CN214327503U

CN214327503U - Sludge treatment device for sludge brick making production line

Info

Publication number: CN214327503U
Application number: CN202120582055.3U
Authority: CN
Inventors: 邵坤
Original assignee: Shanghai Jiagen Subgrade Material Co ltd
Current assignee: Shanghai Jiagen Subgrade Material Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-01
Anticipated expiration: 2031-03-22

Abstract

The application relates to a sludge treatment device for sludge brick production line, and it includes stirred tank, is equipped with intake pipe and discharging pipe on the stirred tank, is equipped with the second valve on the discharging pipe, is equipped with first feeder hopper on the stirred tank, is equipped with first filter screen in the first feeder hopper. The application has the effect of improving the defect that the sludge digestion treatment is followed by residues and influences the quality of sludge bricks.

Description

Sludge treatment device for sludge brick making production line

Technical Field

The application relates to the field of sludge brick making, in particular to a sludge treatment device for a sludge brick making production line.

Background

Along with the acceleration of the urbanization process and the improvement of environmental protection consciousness, the sewage treatment rate is greatly improved, but a large amount of sludge generated along with sewage treatment easily causes secondary pollution to the environment. In order to solve the problem of sludge treatment, the sludge brick making technology is increasingly widely applied and gradually matures.

The sludge brick making process takes sludge obtained after sewage treatment as a raw material, and primarily dehydrates the sludge through concentration to reduce the volume of the sludge; then, the sludge is digested by microorganisms or high temperature, so that organic matters in the sludge are decomposed, pathogenic microorganisms and parasitic ova in the sludge are killed, and the effects of deodorization and harm removal are achieved; then, further dehydrating and drying the sludge to ensure that the water content of the sludge meets the requirement of brickmaking; and finally, mixing the treated sludge and auxiliary materials according to a ratio, uniformly stirring, and putting into a mold to form the brick.

In view of the above-mentioned related technologies, the inventors believe that after the sludge is digested, stable substances generated by decomposition of organic matters and residues of killed parasitic ova still exist in the sludge, and these residues are liable to affect the quality of bricks made of the sludge. Therefore, further treatment of the sludge before it is mixed with the auxiliary materials is required to improve the quality of the sludge bricks.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that there is the residue after the sludge digestion handles, cause the influence to the sludge brick quality, this application provides a sludge treatment device for sludge brick production line.

The application provides a sludge treatment device for mud brickmaking production line adopts following technical scheme:

the utility model provides a sludge treatment device for mud brickmaking production line, includes stirred tank, last intake pipe and the discharging pipe of being equipped with of stirred tank, be equipped with the second valve on the discharging pipe, the last first feeder hopper that is equipped with of stirred tank, be equipped with first filter screen in the first feeder hopper.

By adopting the technical scheme, sludge subjected to digestion treatment is poured into the first feed hopper, the sludge enters the stirring kettle after passing through the first filter screen, steam is introduced into the stirring kettle through the air inlet pipe to heat the sludge, so that preliminary dehydration is realized, and after the preliminary dehydration is finished, the second valve is opened to discharge the sludge from the discharge pipe; the arrangement of the first filter screen enables the sludge to be filtered after digestion treatment and before dehydration and drying, and the defect that the sludge has residues after digestion treatment and affects the quality of sludge bricks is overcome.

Optionally, a second feeding hopper is arranged between the first feeding hopper and the stirring kettle, and the inclination angle of the side wall of the second feeding hopper is larger than that of the side wall of the first feeding hopper.

Through adopting above-mentioned technical scheme, the inclination of second feeder hopper lateral wall is greater than the inclination of first feeder hopper lateral wall for mud gets into the speed that flows behind the second feeder hopper and improves, is convenient for during mud gets into stirred tank.

Optionally, a second filter screen is arranged below the first filter screen, and the meshes of the first filter screen are larger than those of the second filter screen.

