CN114851093A - Abrasive recovery device for abrasive water jet technology - Google Patents

Abstract

The invention relates to the technical field of abrasive water jet, and discloses an abrasive recovery device for an abrasive water jet technology, which comprises a lump material screening device and an abrasive recovery device, wherein the lump material screening device comprises a first shell and a first screen which are connected with each other; the aperture of the first screen is larger than that of the second screen, the water sand flow after cutting or drilling passes through the first screen and the second screen in sequence, the first screen screens rock blocks and coal blocks out, and the abrasive sand flows through the first screen and then is screened and separated out through the second screen. And a fixed clamping groove is formed in the inner side wall of the top of the second shell, and the first shell is connected to the fixed clamping groove in a clamping mode. The invention can recover the abrasive in the abrasive water jet through screening and filtering, thereby improving the recovery utilization rate of the abrasive in the abrasive water jet and reducing the production cost.

Description

Abrasive recovery device for abrasive water jet technology

Technical Field

The invention relates to the technical field of abrasive water jet, in particular to an abrasive recovery device for an abrasive water jet technology.

Background

Abrasive water jets are mixtures of high velocity moving water droplets containing gas and abrasive particles. When the abrasive water jet contacts the cut material, the kinetic energy of the abrasive water jet is absorbed by the cut material instantly, which is represented by: 1. impact action of abrasive particles and water drops on the cut material; 2. shear breaking action (i.e., cutting action) of abrasive particles and water droplets along the surface of the material to be cut; 3. the erosive effect of the gas in the abrasive water jet on the material being cut. Under the combined action of the above 3 points, the cut material is crushed to form a slot, so that the purpose of cutting and separating the material is achieved.

The water jet cutting abrasive, commonly called 'water jet cutting sand', is divided into a natural abrasive (such as a garnet abrasive) and an artificial abrasive (such as a white corundum abrasive), and the garnet natural abrasive is a material which is universally used in the world at present. The price of the abrasive is high, and how to recover the abrasive is difficult underground during mining.

Disclosure of Invention

The invention aims to provide an abrasive recovery device for an abrasive water jet technology, which solves the technical problem that abrasive is difficult to recover in the underground construction of the abrasive water jet and realizes the abrasive recovery efficiency of the water jet technology in the underground construction.

In order to achieve the above object, an embodiment of the present invention provides an abrasive recovery device for abrasive water jet technology, including a block material screening device and an abrasive recovery device, wherein the block material screening device includes a first casing and a first screen which are connected to each other, and the abrasive recovery device includes a second casing and a second screen which are connected to each other; the aperture of the first screen is larger than that of the second screen, the water sand flow after cutting or drilling passes through the first screen and the second screen in sequence, the first screen screens rock blocks and coal blocks out, and the abrasive sand flows through the first screen and then is screened and separated out through the second screen.

According to the embodiment of the invention, the aperture of the first screen is larger than that of the second screen, the mixture of the coal blocks, the rock blocks and the abrasive sand generated by the abrasive water jet sequentially passes through the first screen and the second screen along with the water flow, the coal blocks and the rock blocks generated by the abrasive water jet are separated by screening through the first screen, and the abrasive sand and the water are separated by the second screen after passing through the first screen, so that the separation of the abrasive sand and the water flow is realized, and the recovery efficiency of the abrasive sand is improved.

In a possible implementation manner, a fixed clamping groove is formed in the inner side wall of the top of the second shell, and the first shell is connected to the fixed clamping groove in a clamping mode. This possible implementation can fix first casing through the fixed slot on the second casing for rivers through first screen cloth can directly reach second screen cloth department and directly sieve abrasive material sand, have improved the recovery efficiency to abrasive material sand.

In a possible implementation manner, an opening is formed in the side wall of the second shell and located above the fixed clamping groove, and a vibration assembly and a handle are arranged on the first shell on one side where the opening is located. This possible implementation can install second casing detachably in first casing through the opening, is convenient for take out first casing, conveniently takes out the rock fragment, the coal cinder in the first casing from first casing. The vibration subassembly vibrates first casing and first screen cloth, can improve the screening effect of first screen cloth in the first casing to abrasive material sand and rock fragment, coal cinder.

In one possible embodiment, the first screen is arranged obliquely on the bottom of the first housing. In this possible implementation, the first screen cloth of slope makes abrasive material sand and rock fragment, coal cinder vibrate the lapse on first screen cloth, has improved the possibility that abrasive material sand on the first screen cloth passes through first screen cloth, has improved the screening effect of first screen cloth to abrasive material sand and rock fragment, coal cinder.

In one possible implementation, the second screen is provided on a side wall of the second housing. In this possible implementation, can discharge rivers from the lateral wall of second casing through the second screen cloth, the abrasive material sand has improved the separation effect of second casing, second screen cloth to the abrasive material sand because gravity sinks to the bottom of second casing in the second casing.

