Squeezer for sewage treatment

Abstract

The utility model provides a squeezer for sewage treatment. A screw squeezing mechanism can squeeze and dehydrate water-containing garbage, a screw cylinder is transversely installed in the middle of a machine shell, the rear end of a core shaft penetrates through a rear arm of the machine shell and is connected with a speed reducer shaft, a speed reducer is driven by a motor, a screw blade is installed on the core shaft, and an opening is formed in the upper side of the rear portion of the screw cylinder. A connecting pipe is mounted at the opening, the feeding pipe is communicated with the connecting pipe, the front end of the screw cylinder is communicated with the slag discharging pipe, the blow-off pipe is arranged below the screw cylinder, and the rear end of the blow-off pipe is communicated with the lower side of the front part of the screw cylinder; a plurality of long openings which are circumferentially and uniformly distributed are formed in the front part of the screw cylinder, a detachable filter screen is arranged at the long openings, two semicircular hoop plates are arranged on the outer side of the filter screen, the hoop plates are mounted on the outer wall of the screw cylinder, and the hoop plate positioned on the lower layer is communicated with a blow-off pipe. In the device, a detachable filter screen and a hoop plate are designed at the squeezing dehydration part of the front section of the screw cylinder, so that the filter screen is convenient to clean or replace.

Description

Technical Field

[0001] The utility model relates to the field of squeezing equipment, in particular to a squeezing machine for sewage treatment. Background Art

[0002] With the rapid development of industrialization and urbanization, water pollution is becoming increasingly serious. As a key means of addressing this issue, wastewater treatment technologies and equipment are constantly being updated to meet higher environmental protection requirements and treatment efficiency. Among the various wastewater treatment equipment, presses, as an effective mechanical dewatering device, are widely used in wastewater dewatering processes.

[0003] The screw press is one of the equipment commonly used for garbage dehydration. Since there are garbage of various sizes, materials and hardness in the sewage, small particles of garbage often clog the mesh of the filter on the screw press during the squeezing and dehydration process, resulting in the sewage not being discharged smoothly, affecting the dehydration effect; and the filter needs to be replaced after a long period of operation. The existing structure requires disassembling the entire device to replace the filter, and then putting the filter on, which is very inconvenient. Utility Model Content

[0004] The utility model is based on the above technical problems and proposes a squeezer for sewage treatment.

[0005] A squeezer for sewage treatment, comprising a casing and a screw pressing mechanism, wherein the screw pressing mechanism can squeeze and dehydrate water-containing garbage, and the screw pressing mechanism consists of a barrel, a core shaft, spiral blades, a motor and a reducer, wherein the barrel is horizontally installed in the middle of the casing, the rear end of the core shaft passes through the rear arm of the casing and is connected to the reducer shaft, the reducer is driven by the motor, the spiral blades are installed on the core shaft, an opening is provided on the upper side of the rear end of the barrel, and a connecting pipe is installed at the opening, the feed pipe is connected to the connecting pipe, the front end of the barrel is connected to the slag discharge pipe, the sewage pipe is arranged below the barrel, and the rear end of the sewage pipe is connected to the lower side of the front end of the barrel; a plurality of long openings evenly distributed around the circumference are opened at the front of the barrel, a detachable filter screen is provided at the long opening, and two semicircular hoop plates are provided on the outside of the filter screen, the hoop plates are installed on the outer wall of the barrel, and the hoop plates located at the lower layer are connected to the sewage pipe.

[0006] In a possible implementation, the filter screen is composed of two semicircular screens, a pluggable socket and a plug are provided at the joint of the two semicircular screens, and at least one clamp is installed at each end of the filter screen.

[0007] In a possible implementation, side wings are provided at the sides of the hoop plates, and screw holes aligned vertically are provided on the side wings, so that the upper and lower hoop plates are locked by bolts.

[0008] In a possible implementation, two annular grooves are provided at the front of the screw barrel, and the grooves are located at both ends of the long opening. The inner sides of the front and rear ends of the hoop plate are provided with convex edges, and the convex edges can be stuck into the grooves.

