Sludge dewatering device for water supply and drainage

Abstract

The utility model discloses a sludge dewatering device for water supply and drainage, which relates to the technical field of sludge dewatering and comprises a group of symmetrically arranged fixing frames, a heating cavity is fixedly arranged on the fixing frames, a waterproof cover is fixedly arranged in the heating cavity, a dewatering barrel is fixedly arranged in the waterproof cover, and a plurality of drainage holes are uniformly formed in the outer surface of the dewatering barrel. A stirring shaft is rotatably arranged in the dewatering barrel, multiple sets of stirring columns arranged at equal intervals are fixedly installed on the surface of the stirring shaft, one end of the stirring shaft penetrates through one side of the dewatering barrel and extends outwards, a second motor is fixedly installed at one end of the outer side of the stirring shaft, and a power assembly is fixedly arranged on the side, away from the second motor, of the dewatering barrel. According to the sludge dewatering device, the dewatering barrel, the waterproof cover, the heating cavity and other structures are arranged, water in sludge is rapidly discharged through centrifugal force and stirring, the sludge dewatering efficiency and quality are remarkably improved, the maintenance cost is reduced, and the maintenance time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge dewatering technical field especially sewage and water supply use sludge dewatering device. BACKGROUND

[0002] In drainage engineering, sludge dewatering is a vital link, with the acceleration of urbanization and the continuous expansion of industrial production scale, the sludge amount produced by sewage treatment plant and water supply and drainage system is also increasing sharply, these sludge contains a large amount of water, not only bulky, transportation and storage are difficult, and if improper handling, it will also cause serious pollution to the environment, for this reason, we propose a sewage and water supply use sludge dewatering device. CONTENT OF UTILITY MODEL

[0003] The utility model aims at solving the defects in prior art and proposes a sewage and water supply use sludge dewatering device.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A sewage and water supply use sludge dewatering device, including a group of symmetrical fixed frame, fixedly arranged with heating cavity on the fixed frame, the inside fixed setting of heating cavity has waterproof cover, waterproof cover's inside fixed setting has dehydration barrel, the outside surface of dehydration barrel evenly is provided with a plurality of drainage holes, the inside rotation of dehydration barrel is provided with stirring shaft, the surface fixed mounting of stirring shaft has a plurality of equidistance settings stirring column, one end of stirring shaft penetrates one side of dehydration barrel and extends outward, the one end fixed mounting of stirring shaft outside is provided with second motor, the side fixed setting of dehydration barrel away from second motor is provided with power assembly.

[0006] As a preferred technical scheme of the utility model, the power assembly includes the passive gear fixedly installed on one side of the dehydration barrel, the passive gear is meshingly provided with a transmission gear on one side, and the first motor is fixedly installed on the transmission gear.

[0007] As a preferred technical scheme of the utility model, the side close to the passive gear of the dehydration barrel is fixedly installed with the first limiting groove, the side of the first limiting groove is fixedly provided with the material guiding bin, the other end of the material guiding bin is provided with the fixed rib, the other end of the fixed rib is fixedly connected with the fixed frame, the end close to the first limiting groove of the material guiding bin is fixedly provided with the clamping groove, and the outer surface of the material guiding bin is fixedly provided with the feeding port;Wherein, the material guiding bin is rotatably connected with the dehydration barrel through the first limiting groove and the clamping groove.

[0008] As a preferred technical scheme of the utility model, the two ends of the dehydration barrel are symmetrically provided with the second limiting groove;Wherein, the second limiting groove is located on the side away from the material guiding bin of the passive gear.

[0009] As a preferred technical scheme of the utility model, the both sides of the water-proof cover are designed as open, the water-proof cover is clamped on the outer surface of the dehydration barrel, wherein the side of the water-proof cover close to the second motor is clamped with a sealing piece, the side of the sealing piece close to the inside of the water-proof cover is fixedly connected with a cleaning brush, and the sealing piece is rotatably installed in the second limiting groove.

[0010] As a preferred technical scheme of the utility model, the bottom of the water-proof cover is fixedly installed with a water collecting pipe.