Through adopting above-mentioned technical scheme, the setting of second filter screen is convenient for with the filterable residue filtering of first filter screen, has improved the filter effect for the residue in the mud further reduces, thereby has the residue after further improving the sludge digestion, causes the defect of influence to the sludge brick quality.

Optionally, a guide plate is arranged on the first feed hopper, and the guide plate is arranged in an inclined mode.

Through adopting above-mentioned technical scheme, the setting of guide plate is convenient for pour mud into first feeder hopper, has reduced the possibility of mud splash first feeder hopper simultaneously.

Optionally, the deflector is hinged to the first feed hopper.

Through adopting above-mentioned technical scheme, the articulated guide plate of guide plate and first feeder hopper is convenient for open the guide plate to wash first filter screen and first feeder hopper.

Optionally, be equipped with spacing on the inner wall of first feeder hopper, the guide plate is contradicted with spacing.

Through adopting above-mentioned technical scheme, the setting of spacing is convenient for carry on spacingly to the guide plate for the inclination of guide plate is steerable.

Optionally, a stirring shaft is arranged in the stirring kettle, an upper stirring blade is arranged on the stirring shaft, and a driving device for driving the stirring shaft to rotate is arranged on the stirring kettle.

Through adopting above-mentioned technical scheme, the setting up of (mixing) shaft and last stirring vane is convenient for stir mud when heating mud for mud obtains more even heating, thereby improves the efficiency of preliminary dehydration.

Optionally, drive arrangement is the motor, be equipped with the fixed plate on the stirred tank, sliding connection has the lifter plate on the fixed plate, the motor is located the lifter plate, the output shaft of motor runs through the lifter plate, be equipped with the nut piece on the fixed plate, threaded connection has reciprocal lead screw on the nut piece, the one end of reciprocal lead screw and the output shaft of motor, the other end of reciprocal lead screw runs through stirred tank and is connected with the agitator shaft.

Through adopting above-mentioned technical scheme, during the starter motor, the output shaft of motor drives reciprocal lead screw and rotates, and the (mixing) shaft rotates thereupon, and the nut piece receives the spacing of fixed plate for reciprocal lead screw removes in vertical direction, thereby drives the (mixing) shaft and removes in vertical direction, has enlarged stirring vane's stirring range, thereby has further improved sludge dewatering's efficiency.

Optionally, a sleeve is connected in the stirring kettle, the sleeve is sleeved on the reciprocating screw rod, and the sleeve is connected with the reciprocating screw rod in a sliding manner.

Through adopting above-mentioned technical scheme, the sheathed tube setting has reduced the mud and has splashed the possibility to reciprocating on the lead screw, has played the guard action to the screw thread on the reciprocating lead screw.

In summary, the present application includes at least one of the following beneficial technical effects:

1. pouring the digested sludge into a first feed hopper, allowing the sludge to enter a stirring kettle after passing through a first filter screen, introducing steam into the stirring kettle through an air inlet pipe, heating the sludge, so as to realize preliminary dehydration, and opening a second valve after the preliminary dehydration is finished to discharge the sludge from a discharge pipe; the arrangement of the first filter screen enables partial residues of the sludge to be filtered after digestion treatment and before dehydration and drying, so that the defect that the residues exist after the sludge digestion treatment and influence the quality of sludge bricks is overcome;

2. the stirring shaft and the upper stirring blade are arranged to facilitate the sludge to be stirred while the sludge is heated, so that the sludge is heated more uniformly, and the primary dehydration efficiency is improved;

3. when the motor is started, the output shaft of the motor drives the reciprocating screw rod to rotate, the stirring shaft rotates along with the reciprocating screw rod, the nut block is limited by the fixing plate, the reciprocating screw rod moves in the vertical direction, the stirring shaft is driven to move in the vertical direction, the stirring range of the upper stirring blade is enlarged, and therefore the sludge dewatering efficiency is further improved.

Drawings

FIG. 1 is a schematic structural diagram of a sludge treatment device for a sludge brick making production line according to an embodiment of the application.

