CN217139580U

CN217139580U - Vacuum negative pressure mud concentration device

Info

Publication number: CN217139580U
Application number: CN202220614859.1U
Authority: CN
Inventors: 黄昌富; 李少华; 李建旺; 祁文睿; 张庆军; 杨宇友; 姚铁军; 彭元栋
Original assignee: China Railway 15th Bureau Group Co Ltd; Urban Rail Transit Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Current assignee: China Railway 15th Bureau Group Co Ltd; Urban Rail Transit Engineering Co Ltd of China Railway 15th Bureau Group Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-09
Anticipated expiration: 2032-03-21

Abstract

The utility model provides a vacuum negative pressure mud concentrating device, including both ends have open-ended concentration pipeline and concentration pipeline is provided with the flange that is used for connecting the mud pipe respectively at both ends opening part, and concentration pipeline's inside is provided with a plurality of filters to concentration pipeline's entry end still detachable is provided with the silt filter screen, the utility model discloses a mud concentrating device overall structure is simple compact, can directly install and use on the mud pipe, is difficult for destroying each item characteristic of circulation mud, and clean environmental protection, and it is convenient to install, improves space utilization; moreover, when one of them filter blockked up, another filter of direct switch-over used, need not to tear open the machine in the working process, can effectively lifting means's work efficiency, it is further, the utility model discloses the silt filter screen that sets up at the entry end of concentration pipeline can tentatively carry out prefilter to the impurity of great granule, prevents to cause the jam, improve equipment's life to concentration device.

Description

Vacuum negative pressure mud concentration device

Technical Field

The utility model relates to a mud concentration technical field, concretely relates to vacuum negative pressure mud concentration device.

Background

At present, slurry concentration generally comprises two concentration modes of physics and chemistry, wherein the chemical mode is generally to add chemical agents to improve the slurry concentration, the cost is higher, the environment is not friendly, pollution is easily caused, and the slurry is easily separated to cause the slurry performance reduction. The conventional physical concentration method generally needs to establish a large structure for realizing slurry dehydration, and is sometimes limited by difficult realization of a field and higher cost. In order to solve the technical problem, a person skilled in the art considers that the concentration device is directly installed on the mud pipe for use, but the mud pipe is mixed with a large amount of impurities such as mud, the direct use is easy to cause blockage, once the blockage occurs, the machine needs to be stopped for maintenance, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a vacuum negative pressure slurry concentration device to solve the technical problems mentioned in the background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a vacuum negative pressure slurry concentration device comprises a concentration pipeline with openings at two ends, wherein flanges used for connecting slurry pipes are respectively arranged at the openings at the two ends of the concentration pipeline;

the filter is of a cylindrical structure, a filtering channel is arranged in the filter, the diameter of the filtering channel is 1/5-1/4 of the diameter of the concentration pipeline, a plurality of clean water outlets which are communicated with the filtering channels of the filters in a one-to-one correspondence mode are formed in the concentration pipeline, the clean water outlets are connected to the water tank through a connecting pipeline, and the water tank is further connected with a vacuum pump used for vacuumizing the water tank and the filters and a clean water pump used for discharging clean water in the water tank.

Further, the filter is of a multi-layer filtering structure and is sequentially provided with a first filter screen, filter cotton and a second filter screen from outside to inside, and the aperture of the second filter screen is smaller than that of the first filter screen.

Further, a liquid level switch is arranged inside the water tank.

Furthermore, the top of the water tank is provided with a vent hole, and the vent hole is provided with an electromagnetic valve.

Furthermore, a plurality of valves are arranged on the connecting pipeline.

Compared with the prior art, the beneficial effects of the utility model are that: the slurry concentration device of the utility model has simple and compact integral structure, can be directly installed on the slurry pipe for use, is not easy to destroy various characteristics of the circulating slurry, is clean and environment-friendly, is convenient to install, and improves the space utilization rate; furthermore, the utility model discloses the inside of well concentration pipeline is provided with a plurality of filters, when one of them blockked up, can directly switch another and use, need not to tear open the machine in the working process, can effectively lifting means's work efficiency, it is further, the utility model discloses it is provided with the silt filter screen to go back detachable at the entry end of concentration pipeline, can tentatively carry out prefilter to the impurity of great granule, prevents to cause the jam, improve equipment's life to concentration device.

Drawings

Fig. 1 is a schematic structural view of a vacuum negative pressure slurry concentration device of the present invention;

FIG. 2 is a schematic view of the filter construction;

the labels in the figure are: 1. concentration pipeline, 101, clear water delivery port, 2, flange, 3, mud pipe, 4, filter, 401, filtration passageway, 402, first filter screen, 403, filter pulp, 404, second filter screen, 5, water tank, 6, vacuum pump, 7, clean water pump, 8, liquid level switch, 9, solenoid valve, 10, connecting tube, 11, valve, 12, silt filter screen.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, 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.