[0011] As a preferred technical scheme of the utility model, the heating cavity is fixedly connected between the water-proof cover and the fixing frame, wherein the water-proof cover keeps fixed with the heating cavity when the dehydration barrel rotates under the action of the power assembly.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a dehydration device for sludge for water supply and drainage, which comprises a dehydration barrel, a water-proof cover and a heating cavity. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only the utility model, and other drawings can be obtained by the drawings for the ordinary skilled in the art without creative labor.

[0015] Figure 1 The utility model provides a kind of overall structure schematic diagram of sludge dehydration device for water supply and drainage;

[0016] Figure 2 The utility model provides a kind of sludge dehydration device for water supply and drainage of front view;

[0017] Figure 3 The utility model provides a kind of sludge dehydration device for water supply and drainage of internal structure diagram;

[0018] Figure 4The utility model provides a kind of sludge dewatering device for water supply and drainage inside cut drawing;

[0019] Figure 5 The utility model provides a kind of sludge dewatering device for water supply and drainage partial enlarged view.

[0020] In the drawing,

[0021] 1, fixed frame;2, dewatering barrel;3, water shield;4, heating cavity;5, passive gear;6, transmission gear;7, first motor;8, first limit slot;9, material guiding bin;10, clamping groove;11, inlet;12, second limit slot;13, drainage hole;14, second motor;15, stirring shaft;16, stirring column;17, sealing element;18, cleaning brush;19, water collecting pipe;20, fixed rib. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model;

[0023] Refer to Figures 1-5 A kind of sludge dewatering device for water supply and drainage, including a set of symmetrically arranged fixed frame 1, fixed frame 1 is fixedly provided with heating cavity 4, heating cavity 4 is fixedly provided with water shield 3 in its inside, water shield 3 is fixedly provided with dewatering barrel 2 in its inside, the outer surface of dewatering barrel 2 is evenly provided with several drainage holes 13, stirring shaft 15 is rotatably arranged in the inside of dewatering barrel 2, the surface of stirring shaft 15 is fixedly installed with multiple groups of equidistantly arranged stirring columns 16, one end of stirring shaft 15 penetrates through one side of dewatering barrel 2 and extends outward, second motor 14 is fixedly installed at the outer side of one end of stirring shaft 15, power assembly is fixedly arranged on the side of dewatering barrel 2 away from second motor 14.

[0024] Heating cavity 4 heats dewatering barrel 2 and the sludge in it to improve the temperature of the sludge and reduce the viscosity of the sludge, which helps water separate from the sludge, second motor 14 drives stirring shaft 15 to rotate, and stirring columns 16 on stirring shaft 15 rotate accordingly to stir and mix the sludge, which helps disperse sludge particles, increases the contact area of the sludge with heat, and speeds up the evaporation and separation of water, under the action of stirring and heating, the water in the sludge gradually evaporates and turns into water vapor, which is discharged through drainage holes 13 on the outer surface of dewatering barrel 2, while the dewatered sludge remains in dewatering barrel 2, power assembly is used to provide power for the rotation of dewatering barrel 2 to speed up the discharge of water and improve the dewatering efficiency, and after the drainage is completed, the remaining sludge can be treated by taking out dewatering barrel 2.

[0025] As an optional implementation, the power assembly comprises a passive gear 5 fixedly installed on one side of the dewatering barrel 2, and a transmission gear 6 engaged with the passive gear 5, and a first motor 7 fixedly installed on the transmission gear 6.

[0026] The power assembly comprises the passive gear 5 fixedly installed on one side of the dewatering barrel 2, the transmission gear 6 engaged with the passive gear 5, and the first motor 7 fixedly installed on the transmission gear 6. When the first motor 7 is started, it drives the transmission gear 6 to rotate. Due to the engagement relationship between the transmission gear 6 and the passive gear 5, the passive gear 5 also rotates, and the rotation of the passive gear 5 further drives the rotation of the dewatering barrel 2, thereby realizing the centrifugal dewatering process of the sludge in the dewatering barrel 2.

