CN212397469U

CN212397469U - Washing screening plant of coal

Info

Publication number: CN212397469U
Application number: CN202020547014.6U
Authority: CN
Inventors: 盛建强; 李国中
Original assignee: Henan Jindadi Chemical Industry Co Ltd
Current assignee: Henan Jindadi Chemical Industry Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-01-26
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a washing screening technical field just discloses a washing screening plant of coal, including wasing the jar, circular logical groove has been seted up at the top of wasing the jar, it opens hopper down to cup joint in the circular logical groove, the top fixedly connected with stationary flow bucket of wasing jar inner wall, the below of wasing jar inner chamber has cup jointed the ring pipe, the wiper mechanism has been cup jointed in the ring pipe. The utility model discloses a to the improvement of wasing the jar, it is provided with division board and second grade isolation otter board to wash the jar, like this when coal falls down from opening down in the hopper, through the washing, coal can be shone and fall into the coarse grain, the state of well granule and fine particle, coal ash can be discharged from outer ash pipe of arranging like this, discharge in the first outer calandria of can following respectively of coarse grain and well granule, current treatment mode like this can guarantee that coal ash is collected, and whole screening process goes on in succession, the efficiency of screening has been improved.

Description

Washing screening plant of coal

Technical Field

The utility model relates to a washing screening technical field specifically is a washing screening plant of coal.

Background

The coal is mainly composed of elements such as carbon, hydrogen, oxygen, nitrogen, sulfur, phosphorus and the like, and the sum of the carbon, the hydrogen and the oxygen accounts for more than 95% of organic matters, so that the coal is a very important energy source and is also an important raw material for metallurgy and chemical industry.

Coal needs to be classified when leaving a factory, and the classified treatment includes that coal ash, fine coal, medium coal and coarse coal are concentrated, and screening treatment is carried out by adopting a screening device in a common mode, so that dust is easily raised in the coal ash, the loss of the coal ash can be caused, screening needs to be completed through three to four steps, and the operation efficiency is slowed down.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a washing screening plant of coal has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal washing and screening device comprises a washing tank, wherein the top of the washing tank is provided with a circular through groove, an open blanking hopper is sleeved in the circular through groove, a steady flow barrel is fixedly connected with the top of the inner wall of the cleaning tank, an annular pipe is sleeved below the inner cavity of the cleaning tank, a cleaning mechanism is sleeved in the annular pipe, the cleaning mechanism is sleeved with a separation plate, the top of the separation plate is annularly provided with a blanking through groove, a secondary isolation screen plate is sleeved in the inner cavity of the cleaning tank and positioned below the cleaning mechanism, the bottom of the cleaning tank is fixedly connected with a blanking straight barrel, the bottom end of the blanking straight barrel is sleeved with an outer ash discharge pipe, the left side and the right side of the cleaning tank are respectively provided with a first flushing valve pipe and a first outer discharge pipe above the isolation plate, the left side and the right side of the cleaning tank are positioned above the secondary isolation screen plate and are respectively provided with a second flushing valve pipe and a second external discharge pipe.

A washing screening plant of coal, it is preferred, the stationary flow bucket includes the staving, the stationary flow board has been cup jointed to the below of staving inner chamber, the feed chute of a plurality of upper and lower intercommunications is seted up to the edge at stationary flow board top.

A washing screening plant of coal, preferred, wiper mechanism includes the spiral water pipe, the circular basin in top on spiral water pipe surface, circular basin in-connection has the spray pipe, the top intercommunication of spray pipe has the pressure nozzle.

A washing screening plant of coal, it is preferred, wash one side of jar and pass through support plate fixedly connected with high pressure water pump, high pressure water pump's play water end pass through the connecting pipe with spiral water pipe's the end intercommunication of intaking.

If a washing screening plant of coal, preferred, the otter board is kept apart for the slope setting to the second grade, just the left side that the otter board was kept apart to the second grade is higher than its right side.

The utility model provides a washing screening plant of coal. The method has the following beneficial effects:

(1) the utility model discloses a to the improvement of wasing the jar, it is provided with division board and second grade isolation otter board to wash the jar, like this when coal falls down from opening down in the hopper, through washing, coal can be shone and fall into the coarse grain, the state of well granule and fine particle, coal ash can be discharged from outer ash pipe of arranging like this, discharge in the outer calandria of first outer calandria and second respectively of coarse grain and well granule, current treatment mode like this can guarantee that coal ash is collected, and whole screening process goes on in succession, the efficiency of screening has been improved.

(2) The utility model discloses a to wiper mechanism's use, high pressure water pump has increased the impact force of wiper mechanism drainage, and the mode that washes from bottom to top like this can make the quick quilt of coal of wasing jar inner chamber below mix, and when the coal of below mixes like this, the flow that the top coal can be quick has increased the falling speed of coal like this, also is inside water mix like this to the speed of screening has been increased.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a top view of the flow stabilizing barrel of the present invention;

fig. 3 is a schematic view of the structure cleaning mechanism of the present invention.

