CN109432917B - Ore crushing and dust removing device - Google Patents
Ore crushing and dust removing device Download PDFInfo
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- CN109432917B CN109432917B CN201811591456.4A CN201811591456A CN109432917B CN 109432917 B CN109432917 B CN 109432917B CN 201811591456 A CN201811591456 A CN 201811591456A CN 109432917 B CN109432917 B CN 109432917B
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- dust removing
- water spraying
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- 239000000428 dust Substances 0.000 title claims abstract description 231
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 122
- 238000005507 spraying Methods 0.000 claims abstract description 68
- 239000010865 sewage Substances 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000000979 retarding effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 1
- 239000011707 mineral Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 15
- 238000013019 agitation Methods 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Separation Of Particles Using Liquids (AREA)
- Cyclones (AREA)
Abstract
The invention discloses an ore crushing and dust removing device, which mainly comprises a base, a conveying device, a dust removing chamber, a crusher, a water spraying device, a feed inlet, a discharge outlet, a water collecting tank, a sewage tank and a clear water tank, wherein the dust removing chamber is fixed on the base and arranged at the upper part of the conveying device; the dust collector adopts a three-stage dust collection mode combining closed dust collection and wet dust collection, and can realize high recovery rate and low overflow rate of dust during ore crushing, thereby improving the operation environment of an ore crushing site and improving the health of operators.
Description
Technical Field
The invention belongs to the technical field of mining equipment, and particularly relates to an ore crushing and dedusting device.
Background
In the mining process of mines, the ore is required to be crushed, refined, screened and the like, wherein the crushing is certainly the first step of the whole process, and the ore can be subjected to subsequent refining operation only after being crushed, so that the crushing process is particularly important.
During the ore crushing process and the process of crushing and feeding, a large amount of dust is generated, the dust is not treated, the personnel health of the operation site is seriously endangered, the operation environment of the site is polluted, the operation blockage of other mechanical equipment in the site can be caused by the falling dust, and in addition, the purity of the ore can be improved only by removing the dust before entering the next process.
Disclosure of Invention
The invention aims to provide an ore crushing and dedusting device with high dust recovery rate and less scattered dust.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an ore crushing and dedusting device comprises a base, a conveying device, a crusher, a feed inlet and a discharge outlet;
the conveying device is arranged on the base, the feeding port is arranged on the base and is close to the input end of the conveying device, an inclined slideway is arranged between the feeding port and the conveying device, the crusher is arranged on the base and is close to the output end of the conveying device, and the discharging port is arranged at the discharging end of the crusher; the device is also provided with a water collecting tank, a water spraying device, a clean water tank and a sewage tank;
the water collecting tank is arranged at the lower part of the conveying device and is communicated with the sewage tank through the communicating pipe;
the water spraying device is fixed on the base and is communicated with the clear water tank through a water supply pipe, and a water pump is arranged on the water supply pipe; the water spraying device comprises a first water spraying part and a second water spraying part, wherein the first water spraying part and the second water spraying part comprise a water spraying pipe communicated with a water supply pipe and a plurality of groups of spray heads arranged on the water spraying pipe, and opening and closing parts are arranged on the water spraying pipes of the first water spraying part and the second water spraying part; and the first water spraying part is arranged at the upper part of the conveying device, and the second water spraying part is arranged at the upper part of the slideway.
The principle of the invention is as follows: ore is sent to a conveying device through a feed inlet, the ore falls to dust raised by the conveying device to be upwelled, wet dust removal is carried out through a second water spraying part arranged above the ore, most of the dust is removed, and the dust which is not removed in time by the wet method is collected through a second dust collecting hood and enters a return air pipe; dust generated in the ore crushing process is concentrated at the output end of the conveying device, at the moment, a first water spraying part can be started to carry out wet dust removal, most of dust which is difficult to remove by the wet method can be collected through a first dust collecting hood arranged above the first water spraying part and enter an induced draft tube, a small part of dust is upwards flushed to a second water spraying part to be recovered through a second dust collecting hood, and finally the dust which is not removed by the wet method is guided into a sewage tank through a return air tube and the induced draft tube to be finally removed, so that the high-efficiency recovery of the dust is realized.
The invention has the beneficial effects that: the dust collector adopts the closely arranged secondary wet dust collection to remove most of dust generated by unloading and crushing stones, the upwelled dust is collected by the first dust collection cover and the second dust collection cover and finally guided into the sewage tank for dust collection, the wet dust collection has the advantages of small equipment investment, the secondary wet dust collection is added with the overflow dust collection of the sewage tank, the dust collection rate is improved, the recovery period is also relatively short, the dust low-dispersion overflow rate can greatly reduce the dust falling of subsequent production equipment, and the equipment cleaning and maintenance cost is reduced, so that the operation environment of a mine stone crushing site is optimized, and the health of personnel on the operation site is ensured.
