CN218608311U

CN218608311U - Explosive waste liquid solid-liquid separation device

Info

Publication number: CN218608311U
Application number: CN202222684882.0U
Authority: CN
Inventors: 黎西川; 姚勇; 张超; 刘桂杉; 周静; 王海鸿
Original assignee: Sichuan Haokang Technology Co ltd
Current assignee: Sichuan Haokang Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-14
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a solid-liquid separation device for explosive waste liquid, which comprises a flow distribution system, a filtering system, an overflow system, a control system and a box body; the filtering system is arranged inside the box body; the overflow system is arranged on the top of the filtering system; the flow distribution system is connected with the filtering system; and the control system is electrically connected with the shunt system, the filtering system and the overflow system respectively. The utility model discloses solid-liquid separation's technological security and operational safety in the explosive waste liquid have greatly been improved.

Description

Explosive waste liquid solid-liquid separation equipment

Technical Field

The utility model relates to a waste liquid recovery environmental protection field, in particular to explosive waste liquid solid-liquid separation equipment.

Background

The processing and forming of the explosives and powders mainly adopts processing means such as turning, milling, drilling and the like, and water or cutting fluid is used for processing and cooling in order to ensure the safety of the processing process. Mixing the processed explosive and powder waste with water or cutting fluid, discharging into a waste fluid tank, and waiting for subsequent recovery treatment.

The existing recovery mode of explosive processing and forming waste materials mainly comprises the steps of filtering and recovering by a centrifugal machine and artificially recovering by natural sedimentation. Centrifugal filtration is retrieved and is used centrifuge to carry out centrifugal filtration to the mixture, and the filter vat needs to carry out high-speed rotation, and the rotation process produces very high kinetic energy, if the explosive residue invades areas that have relative motion such as bearing, will take place serious consequence. The mode of natural sedimentation and manual recovery extremely depends on manual operation, and strict requirements are imposed on the professional degree of personnel in each operation link.

SUMMERY OF THE UTILITY MODEL

Potential safety hazard to current explosive waste liquid recovery existence, the utility model provides an explosive waste liquid solid-liquid separation equipment.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a solid-liquid separation device for explosive waste liquid comprises a flow dividing system, a filtering system, an overflow system, a control system and a box body; the filtering system is arranged inside the box body; the overflow system is arranged on the top of the filtering system; the shunting system is connected with the filtering system; and the control system is electrically connected with the shunt system, the filtering system and the overflow system respectively.

Preferably, the shunt system comprises a liquid pump, a branch pipeline and a valve; and the liquid pump conveys the mixed waste liquid to the filtering system through the branch pipeline and the valve.

Preferably, the liquid pump is a diaphragm pump or a peristaltic pump.

Preferably, the filtering system comprises a barrel body, a filtering plate, a filtering bag and a vacuum generator; the filter plate divides the barrel body into an upper cavity and a lower cavity; the filter bag is placed in the upper cavity; the vacuum generator is connected with the lower cavity.

Preferably, the filtration system comprises a placement ring; the placing ring is fixedly arranged on the inner wall of the barrel body, and the filter plate is detachably arranged on the placing ring.

Preferably, the filter plate one side equipartition is the circular port of triangle-shaped range, and the another side has set up the increase and has leaked the strip on the circular port.

Preferably, the filtration system comprises a first liquid level meter and a sealed elongated container with two branch pipes; the upper position and the lower position of the side wall of the lower cavity are respectively provided with a mounting hole, and the two mounting holes are connected with the two branch pipes one by one; the first liquid level meter is installed on the sealed strip container.

Preferably, the overflow system comprises an overflow tank, a second liquid level meter and an overflow valve; the overflow groove is arranged on the upper opening epitaxy of the upper cavity; the second liquid level meter is arranged in the overflow tank; the overflow valve is arranged at the bottom of the overflow groove.

Preferably, the box body comprises a body, a control cabin and a box cover; the filtration system is disposed within the body; the control cabin is arranged in the side wall of the body, and the control system is arranged in the control cabin; the box cover is connected with the top of the body in an opening and closing mode and is located above the overflow system.

Compared with the prior art, the beneficial effects of the utility model can be:

the utility model respectively controls the flow dividing system, the filtering system and the overflow system by the control system, and can realize the automation degree of the device to the maximum extent;

the utility model adopts the shunting system, which can shunt to a plurality of filtering subsystems to realize the independent operation of the filtering subsystems;

the utility model discloses filtration system adopts vacuum dehydration, and the filtering process can intermittent type control, can separate out the explosive granule from the mixture of granule and water, is applicable to the mixture of produced explosive granule and cutting fluid among the explosive contour machining promptly. Compared with the centrifugal dehydration process, the filtration process has no mechanical extrusion and high-speed movement, and the safety of the dehydration process and the operation safety are greatly improved.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a structural diagram of the shunt system of the present invention;

FIG. 3 is a block diagram of the filtration system of the present invention;

FIG. 4 is a block diagram of the overflow system of the present invention;

fig. 5 is a structural diagram of the box body of the present invention.