[0027] As an optional implementation, the dewatering barrel 2 is fixedly installed with a first limiting groove 8 on the side close to the passive gear 5, and the first limiting groove 8 is fixedly provided with a material guiding bin 9 on one side. The other end of the material guiding bin 9 is provided with a fixing rib 20, and the other end of the fixing rib 20 is fixedly connected with the fixed frame 1. The material guiding bin 9 is fixedly provided with a clamping groove 10 on the end close to the first limiting groove 8, and the outer surface of the material guiding bin 9 is fixedly provided with a feeding port 11. The material guiding bin 9 is rotatably connected with the dewatering barrel 2 through the first limiting groove 8 and the clamping groove 10.

[0028] The dewatering barrel 2 is fixedly installed with a first limiting groove 8 on the side close to the passive gear 5, and the material guiding bin 9 is provided with a clamping groove 10 on one end. The clamping groove 10 is matched with the first limiting groove 8, so that the material guiding bin 9 can be stably rotatably connected with the dewatering barrel 2. The other end of the material guiding bin 9 is fixedly connected with the fixed frame 1 through the fixing rib 20, forming a stable support structure. In the sludge dewatering process, the sludge enters the material guiding bin 9 through the feeding port 11, and the material guiding bin 9 does not rotate with the dewatering barrel 2 (due to the fixed connection of the fixing rib 20 on the material guiding bin 9 with the fixed frame 1 and the rotatable connection of the first limiting groove 8 with the clamping groove 10), and the sludge is uniformly delivered into the dewatering barrel 2 for dewatering treatment. The dewatered sludge is discharged through the drainage hole 13 of the dewatering barrel 2, and the remaining sludge continues to be left in the dewatering barrel 2 for further treatment.

[0029] As an optional implementation, the dewatering barrel 2 is symmetrically provided with a second limiting groove 12 at both ends; wherein the second limiting groove 12 is located on the side of the passive gear 5 away from the material guiding bin 9.

[0030] The second limiting groove 12 provides a basis for the rotatable installation of the water-proof cover 3.

[0031] Preferably, the water shield 3 is designed as an open structure on both sides, and the water shield 3 is clamped on the outer surface of the dehydration barrel 2; wherein the side of the water shield 3 close to the second motor 14 is clamped with a sealing piece 17, the side close to the inside of the water shield 3 is fixedly connected with a cleaning brush 18, and the sealing piece 17 is rotatably installed in the second limiting groove 12.

[0032] The sealing piece 17 plays a role in preventing water and dust, protecting the second motor 14 and other internal components from erosion by water and sludge, and the side close to the inside of the water shield 3 is fixedly connected with a cleaning brush 18, when the dehydration barrel 2 rotates, the cleaning brush 18 will not rotate with the water shield 3, so as to clean the outer surface of the dehydration barrel 2, prevent the residue of sludge and water, and the sealing piece 17 is rotatably installed in the second limiting groove 12, which ensures the cleaning effect.

[0033] Preferably, the bottom of the water shield 3 is fixedly installed with a water collecting pipe 19.

[0034] In the process of sludge dewatering, the water in the sludge will be thrown out due to the centrifugal effect generated by the rotation of the dehydration barrel 2, and then flow into the water shield 3, and then enter the water collecting pipe 19 through the opening at the bottom of the water shield 3, so as to realize the effective separation of sludge and water.

[0035] Preferably, the heating cavity 4 is fixedly connected with the water shield 3 and the fixed frame 1; wherein the dehydration barrel 2 rotates under the action of the power assembly, and the water shield 3 and the heating cavity 4 remain fixed.

[0036] The heating cavity 4 and the water shield 3 can be fixedly connected together by high-strength bolts, welding or other reliable connection methods, forming a stable and airtight space, and the dehydration barrel 2 is located inside the airtight space and is driven to rotate by the power assembly. During the rotation of the dehydration barrel 2, the water shield 3 and the heating cavity 4 remain in a relatively static state through fixed connection, and the heat in the heating cavity 4 can be stably transmitted to the sludge in the dehydration barrel 2.

