CN211871761U

CN211871761U - Auxiliary system for improving sludge dewatering and curing efficiency

Info

Publication number: CN211871761U
Application number: CN202020194467.5U
Authority: CN
Inventors: 白若男; 王骏林; 杨振兴; 毕杨; 朱沁岚; 张荣生
Original assignee: China Construction Water Affairs Environmental Protection Co Ltd
Current assignee: China Construction Water Affairs Environmental Protection Co Ltd
Priority date: 2020-02-22
Filing date: 2020-02-22
Publication date: 2020-11-06
Anticipated expiration: 2030-02-22

Abstract

The utility model discloses an auxiliary system for improving the efficiency of sludge dewatering and solidification, which comprises an impurity removing device and a stacked screw type dewatering device connected by a sludge pump; the edulcoration device includes the edulcoration box, and edulcoration box side upper end sets up the connector of connecting a silt feed cylinder, and the edulcoration box erects the mesh screen through the support piece that the medial surface symmetry set up, and edulcoration box bottom surface intercommunication mud hopper, the play feed cylinder that the mud hopper lower extreme set up passes through defeated mud union coupling sludge pump entry end, and sludge pump exit end will be through defeated mud pipe pile spiral shell formula dewatering device, and the silt after will dewatering for the first time through pile spiral shell formula dewatering device is arranged to storing up in the mud pit again. The utility model discloses the structure is small and exquisite, convenient transportation, power is little, the energy consumption is low, and avoids secondary pollution, is used in before silt deposits, solidification, has practiced thrift the time of mud deposit in the storage mud pond, has improved the efficiency of mud solidification in large-scale mechanical equipment such as pressure filter, has practiced thrift the required place in storage mud pond and has reduced the use amount of medicament.

Description

Auxiliary system for improving sludge dewatering and curing efficiency

Technical Field

The utility model relates to a silt dehydration solidification field in the river course desilting engineering, concretely relates to improve auxiliary system of silt dehydration solidification efficiency.

Background

In the river regulation project, the dredging work is particularly important, and an applicable dredging method needs to be selected, so that the aims of shortening the construction period and reducing the cost are fulfilled. At present, the common dredging methods mainly comprise wet dredging, semi-dry dredging and dry dredging, wherein the wet dredging and the semi-dry dredging need to concentrate sludge in a sludge storage tank, then a mechanical dewatering system (a plate and frame filter press is commonly used) is adopted for solidification, and the dry dredging does not need a concentration process but still needs mechanical dewatering. At present, wet dredging and semi-dry dredging are more widely applied, so the overall efficiency of dewatering is very important. The existing method is that sludge extracted from a river channel is conveyed to a sludge storage tank in a sludge solidification field through a sludge conveying pipe, impurities are manually sorted at the inlet of the sludge storage tank by a mesh screen 6, the sludge after impurity removal is kept still in the sludge storage tank for about 12 hours, supernatant is discharged, and the precipitated sludge is conveyed to a solidification system for solidification.

However, the traditional dehydration method has the following disadvantages:

(1) the sludge needs to be manually cleaned in real time and observed in real time in the process of being conveyed to the sludge storage pool, so that the efficiency is low and the cost is high;

(2) large fields need to be coordinated, and because the time consumption in the sludge standing process is long, the sedimentation tank is too small, and the sludge is often fully accumulated because the sludge sedimentation speed is lower than the sludge transmission speed;

(3) the using amount of the medicament is large, and the using amount of the medicament can be increased when the water content of the sludge is too high;

(4) the solidified mud cake has high water content, the processing capacity of solidification equipment is limited, the water content response of the sludge with high water content after solidification is high, and the sludge is difficult to transport.

In view of this, it is needed to provide a system for efficiently removing sludge impurities and performing pre-dehydration before sludge is conveyed to a sludge storage tank, so as to improve sludge dehydration efficiency and save the occupied space of a solidification site and construction cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme adopted by the utility model is to provide an auxiliary system for improving the dehydration and solidification efficiency of sludge, which comprises an impurity removal device and a stacked screw type dehydration device connected by a sludge pump;

the edulcoration device includes the edulcoration box, edulcoration box side upper end sets up the connector of connecting a silt feed cylinder, the edulcoration box erects the mesh screen through the support piece that the medial surface symmetry set up, edulcoration box bottom surface intercommunication mud hopper, the play feed cylinder that the mud hopper lower extreme set up passes through defeated mud union coupling the sludge pump entry end, sludge pump exit end will fold spiral shell formula dewatering device through defeated mud pipe, and the silt after will dewatering for the first time through folding spiral shell formula dewatering device will be arranged to storing up in the mud pit again.

In the scheme, the top surface of the impurity removal box body is connected with the vibration motor.

