CN214781427U

CN214781427U - Fold spiral shell formula sludge dewaterer backpressure device

Info

Publication number: CN214781427U
Application number: CN202120860925.9U
Authority: CN
Inventors: 孙振; 石绪迎
Original assignee: Jinan Chengran Environmental Protection Technology Co ltd
Current assignee: Jinan Chengran Environmental Protection Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-19
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a fold spiral shell formula sludge dewaterer backpressure device relates to sludge treatment technical field, including folding the spiral shell body, mud discharging port, pivot and backpressure device, backpressure device includes the backpressure cover and sets up at inside backpressure board, spring and the adjusting device of backpressure cover, and backpressure board, spring and adjusting device are all established in the pivot, and the outside of backpressure board is equipped with the pressure plate, is equipped with pressure sensor between backpressure board and the pressure plate. The utility model discloses a pressure sensor controls opening and close of pressing from both sides tight motor and adjusts the back pressure board and fold the interval between the spiral shell body to adjust the discharge velocity of mud cake, rational in infrastructure, automatically regulated does not need the manual work to open the back pressure cover and adjusts, high durability and convenient use, prolonged the life who folds spiral shell machine when having protected the back pressure board, in this accommodation process, the spring only plays the effect of supplementary regulation, and is not fragile, and the maintenance number of times is reduced, thereby the cost of enterprise has been reduced, and the production efficiency is improved.

Description

Fold spiral shell formula sludge dewaterer backpressure device

Technical Field

The utility model relates to a sludge treatment technical field specifically is a fold spiral shell formula sludge dewatering machine backpressure device.

Background

The sludge is a necessary product after sewage treatment in sewage treatment plants and sewage stations, and after the sludge which is not treated well enters the environment, secondary pollution is directly brought to water and atmosphere, and serious threat is formed to ecological environment and human activities. Therefore, the sludge is very careful in treatment, and the sludge can be dewatered by the sludge dewatering machine.

At present, the widely used spiral shell formula sludge dewaterer that folds is provided with the back pressure plate in its mud discharge port department, and its back pressure plate all adopts screw thread or holding screw to fix on folding the spiral shell axle, and the back pressure plate is fixed with the clearance of folding between the spiral shell body, when folding the internal mud volume of advancing of spiral shell and taking place undulant, causes a large amount of mud to pile up in folding the spiral shell body, produces transshipping, to folding the spiral shell body, the destruction of producing different degree such as back pressure plate, has great potential safety hazard, influences the life who folds spiral shell formula sludge dewaterer.

The application number is 201821635816.1's chinese utility model patent, discloses a fold spiral shell formula sludge dewatering machine backpressure device, including folding the spiral shell body, seting up row's mud mouth, rotation connection in folding the spiral shell body fold spiral shell axle and cover and establish and fold the spiral shell axle and be close to row's mud mouth one and serve the backpressure board, it is close to fold the spiral shell body one of row's mud mouth is served and is provided with row's mud cover, it orders about to be provided with on the mud cover fold spiral shell axle pivoted drive structure, it orders about to fold the epaxial being provided with of spiral shell the backpressure board is close to row's mud mouth to tight device, it just is located the backpressure board and supports tight spring between the tight piece to support tight device including setting up folding the epaxial tight piece of supporting of spiral shell and cover of folding spiral shell.

The back pressure device has large pressure on the spring, the service life of the spring is short, and the spring is not easy to replace; when the amount of sludge needs to be adjusted to be larger or smaller, the tightening sleeve also needs to be screwed, and the use is particularly inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the not enough and defect that exists among the prior art, the utility model provides a fold spiral shell formula sludge dewatering machine backpressure device comes opening and close through pressure sensor control motor according to the speed of the mud cake ejection of compact, then motor drive adjusts and presss from both sides tight head to reach the distance of adjusting the backpressure board apart from folding the spiral shell body, the spring only plays the fine setting effect, is used for solving the tight sleeve of clamp and adjusts inconvenient, and the short problem of spring life.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a fold spiral shell formula sludge dewaterer backpressure device, includes fold the spiral shell body, set up row's mud mouth on folding the spiral shell body, rotate the backpressure device that connects pivot and pivot on folding the spiral shell body and be close to row mud mouth one end, backpressure device includes the backpressure cover and sets up inside backpressure board, spring and the adjusting device of backpressure cover, the pivot runs through the backpressure cover and is connected with the outside rotation actuating mechanism of backpressure cover, backpressure board, spring and adjusting device all overlap and establish in the pivot, and the outside of backpressure board is equipped with the pressure plate, is equipped with pressure sensor between backpressure board and the pressure plate, adjusting device includes the sleeve of fixing in the pivot outside, telescopic outside is equipped with baffle and clamp head, baffle and sleeve slip setting, clamp head and sleeve threaded connection, be equipped with the ring gear in the periphery of clamp head, the ring gear outside and action wheel gear drive, the driving wheel is connected to the clamping motor, and a controller is arranged outside the backpressure cover.

