CN219073258U

CN219073258U - Siphon type two-section combined rotational flow dredging device

Info

Publication number: CN219073258U
Application number: CN202223084315.8U
Authority: CN
Inventors: 张悦刊; 徐祥曦; 孙贺; 陈波; 刘培坤; 李晓宇
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-05-26
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a siphon type two-section combined cyclone dredging device, which relates to the technical field of solid-liquid separation tools and comprises a submerged slurry pump and a two-section combined high-efficiency centrifugal separator, wherein the two-section combined high-efficiency centrifugal separator comprises a first-section cyclone and a second-section cyclone; the side wall of the first section of cyclone, which is close to the upper end, is provided with a feed inlet and is connected with the lowest end of the submerged slurry pump through a pipeline, the upper end is provided with a first overflow port, the bottom flow port of the lower end of the first section of cyclone is connected with a pneumatic pinch valve, and the side wall of the first section of cyclone, which is close to the lower end, is provided with a bottom flow pipe; the side wall of the second section of cyclone, which is close to the upper end, is provided with a feed inlet and is connected with the first section of cyclone through a bottom flow pipe, the upper end of the second section of cyclone is connected with a rectangular container, the side wall of the rectangular container is provided with a second overflow port, and the bottom flow port of the lower end of the second section of cyclone is connected with a fish tail device. The device is a high-efficiency rotational flow multistage purification process, and can effectively solve the problems that manual sludge cleaning is time-consuming and labor-consuming, low in efficiency and the like.

Description

Siphon type two-section combined rotational flow dredging device

Technical Field

The utility model relates to the technical field of solid-liquid separation tools, in particular to a siphon type two-section combined cyclone dredging device.

Background

The coal face often carries a large amount of cinder, discharges to central sump through ditch channel, leads to sump coal slime siltation serious, the volume reduces, and clearance cycle shortens, threatens production safety. In order to reduce the deposition of coarse particles, the sump is usually slowed down, and a plurality of small sump settling tanks are arranged along the water ditch before entering the sump. The setting of sump sedimentation tank has played the effect of "safe guard" for sump coal slime siltation, but because sump sedimentation tank space is narrow and small, traditional mechanical equipment need not be spent at all, consequently, traditional sump sedimentation tank's desilting mud mode is generally manual clearance, and the workman need wear waterproof trousers and get into sump sedimentation tank clearance silt coal, and this method is not only wasted time and energy and inefficiency, and intensity of labour is big moreover, and danger coefficient is high.

Disclosure of Invention

The utility model aims to solve the problems of low time and labor consumption, high labor intensity and high danger coefficient in the prior art, and provides a siphon type two-section combined cyclone dredging device.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the siphon type two-section combined cyclone dredging device is characterized by comprising a submerged slurry pump and a two-section combined high-efficiency centrifugal separator, wherein the submerged slurry pump is arranged in a sedimentation tank, and the two-section combined high-efficiency centrifugal separator comprises a first-section cyclone and a second-section cyclone; the side wall of the first section of cyclone, which is close to the upper end, is provided with a feed inlet and is connected with the lowest end of the submerged slurry pump through a pipeline, the upper end is provided with a first overflow port, the bottom flow port of the lower end of the first section of cyclone is connected with a pneumatic pinch valve, the side wall of the first section of cyclone, which is close to the lower end, is provided with a bottom flow pipe, and one end of the bottom flow pipe extends into the cavity of the first section of cyclone; the side wall of the second section of cyclone close to the upper end is provided with a feed inlet and is connected with the first section of cyclone through a bottom flow pipe, the upper end of the second section of cyclone is connected with a rectangular container, the side wall of the rectangular container is provided with a second overflow port, and the bottom flow port of the lower end is connected with a fish tail device.

Preferably, a high-pressure air gun is placed in the sedimentation tank.

Preferably, the pipeline connecting the submerged slurry pump and the feed inlet of the first section of cyclone comprises a section of horizontal pipe, a section of vertical pipe and a section of bent pipe; the lowest end of the vertical pipe is connected with the lowest end of the submerged slurry pump through a bent pipe; the position close to the lower end of the vertical pipe is provided with a fixing plate for fixing the submerged slurry pump.

Preferably, the first overflow port and the second overflow port are both connected with the water sump through pipelines.

Preferably, the fish tail device is in a closed state when the siphon type two-section combined cyclone dredging device works.

The utility model has the beneficial effects that:

the utility model relates to a siphon type two-section combined rotational flow dredging device which is provided with a two-section combined type efficient centrifugal separator. Through the combination of two sections of cyclones, the underflow is concentrated through a fish tail device after two-stage high-speed centrifugal rotation, and the efficient cleaning of sludge is realized. The device has the advantages of simple structure, short process flow, low cost, flexible arrangement, strong adaptability, high efficiency and reliability.

Drawings

FIG. 1 is a schematic diagram of a siphon type two-stage combined cyclone dredging device.

FIG. 2 is a schematic diagram of a two-stage combined high efficiency centrifugal separator.