In the figure, 1-the shunt system; 2-a filtration system; 3-an overflow system; 4-a box body;

11-a liquid pump; 12-a first valve; 13-a second valve; 14-a by-pass duct;

21-exhaust hole; 22-placing a ring; 23-a filter plate; 24-a first level gauge; 25-mounting holes; 26-liquid discharge holes; 27-a drain valve; 28-a vacuum generator; 29-a filter bag;

31-an overflow trough; 32-a second level gauge; 33-relief valve;

41-box cover; 42-a handle; 43-feed inlet; 44-a transparent glass window; 45-a control cabin; 46-a caster; 47-Hydraulic rod.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 5, a device for separating solid and liquid from waste liquid of explosives and powders comprises a flow dividing system 1, a filtering system 2, an overflow system 3, a control system and a box body 4; the filtering system 2 is arranged inside the box body 4; the overflow system 3 is arranged on the top of the filtering system 2; the shunt system 1 is connected with the filter system 2; the control system is respectively and electrically connected with the shunt system 1, the filtering system 2 and the overflow system 3.

The working principle is as follows:

the control system is used for controlling the shunt system 1, the filtering system 2 and the overflow system 3, and is mainly used for controlling valves and related electrical equipment to form an automatic control system, so that the workload of workers is reduced. The filtering system 2 can adopt one filtering unit or a plurality of filtering units, if a plurality of filtering units are adopted, the control system can control the shunting system 1 to guide the mixed liquid into the filtering unit therein through the control valve, the filtering units are mutually independent, and various different types of explosive solid waste can be collected simultaneously. The overflow system 3 is a system that is provided to prevent the mixed liquid from overflowing the filtration system 2, that receives the mixed liquid, and that can feed back a signal.

In one embodiment, the diversion system 1 includes an infusion pump 11, a bypass line 14, and a valve; the mixed reject is conveyed by the draw pump 11 via a branch line 14 and valves to the filter system 2.

In this embodiment, the number of the branch pipes 14 is two, but not limited to this, the first valve 12 is disposed on one branch pipe 14, the second valve 13 is disposed on the other branch pipe 14, and the control system controls the start and stop of the liquid pumping pump 11 and the start and stop of the first valve 12 and the second valve 13, so that the mixed liquid on the two branch pipes 14 flows to different positions of the filtering system 2 through the first valve 12 and the second valve 13, respectively.

In one embodiment, the liquid pump 11 is a diaphragm pump or a peristaltic pump.

In this embodiment, the diaphragm pump separates the liquid to be infused from the plunger and the pump cylinder by means of a thin film, thereby protecting the plunger and the pump cylinder. The left side of the diaphragm, which is in contact with the liquid, is made of corrosion-resistant materials or coated with a layer of corrosion-resistant substances; the right side of the diaphragm is filled with water or oil; the peristaltic pump consists of three parts: a drive, a pump head, and a hose. The characteristics of fluid isolation in the pump pipe, quick replacement of the pump pipe, reversible fluid running, dry running, low maintenance cost and the like constitute the main competitive advantage of the peristaltic pump.

In one embodiment, the filtration system 2 includes a tub, a filter plate 23, a filter bag 29, and a vacuum generator 28; the filter plate 23 divides the barrel body into an upper cavity and a lower cavity; the filter bag 29 is placed in the upper chamber; a vacuum generator 28 is connected to the lower chamber.

In this embodiment, the filter bag 29 is replaceable, and the mixture is primarily filtered in the filter bag 29, then filtered again by the filter plate 23, and finally dropped from the upper chamber into the lower chamber on the filter plate 23. The lower cavity is provided with the exhaust holes 21, the vacuum generator 28 is connected with the exhaust holes 21, the vacuum generator 28 vacuumizes the lower cavity, the mixed liquid in the upper cavity enters the lower cavity in an accelerating manner under the action of self gravity and air pressure, and the mixed liquid can be rapidly filtered in static settlement without mechanical extrusion and high-speed movement.

In one embodiment, the bottom of the barrel is provided with a drain hole 26, the drain hole 26 is connected with a drain pipeline, and the drain pipeline is provided with a drain valve 27.

In this embodiment, when the liquid in the lower chamber reaches a certain volume, the control system controls the drain valve 27 to open, and the filtered liquid flows out from the drain pipeline.

In one embodiment, the filtration system 2 includes a placement ring 22; place ring 22 fixed setting at the staving inner wall, filter 23 demountable installation is on placing ring 22.

In this embodiment, place ring 22 annular setting on the staving inner wall, filter 23 places on placing ring 22, and it can be convenient realization is changed, selects appropriate filtration specification as required.

In one embodiment, the filter plate 23 has uniformly distributed circular holes with equal triangular arrangement on one surface, and leakage increasing strips are arranged on the circular holes on the other surface.

In this embodiment, the filter plate 23 is a double-sided type, one side is a plane, and circular holes with equal triangular arrangement are uniformly distributed; and the leakage increasing strips are additionally arranged on the circular holes on the other side, so that the effective filtering area can be increased.