As a further improvement, the through-hole of being no less than two is seted up on the backpressure board, is equipped with the guide bar in the through-hole, the one end of guide bar is fixed fold the outside of the spiral shell body, the outside of guide bar is run through the pressure plate plays the direction supporting role to the pressure plate.

As a further improvement, the telescopic outside is equipped with the external screw thread, be equipped with in the telescopic periphery be no less than 3 with the parallel spout in pivot axle center, the inner circle of baffle is equipped with the draw runner, the quantity of draw runner and spout is the same, and the degree of depth value of draw runner is greater than the degree of depth value of spout.

As a further improvement of the present invention, the pressure sensor said clamping motor and said rotation driving mechanism are all connected to said controller electrically.

As a further improvement of the present invention, the clamping motor is fixed outside the back pressure cover, the output shaft of the clamping motor runs through the back pressure cover and the main shaft fixed connection of the driving wheel.

As a further improvement of the utility model, the lower end of the back pressure cover is provided with an opening.

Compared with the prior art, the utility model discloses the beneficial effect who has does: the utility model discloses a pressure sensor controls opening and close of pressing from both sides tight motor and adjusts the back pressure board and fold the interval between the spiral shell body, thereby adjust the discharge velocity of mud cake, rational in infrastructure, automatically regulated, do not need the manual work to open the back pressure cover and adjust, high durability and convenient use, the life who folds spiral shell machine has been prolonged when having protected the back pressure board, in this accommodation process, the spring only plays the effect of supplementary regulation, it is not fragile, consequently, the life of backpressure device has been prolonged, the maintenance number of times has been reduced, thereby the cost of enterprise has been reduced, and the production efficiency is improved.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a sectional view of the connection between the sleeve and the baffle.

In the figure: 1. the hydraulic pressure back pressure device comprises a screw folding body, 2 parts of a sludge discharge port, 3 parts of a rotating shaft, 4 parts of a back pressure plate, 5 parts of a pressure plate, 6 parts of a guide rod, 7 parts of a pressure sensor, 8 parts of a spring, 9 parts of a baffle, 901 parts of a slide bar, 10 parts of a sleeve, 1001 parts of a chute, 11 parts of a driving wheel, 12 parts of a clamping motor, 13 parts of a clamping head, 14 parts of a rotation driving mechanism, 15 parts of a controller and 16 parts of a back pressure cover.

It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Detailed Description

In order to make the technical solution and the advantages of the present invention more clear and more obvious, the present invention is further described in detail with reference to the accompanying drawings and the specific embodiments, it should be understood that the specific embodiments described herein are only used for understanding the present invention, and are not used for limiting the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and fig. 2, the back pressure device of the stacked screw type sludge dewatering machine comprises a stacked screw body 1, a sludge discharge port 2 formed on the stacked screw body 1, a rotating shaft 3 rotatably connected to the stacked screw body 1, and a back pressure device arranged at one end of the rotating shaft 3 close to the sludge discharge port 2.

The backpressure device comprises a backpressure cover 16, a backpressure plate 4 arranged inside the backpressure cover 16, a spring 8 and an adjusting device, the rotating shaft 3 penetrates through the backpressure cover 16 and is connected with a rotating driving mechanism 14 outside the backpressure cover 16, an opening is formed in the lower end of the backpressure cover 16, and mud cakes fall to the sludge collecting device through the opening. Back pressure plate 4, spring 8 and adjusting device all overlap and establish in pivot 3, offer on the back pressure plate 4 and be no less than two through-holes, be equipped with guide bar 6 in the through-hole, the one end of guide bar 6 is fixed in the outside of folding spiral shell body 1, and pressure plate 5 is run through to the outside of guide bar 6, plays the direction supporting role to pressure plate 5, and the outside of back pressure plate 4 is equipped with pressure plate 5, is equipped with pressure sensor 7 between back pressure plate 4 and the pressure plate 5.