A vacuum negative pressure slurry concentration device, as shown in figure 1, comprises a concentration pipeline 1 with openings at two ends, wherein flanges 2 for connecting slurry pipes 3 are respectively arranged at the openings at two ends of the concentration pipeline 1, a plurality of filters 4 are arranged inside the concentration pipeline 1, the filters 4 are sequentially arranged at intervals along the bus direction of the concentration pipeline 1, a silt filter screen 12 is detachably arranged at the inlet end of the concentration pipeline 1, the silt filter screen 12 can preliminarily filter large-particle impurities, the blockage of the concentration device is prevented, and the service life of the device is prolonged;

the filter 4 is of a cylindrical structure, a filtering channel 401 is arranged in the filter 4, the diameter of the filtering channel is 1/5-1/4 of the diameter of the concentration pipeline 1, a plurality of clean water outlets 101 which are communicated with the filtering channels 401 of the filters in a one-to-one correspondence mode are formed in the concentration pipeline 1, the clean water outlets 101 are connected to the water tank 5 through a connecting pipeline 10, the water tank 5 is responsible for collecting clean water generated by filtering, a vacuum pump 6 used for vacuumizing the water tank and the filters and a clean water pump 7 used for discharging clean water in the water tank are further connected to the water tank 5, the vacuum pump 6 is used for accelerating the pressure of the filtered clean water in the filter 4 to the water tank 5, and the clean water pump 7 is used for discharging the clean water in the water tank 5.

A liquid level switch 8 is arranged in the water tank 5 and comprises an upper liquid level sensor and a lower liquid level sensor; the top of the water tank 5 is provided with a vent hole and the vent hole is provided with an electromagnetic valve 9; a plurality of valves 11 are provided on the connecting pipe 10.

The utility model discloses total three routes purification passageway, generally be exclusive use between the three, if when needing quick purification, also can make up the use, following to wherein the principle explanation of the control part of purification passageway all the way as follows: the vacuum pump 6 works, be in the negative pressure state in filter 4 and the water tank 5, moisture gets into the filtration passageway of filter 4 through the filtering layer of filter 4 with higher speed in the mud, because the pressure differential effect of filter 4 and water tank 5, the clear water gets into the water tank by the filter, the liquid level is supreme level sensor in the water tank 5, then the water tank is full, vacuum pump 6 stops, solenoid valve 9 that vent department set up is opened, clear water pump 7 starts to discharge the clear water in the water tank 5, to lower level sensor department, the water tank is 5 empty, clear water pump 7 stops, solenoid valve 9 of vent department closes, the vacuum pump starts, then get into next circulation.

Further, as shown in fig. 2, the filter 4 has a multi-layer filtering structure, which includes, from outside to inside, a first filter 402, a filter cotton 403, and a second filter 404, and the aperture of the second filter 404 is smaller than that of the first filter 402.

Furthermore, it should be noted that the present invention aims to realize the dehydration of slurry to improve the concentration of slurry, so as to realize the dehydration function, it is not necessary to treat all the slurry passing through the slurry pipe 3, and if all the slurry passing through the slurry pipe 3 is treated, the problem of blockage is easily caused, so the size of the diameter of the filter 4 is not too large, and the diameter of the filter is 1/5-1/4 of the diameter of the concentration pipeline, and the circulation of the slurry in the slurry pipe is not affected basically, and the effect is best.

The utility model discloses when using, when setting up at one of them and the purification passageway that corresponds of a plurality of filters 4 of concentration pipeline 1 inside and block up, accessible valve 11 directly switches another and uses, need not to tear open the machine in the working process, can effectively lifting means's work efficiency.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vacuum negative pressure slurry concentration device is characterized by comprising a concentration pipeline with openings at two ends, wherein flanges used for connecting slurry pipes are respectively arranged at the openings at the two ends of the concentration pipeline;

2. The vacuum negative-pressure slurry concentration device according to claim 1, wherein the filter is a multi-layer filter structure, and comprises a first filter screen, filter cotton and a second filter screen from outside to inside in sequence, and the aperture of the second filter screen is smaller than that of the first filter screen.

3. The vacuum negative pressure slurry concentrating device according to claim 2, wherein a liquid level switch is arranged inside the water tank.

4. The vacuum negative pressure slurry concentration device according to claim 3, wherein the top of the water tank is provided with a vent hole and the vent hole is provided with an electromagnetic valve.

5. The vacuum negative pressure slurry concentrating device according to claim 4, wherein a plurality of valves are provided on the connecting pipe.