CN111075009A

CN111075009A - Mud-water separation sewage suction truck

Info

Publication number: CN111075009A
Application number: CN202010017832.XA
Authority: CN
Inventors: 周雪园; 申跃里; 张富贵
Original assignee: Wuhan Kaier Environmental Protection Equipment Co ltd
Current assignee: Wuhan Kaier Environmental Protection Equipment Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-04-28

Abstract

The invention discloses a sludge-water separation sewage suction truck, which comprises: the sewage treatment device comprises a filter cartridge, a spiral conveyor, a sewage suction pipe and a sewage tank, wherein the filter cartridge and the spiral conveyor are obliquely arranged, the lower end of the filter cartridge is communicated with the lower end of the spiral conveyor, the upper end of the filter cartridge is communicated with one end of the sewage suction pipe, and the filter cartridge is provided with a first sieve mesh penetrating through the inner wall and the outer wall of the filter cartridge; the upper end of the screw conveyor extends to the outside of the sewage tank; the sewage tank is provided with a water outlet. The sludge-water separation sewage suction truck provided by the invention is used for discharging the insoluble substances after twice dewatering through the upper end of the screw conveyor, the insoluble substances can be directly loaded and transported away, the liquid in the sewage tank is discharged through the water outlet, the liquid can be directly discharged into a sewer, or the liquid can be transported away by using a tank truck, the sewage suction truck still continues to work on site, and the working efficiency is improved.

Description

Mud-water separation sewage suction truck

Technical Field

The invention relates to the technical field of special vehicles, in particular to a mud-water separation sewage suction truck.

Background

Most of the sewage suction trucks or cleaning sewage suction trucks produced at present do not have a sludge dewatering mechanism, and a small number of cleaning sewage suction trucks with sewage circulation still have a muddy water mixture after the work, and the water content is very high, so that the sludge cannot be discharged on construction streets and can be timely transported away, and the cleaning sewage suction trucks or the sewage suction trucks are required to be transported away, so that the work efficiency is very low.

Disclosure of Invention

The invention aims to overcome the technical defects, provides a sludge-water separation sewage suction truck, and solves the technical problems that residues in a tank body of a cleaning sewage suction truck or a sewage suction truck in the prior art cannot be discharged and timely transported away on a construction street, and the cleaning sewage suction truck or the sewage suction truck must be used for transporting away, so that the sewage suction truck or the cleaning sewage suction truck cannot continuously work on site.

In order to achieve the technical purpose, the technical scheme of the invention provides a mud-water separation sewage suction truck, which comprises: the sewage tank, the sewage suction pipe, the filter cartridge and the screw conveyer are obliquely arranged, the lower end of the filter cartridge is communicated with the lower end of the screw conveyer, the upper end of the filter cartridge is communicated with one end of the sewage suction pipe, and the filter cartridge is provided with a first sieve mesh penetrating through the inner wall and the outer wall of the filter cartridge; the upper end of the screw conveyor extends to the outside of the sewage tank; the sewage tank is provided with a water outlet.

Compared with the prior art, the invention has the beneficial effects that: when the sludge-water separation sewage suction truck is used, the sewage suction pipe can be placed into the water channel, sludge in the water channel is sucked into the filter cylinder from the sewage suction pipe, at the moment, liquid in the sludge falls into the sewage tank from the first sieve mesh, thereby realizing primary dewatering, then the sludge falls into the screw conveyer from the lower end of the filter cylinder, during the process that the spiral conveyer lifts the sludge upwards, the liquid in the sludge falls into the sewage tank under the action of gravity, thereby realizing secondary dehydration, the upper end of the screw conveyor is used for discharging insoluble substances after the secondary dehydration, the insoluble substances can be directly loaded and transported away, the water outlet is used for discharging the liquid in the sewage tank, and the liquid can be directly discharged into a sewer, or the sewage suction truck or the cleaning sewage suction truck still continues to work on site after being transported by using a tank truck, and the self transportation is not needed, so that the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a mud-water separation sewage suction truck provided by the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present embodiment provides a mud-water separation sewage suction truck, including: sewage jar 1, soil pick-up pipe 2, cartridge filter 3, screw conveyer 4.