[0009] In a possible implementation, a support seat is further provided on the lower side of the front end of the screw barrel, and the lower end of the support seat is fixed to the bottom of the casing.

[0010] In a possible implementation, a window is provided on the top plate of the housing, and the window is located directly above the hoop plate.

[0011] In a possible implementation, an openable and closable inspection door is provided on a side wall of the casing, and the inspection door is located on one side of the hoop plate.

[0012] Beneficial effects: In this device, a detachable filter screen and hoop plate are designed at the squeezing and dehydration part of the front section of the screw barrel, making it easy to clean or replace the filter screen; the hoop plate is fixed by the limited cooperation of the convex edge and the slot, combined with the bolt fastening method to ensure stability, and a sealing ring is set at the joint to effectively prevent the possibility of sewage leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Shows a schematic structural diagram of the utility model;

[0014] Figure 2 Shows the internal structure diagram of the utility model;

[0015] Figure 3 Shows a cross-sectional structural diagram of the present utility model;

[0016] Figure 4 The figure shows the partial structure of the front section of the barrel;

[0017] Figure 5 A schematic diagram showing the docking of the filter screen of the present invention is shown. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] like Figures 1 to 5The shown squeezing machine for sewage treatment includes a casing 1 and a screw squeezing mechanism. The screw squeezing mechanism can squeeze and dehydrate water-containing garbage. The screw squeezing mechanism consists of a screw barrel 2, a core shaft 8, a spiral blade 3, a motor 5 and a reducer 4. The screw barrel 2 is horizontally installed in the middle of the casing 1. The rear end of the core shaft 8 passes through the rear arm of the casing 1 and is connected to the reducer 4 shaft. The reducer 4 is driven by the motor 5. The spiral blade 3 is installed on the core shaft 8. The motor 5 drives the core shaft 8 and the spiral blade 3 to rotate through the reducer 4. After the garbage enters the screw barrel 2, it is continuously pushed forward and squeezed and dehydrated as the spiral blade 3 continues to rotate. An opening is provided on the upper side of the rear of the screw barrel 2, and a connecting pipe 13 is installed at the opening. The feed pipe 14 is connected to the connecting pipe 13, and the two are connected in a detachable manner to facilitate disassembly and maintenance in case of blockage.

[0020] The front end of the screw barrel 2 is connected to the slag discharge pipe 12, which passes through the casing 1 and is inclined upward. The squeezed garbage is discharged from the slag discharge pipe 12; the sewage discharge pipe 11 is arranged below the screw barrel 2, and the rear end of the sewage discharge pipe 11 is connected to the lower side of the front part of the screw barrel 2. The sewage generated during the squeezing process is discharged outward through the sewage discharge pipe 11; the front part of the screw barrel 2 is provided with a number of long openings 201 evenly distributed around the circumference, and a detachable filter screen 7 is provided at the long openings 201.

[0021] In one possible implementation, the filter screen 7 is composed of two semicircular screens combined together, and a pluggable socket and plug 701 are provided at the joint of the two semicircular screens. During installation, the two semicircular screens are put on the long opening 201, and the socket and plug 701 are used to combine the semicircular screens into a complete pipe network, which is then fixed by a clamp 18. At least two clamps 18 are provided, and the number of clamps 18 can be selected according to the actual length of the filter screen 7, but at least one clamp should be installed at each end of the filter screen 7. According to actual needs, an appropriate number of clamps 18 can also be added to the middle part of the filter screen.

[0022] In order to prevent the filter screen 7 from shifting on the barrel 2, the diameter of the barrel 2 at the long opening 201 is designed to be smaller than the diameter at its two ends, that is, the barrel 2 is narrowed at the long opening 201. This design ensures that the filter screen 7 can be firmly stuck at the long opening 201 and will not move laterally.

[0023] To facilitate the inspection or replacement of the filter screen 7, two hoops 6 that can be combined into a semicircular shape are provided on the outside of the filter screen 7 and installed on the outer wall of the screw barrel 2. The hoop 6 located at the lower layer is connected to the sewage pipe 11, so that the squeezed sewage can flow into the sewage pipe through the long opening 201 and be discharged.