FIG. 2 is a top view of a sludge treatment device for a sludge brick making production line according to an embodiment of the present application.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is a schematic structural diagram of a motor, a lifting device and a stirring assembly in the embodiment of the application.

Fig. 5 is a schematic structural diagram of a feeding pipe, a second feeding hopper and a first feeding hopper in the embodiment of the application.

Fig. 6 is a schematic structural diagram of the feed pipe, the second feed hopper and the first feed hopper when the deflector is opened in the embodiment of the present application.

Description of reference numerals: 1. stirring the mixture in a kettle; 2. an air inlet pipe; 3. a discharge pipe; 4. a first valve; 5. a second valve; 6. a stirring assembly; 61. a stirring shaft; 62. an upper stirring blade; 63. a lower stirring blade; 7. a lifting device; 71. a fixing plate; 711. a sliding groove; 72. a nut block; 73. a reciprocating screw rod; 74. a lifting plate; 741. a slider; 75. a sleeve; 8. a baffle ring; 9. a motor; 10. a feed pipe; 11. a second feed hopper; 12. a first feed hopper; 13. a first filter screen; 14. a second filter screen; 15. a baffle; 16. and (5) a limiting strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a sludge treatment device for a sludge brick making production line. Referring to fig. 1 and 2, the sludge treatment device for the sludge brick making production line comprises a stirring kettle 1, wherein the side wall of the stirring kettle 1 is fixedly connected with an air inlet pipe 2 and a discharge pipe 3, the air inlet pipe 2 is positioned at the top of the side wall of the stirring kettle 1, the inside of the air inlet pipe 2 is communicated with the inside of the stirring kettle 1, and the air inlet pipe 2 is fixedly connected with a first valve 4. Discharging pipe 3 is located the bottom of stirred tank 1 lateral wall, and discharging pipe 3's inside and stirred tank 1's inside intercommunication are gone up fixedly connected with second valve 5 to discharging pipe 3.

Referring to fig. 3 and 4, a stirring assembly 6 is disposed in the stirring tank 1, and the stirring assembly 6 includes a stirring shaft 61, an upper stirring blade 62 and a lower stirring blade 63. The axis of the stirring shaft 61 coincides with the axis of the stirring kettle 1, the upper stirring blade 62 and the lower stirring blade 63 are fixedly connected to the side wall of the stirring shaft 61, the upper stirring blade 62 is positioned above the lower stirring blade 63, and an interval is arranged between the upper stirring blade 62 and the lower stirring blade 63. In this embodiment, there are four upper stirring vanes 62 and four lower stirring vanes 63, the four upper stirring vanes 62 are arranged in an annular array around the axis of the stirring shaft 61, and the four lower stirring vanes 63 are arranged in an annular array around the axis of the stirring shaft 61.

Referring to fig. 3 and 4, a lifting device 7 is disposed above the stirring assembly 6, and the lifting device 7 includes a fixing plate 71, a nut block 72, a reciprocating screw 73, and a lifting plate 74. Fixed plate 71 fixed connection is in the top of stirred tank 1, and fixed plate 71 is vertical to be set up, and one side of nut piece 72 and the lateral wall fixed connection of fixed plate 71. The reciprocating screw rod 73 is in threaded connection with the nut block 72, the reciprocating screw rod 73 penetrates through the top of the stirring kettle 1, one end of the reciprocating screw rod 73 is fixedly connected with the top of the stirring shaft 61, and the axis of the reciprocating screw rod 73 is overlapped with the axis of the stirring shaft 61. One end cover that reciprocal lead screw 73 deviates from (mixing) shaft 61 is equipped with and keeps off ring 8, keeps off the inner wall of ring 8 and reciprocal lead screw 73's lateral wall fixed connection, keeps off the top of ring 8 and flushes with reciprocal lead screw 73's top.

