CN112169380B

CN112169380B - Fire fighting equipment for coal mine flotation

Info

Publication number: CN112169380B
Application number: CN202010973646.3A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Liulin Xiangyu Resource Recovery Co ltd
Current assignee: Liulin Xiangyu Resource Recovery Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2023-04-14
Anticipated expiration: 2040-09-16
Also published as: CN112169380A

Abstract

The invention discloses a defoaming device capable of floating on a flotation liquid level, sucking foam on the surface of flotation liquid to the middle part through a stirring shaft and smashing the foam through spiral-flow liquid.

Description

Fire fighting equipment for coal mine flotation

Technical Field

The invention discloses a defoaming device for coal mine flotation, relates to a device for defoaming flotation liquid during coal mine flotation, and belongs to the field of coal mine equipment. In particular to a defoaming device which can float on the surface of a flotation liquid, attract the foam on the surface of the flotation liquid to the middle part through a stirring shaft and smash the foam through a rotational flow blade.

Background

In the flotation process of clean coal in a coal preparation plant, the foam carrying the concentrate is solid-liquid-gas three-phase foam, and has certain stability, and is difficult to break for a long time, particularly, useful minerals and gangue are closely symbiotic, the grinding granularity is fine, the three-phase foam with high fine particle content in the flotation concentrate has extremely strong stability, and the post-treatment of the flotation concentrate is seriously influenced.

Publication number CN208511947U discloses a solid-state defoaming stick that flotation device foam groove defoaming was used, including flotation device and supersonic generator, supersonic generator sets up the top of flotation device, the top of flotation device is located supersonic generator's downside middle part has set up the poling, just supersonic generator passes through the pipe the poling is connected with the defoaming stick, the defoaming stick sets up the inside left side of flotation device, the interior left side surface of flotation device has set up the spout, the defoaming stick with spout sliding connection, the defoaming stick passes through fixed plate, transducer, floating plate, sliding shaft and connecting plate and constitutes, and its area of action of this fire fighting equipment is limited, only can carry out defoaming to the foam of flotation device internal fixation region and handle.

Notice No. CN211160238U discloses a coal slime bucket face fire fighting equipment, the device is located directly over coal slime bucket center department, main part including back taper hollow structure, be in main part upper portion center department and connect the inside hollow pipe that draws upward of main part, there is the inside and outside notch of multilayer connection main part on the main part conical surface, all notches of every layer of notch all are in same horizontal plane, draw upward the intraductal static pressure water of coal preparation plant, the device is limited in area of action during the defoaming, and can add too much water during the defoaming, lead to flotation liquid concentration to descend, influence the flotation effect.

Disclosure of Invention

In order to improve the situation, the defoaming device for coal mine flotation provided by the invention can float on the flotation liquid surface, attract the foam on the flotation liquid surface to the middle part through the stirring shaft, and break the foam through the rotational flow blades.

The invention discloses a defoaming device for coal mine flotation, which is realized by the following steps: the invention relates to a defoaming device for coal mine flotation, which consists of a rotating frame, a defoaming rod, a liquid inlet hopper, a stirring shaft, a fixed frame, a fixed sleeve, a support frame, a double-shaft motor, a cyclone blade, a liquid outlet pipe, a defoaming cylinder, a sliding frame, a sliding rod, a floating plate, a connecting frame and a fixed seat, wherein the liquid outlet pipe is connected with the bottom end of the defoaming cylinder;

furthermore, a vibrating rod is additionally arranged on the defoaming rod.

Advantageous effects

1. The circulating water flow can be formed so as to attract the foam in the flotation tank to the stirring part, thereby forming defoaming on the whole surface of the flotation tank.

2. Can float automatically according to liquid level, guarantee the effect of stirring defoaming.

3. The installation and the use are simple.

Drawings

FIG. 1 is a schematic structural diagram of a defoaming device for coal mine flotation according to the present invention;

fig. 2 is a three-dimensional structure diagram of the defoaming device for coal mine flotation.

In the attached drawings

Wherein the following steps are as follows: the defoaming device comprises a rotating frame (1), a defoaming rod (2), a liquid inlet hopper (3), a stirring shaft (4), a fixing frame (5), a fixing sleeve (6), a supporting frame (7), a double-shaft motor (8), a cyclone blade (9), a liquid outlet pipe (10), a defoaming cylinder (11), a sliding frame (12), a sliding rod (13), a floating plate (14), a connecting frame (15), a liquid level (16), a fixing seat (17) and a barrel wall (18).