[0024] The hoop plates 6 are fixed by fastening with bolts 10, that is, side wings 602 are set at the side edges of the hoop plates 6, and the side wings 602 are provided with screw holes aligned up and down. The upper and lower hoop plates 6 are locked by bolts 10, and sealing gaskets are set between the side wings 602.

[0025] In one possible implementation, two annular grooves 202 are provided at the front of the screw barrel 2. The grooves 202 are located at both ends of the long opening 201 and are located at the narrow diameter portion of the outer side of the screw barrel 2. The grooves 202 are located on the inner sides of the front and rear ends of the hoop plate 6 and are provided with convex edges 601. The convex edges 601 can be inserted into the grooves 202. A sealing ring is also provided in the grooves 202 to ensure its sealing effect.

[0026] In a possible implementation, in order to ensure the stable operation of the screw pressing mechanism, a support seat 9 is further provided on the lower side of the front end of the barrel 2 , and the lower end of the support seat 9 is fixed to the bottom of the casing 1 .

[0027] In one possible implementation, in order to facilitate the disassembly and installation of the filter screen 7 and the hoop plate 6, a window 16 is provided on the top plate 15 at the top of the casing 1, and the window 16 is located directly above the hoop plate 6, and an opening and closing window can be provided at the window 16; an openable and closable inspection door 17 is provided on the side wall of the casing 1, and the inspection door 17 is located on one side of the hoop plate 6.

[0028] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A press for sewage treatment, comprising a housing and a screw pressing mechanism, wherein the screw pressing mechanism can squeeze and dehydrate water-containing garbage, and the screw pressing mechanism is composed of a barrel, a core shaft, spiral blades, a motor and a reducer, wherein the barrel is transversely mounted in the middle of the housing, the rear end of the core shaft passes through the rear arm of the housing and is connected to the reducer shaft, the reducer is driven by the motor, and the spiral blades are mounted on the core shaft, characterized in that: An opening is provided on the upper side of the rear portion of the screw barrel, and a connecting pipe is installed at the opening, the feed pipe is connected to the connecting pipe, the front end of the screw barrel is connected to the slag discharge pipe, the sewage pipe is arranged below the screw barrel, and the rear end of the sewage pipe is connected to the lower side of the front portion of the screw barrel; a plurality of long openings evenly distributed around the circumference are provided at the front portion of the screw barrel, a detachable filter screen is provided at the long openings, two semicircular hoop plates are provided on the outside of the filter screen, the hoop plates are installed on the outer wall of the screw barrel, and the hoop plates located at the lower layer are connected to the sewage pipe.

2. The squeezing machine for sewage treatment according to claim 1, characterized in that: The filter screen is composed of two semicircular screens. A pluggable socket and a plug are provided at the joint of the two semicircular screens. At least one clamp is installed at each end of the filter screen.

3. The squeezing machine for sewage treatment according to claim 1, characterized in that: Side wings are provided at the sides of the hoop plates, and screw holes aligned up and down are provided on the side wings, and the upper and lower hoop plates are locked by bolts.

4. The squeezing machine for sewage treatment according to claim 3, characterized in that: Two annular slots are provided at the front of the screw barrel, and the slots are located at both ends of the long opening. The inner sides of the front and rear ends of the hoop plate are provided with convex edges, and the convex edges can be stuck into the slots.

5. The squeezing machine for sewage treatment according to claim 1, characterized in that: A support seat is further provided at the lower side of the front end of the screw barrel, and the lower end of the support seat is fixed to the bottom of the casing.

6. The squeezing machine for sewage treatment according to claim 1, characterized in that: A window is provided on the top plate of the casing, and the window is located just above the hoop plate.

7. The squeezing machine for sewage treatment according to claim 1, characterized in that: An openable and closable inspection door is provided on the side wall of the casing, and the inspection door is located on one side of the hoop plate.

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