The filter cartridge 3 and the screw conveyer 4 are all obliquely arranged, the lower end of the filter cartridge 3 is communicated with the lower end of the screw conveyer 4, the upper end of the filter cartridge 3 is communicated with one end of the sewage suction pipe 2, and the filter cartridge 3 is provided with a first sieve mesh penetrating through the inner wall and the outer wall of the filter cartridge.

The upper end of the screw conveyor 4 extends to the outside of the sewage tank 1, and the screw conveyor 4 is used for discharging insoluble substances in the muddy water.

The sewage tank 1 is provided with a water outlet 1a, in this embodiment, the water outlet 1a is opened at the lower part or the bottom of the sewage tank 1, the water outlet 1a is used for discharging the sewage in the sewage tank 1, in this embodiment, the sewage suction pipe 2 itself has a power source (a suction device 5), the suction device 5 is used for sucking the sewage from the other end of the sewage suction pipe 2 into the filter cartridge 3, the suction device 5 may be connected to the sewage suction pipe, and the suction device may also be connected to the sewage tank 1, for example: the suction device 5 is a vacuum pump, the suction end of the suction device 5 is communicated with the inner cavity of the sewage tank 1 and is positioned near the upper part of the sewage tank 1, and the suction device 5 is used for exhausting the gas in the sewage tank 1, so that the inside of the sewage tank 1 is in a negative pressure state.

When the sludge-water separation sewage suction truck is used, the suction device 5 is started, the sewage suction pipe 2 can be placed into a water channel at the moment, sludge in the water channel is extracted from the sewage suction pipe 2 to the filter cylinder 3, liquid in the sludge falls into the sewage tank 1 from the first sieve mesh at the moment, so that primary dehydration is realized, then the sludge falls into the screw conveyor 4 from the lower end of the filter cylinder 3, in the process that the sludge of the screw conveyor 4 is lifted upwards, the liquid in the sludge falls into the sewage tank 1 under the action of gravity, so that secondary dehydration is realized, the upper end of the screw conveyor 4 is used for discharging insoluble substances subjected to twice dehydration, the insoluble substances can be directly loaded and transported by the truck, the water outlet is used for discharging the liquid in the sewage tank 1, and the liquid can be directly discharged into a sewer, or transported by a tank truck, and the sewage suction truck or a cleaning sewage suction truck (the cleaning sewage suction truck is an improved product of the sewage suction truck) still continues to work on site, the self-carrying away is not needed, and the working efficiency is improved.

The present embodiment further provides a preferable embodiment, the filter cylinder 3 is cylindrical, the dirt-water separation suction vehicle further includes a first driving mechanism, the first driving mechanism is in driving connection with the filter cylinder 3, and the first driving mechanism can drive the filter cylinder 3 to rotate relative to the axis of the filter cylinder 3, so as to prevent dirt from adhering to and accumulating on the lower side of the inner wall of the filter cylinder 3, specifically, it can be understood that the filter cylinder 3 has a screen plate rolled into a screen cylinder, the first screen hole is distributed over the surface of the filter cylinder 3, the dirt-water separation suction vehicle further includes a feeding elbow 6, the axis of the upper end of the feeding elbow 6 in this embodiment is vertically arranged, and the upper end of the feeding elbow 6 is fixedly connected with the sewage tank 1, the axis of the lower end of the feeding elbow 6 is collinear with the axis of the filter cylinder 3, and the lower end of the feeding elbow 6 is rotatably connected with the upper end of the filter cylinder 3 through a rotary support 7, the first driving mechanism can be a rotating electric machine or a hydraulic motor, the specific driving connection mode can be various, for example, a worm wheel can be coaxially and fixedly connected with the upper end of the filter cylinder 3, a driving shaft of the first driving mechanism is coaxially and fixedly connected with a worm, and the worm is meshed with the worm wheel.