Referring to fig. 3 and 4, the lifting plate 74 is located above the baffle ring 8, a sliding groove 711 is formed in one side of the fixing plate 71 close to the reciprocating screw rod 73, the edge of the top of the sliding groove 711 is flush with the top of the fixing plate 71, a sliding block 741 is fixedly connected to one side of the lifting plate 74 close to the fixing plate 71, and the sliding block 741 is slidably connected in the sliding groove 711. The cross section of the sliding block 741 and the cross section of the sliding groove 711 are both dovetail-shaped. The lifting plate 74 is fixedly connected with a motor 9, an output shaft of the motor 9 penetrates through the lifting plate 74, an output shaft of the motor 9 is fixedly connected with the top of the reciprocating screw rod 73, and the axis of the output shaft of the motor 9 is overlapped with the axis of the reciprocating screw rod 73. Be equipped with sleeve pipe 75 in stirred tank 1, the top fixed connection in stirred tank 1's top of sleeve pipe 75, on reciprocal lead screw 73 was located to sleeve pipe 75 cover, reciprocal lead screw 73 and sleeve pipe 75 sliding connection.

Referring to fig. 3 and 5, a feeding pipe 10 is fixedly connected to the top of the stirred tank 1, the interior of the feeding pipe 10 is communicated with the interior of the stirred tank 1, and the cross section of the feeding pipe 10 is square. The top of inlet pipe 10 is equipped with second feeder hopper 11, and second feeder hopper 11 and inlet pipe 10 integrated into one piece, the inside of second feeder hopper 11 and the inside intercommunication of inlet pipe 10, and the cross-sectional size of second feeder hopper 11 bottom equals with the size of inlet pipe 10 cross-section. The cross-section of the top of the second hopper 11 is larger than the cross-section of the bottom of the second hopper 11. The top of second feeder hopper 11 is equipped with first feeder hopper 12,

first feeder hopper

12 and 11 integrated into one piece of second feeder hopper, the inside of first feeder hopper 12 and the inside intercommunication of second feeder hopper 11, and the cross-section size of the bottom of first feeder hopper 12 equals with the cross-section size at 11 tops of second feeder hopper. The cross section of the top of the first feeding hopper 12 is larger than the cross section of the bottom of the first feeding hopper 12. The inclination angle of the side wall of the first hopper 12 is smaller than that of the side wall of the second hopper 11.

Referring to fig. 5 and 6, a first filter 13 and a second filter 14 are disposed in the first feeding hopper 12, the first filter 13 is disposed above the second filter 14, a space is formed between the first filter 13 and the second filter 14, and the mesh area of the first filter 13 is larger than that of the second filter 14. The lateral wall slope setting of first filter screen 13, first filter screen 13 places in first feeder hopper 12, and the lateral wall of first filter screen 13 conflicts with the inner wall of first feeder hopper 12. The lateral wall of second filter 14 sets up in the slope, and second filter 14 places in first feeder hopper 12, and the lateral wall of second filter 14 conflicts with the inner wall of first feeder hopper 12.

Referring to fig. 5 and 6, the top of the first feeding hopper 12 is hinged with four baffles 15, and each baffle 15 corresponds to one side wall of the first feeding hopper 12. Four spacing strips 16 of fixedly connected with in the

first feeder hopper

12, 16 levels of spacing strip set up, and spacing strip 16 is located four lateral walls of first feeder hopper 12, and spacing strip 16 is located first filter screen 13 top. When the guide plate 15 is closed in the first feeding hopper 12, the guide plate 15 inclines towards the axial direction close to the first feeding hopper 12, and the side wall of the guide plate 15 is abutted against the top of the limiting strip 16.

The implementation principle of the sludge treatment device for the sludge brick making production line in the embodiment of the application is as follows: before sludge is treated, the guide plate 15 is rotated, so that the guide plate 15 is abutted to the limiting strip 16. The sludge after digestion treatment is poured into the first feed hopper 12 through the guide plate 15, and the sludge is subjected to two-layer filtration treatment through the first filter screen 13 and the second filter screen 14, so that the residues in the sludge are gradually reduced, and the filtered sludge enters the second feed hopper 11 from the first feed hopper 12 and falls into the stirring kettle 1 through the feeding pipe 10.