Further, the ore crushing and dust removing device is provided with the dust hood, the dust hood comprises a first dust hood, a second dust hood and a gas collecting pipe, wherein the first dust hood is arranged above the first water spraying part, and the second dust hood is arranged above the second water spraying part; the first dust collecting cover and the second dust collecting cover are communicated with the sewage tank through a gas collecting pipe, and a negative pressure fan is arranged in the gas collecting pipe.
Furthermore, the ore crushing and dust removing device is further provided with a dust removing chamber, the dust removing chamber is obliquely arranged on the base, a blocking plate is horizontally arranged in the middle of the dust removing chamber, through holes are uniformly distributed on the blocking plate, a baffle is vertically arranged on the dust removing chamber, a certain gap is reserved between the blocking plate and the baffle, the dust removing chamber is divided into a first dust removing cavity, a second dust removing cavity and a third dust removing cavity by the blocking plate and the baffle, and the first dust removing cavity, the second dust removing cavity and the third dust removing cavity are communicated with the sewage tank through a gas collecting pipe; the air collecting pipe comprises an air guide pipe and an air return pipe, one end of the air return pipe is communicated with the third dust removing cavity, and the other end of the air return pipe is communicated with the first dust removing cavity or the second dust removing cavity; one end of the air entraining pipe is communicated with the second dust removing cavity, and the other end of the air entraining pipe is communicated with the sewage tank; the first water spraying part is arranged at the lower part of the retarding plate, the second water spraying part is arranged at the top of the dust removing chamber, and the included angle between the retarding plate and the horizontal part of the base is 15-45 degrees.
Furthermore, in the ore crushing and dust removing device, a dust remover is further arranged between the air guide pipe and the sewage tank.
Further, the ore crushing and dust removing device is a wet dust remover, and the wet dust remover comprises an air inlet pipe, an air guide, an agitating tank, a slurry tank, a solution tank, a one-way valve, an exhaust pipe, a fan, a mud discharging valve, a liquid injection pipe and an overflow tank; the air inlet pipe is arranged at the upper part of the air guide, the upper part of the air guide is provided with an exhaust pipe and a fan, the lower part of the air guide is connected with an agitating tank, the lower part of the agitating tank is connected with a slurry tank, the lower part of the air guide is connected with the agitating tank and the slurry tank, the solution tank is arranged between the agitating tanks, the lower part of the agitating tank is provided with an air accommodating tank, the agitating tank stretches into the Rong Qixiang, and the one-way valve is arranged between Rong Qixiang and the solution tank; one side of the mud tank is connected with an overflow tank, a communication pipe communicated with an exhaust pipe is arranged on the overflow tank, a liquid injection pipe horizontally arranged is arranged on the side wall of the mud tank, the liquid injection pipe is communicated with the sewage tank, and a mud discharge valve is arranged at the bottom of the mud tank.
Further, according to the ore crushing and dust removing device, the oscillating groove close to the one-way valve is connected with the air release pipe through the two-way pipe, the other end of the air release pipe is introduced into the upper part of the solution tank, and the air release pipe is provided with the opening and closing valve.
Further, the ore crushing and dust removing device is characterized in that a buffer water tank and a filtering water tank are further arranged between the wet dust remover and the clean water tank in sequence.
Further, the ore crushing dust collector, no. two dust removal chambeies and No. three dust removal intracavity upper portions all are equipped with the flue gas inductor, and the clean room outside is equipped with two PLC controllers, and the flue gas inductor in No. two dust removal chambeies passes through the PLC controller and is connected with the negative pressure fan electricity in the air entrainment tuber pipe, the flue gas inductor in No. three dust removal chambeies passes through another PLC controller and is connected with the negative pressure fan electricity in the return air pipe.