Mud-water separation soil pick-up car still including being used for the drive the cartridge filter 3 produces the vibrator 8 of vibration, the casing of vibrator 8 in this embodiment with 1 fixed connection of sewage tank, the vibration output end butt of vibrator 8 in feeding return bend 6 to with the indirect transmission of vibration for cartridge filter 3, avoid vibrator 8 lug connection cartridge filter 3 to reduce the destruction to vibrator 8 to slewing bearing 7 (in this embodiment, the lower extreme of cartridge filter 3 is unsettled state), under the vibrating action of vibrator 8, under the silt moves down with higher speed, and realize first dehydration.

The screw conveyor 4 comprises an outer cylinder 41, a screw rod 42 and a second driving mechanism 43, the outer cylinder 41 is arranged obliquely, the lower end of the outer cylinder 41 is communicated with the lower end of the filter cartridge 3, the outer cylinder 41 is provided with a second sieve mesh penetrating through the inner wall and the outer wall of the outer cylinder, the screw rod 42 is coaxially arranged in the outer cylinder 41, the second driving mechanism 43 is in driving connection with the screw rod 42, and the second driving mechanism 43 can drive the screw rod 42 to rotate relative to the outer cylinder 41, in the embodiment, the outer cylinder 41 is cylindrical, the lower end face of the outer cylinder 41 is sealed, so that dirt is prevented from directly sliding from the lower end of the outer cylinder 41 to the sewage tank 1, the upper side of the outer peripheral face of the lower end of the outer cylinder 41 is provided with a material receiving port, the material receiving port is positioned under the lower end opening of the filter cartridge 3, so as to directly receive the, the helical blade is fixed in along the axis direction spiral of screw body the outer peripheral face of screw body, just helical blade's pitch reduces from bottom to top gradually, promptly helical blade's the speed of transported substance slows down from bottom to top gradually to extrude, promote silt, water in the silt is crowded into through the second sieve mesh the sewage jar 1.

Mud-water separation soil pick-up car still include dry hopper 9, dry hopper 9 set up with the outside of sewage tank 1, screw conveyer 4 the upper end with the inner chamber intercommunication of dry hopper 9, the bin outlet has been seted up to the lower extreme of dry hopper 9, be provided with on the bin outlet and be used for opening/closing the relief valve 9a of bin outlet, be provided with on outlet 1a and be used for opening/closing outlet 1 a's drain valve 1 b.

Mud-water separation soil pick-up car still include suction pump a, suction pump a's the end of drawing water with sewage tank 1's inner chamber intercommunication is used for taking out liquid in sewage tank 1 avoids the pressure in the sewage tank 1 to hang down excessively, the unable direct discharge of sewage.

In this embodiment, the mud-water separation soil pick-up car still include soil pick-up arm b (electric mechanical arm or hydraulic mechanical arm), soil pick-up arm b with soil pick-up pipe 2 drive is connected, soil pick-up arm b is used for adjusting the position of soil pick-up pipe 2, obviously soil pick-up pipe 2 has partial flexible section at least, soil pick-up arm b with soil pick-up pipe 2 drive connection structure belongs to the general technical means in this field, does not do the detailed description this moment.