The specific implementation mode is as follows:

example 1

The invention discloses a defoaming device for coal mine flotation, which is realized by the following steps: the invention relates to a defoaming device for coal mine flotation, which consists of a rotating frame (1), a defoaming rod (2), a liquid inlet hopper (3), a stirring shaft (4), a fixed frame (5), a fixed sleeve (6), a support frame (7), a double-shaft motor (8), a cyclone blade (9), a liquid outlet pipe (10), a defoaming cylinder (11), a sliding frame (12), a sliding rod (13), a floating plate (14), a connecting frame (15) and a fixed seat (17), wherein the liquid outlet pipe (10) is connected with the bottom end of the defoaming cylinder (11), the liquid inlet hopper (3) is arranged at the top end of the defoaming cylinder (11), the support frame (7) is fixedly arranged in the defoaming cylinder (11), the fixed frame (5) is arranged in the defoaming cylinder (11) and positioned above the support frame (7), the double-shaft motor (8) is arranged on the support frame (7), the cyclone blade (9) is connected with the lower side of the double-shaft motor (8), a plurality of triangular grooves are arranged at the edge of the blade, one end of the double-shaft (4) is connected with the upper side of the double-shaft motor (8), the shaft (4) passes through the fixed frame (5) upwards, and then the stirring shaft (11) is positioned between the defoaming cylinder (11), the defoaming device comprises a rotating frame (1), a stirring shaft (4), a plurality of defoaming rods (2) are arranged on the rotating frame at equal intervals, the lengths of the defoaming rods (2) are gradually reduced from the middle to two ends, the end parts of the defoaming rods (2) are outwards expanded to form stirring paddles, one end of a connecting frame (15) is connected with the outer wall of a defoaming cylinder (11), the other end of the connecting frame (15) extends obliquely upwards and then is vertically and upwards bent, a floating plate (14) is arranged at the other end of the connecting frame (15), the floating plate (14) is an arc-shaped plate, the bottom of the floating plate (14) is arched downwards, one end of a sliding frame (12) is connected with the other end of the connecting frame (15) close to the sliding frame (12), a sliding sleeve is arranged at the other end of the sliding frame (12), a sliding sleeve is arranged between the sliding frame (13) and the sliding frame (12), and two ends of the sliding frame (13) are respectively provided with a fixed seat (17);

during the use, fix fixing base (17) at slide bar both ends on flotation tank bucket wall (18), kickboard (14) float on the flotation solution surface this moment, engage in making the main part section of thick bamboo be located and be close to flotation solution surface department, then start biaxial motor (8), when biaxial motor (8) drive upside (mixing) shaft (4) rotatory stirring, drive downside whirl leaf (9) and rotate, flow with this formation rivers, form the swirl at the liquid surface, the liquid that will float the foam is to sucking of swivel mount (1) department, then smash its foam through rotatory defoaming pole (2), with this completion defoaming.

Example 2

The difference between this example and example 1 is: a vibrating rod is additionally arranged on the defoaming rod (2); when in use, the vibrating rod vibrates to break the foam and improve the defoaming capability of the foam;

the top end of the defoaming cylinder (11) is provided with a liquid inlet hopper (3), so that stirred bubbles can be collected and guided, and the subsequent centralized defoaming is facilitated;

the edge of the swirl vane is provided with a plurality of triangular grooves, so that a cutting groove can be formed, bubbles can be cut and smashed, and the defoaming effect is good;

the design of a fixed sleeve (6) is arranged between the stirring shaft (4) and the fixed frame (5), so that the stirring shaft (4) can be protected, and abrasion or jamming is avoided;

the length of the defoaming rod (2) is gradually reduced from the middle to the two ends, and a vortex can be formed on the liquid surface so as to suck the liquid floating with foam to the rotating frame (1);

the floating plate (14) is designed to be an arc-shaped plate, is matched with the arc-shaped edge of the defoaming cylinder (11), and is stably supported in a floating way;

the bottom of the floating plate (14) is arched downwards, so that the floating plate (14) floats stably;

a sliding sleeve is arranged between the sliding rod (13) and the sliding frame (12), so that the sliding rod (13) can be protected, and abrasion or jamming is avoided;