Drawings
FIG. 1 is a sectional view of an ore crushing dust collector of embodiment 1 of the present invention;
FIG. 2 is a top view of a conveyor according to an embodiment of the invention;
FIG. 3 is a cross-sectional view of an ore crushing dust collector of embodiment 3 of the present invention;
fig. 4 is a top view of a blocker plate of an embodiment of the present invention;
fig. 5 is a cross-sectional view of a wet scrubber according to an embodiment of the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a slide A1, a base 1, a conveying device 2, a crusher 3, a feed inlet 4, a dust chamber 5, a water collecting tank 6, a water spraying device 7, a sewage tank 8, a water supply pipe 9, a buffer water tank 10, a filter water tank 11, a clean water tank 12, a water pump 13, a blocking plate 14, a baffle 15, a gas collecting pipe 17, a bleed air pipe 17a, a return air pipe 17b, a dust remover 18, a negative pressure fan 19, a first dust hood 20, an opening and closing member 21, a spray head 22, a flue gas sensor 23, a PLC controller 24, a second dust hood 25, a first dust chamber 51, a second dust chamber 52, a third dust chamber 53, a first water spraying part 71, a second water spraying part 72, a water spraying pipe 73, a discharge outlet 74, a through hole 141, an air inlet pipe 181, an air guide 182, an agitation tank 183, a container tank 184, a slurry tank 185, a fan 186, an exhaust pipe 187, a liquid injection pipe 188, an overflow tank 189, a check valve 191, a solution tank 192, a mud valve 193, a joint 194, a gas discharge pipe 195, and an air outlet pipe 196.
Example 1: referring to fig. 1 and 2
The ore crushing and dedusting device mainly comprises a base 1, a conveying device 2, a crusher 3, a feed inlet 4 and a discharge outlet 74;
the conveying device 2 is arranged on the base 1, the feed inlet 4 is arranged on the base 1 and is close to the input end of the conveying device 2, an inclined slideway A1 is arranged between the feed inlet 4 and the conveying device 2, the crusher 3 is arranged on the base 1 and is close to the output end of the conveying device 2, and the discharge outlet 74 is arranged at the discharge end of the crusher 3; the sewage treatment device is also provided with a water collecting tank 6, a water spraying device 7, a clean water tank 12 and a sewage tank 8;
the water collecting tank 6 is arranged at the lower part of the conveying device 2, and the water collecting tank 6 is communicated with the sewage tank 8 through a communicating pipe;
the water spraying device 7 is fixed on the base 1 and is communicated with the clear water tank 12 through a water supply pipe 9, and a water pump 13 is arranged on the water supply pipe 9; the water spraying device 7 comprises a first water spraying part 71 and a second water spraying part 72, wherein the first water spraying part 71 and the second water spraying part 72 comprise a water spraying pipe 73 communicated with the water supply pipe 9 and a plurality of groups of spray heads 22 arranged on the water spraying pipe 73, and opening and closing pieces 21 are arranged on the water spraying pipe 73 of the first water spraying part 71 and the second water spraying part 72; the first water spraying portion 71 is provided at the upper portion of the conveyor 2, and the second water spraying portion 72 is provided at the upper portion of the slide A1.
Ore is conveyed through a feed port 4 and enters a conveying device 2 through a slideway A1, the ore falls to dust raised by the conveying device 2 to surge, wet dust removal is carried out through a second water spraying part 72 arranged above the ore, most of the dust is removed, dust generated in the ore crushing process is concentrated at the output end of the conveying device 2, a first water spraying part 71 can be started to carry out wet dust removal, and the dust raised by the conveying device 2 during crushing is gradually reduced, so that the second water spraying part 72 can be closed during crushing; the arrangement mode not only effectively removes dust, but also reduces the water consumption of the wet process, thereby reducing the dust removal cost.
Example 2: referring to fig. 1 and 2
The difference from embodiment 1 is that a dust hood is further provided, the dust hood including a first dust hood 20, a second dust hood 25, and a gas collecting pipe 17, wherein the first dust hood 20 is disposed above the first water spray part 71, and the second dust hood 25 is disposed above the second water spray part 72; the first dust hood 20 and the second dust hood 25 are communicated with the sewage tank 8 through a gas collecting pipe 17, and a negative pressure fan 19 is arranged in a pipeline of the gas collecting pipe 17.
Dust which is not removed in time by the wet method is collected by a second dust hood 25 and enters an air return pipe 17b; dust generated in the ore crushing process is concentrated at the output end of the conveying device 2, at the moment, the first water spraying part 71 can be started to carry out wet dust removal, most of dust which is difficult to remove by the wet method can be collected through the first dust collecting hood 20 arranged above the first water spraying part 71 and enter the air guide pipe 17a, a small part of dust is upwards gushed into the second water spraying part 72 to be recovered through the second dust collecting hood 25, and finally the dust which is not removed by the wet method is guided into the sewage tank 8 through the air collecting pipe 17 to be finally removed, so that the high-efficiency recovery of the dust is realized.