In a possible implementation manner, the number of the second screens is at least two, and each second screen is respectively arranged on different side walls of the second shell. In this possible implementation, through set up a plurality of second screens on the different lateral walls of second casing, can improve the discharge velocity of rivers from the second screen on the second casing, improved the separation effect of second casing, second screen to abrasive sand.

In a possible implementation manner, a cover plate is arranged at the top of the second shell, and a water sand flow water inlet pipe is connected to the cover plate. In this possible implementation, directly introduce the water sand flow into the second casing through water sand flow inlet pipe, be convenient for carry out direct separation to abrasive sand in the water sand flow and rock piece, coal cinder.

In a possible implementation mode, the sewage treatment device further comprises a sewage return pool, the bottom of the second shell is connected with a support, and the support is fixedly connected above the sewage return pool. Store sewage through sewage return water pond among this possible implementation, be convenient for to rivers recycle.

In a possible implementation mode, a drainage pipeline is connected to the side wall of the bottom of the sewage water return tank, and a water pump is arranged on the drainage pipeline. This possible implementation mode carries the rivers in the sewage return water pond through the water pump.

In a possible realization mode, the bottom of the sewage water return pool is provided with a roller assembly. This possible implementation mode is convenient for remove this device in the underworkings through roller assembly, is convenient for use in narrow and small space in the pit.

Drawings

Fig. 1 is a schematic cross-sectional view of an abrasive recovery apparatus for abrasive water jet technology in an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure at A in FIG. 1;

fig. 3 is a schematic front view of an abrasive recovery apparatus for abrasive water jet technology in an embodiment of the present invention;

fig. 4 is a schematic perspective view of an abrasive recovery apparatus for abrasive water jet technology in an embodiment of the present invention;

fig. 5 is a schematic perspective view of an abrasive recovery apparatus for abrasive water jet technology in an embodiment of the present invention;

FIG. 6 is a schematic view of a partial structure at B in FIG. 5;

FIG. 7 is a schematic view of a partial structure at C in FIG. 5;

in the figure, 100, a lump material screening apparatus; 110. a first housing; 111. a vibrating assembly; 112. a handle; 120 a first screen; 200. An abrasive recovery device; 210. a second housing; 211. fixing the clamping groove; 212. an opening; 213. a cover plate; 214. a water sand flow inlet pipe; 220. a second screen; 230. a support; 240. a sand taking port; 241. taking a sand plate; 300. returning the sewage to the pool; 310. a water discharge pipeline; 311. a water pump; 320. a roller assembly.

Detailed Description

Referring to the drawings, wherein like reference numbers refer to like elements, the principles of the present application are illustrated as being implemented in a suitable computing environment. The following description is based on illustrated embodiments of the application and should not be taken as limiting the application with respect to other embodiments that are not detailed herein.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The existing method for separating the abrasive materials used in the underground coal mine is to directly separate the product generated by water jet and water by using a filter screen with the aperture smaller than the grain size of abrasive material sand, and the separated water is directly discharged into a roadway, so that the roadway is wet and slippery, and the construction difficulty is improved; and no sewage generated by water jet is treated to pollute the roadway.

When a filter screen is used for directly separating the product generated by the water jet from water, the following problems exist: the filter screen separation only separates water from products generated by the water jet and cannot separate coal blocks and rock blocks mixed in the abrasive sand, so that the recovered sand cannot be directly reused, and the transportation cost of the abrasive sand in the underground environment is increased. When the abrasive sand is transported in the underground environment, the difficulty of transporting the abrasive sand is high, and the construction progress of abrasive water jet is reduced.

Therefore, the embodiment of the application provides an abrasive recovery device for abrasive water jet technology, including first screen cloth and second screen cloth, first screen cloth separates out in the water jet product in coal cinder and the rock, and the second screen cloth separates out abrasive sand from the aquatic for abrasive sand can directly carry out the reutilization.

The abrasive recovery apparatus for abrasive water jet technology according to the embodiments of the present application is described below with reference to specific examples.

As shown in fig. 1 to 7, the present embodiment includes a block material screening device 100 and an abrasive recovery device 200, the block material screening device 100 is used for collecting coal blocks and rock blocks, the abrasive recovery device 200 is used for screening abrasive sand, and after the product of the water jet is screened by the block material screening device 100 and the abrasive recovery device 200, the coal blocks, the rock blocks, the abrasive sand and sewage are separated respectively, so that the recovery effect of the abrasive sand is improved, and the abrasive sand can be directly put into use again.

The lump material screening apparatus 100 includes a first casing 110 and a first screen 120 that are connected to each other, where the first casing 110 fixes the first screen 120, and the first screen 120 is connected to the first casing 110 by a bolt, or the first casing 110 is used to connect the first screen 120 in a snap-fit manner, and the connection manner of the first casing 110 and the first screen 120 is not limited in the embodiments of the present application.