In the figure: 1 cleaning tank, 2 open blanking hopper, 3 steady flow bucket, 31 staving, 32 steady flow board, 33 blanking groove, 4 ring pipes, 5 cleaning mechanism, 51 spiral water pipe, 52 spray pipe, 53 spray pressure nozzle, 6 division board, 7 high pressure water pump, 8 connecting pipes, 9 first flushing valve pipe, 10 first outer calandria, 11 second flushing valve pipe, 12 second outer calandria, 13 blanking straight bucket, 14 outer ash discharge pipes, 15 second grade isolation otter board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a coal washing and screening device comprises a washing tank 1, wherein a circular through groove is formed in the top of the washing tank 1, an open blanking hopper 2 is sleeved in the circular through groove, a steady flow barrel 3 is fixedly connected to the top of the inner wall of the washing tank 1, a ring pipe 4 is sleeved below the inner cavity of the washing tank 1, a washing mechanism 5 is sleeved in the ring pipe 4, a partition plate 6 is sleeved on the washing mechanism 5, a blanking through groove is formed in the top of the partition plate 6 in an annular shape, a secondary isolation screen plate 15 is sleeved below the washing mechanism 5 in the inner cavity of the washing tank 1, a blanking straight barrel 13 is fixedly connected to the bottom of the washing tank 1, an outer ash discharge pipe 14 is sleeved at the bottom end of the blanking straight barrel 13, a first flushing valve pipe 9 and a first outer discharge pipe 10 are respectively arranged above the partition plate 6 on the left side and the right side of the washing tank 1, and the first flushing valve pipe 9 and a second flushing valve pipe 11 can increase the efficiency of, the left side and the right side of the cleaning tank 1 are respectively provided with a second flushing valve pipe 11 and a second external discharge pipe 12 above the secondary isolation screen plate 15. Wash jar and be provided with division board 6 and second grade isolation otter board 15, like this when coal falls down from opening hopper 2 down, through the washing, coal can be shone into coarse grain, well granule and fine particle's state, coal ash can be followed outer ash discharge pipe 14 of arranging like this, discharge in first outer calandria 10 and the outer calandria 12 of second can be followed respectively to coarse grain and well granule, current treatment mode like this, can guarantee that coal ash is collected, and whole screening process goes on in succession, the efficiency of screening has been improved

In order to ensure that the coal for blanking is stably scattered in the cleaning tank 1, the flow stabilizing barrel 3 comprises a barrel body 31, a flow stabilizing plate 32 is sleeved below the inner cavity of the barrel body 31, and a plurality of blanking grooves 33 which are communicated up and down are formed in the edge of the top of the flow stabilizing plate 32, so that the coal falling is slowly scattered, and the condition that the screening is stopped due to the fact that the quantity of the inner part is too large is avoided.

In order to guarantee that coal can not appear the condition of jam in the cleaning process, wiper mechanism 5 includes spiral water pipe 51, the circular basin in top on spiral water pipe 51 surface, circular basin in-connection has spray pipe 52, the top intercommunication of spray pipe 52 has pressure nozzle 53, support plate fixedly connected with high pressure water pump 7 is passed through to one side of wasing jar 1, high pressure water pump 7's play water end is through the end intercommunication of intaking of connecting pipe 8 with spiral water pipe 51, high pressure water pump 7 is the frequency conversion design, spray water to inside at interval time like this, make the accumulational coal secondary upstream on division board 6 top, can avoid appearing the problem of jam like this.

Can increase the efficiency of arranging the material like this, second grade isolation otter board 15 is the slope setting, and second grade isolation otter board 15's left side is higher than its right side.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a washing screening plant of coal, includes washing jar (1), its characterized in that: the top of the cleaning tank (1) is provided with a circular through groove, an open blanking hopper (2) is sleeved in the circular through groove, a steady flow barrel (3) is fixedly connected to the top of the inner wall of the cleaning tank (1), a ring-shaped pipe (4) is sleeved below the inner cavity of the cleaning tank (1), a cleaning mechanism (5) is sleeved in the ring-shaped pipe (4), a separation plate (6) is sleeved on the cleaning mechanism (5), a blanking through groove is annularly formed in the top of the separation plate (6), a secondary isolation mesh plate (15) is sleeved below the cleaning mechanism (5) in the inner cavity of the cleaning tank (1), a blanking straight barrel (13) is fixedly connected to the bottom of the cleaning tank (1), an outer ash discharge pipe (14) is sleeved at the bottom of the blanking straight barrel (13), a first flushing valve pipe (9) and a first outer discharge pipe (10) are respectively arranged above the separation plate (6) on the left side and the right side of the cleaning tank (1), the left side and the right side of the cleaning tank (1) are respectively provided with a second flushing valve pipe (11) and a second external discharge pipe (12) above the secondary isolation screen plate (15).

2. A coal washing and screening device as claimed in claim 1, wherein: the flow stabilizing barrel (3) comprises a barrel body (31), a flow stabilizing plate (32) is sleeved below an inner cavity of the barrel body (31), and a plurality of feeding grooves (33) which are communicated up and down are formed in the edge of the top of the flow stabilizing plate (32).

3. A coal washing and screening device as claimed in claim 1, wherein: the cleaning mechanism (5) comprises a spiral water pipe (51), a circular water tank is arranged at the top of the surface of the spiral water pipe (51), a water spraying pipe (52) is communicated in the circular water tank, and a pressure spraying nozzle (53) is communicated at the top of the water spraying pipe (52).

4. A coal washing and screening device as claimed in claim 3, wherein: one side of the cleaning tank (1) is fixedly connected with a high-pressure water pump (7) through a support plate, and the water outlet end of the high-pressure water pump (7) is communicated with the water inlet end of the spiral water pipe (51) through a connecting pipe (8).

5. A coal washing and screening device as claimed in claim 1, wherein: the secondary isolation mesh plate (15) is obliquely arranged, and the left side of the secondary isolation mesh plate (15) is higher than the right side thereof.