the end part of the defoaming rod (2) is expanded outwards to form a stirring paddle, so that the contact area with the flotation solution is large, and the stirring effect on the flotation solution is good;

the defoaming rod (2) and the swirl vanes are matched, so that circulating water flow can be formed, foams in the flotation tank are attracted to a stirring part, and defoaming on the whole surface of the flotation tank is formed;

the sliding rod (13) and the sliding frame (12) are in sliding fit, so that the floating and descending can be automatically carried out according to the height of the liquid level (16), and the stirring and defoaming effects are ensured;

the double-shaft motor (8) drives the upper stirring shaft (4) to rotate and stir and simultaneously drives the lower rotational flow blades (9) to rotate, so that a water flow flowing design is formed, a vortex can be formed on the surface of the liquid, the liquid with foam is sucked towards the rotating frame (1), and then the foam is broken through the rotating defoaming rod (2), so that defoaming is completed;

the above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It should be further noted that, while the above specific embodiments are described for simplicity and clarity, only the differences from other embodiments are described, but those skilled in the art should understand that the above specific embodiments are independent technical solutions.

Claims

1. The utility model provides a fire fighting equipment for coal mine flotation which characterized by: the defoaming device comprises a rotating frame, a defoaming rod, a liquid inlet hopper, a stirring shaft, a fixing frame, a fixing sleeve, a supporting frame, a double-shaft motor, a cyclone blade, a liquid outlet pipe, a defoaming cylinder, a sliding frame, a sliding rod, a floating plate, a connecting frame and a fixing base, wherein the liquid outlet pipe is connected with the bottom end of the defoaming cylinder, the supporting frame is fixedly arranged in the defoaming cylinder, the fixing frame is arranged in the defoaming cylinder and positioned above the supporting frame, the double-shaft motor is arranged on the supporting frame, the cyclone blade is connected with a motor shaft at the lower side of the double-shaft motor, a plurality of triangular grooves are formed in the edge of the cyclone blade, one end of the stirring shaft is connected with the motor shaft at the upper side of the double-shaft motor, the other end of the stirring shaft upwards penetrates through the fixing frame and then extends out of the defoaming cylinder, the fixing sleeve is arranged between the stirring shaft and the fixing frame, and the rotating frame is connected with the other end of the stirring shaft, the utility model discloses a defoaming machine, including a rotating frame, defoaming rod, carriage, sliding rod cover, fixing base, vibrating bar, defoaming section of thick bamboo, bracing piece, defoaming pole tip, defoaming section of thick bamboo, the one end and the defoaming section of thick bamboo outer wall of link are connected, the other end of link extends upwards to one side earlier, and vertical upwards bends again, and the floating plate is arranged in on the other end of link, and the one end and the link of carriage are close to the other end department and are connected, and the sliding rod cover is arranged in on the other end of carriage, the sliding sleeve has been put between sliding rod and the carriage, the fixing base has been put respectively at the both ends of sliding rod, add the vibrting spear on the defoaming pole, the liquid feeding fill has been put on the top of defoaming section of thick bamboo, can collect the direction to stirring bubble, convenient follow-up concentrated defoaming, the gliding design of sliding rod and carriage cooperation can float automatically according to the liquid level, guarantees the effect of stirring defoaming.

2. The defoaming apparatus for coal mine flotation according to claim 1, wherein the length of said defoaming rod is gradually reduced from the middle to both ends, and a vortex is formed on the surface of the liquid to attract the liquid floating with foam toward the rotating frame.

3. The froth breaking apparatus for coal mine flotation according to claim 1 wherein said flotation plate is an arcuate plate.

4. The defoaming apparatus for coal mine flotation according to claim 3, wherein the bottom of the floating plate is arched downwards.

5. The defoaming device for coal mine flotation according to claim 1, wherein the upper stirring shaft is driven by the double-shaft motor to rotate and stir, and the lower rotational flow vanes are driven to rotate, so as to form a water flow design, so that a vortex can be formed on the liquid surface, the liquid with foam is sucked towards the rotating frame, and then the foam is broken by the rotating defoaming rod, so as to complete defoaming.

6. The defoaming apparatus for coal mine flotation according to claim 2, wherein the defoaming bar and the swirl vanes are cooperatively designed to form a circulating water flow to attract the foam in the flotation tank toward the stirring position, thereby defoaming the entire surface of the flotation tank.