The abrasive recovery apparatus 200 includes a second housing 210 and a second screen 220 connected to each other, and the second housing 210 fixes the second screen 220.

Specifically, the aperture of the first screen 120 is larger than that of the second screen 220, the water sand flow after cutting or drilling passes through the first screen 120 and the second screen 220 in sequence, the first screen 120 screens and separates the rock blocks and the coal blocks, and the abrasive sand flow through the first screen 120 screens and separates the abrasive sand through the second screen 220. First screen cloth 120, second screen cloth 220 mutually support, can screen the separation step by step to rock piece and coal cinder, abrasive sand, have improved the recovery effect to abrasive sand.

The specific apertures of the first screen 120 and the second screen 220 may be selected according to the actual situation of abrasive water jet machining, which is not limited in the embodiments of the present application.

The proportion of various grinding materials in the grinding material sand is fixed, and the granularity of the grinding material sand is relatively uniform. When the abrasive water jet machining is used underground, coal and waste stones are cut to form black mud, and the cut coal and waste stones cannot form a stable granularity form similar to abrasive sand. Therefore, the coal blocks and rock blocks of the large blocks in the water jet product are separated, the abrasive sand separated by the first screen 120 and the second screen 220 can be directly put into secondary use, and the coal and the waste rocks are cut into black mud to enter sewage.

In some embodiments, a fixing slot 211 is disposed on an inner side wall of the top of the second housing 210, and the first housing 110 is connected to the fixing slot 211 in a clamping manner. The fixing clamping groove 211 is connected to the second housing 210 through a bolt, and the fixing clamping groove 211 can also be connected to the second housing 210 by welding.

In some embodiments, the second housing 210 may be made of metal, such as a steel plate, and the second housing 210 may also be made of plastic, and the material of the second housing 210 is not limited in this embodiment of the application.

In some embodiments, an opening 212 is formed on a side wall of the second housing 210, the opening 212 is located above the fixing slot 211, and the vibrating assembly 111 and the handle 112 are disposed on the first housing 110 on a side where the opening 212 is located. The opening 212 is directly formed in the side wall of the second housing 210, and the height of the opening 212 is greater than that of the first housing 110, so that the first housing 110 can be directly placed into the second housing 210 through the opening 212, and the first housing 110 is fixed above the fixing slot 211; the first housing 110 can also be removed from the second housing 210 through the opening 212. Through the opening 212, the ease of installation of the first housing 110 is improved.

The vibration component 111 can provide a vibration source for the first housing 110, and the vibration component 111 can be a pneumatic vibrator, and the pneumatic vibrator on the market can be selected to provide the vibration source for the first housing 110. The pneumatic vibrator is driven by high-pressure gas, vibration can be realized without electric energy, and the safety of the vibration component 111 during working is improved.

Wherein the handle 112 is mounted on the first housing 110 by bolts, the handle 112 can facilitate a worker to mount the first housing 110 in the second housing 210, or facilitate the worker to take the first housing 110 out of the second housing 210. The handle 112 may be connected to the first housing 110 in other ways, which is not limited in this embodiment.

In some embodiments, the first screen 120 is obliquely disposed on the bottom surface of the first housing 110, so that when the water flows along the first screen 120 obliquely, the abrasive sand on the first screen 120 can be driven to flow down from the first screen 120 and flow out along the screen holes of the first screen 120, and the rock and coal lumps can be conveniently screened out through the first screen 120.

In some embodiments, the inclination angle of the first screen 120 may be set to an inclination angle of 5 degrees, 10 degrees, etc. according to actual needs.

In some embodiments, a second screen 220 is provided on a sidewall of the second casing 210, the water flow in the second casing 210 can be discharged through the second screen 220, the abrasive sand is deposited in the second casing 210, and the abrasive sand can be collected through the second casing 210.

As shown in fig. 1, the bottom edge of the second screen 220 is flush with the height of the bottom plate of the second housing 210, so that water can be discharged from the second housing 210 through the second screen 220 in time, accumulated water caused by the aggregation of sewage in the second housing 210 can be avoided, and a worker can conveniently take out the abrasive sand from the second housing 210.

As shown in fig. 7, a sand taking port 240 may be disposed on a side wall of the second housing 210, the sand taking port 240 is rectangular, a sand taking plate 241 with a plate structure is mounted on the sand taking port 240, the sand taking plate 241 is hinged to the second housing 210, and a top of the sand taking plate 241 is connected to the side wall of the second housing 210 through a connecting buckle.

Specifically, when the sand-taking plate 241 on the sand-taking port 240 is opened, the abrasive sand can be taken out from the sand-taking port 240 of the second housing 210 through the scraper, which improves the convenience of taking out the abrasive sand from the second housing 210.