In the above scheme, the apex angle of edulcoration box bottom sets up the stabilizer blade respectively, still include with the heel brace that the stabilizer blade corresponds the setting, the heel brace top is provided with the spliced pole along the axial, the stabilizer blade with the spliced pole passes through damping spring connects.

In the scheme, the discharge barrel arranged at the lower end of the sludge collecting hopper and the sludge collecting hopper are arranged at an obtuse angle.

In the above scheme, the mesh screen comprises a plurality of groups of symmetrically arranged supporting pieces, and a plurality of mesh screens are correspondingly arranged.

In the above scheme, the mesh values of the plurality of meshes become larger in order from the top to the bottom.

In the above scheme, support piece is for locating respectively be the right angle steel of "L" type on the edulcoration box inner wall four corners, or the symmetry is located the right angle steel of edulcoration box inner wall.

In the above scheme, each support member is provided with a vertically upward spring, and the mesh screen is erected on the springs.

In the above scheme, the front panel or the top plate of the impurity removal box body is connected with the impurity removal box body in an opening and closing mode through a hinge.

The utility model provides a portable system suitable for sludge impurity removal, which mainly integrates an impurity removal device and a dehydration device into a system and realizes the functions of sludge impurity removal and dehydration; the structure is small and exquisite, convenient transportation, power is little, the energy consumption is low, and avoids secondary pollution, is used in before silt deposits, solidification, has practiced thrift the time of mud deposit in the storage mud pond, has improved the efficiency of mud solidification in large-scale mechanical equipment such as pressure filter, has practiced thrift the required place in storage mud pond and has reduced the use amount of medicament.

Drawings

Fig. 1 is a schematic structural diagram provided by the present invention;

fig. 2 is a schematic sectional structure view of the trash box 11 of the present invention;

fig. 3 is a schematic view of the supporting member arrangement structure provided by the present invention;

fig. 4 is a schematic view of the internal structure of the impurity removing box body 11 with the supporting member connected with the mesh screen;

fig. 5 is a schematic view of the internal structure of the impurity removing box 11 of the supporting member with the spring 41 according to the present invention.

Detailed Description

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

As shown in fig. 1, the utility model provides an auxiliary system for improving the efficiency of sludge dewatering and solidification, which comprises an impurity removing device and a stacked screw type dewatering device connected by a sludge pump 13;

the edulcoration device includes

edulcoration box

11, 11 side upper ends of edulcoration box set up the connector of connecting a silt feed cylinder, edulcoration box 11 erects the mesh screen 6 through support piece 14 that the medial surface symmetry set up, 11 bottom surfaces of edulcoration box intercommunication mud hopper 4, the play feed cylinder 5 that 4 lower extremes of mud hopper set up connects sludge pump 13 entry end through defeated mud pipe 12, sludge pump 13 exit end connects through defeated mud pipe 12 and folds spiral shell formula dewatering device, the silt after will firstly dewater through folding spiral shell formula dewatering device again is arranged to storing up the mud pit in.

In the system, sludge pumped from a river channel is conveyed into an impurity removal box body 11 through a sludge feeding cylinder, a mesh screen 6 screens large-particle impurities, small garbage and other substances in the sludge, the screened substances flow into a sludge collecting hopper 4 and are conveyed to a stacked spiral dehydration device through a sludge pump 13 for dehydration, and the sludge after primary dehydration is discharged into a sludge storage tank; this system's edulcoration device and dewatering device set up into a system, realize the function of edulcoration and dehydration simultaneously, sustainable carry the silt that the moisture content is lower, no particle impurity to storing up the mud pond, make the efficiency of secondary dehydration higher, faster, solved because of the silt process of stewing consumes time for a long time, the sedimentation tank undersize, because of the too high problem of mud cake moisture content after the moisture content medicament use amount of mud itself is big and the solidification.

In the preferred embodiment, the vibrating motor 10 is connected and arranged on the top surface of the impurity removing box body 11, and the vibrating motor 10 is used for exciting vibration as a vibration source, so that sludge containing impurities is thrown up on the screen, the sludge flows out from the lower part more quickly, and the phenomenon that the screen is blocked by the sludge accumulated quickly is avoided.

This embodiment is preferred, 11 bottom apex angles of edulcoration box set up the stabilizer blade respectively, still include with the stabilizer blade corresponds the heel brace 3 that sets up, 3 tops of heel brace are provided with the spliced pole along the axial, and the stabilizer blade passes through damping spring 2 with the spliced pole to be connected, and damping spring and box connection are passed through in the setting of this kind of structure, play the cushioning effect, prevent that the case that shakes is unstable in the process.

This embodiment is preferred, and the play feed cylinder 5 that the lower extreme of mud collection hopper 4 set up is the obtuse angle setting with mud collection hopper 4, and the design of structure is more gentle for making the defeated mud pipe 12 angle of being connected between play feed cylinder 5 and sludge pump 13 like this, is difficult for causing the pipe blockage.