In one embodiment, the filtration system 2 comprises a first level gauge 24 and a sealed elongated container with two branches; the upper position and the lower position of the side wall of the lower cavity are respectively provided with a mounting hole 25, and the two mounting holes 25 are connected with the two branch pipes one by one; a first fluid level gauge 24 is mounted on the sealed elongated container.

In this embodiment, the mounting hole 25 disposed above the sidewall of the lower chamber can ensure that the air pressures above the lower chamber and the sealed strip container are the same, so that the liquid levels in the lower chamber and the sealed strip container are the same, the first liquid level gauge 24 can detect the water level in the lower chamber according to the water level in the sealed strip container, and when the liquid level reaches a set value, the control system forcibly discharges the liquid.

In one embodiment, the overflow system 3 comprises an overflow tank 31, a second level gauge 32 and an overflow valve 33; the overflow groove 31 is arranged on the upper opening of the upper cavity and extends outwards; the second liquid level gauge 32 is disposed in the overflow tank 31; an overflow valve 33 is provided at the bottom of overflow tank 31.

In this embodiment, when the mixed liquid in the filtering system 2 overflows, the mixed liquid flows to the overflow tank 31 first, so as to avoid overflow, a detection tank is also arranged in the overflow tank 31, the second level gauge 32 is installed in the detection tank, the mixed liquid overflowing to the overflow tank 31 is converged into the detection tank to trigger the second level gauge 32, and the control system controls the overflow valve 33 to open, so that the mixed liquid in the overflow tank 31 is discharged from the overflow valve 33.

In one embodiment, the case 4 includes a body, a control cabin 45, and a case cover 41; the filtering system 2 is arranged in the body; the control cabin 45 is arranged in the side wall of the body, and the control system is arranged in the control cabin 45; the box cover 41 is connected with the top of the body in an opening and closing mode and is located above the overflow system 3.

In this embodiment, the body adopts integral type welding process except that the door plant, and outward appearance wholeness is strong, does not have the assembly vestige. The control cabin 45 is used for installing a control system, the control system is of a full explosion-proof structure, the explosion-proof grade of the control box is Exd IIBT6, all electrical elements except the control box are explosion-proof components and are connected through explosion-proof hoses. The box cover 41 is made by a flip-open process, supported by a hydraulic rod 47, and a handle 42 is installed on the front side of the box cover 41 to facilitate opening and closing of the box cover 41. The box cover 41 corresponds to the center of the barrel body, a transparent glass window 44 is installed and used for observing the state in the barrel body, a feeding hole 43 used for conveying mixed liquid is installed in the center of the transparent glass window 44, and the mixed liquid enters the barrel body from the feeding hole 43.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A solid-liquid separation device for waste liquid of explosives and powders is characterized by comprising a flow distribution system, a filtering system, an overflow system, a control system and a box body; the filtering system is arranged inside the box body; the overflow system is arranged on the top of the filtering system; the shunting system is connected with the filtering system; the control system is respectively electrically connected with the shunt system, the filtering system and the overflow system.

2. The explosive waste liquid solid-liquid separation device according to claim 1, characterized in that: the shunt system comprises a liquid pump, a branch pipeline and a valve; and the liquid pump conveys the mixed waste liquid to the filtering system through the branch pipeline and the valve.

3. The explosive waste liquid solid-liquid separation device according to claim 2, characterized in that: the liquid pump is a diaphragm pump or a peristaltic pump.

4. The explosive waste liquid solid-liquid separation device according to claim 1, characterized in that: the filtering system comprises a barrel body, a filtering plate, a filtering bag and a vacuum generator; the filter plate divides the barrel body into an upper cavity and a lower cavity; the filter bag is placed in the upper cavity; the vacuum generator is connected with the lower cavity.

5. The explosive waste liquid solid-liquid separation device according to claim 4, characterized in that: the filtration system includes a placement ring; the placing ring is fixedly arranged on the inner wall of the barrel body, and the filter plate is detachably arranged on the placing ring.

6. The explosive waste liquid solid-liquid separation device according to claim 4, characterized in that: the filter plate one side equipartition is equallyd divide the circular port of triangle arrangement, and the another side has set up the increase and has leaked the strip on the circular port.

7. The explosive waste liquid solid-liquid separation device according to claim 4, characterized in that: the filtering system comprises a first liquid level meter and a sealed long-strip container with two branch pipes; the upper position and the lower position of the side wall of the lower cavity are respectively provided with a mounting hole, and the two mounting holes are connected with the two branch pipes one by one; the first liquid level meter is mounted on the sealed elongated container.

8. The explosive waste liquid solid-liquid separation device according to claim 4, characterized in that: the overflow system comprises an overflow groove, a second liquid level meter and an overflow valve; the overflow groove is arranged on the upper opening epitaxy of the upper cavity; the second liquid level meter is arranged in the overflow tank; the overflow valve is arranged at the bottom of the overflow groove.

9. The explosive waste liquid solid-liquid separation device according to claim 1, characterized in that: the box body comprises a body, a control cabin and a box cover; the filtration system is disposed within the body; the control cabin is arranged in the side wall of the body, and the control system is installed in the control cabin; the box cover is connected with the top of the body in an opening and closing mode and is located above the overflow system.