The working principle is as follows: firstly starting a pumping device 5, then starting a vibrator 8, a first driving mechanism and a screw conveyor 4, vacuumizing a sewage tank 1 after the pumping device 5 is started, pumping a mud-water mixture in a sewer through a sewage suction pipe 2, enabling the mud-water mixture to enter a feeding elbow 6 through the sewage suction pipe 2 on a sewage suction arm b and enter a filter cylinder 3, driving the filter cylinder 3 to rotate by the first driving mechanism, enabling sewage to fall into the sewage tank 1 from a first sieve hole on the filter cylinder 3, enabling solids to move downwards along the inner wall of the filter cylinder 3, enabling the solids to move downwards and quickly under the vibration action of the vibrator 8 to realize primary dehydration, enabling the solids to enter the screw conveyor 4, driving an inner helical blade of the screw conveyor 4 to rotate by a second driving mechanism 43 (a motor or a hydraulic motor) to extrude and lift sludge, enabling water in the sludge to fall out of the sewage tank 1 through a second sieve hole on an outer cylinder 21 of the screw conveyor 4, the extruded sludge is lifted to a discharge port at the upper end of the screw conveyor 4 (the discharge port at the upper end is arranged at the lower side of the outer peripheral surface of the upper end of the outer cylinder 41), and falls into the drying hopper 9 under the action of gravity; after the dry hopper 9 is filled, the discharge valve 9a is opened to discharge the sludge (dry material). After the sewage tank 1 is loaded with certain sewage, starting a water suction pump a (the sewage pump can be driven by a motor or a hydraulic motor), and discharging the sewage in the sewage tank 1 by the water suction pump a; the drain valve 1b may be opened to drain the sewage after the sewage tank 1 is filled with the sewage.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a mud-water separation soil pick-up car which characterized in that includes: a filter cartridge, a screw conveyor, a sewage suction pipe and a sewage tank;

the filter cartridge and the spiral conveyor are both obliquely arranged, the lower end of the filter cartridge is communicated with the lower end of the spiral conveyor, the upper end of the filter cartridge is communicated with one end of the sewage suction pipe, and the filter cartridge is provided with a first sieve pore penetrating through the inner wall and the outer wall of the filter cartridge;

the upper end of the screw conveyor extends to the outside of the sewage tank; the sewage tank is provided with a water outlet.

2. The mud-water separation sewage suction truck as claimed in claim 1, wherein the screw conveyor comprises an outer barrel, a screw and a second driving mechanism, the outer barrel is obliquely arranged, the lower end of the outer barrel is communicated with the lower end of the filter cylinder, a second sieve hole penetrating through the inner wall and the outer wall of the outer barrel is formed in the outer barrel, the screw is coaxially arranged in the outer barrel, the second driving mechanism is in driving connection with the screw, and the second driving mechanism can drive the screw to rotate relative to the outer barrel.

3. The mud-water separation and sewage suction truck according to claim 2, wherein the screw comprises a screw body and a helical blade, the helical blade is fixed on the outer circumferential surface of the screw body in a helical manner along the axial direction of the screw body, and the pitch of the helical blade is gradually reduced from bottom to top.

4. The vehicle according to claim 1, wherein the filter cylinder is cylindrical, and the vehicle further comprises a first driving mechanism, the first driving mechanism is in driving connection with the filter cylinder, and the first driving mechanism can drive the filter cylinder to rotate relative to the axis of the filter cylinder.

5. The mud-water separation sewage suction truck according to claim 1, further comprising a dry hopper, wherein the dry hopper is arranged outside the sewage tank, the upper end of the screw conveyor is communicated with the inner cavity of the dry hopper, the lower end of the dry hopper is provided with a discharge port, and the discharge port is provided with a discharge valve for opening/closing the discharge port.

6. The mud-water separation sewage suction truck according to claim 1, wherein a drain valve for opening/closing the drain port is provided on the drain port.

7. The mud-water separation sewage suction truck according to claim 1, further comprising a water suction pump, wherein a water suction end of the water suction pump is communicated with an inner cavity of the sewage tank.

8. The mud-water separation and sewage suction vehicle as claimed in claim 1, further comprising a suction device, wherein the suction end of the suction device is communicated with the inner cavity of the sewage tank.

9. The mud-water separation sewage suction truck according to claim 1, further comprising a vibrator for driving the filter cartridge to vibrate.