The motor 9 is started when the sludge falls into the stirring kettle 1, and steam is introduced into the stirring kettle 1 through the air inlet pipe 2. The steam plays the effect of preliminary heating dehydration to the mud in the stirred tank 1, and first valve 4 can be used to the atmospheric pressure in the adjustment stirred tank 1. The output shaft of the motor 9 drives the reciprocating screw rod 73 to rotate, and the stirring shaft 61 rotates along with the reciprocating screw rod 73, so that the upper stirring blade 62 and the lower stirring blade 63 stir the sludge, and the sludge is uniformly heated. Because the reciprocating screw rod 73 is in threaded connection with the nut block 72, and the nut block 72 is fixed on the fixing plate 71, the reciprocating screw rod 73 moves in the vertical direction while rotating, and drives the stirring assembly 6 to move in the vertical direction, so that the stirring range of the stirring assembly 6 is expanded.

After the preliminary dehydration of completion mud, close motor 9, stop letting in of steam, open second valve 5, discharge mud from stirred tank 1 through discharging pipe 3. The setting of first filter screen 13 and second filter screen 14 has filtered the residue in the mud after the digestion treatment, and stirring subassembly 6 and intake pipe 2's setting has carried out preliminary dehydration to mud, has improved and has had the residue after the sludge digestion treatment, causes the defect of influence to the sludge brick quality.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sludge treatment device for a sludge brick making production line is characterized in that: including stirred tank (1), be equipped with intake pipe (2) and discharging pipe (3) on stirred tank (1), be equipped with second valve (5) on discharging pipe (3), be equipped with first feeder hopper (12) on stirred tank (1), be equipped with first filter screen (13) in first feeder hopper (12).

2. The sludge treatment device for the sludge brick making production line according to claim 1, which is characterized in that: be equipped with second feeder hopper (11) between first feeder hopper (12) and stirred tank (1), the inclination of second feeder hopper (11) lateral wall is greater than the inclination of first feeder hopper (12) lateral wall.

3. The sludge treatment device for the sludge brick making production line according to claim 1, which is characterized in that: a second filter screen (14) is arranged below the first filter screen (13), and the meshes of the first filter screen (13) are larger than those of the second filter screen (14).

4. The sludge treatment device for the sludge brick making production line according to claim 1, which is characterized in that: be equipped with guide plate (15) on first feeder hopper (12), guide plate (15) slope sets up.

5. The sludge treatment device for the sludge brick making production line according to claim 4, wherein the sludge treatment device comprises: the guide plate (15) is hinged with the first feed hopper (12).

6. The sludge treatment device for the sludge brick making production line according to claim 5, which is characterized in that: be equipped with spacing (16) on the inner wall of first feeder hopper (12), guide plate (15) are contradicted with spacing (16).

7. The sludge treatment device for the sludge brick making production line according to claim 1, which is characterized in that: the stirring device is characterized in that a stirring shaft (61) is arranged in the stirring kettle (1), an upper stirring blade (62) is arranged on the stirring shaft (61), and a driving device for driving the stirring shaft (61) to rotate is arranged on the stirring kettle (1).

8. The sludge treatment device for the sludge brick making production line according to claim 7, which is characterized in that: drive arrangement is motor (9), be equipped with fixed plate (71) on stirred tank (1), sliding connection has lifter plate (74) on fixed plate (71), motor (9) are located lifter plate (74), the output shaft of motor (9) runs through lifter plate (74), be equipped with nut piece (72) on fixed plate (71), threaded connection has reciprocal lead screw (73) on nut piece (72), the one end of reciprocal lead screw (73) and the output shaft of motor (9), the other end of reciprocal lead screw (73) runs through stirred tank (1) and is connected with (mixing) shaft (61).

9. The sludge treatment device for the sludge brick making production line according to claim 8, which is characterized in that: the stirring kettle (1) is internally connected with a sleeve (75), the sleeve (75) is sleeved on the reciprocating screw rod (73), and the sleeve (75) is connected with the reciprocating screw rod (73) in a sliding mode.