[0037] The utility model discloses a dehydrating barrel, including the dehydration barrel 2, the sealing element 17, the heating cavity 4, the water screen 3, the water collecting pipe 19, the stirring shaft 15, the stirring column 16, the first motor 7, the second motor 14, the passive gear 5, the transmission gear 6, the guide bin 9 and the feeding port 11, its characterized in that: the dehydration barrel 2 is provided with the sealing element 17, the heating cavity 4, the water screen 3 and the water collecting pipe 19, the dehydration barrel 2 is provided with the stirring shaft 15, the stirring shaft 15 is provided with the stirring column 16, the dehydration barrel 2 is provided with the first motor 7 and the second motor 14, the first motor 7 is connected with the passive gear 5, the second motor 14 is connected with the transmission gear 6, the dehydration barrel 2 is provided with the guide bin 9, and the guide bin 9 is connected with the feeding port 11.

[0038] Those skilled in the art will understand that the above discussion of any embodiment is merely exemplary in nature, and is not intended to suggest the scope of the present application (including the claims) is limited to these examples. Under the concept of the present application, the above embodiments or technical features in different embodiments can also be combined, steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details.

[0039] The present application is intended to cover all such changes and modifications that come within the scope of the appended claims and their equivalents. Accordingly, any and all modifications, variations or equivalents that fall under the spirit and scope of the present application are intended to be embraced by the claimed application.

Claims

1. A sludge dewatering device for water supply and drainage, characterized in that: The utility model provides a kind of dehydration device, including a set of symmetrically arranged fixed frame (1), heating cavity (4) is fixedly arranged on the fixed frame (1), waterproof cover (3) is fixedly arranged in the heating cavity (4), dehydration bucket (2) is fixedly arranged in the waterproof cover (3), the outer surface of the dehydration bucket (2) is uniformly provided with several drainage holes (13), stirring shaft (15) is rotatably arranged in the dehydration bucket (2), the surface of the stirring shaft (15) is fixedly installed with multiple groups of equidistantly arranged stirring column (16), one end of the stirring shaft (15) penetrates one side of dehydration bucket (2) and extends outward, second motor (14) is fixedly installed on the outside one end of the stirring shaft (15), dehydration bucket (2) is fixedly arranged with power assembly away from second motor (14) side.

2. The sludge dewatering device for water supply and drainage according to claim 1, characterized by The power assembly includes a passive gear (5) fixedly installed on one side of the dehydration bucket (2), a transmission gear (6) is engaged on one side of the passive gear (5), and a first motor (7) is fixedly installed on the transmission gear (6).

3. The sludge dewatering device for water supply and drainage according to claim 1, characterized by The dehydration bucket (2) is fixedly installed with a first limiting groove (8) on one side close to the passive gear (5), a material guiding bin (9) is fixedly arranged on one side of the first limiting groove (8), a fixing rib (20) is arranged at the other end of the material guiding bin (9), the other end of the fixing rib (20) is fixedly connected with the fixed frame (1), a clamping groove (10) is fixedly arranged at one end of the material guiding bin (9) close to the first limiting groove (8), and an inlet (11) is fixedly arranged on the outer surface of the material guiding bin (9); wherein the material guiding bin (9) is rotatably connected with the dehydration bucket (2) through the first limiting groove (8) and the clamping groove (10).

4. The sludge dewatering device for water supply and drainage according to claim 1, characterized by Second limiting grooves (12) are symmetrically arranged at both ends of the dehydration bucket (2); wherein the second limiting grooves (12) are located on one side of the passive gear (5) away from the material guiding bin (9).

5. The sludge dewatering device for water supply and drainage according to claim 1, characterized by The waterproof cover (3) is designed as open on both sides, and the waterproof cover (3) is clamped on the outer surface of the dehydration bucket (2); wherein a sealing element (17) is clamped on one side of the waterproof cover (3) close to the second motor (14), a cleaning brush (18) is fixedly connected on one side of the sealing element (17) close to the inside of the waterproof cover (3), and the sealing element (17) is rotatably installed in the second limiting groove (12).

6. The sludge dewatering device for water supply and drainage according to claim 1, characterized by The bottom of the waterproof cover (3) is fixedly installed with a water collecting pipe (19).

7. The sludge dewatering device for water supply and drainage according to claim 1, characterized by The heating cavity (4) is fixedly connected with the waterproof cover (3) and the fixed frame (1); wherein the waterproof cover (3) and the heating cavity (4) remain fixed when the dehydration bucket (2) rotates under the action of the power assembly.

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