The adjusting device comprises a sleeve 10 fixed outside the rotating shaft 3, a baffle plate 9 and a clamping head 13 are arranged outside the sleeve 10, the baffle plate 9 and the sleeve 10 are arranged in a sliding mode, external threads are arranged outside the sleeve 10, at least 3 sliding grooves 1001 parallel to the axis of the rotating shaft 3 are formed in the periphery of the sleeve 10, sliding strips 901 are arranged on the inner ring of the baffle plate 9, the quantity of the sliding strips 901 is the same as that of the sliding grooves 1001, the depth value of the sliding strips 901 is larger than that of the sliding grooves 1001, the sliding strips 901 slide in the sliding grooves 1001, the clamping head 13 is in threaded connection with the sleeve 10, gear rings are arranged on the periphery of the clamping head 13, the outer portion of the gear rings is in gear transmission with a driving wheel 11, the driving wheel 11 is connected to a clamping motor 12, the clamping motor 12 is fixed outside a back pressure cover 16, an output shaft of the clamping motor 12 penetrates through the back pressure cover 16 and is fixedly connected with a main shaft of the driving wheel 11, a controller 15 is arranged outside the back pressure cover 16, a pressure sensor 7 is arranged on the outside the back pressure cover 16, The clamp motor 12 and the rotary drive mechanism 14 are electrically connected to a controller 15.

In the use process of the utility model, firstly, the rotating shaft driving mechanism 14 is opened, the rotating shaft 3 rotates, sludge advances towards the sludge discharge port 2 at the inlet of the laminated screw 1, sludge cakes come out from the sludge discharge port 2 under the action of the back pressure plate 4 and flow out towards the opening under the self gravity, when the amount of sludge entering the laminated screw body 1 is large, the rotating speed of the rotating shaft 3 is accelerated, the sludge discharge can be increased, at the moment, the pressure sensor 7 can measure the pressure, when the pressure value reaches a set value, the pressure sensor 7 transmits an electric signal to the controller 15, the controller 15 controls the clamping motor 12 to be opened and reversed, the driving wheel 11 rotates under the driving of the clamping motor 12, the clamping head 13 rotates along with the rotation of the driving wheel 11, the baffle 9 moves towards the direction far away from the laminated screw body 1, at the moment, the back pressure plate 4 and the pressure plate 5 move towards the outside, the sludge cake discharge speed is accelerated, and the back pressure plate 4 and the laminated screw body 1 are effectively protected, the service life of the screw stacking machine is prolonged; in this backpressure device, the spring only plays the effect of supplementary regulation, consequently is not fragile, backpressure device's long service life, and by die clamping cylinder automatically regulated, it is more convenient to adjust more automatic.

Claims

1. The utility model provides a fold spiral shell formula sludge dewaterer backpressure device, includes to fold the spiral shell body, set up row's mud mouth on folding the spiral shell body, rotate the rotation and connect pivot and the pivot of folding on the spiral shell body and be close to row mud mouth one end on the backpressure device, its characterized in that: the backpressure device is in including backpressure cover and setting inside backpressure board, spring and the adjusting device of backpressure cover, the pivot runs through backpressure cover and is connected with the outside rotation actuating mechanism of backpressure cover, backpressure board, spring and adjusting device all overlap and establish in the pivot, and the outside of backpressure board is equipped with the pressure plate, is equipped with pressure sensor between backpressure board and the pressure plate, adjusting device is including fixing the outside sleeve in pivot, telescopic outside is equipped with baffle and presss from both sides tight head, baffle and sleeve slip set up, press from both sides tight head and sleeve threaded connection, be equipped with the ring gear in the periphery of pressing from both sides tight head, the ring gear outside and action wheel gear drive, the action wheel is connected to on pressing from both sides tight motor, backpressure cover outside is equipped with the controller.

2. The back pressure device of the overlapped screw type sludge dewatering machine according to claim 1, characterized in that: the back pressure plate is provided with at least two through holes, guide rods are arranged in the through holes, one ends of the guide rods are fixed on the outer side of the stacked screw body, and the pressure plate penetrates through the outer portions of the guide rods to play a role in guiding and supporting the pressure plate.

3. The back pressure device of the overlapped screw type sludge dewatering machine according to claim 1, characterized in that: the telescopic outside is equipped with the external screw thread, be equipped with in the telescopic periphery be no less than 3 with the parallel spout in pivot axle center, the inner circle of baffle is equipped with the draw runner, the quantity of draw runner and spout is the same, and the degree of depth value of draw runner is greater than the degree of depth value of spout.

4. The back pressure device of the overlapped screw type sludge dewatering machine according to claim 1, characterized in that: the pressure sensor, the clamping motor and the rotation driving mechanism are all electrically connected with the controller.

5. The back pressure device of the overlapped screw type sludge dewatering machine according to claim 1, characterized in that: the clamping motor is fixed on the outer side of the back pressure cover, and an output shaft of the clamping motor penetrates through the back pressure cover and is fixedly connected with a main shaft of the driving wheel.

6. The back pressure device of the overlapped screw type sludge dewatering machine according to claim 1, characterized in that: the lower end of the back pressure cover is provided with an opening.