared from portland cement, fly ash and gypsum powder according to the following formula: the fly ash and the gypsum powder are mixed according to the weight ratio of 30:65: 5.

The utility model discloses still be provided with tail water pond 13, this tail water pond 13 is located under the filter press 6 and between the two intercommunication. The tail water tank 13 is communicated with a water outlet of the mud tank 2 through a pipeline and a second valve.

The tail water tank 13 is communicated with a water outlet of the mud tank 2 and a tail water port of the plate-and-frame filter press 6 through a pipeline and a second valve.

A flocculant tank 12 is also provided adjacent to the tailrace pool 13, the outlet of which communicates with the tailrace pool 13 via a third valve.

A flocculating agent is arranged in the flocculating agent tank 12. And adding the flocculating agent into the tail water tank 13 according to 5-10 kg of flocculating agent per cubic meter of tail water. In this example, the flocculant was added to the tailwater pond 13 at 8 kg per cubic meter of tailwater. The flocculant is a mixed solution prepared by mixing polyaluminum chloride (PAC) and Polyacrylamide (PAM) in an amount of 3-5 kg and 0.1-0.3 kg per 100L of water. In this example, the flocculant was a mixed solution prepared by mixing polyaluminum chloride (PAC) and Polyacrylamide (PAM) in an amount of 4 kg and 0.2 kg per 100 liters of water.

In order to filter out the larger impurities in the slurry, a filter 1 is arranged in front of the slurry tank 2. The filter 1 is a grating filter.

During construction, the slurry salvaged ashore is filtered by the filter 1 and then is sent into the slurry pool 2. After the mud entering the mud pool 2 is slowly precipitated, the clear water at the upper part is discharged into the tail water pool 13 through the water outlet of the clear water, and the mud at the bottom is pumped into the mud homogenizing pool 4 through the first mud pump 3 and the pipeline. And then the hardening and tempering agent is added into the mud homogenizing pool 4 through the hardening and tempering agent tank, and the mud in the mud homogenizing pool 4 is homogenized. And pumping the homogenized slurry into a plate-and-frame filter press 6 through a second slurry pump 5 for filter pressing. The tail water after filter pressing is discharged into a tail water pool 13, and the mud cakes after filter pressing are sent into a mud storage hopper 8 through a conveyor 7. Then, the cake in the hopper 8 and the curing agent supplied from the curing agent tank are fed into the mixer 9 and mixed together to produce a sludge-cured soil. The prepared sludge solidified soil can be used in the projects of backfilling, embankment, road and greening, etc.

Claims

1. Mud sheet frame dehydration solidification all-in-one, its characterized in that: the device comprises a mud pit (2), a mud equalizing pit (4), a plate-and-frame filter press (6), a conveyor (7), a mud storage hopper (8), a stirrer (9), a hardening and tempering agent tank (10) and a curing agent tank (11), wherein a first mud pump (3) is connected between the mud pit (2) and the mud equalizing pit (4), a second mud pump (5) is connected between the mud equalizing pit (4) and the plate-and-frame filter press (6), the plate-and-frame filter press (6) is communicated with the conveyor (7), the conveyor (7) is communicated with the mud storage hopper (8), the mud storage hopper (8) is communicated with the stirrer (9), and the hardening and tempering agent tank (10) is communicated with the mud equalizing pit (4) and the curing agent tank (11) is communicated with the stirrer (9); the hardening and tempering agent tank (10) is internally provided with the hardening and tempering agent, and the curing agent tank (11) is internally provided with the curing agent.

2. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: a floating platform (31) is arranged between the mud pool (2) and the mud equalizing pool (4), and the first mud pump (3) is positioned on the floating platform (31).

3. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: the hardening and tempering agent tank (10) is positioned above the mud homogenizing pool (4), and an outlet of the hardening and tempering agent tank is communicated with the mud homogenizing pool (4) through a first valve.

4. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: the conveyor (7) is a screw conveyor.

5. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: the filter press also comprises a tail water tank (13), wherein the tail water tank (13) is positioned below the plate-and-frame filter press (6) and communicated with the plate-and-frame filter press; and the tail water tank (13) is communicated with a water outlet of the mud tank (2) through a pipeline and a second valve.

6. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: the system also comprises a flocculant tank (12), and an outlet of the flocculant tank is communicated with the tail water tank (13) through a third valve.

7. The integrated sludge plate and frame dewatering and curing machine as claimed in claim 1, wherein: a filter (1) is arranged in front of the mud pit (2); the filter (1) is a grating filter.