Wherein, a 1-sedimentation tank; 2-high pressure air gun; 3-a submerged slurry pump; 4-a stage of cyclone; 5-a feed inlet of the two-stage cyclone; 6-pneumatic pinch valves; 7-fish tail device; 8-a underflow pipe of a section of cyclone; 9-a feed inlet of a first-stage cyclone; 10-two-stage cyclone; 11-a first overflow; 12-a second overflow.

Detailed Description

As further described with reference to the accompanying drawings, as shown in fig. 1 and 2, the utility model provides a siphon type two-section combined cyclone dredging device, which comprises a submerged slurry pump 3 and a two-section combined high-efficiency centrifugal separator, wherein the submerged slurry pump 3 is arranged in a sedimentation tank 1, a high-pressure air gun 2 is also arranged in the sedimentation tank 1, and the two-section combined high-efficiency centrifugal separator comprises a first-section cyclone 4 and a second-section cyclone 10; the side wall of the first section of cyclone 4, which is close to the upper end, is provided with a feed inlet 9 of the first section of cyclone, and is connected with the lowest end of the submerged slurry pump 3 through a pipeline, and the pipeline connecting the submerged slurry pump 3 and the feed inlet 9 of the first section of cyclone comprises a section of horizontal pipe, a vertical pipe and a bent pipe; the lowest end of the vertical pipe is connected with the lowest end of the submerged slurry pump 3 through a bent pipe; a fixing plate is arranged at a position close to the lower end of the vertical pipe to fix the submerged slurry pump 3. The upper end of the first section of cyclone 4 is provided with a first overflow port 11, a bottom flow port at the lower end of the first section of cyclone is connected with a pneumatic pinch valve 6, a bottom flow pipe 8 of the first section of cyclone is arranged on the side wall close to the lower end, and one end of the bottom flow pipe extends into a cavity of the first section of cyclone 4; the side wall of the second-stage cyclone 10, which is close to the upper end, is provided with a second-stage cyclone feeding port 5, and is connected with the first-stage cyclone 4 through a bottom flow pipe, the upper end is connected with a rectangular container, the side wall of the rectangular container is provided with a second overflow port 12, and the bottom flow port of the lower end is connected with a fish tail device 7.

The deposited sludge in the sedimentation tank 1 is brought into a slurry state by the impact of the high pressure air gun 2. The submerged slurry pump 3 pumps the slurry to a two-stage combined high-efficiency centrifugal separator. The first stage cyclone 4 rotates through the first stage high speed centrifugation, clean water produced by separation returns to the bin through the overflow port 11, part of bottom flow produced by separation is blocked and deposited at the bottom flow port by the pneumatic pinch valve 6, and the rest of bottom flow with low concentration flows to the second stage cyclone 10 through the bottom flow pipe 8 and the feed port 5. The second-stage cyclone 10 completes the second-stage high-speed centrifugal rotation, clean water generated by separation returns to the bin through the overflow port 12, the bottom flow port is connected with the fish tail device 7, the fish tail device 7 is in a closed state during operation by utilizing the siphon principle, the bottom flow generated by separation is gradually piled up on the fish tail device 7, the bottom flow falls on a belt to be carried away after being piled up to a certain degree, and a concentrated bottom flow gap falls on the belt to be carried away.

It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims

1. The siphon type two-section combined cyclone dredging device is characterized by comprising a submerged slurry pump and a two-section combined high-efficiency centrifugal separator, wherein the submerged slurry pump is arranged in a sedimentation tank, and the two-section combined high-efficiency centrifugal separator comprises a first-section cyclone and a second-section cyclone; the side wall of the first section of cyclone, which is close to the upper end, is provided with a feed inlet and is connected with the lowest end of the submerged slurry pump through a pipeline, the upper end is provided with a first overflow port, the bottom flow port of the lower end of the first section of cyclone is connected with a pneumatic pinch valve, the side wall of the first section of cyclone, which is close to the lower end, is provided with a bottom flow pipe, and one end of the bottom flow pipe extends into the cavity of the first section of cyclone; the side wall of the second section of cyclone close to the upper end is provided with a feed inlet and is connected with the first section of cyclone through a bottom flow pipe, the upper end of the second section of cyclone is connected with a rectangular container, the side wall of the rectangular container is provided with a second overflow port, and the bottom flow port of the lower end is connected with a fish tail device.

2. The siphon type two-stage combined cyclone dredging device according to claim 1, wherein a high-pressure air gun is arranged in the sedimentation tank.

3. The siphon type two-section combined cyclone dredging device according to claim 1, wherein the pipeline connecting the submerged slurry pump and the feed inlet of the cyclone comprises a section of horizontal pipe, a section of vertical pipe and a section of bent pipe; the lowest end of the vertical pipe is connected with the lowest end of the submerged slurry pump through a bent pipe; the position close to the lower end of the vertical pipe is provided with a fixing plate for fixing the submerged slurry pump.

4. The siphon type two-stage combined cyclone dredging device according to claim 1, wherein the first overflow port and the second overflow port are connected with the water sump through pipelines.

5. The siphon type two-stage combined cyclone dredging device according to claim 1, wherein the fish tail device is in a closed state when the siphon type two-stage combined cyclone dredging device works.