Preferably, the front panel or the top plate of the impurity removal box body 11 is connected with the impurity removal box body 11 through a hinge in an opening and closing manner, and a door handle 8 is further arranged on the corresponding front panel or the corresponding top plate; the design of this kind of structure is convenient for at first observe the inside silt screening edulcoration condition of box, still can realize taking out the washing with the screen cloth from the box simultaneously.

In the preferred embodiment, a plurality of groups of supporting pieces 14 can be arranged in the impurity removing box body 11 in an up-down layering manner, and one mesh screen 6 and/or a plurality of mesh screens 6 are correspondingly arranged according to requirements; if the plurality of screens 6 are provided, the mesh values of the screens 6 become larger in order from the top to the bottom, and the plurality of screens 6 are provided in order to remove the impurities in the sludge more effectively.

This embodiment is preferred, and support piece 14 can be for locating the right angle steel 14 'that is "L" type on the 11 inner wall four corners of edulcoration box respectively, or the right angle steel 14' of 11 inner walls of edulcoration box is located to the symmetry, and the mesh screen 6 is established in edulcoration box 11 or is erect in edulcoration box 11 through the right angle steel card, the removal and the washing of mesh screen 6 of can being convenient for.

In the preferred embodiment, each support member 4 is provided with a spring 41 which is vertically upward, and the mesh screen 6 is erected on the spring 41, and the arrangement of the structure is that when the impurity removing device is in operation, due to the operation of the vibration motor 10, the mesh screen 6 erected on the spring 41 will follow the spring to move up and down and back and forth due to the movement inertia, so that the sludge on the mesh screen 6 accelerates to flow downward.

The utility model discloses beneficial effect:

(1) before the sludge is discharged to the sludge storage tank, the utility model removes impurities and dehydrates the sludge, and simultaneously realizes the functions of removing the impurities and dehydrating the sludge;

(2) the utility model has the advantages of small structure, convenient transportation, low power and low energy consumption;

(3) the utility model can be selectively provided with a plurality of layers of vibrating mesh screens, so that the impurity removal effect is enhanced;

(4) the vibration impurity removal device is closed, so that secondary pollution is avoided; in the existing manual impurity removal method, sewage flows to the ground along with the filter screen at the side of the sludge storage tank and then seeps into soil; the impurities are scattered and fall and need to be collected and cleaned for the second time;

(5) before the sludge is precipitated and solidified, the sludge precipitation time in the sludge storage tank is saved, the solidification efficiency of the sludge in large-scale mechanical equipment such as a filter press is improved, the required field of the sludge storage tank is saved, and the use amount of a medicament is reduced.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An auxiliary system for improving the dehydration and solidification efficiency of sludge is characterized by comprising an impurity removal device and a stacked spiral dehydration device connected through a sludge pump;

2. The auxiliary system for improving the dewatering and solidifying efficiency of the sludge according to claim 1, wherein a vibration motor is connected and arranged on the top surface of the impurity removing box body.

3. The auxiliary system for improving the sludge dewatering and solidifying efficiency as claimed in claim 1 or 2, wherein the top corners of the bottom end of the impurity removing box body are respectively provided with a support leg, the auxiliary system further comprises a support leg arranged corresponding to the support leg, the top end of the support leg is provided with a connecting column along the axial direction, and the support leg is connected with the connecting column through a damping spring.

4. The auxiliary system for improving the dewatering and solidification efficiency of sludge according to claim 3, wherein the discharging barrel arranged at the lower end of the sludge collecting hopper is arranged at an obtuse angle with the sludge collecting hopper.

5. An auxiliary system for improving the efficiency of dewatering and solidifying sludge according to claim 3, comprising a plurality of sets of said supports symmetrically disposed and a plurality of said screens correspondingly disposed.

6. An auxiliary system for increasing the dewatering and solidification efficiency of sludge according to claim 5, wherein the mesh values of the plurality of wires become larger in sequence from top to bottom.

7. An auxiliary system for improving the dewatering and solidification efficiency of sludge according to claim 5, wherein the supporting members are right-angle steels respectively arranged at four corners of the inner wall of the impurity removing box body and in an L shape, or are right-angle steels symmetrically arranged on the inner wall of the impurity removing box body.

8. An auxiliary system for increasing the dewatering and solidification efficiency of sludge according to claim 5 or 7, wherein a vertically upward spring is provided on each support member, and the screen is erected on the spring.

9. The auxiliary system for improving the dewatering and solidification efficiency of the sludge according to claim 1, wherein the front panel or the top plate of the impurity removing box body is in open-close connection with the impurity removing box body through a hinge.