In some embodiments, the number of the second screens 220 is at least two, each of the second screens 220 is respectively disposed on different sidewalls of the second casing 210, and the arrangement of the plurality of second screens 220 can increase the flow rate of the water discharged from each of the second screens 220, thereby increasing the separation speed of the abrasive sand.

In some embodiments, a cover plate 213 is disposed on the top of the second housing 210, and a water sand inflow pipe 214 is connected to the cover plate 213, so that during the topping or drilling process, water can be guided into the second housing 210 through the water sand inflow pipe 214 to facilitate the screening of the product of the water jet.

In some embodiments, the present application further includes a sewage returning pool 300, the sewage returning pool 300 is used for recovering sewage, a bracket 230 is connected to the bottom of the second housing 210, the bracket 230 is fixedly connected above the sewage returning pool 300, and the bracket 230 supports the second housing 210 in the sewage returning pool 300. The sewage that the water jet produced can be retrieved through sewage return water pond 300, avoids polluting the tunnel.

Preferably, a drainage pipeline 310 is connected to the bottom side wall of the sewage return tank 300, and a water pump 311 is arranged on the drainage pipeline 310. The sewage can be discharged from the sewage backwater pool 300 through the water discharge pipeline 310 and the water pump 311 to intensively purify the sewage in the sewage backwater pool 300.

Preferably, the bottom of the sewage backwater pool 300 is provided with a roller assembly 320, the roller assembly 320 may be connected to the bottom of the sewage backwater pool 300 through a bolt, and the roller assembly 320 may be a universal wheel.

The use of the terms "a" and "an" and "the" and similar referents in the context of describing the concepts of the application (especially in the context of the following claims) are to be construed to cover both the singular and the plural. Moreover, unless otherwise indicated herein, recitation of ranges of values herein is merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited herein. In addition, the steps of all methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The variations of the present application are not limited to the described order of the steps. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the concepts of the application and does not pose a limitation on the scope of the concepts of the application unless otherwise claimed. Various modifications and adaptations will be apparent to those skilled in the art without departing from the spirit and scope.

The above detailed descriptions of the devices and apparatuses provided in the embodiments of the present application, and the specific examples applied herein have been provided to explain the principles and embodiments of the present application, and the descriptions of the above embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. An abrasive recovery device for abrasive water jet technology, characterized by comprising a block screening device (100) and an abrasive recovery device (200), wherein the block screening device (100) comprises a first shell (110) and a first screen (120) which are connected with each other, and the abrasive recovery device (200) comprises a second shell (210) and a second screen (220) which are connected with each other;

the aperture of the first screen (120) is larger than that of the second screen (220), the water sand flow after cutting or drilling passes through the first screen (120) and the second screen (220) in sequence, the first screen (120) screens and separates out rock blocks and coal blocks, and the abrasive sand flows through the first screen (120) and then is screened and separated out through the second screen (220).

2. The abrasive recovery device for abrasive water jet technology of claim 1, wherein the second housing (210) is provided with a fixed clamping groove (211) on the inner side wall of the top, and the first housing (110) is connected to the fixed clamping groove (211) in a clamping manner.

3. The abrasive recovery device for abrasive waterjet technology according to claim 2, characterized in that the second housing (210) is provided with an opening (212) in a side wall thereof, the opening (212) is located above the fixed clamping groove (211), and the first housing (110) is provided with the vibration assembly (111) and the handle (112) at a side where the opening (212) is located.

4. Abrasive recovery device for abrasive waterjet technology according to claim 3, characterized in that the first screen (120) is obliquely arranged on the bottom surface of the first housing (110).

5. Abrasive recovery device for abrasive waterjet technology according to claim 1, characterized in that the second screen (220) is provided on a side wall of the second housing (210).

6. Abrasive recovery device for abrasive waterjet technology according to claim 5, characterized in that the number of second screens (220) is at least two, each second screen (220) being provided on a different side wall of the second housing (210).

7. Abrasive recovery device for abrasive water jet technology according to claim 2, characterized in that the second housing (210) is provided with a cover plate (213) on top, the cover plate (213) being connected to a water sand inflow pipe (214).

8. The abrasive recovery device for abrasive water jet technology according to claim 1, further comprising a sewage backwater tank (300), wherein a bracket (230) is connected to the bottom of the second housing (210), and the bracket (230) is fixedly connected above the sewage backwater tank (300).

9. The abrasive recovery apparatus for abrasive water jet technology according to claim 8, wherein a drain pipe (310) is connected to a bottom side wall of the wastewater return tank (300), and a water pump (311) is provided on the drain pipe (310).

10. Abrasive recovery device for abrasive waterjet technology according to claim 9, characterized in that the bottom of the wastewater backwater tank (300) is provided with a roller assembly (320).

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