Example 3: referring to fig. 3 and 4
Compared with the embodiment 1, the ore crushing and dust removing device is characterized by further comprising a dust removing chamber 5, wherein the dust removing chamber 5 is obliquely arranged on the base 1, a blocking plate 14 is horizontally arranged in the middle of the dust removing chamber 5, through holes 141 are uniformly distributed on the blocking plate 14, a baffle 15 is vertically arranged in the dust removing chamber 5, a certain gap is reserved between the blocking plate 14 and the baffle 15, and the dust removing chamber 5 is divided into a first dust removing cavity 51, a second dust removing cavity 52 and a third dust removing cavity 53 by the blocking plate 14 and the baffle 15; the first dust removing cavity 51, the second dust removing cavity 52 and the third dust removing cavity 53 are communicated with the sewage tank 8 through a gas collecting pipe 17, one end of a return air pipe 17b is communicated with the third dust removing cavity 53, the other end of the return air pipe is communicated with the first dust removing cavity 51 or the second dust removing cavity 52, and the gas collecting pipe 17 comprises a gas guiding pipe 17a and a return air pipe 17b; one end of the air guide pipe 17a is communicated with the second dust removing cavity 52, and the other end is communicated with the sewage tank 8; the first water spraying part 71 is arranged at the lower part of the blocking plate 14, and the second water spraying part 72 is arranged at the top of the dust chamber 5; the included angle between the blocking plate 14 and the horizontal part of the base 1 is 15-45 degrees, the too small included angle between the blocking plate 14 and the horizontal part of the base 1 affects the upper separation space of the second dust removing cavity 52 and the third dust removing cavity 53, the purpose of three-stage dust removing cannot be achieved, the investment of the outer wall of the dust removing chamber 5 can be increased due to the too large included angle, and the blocking plate 14 and the horizontal part of the base 1 are not economical, so that the included angle between the blocking plate 14 and the horizontal part of the base 1 can be balanced at 15-45 degrees.
Ore is through the feed inlet to conveyer on, dust chamber on the conveyer is closed, the dust that the ore produced carries out wet dedusting through a water spray portion on dust removal chamber upper portion, get rid of most dust, when the dust volume is great, dust that dust removal chamber processing is not enough is through the through-hole on the retardant board overflow to No. two dust removal chamber and No. three dust removal chamber, and the dust chamber is the slope setting, so when dust is full of No. two dust removal chamber, through No. two water spray portion wet treatment, dust that processing is not enough is sent through the negative pressure fan in the return air pipe and is returned again to No. one dust removal chamber or No. two dust removal chamber, carry out wet dedusting again, the dust that overflows to No. three dust removal chamber tops is sent to the sewage case through the negative pressure fan in the induced air pipe pump, thereby accomplish the high-efficient recovery of dust.
The dust collector comprises the following working steps:
(1) Ore is fed to the conveyor 2 through the feed inlet 4, the dust removing chamber 5 on the conveyor 2 is closed, dust generated in the process of guiding the ore into the conveyor 2 and conveying the ore is subjected to wet dust removing through the first water spraying part 71 at the upper part of the first dust removing cavity 51, and most of the dust is removed.
(2) The ore is broken through breaker 3, and the untimely dust of first dust removal chamber 51 processing that produces in ore breakage and the transportation work overflows to No. two dust removal chamber 52 and No. three dust removal chamber 53 through the through-hole 141 on the retardant board 14, and dust removal chamber 5 is the slope setting, so when the dust is full of No. two dust removal chamber 52, through No. two water spray part 72 wet process, the dust of processing is sent through the negative pressure fan 19 in the return air pipe 17b and is returned again to No. one dust removal chamber 51 or No. two dust removal chamber 52, carries out wet dedusting again.
(3) The dust overflowed to the top of the third dust removing cavity 53 is pumped to the sewage tank 8 through the negative pressure fan 19 in the air guide pipe 17a, so that the excessive dust is subjected to wet dust removal outside the dust removing chamber 5, the efficient recovery of ore dust is realized, and the operation environment of a working site is improved.
Example 4: referring to fig. 3 and 4
Compared with example 2 or example 3, this scheme differs mainly in that: a dust remover 18 is arranged between the air guide pipe 17a and the sewage tank 8, and the dust remover 18 can improve the removal rate of excessive dust and is convenient for cleaning the collected dust regularly.
Example 5: referring to FIG. 5
Compared with example 4, the main difference is that: the dust remover 18 is a wet dust remover, and comprises an air inlet pipe 181, an air guide 182, an agitating tank 183, a slurry tank 185, a solution tank 192, a one-way valve 191, an exhaust pipe 187, a fan 186, a mud valve 193, a liquid injection pipe 188 and an overflow tank 189; the air inlet pipe 181 is arranged at the upper part of the air guide 182, the upper part of the air guide 182 is provided with an air outlet pipe 187 and a fan 186, the lower part of the air guide 182 is connected with an agitating tank 183, the lower part of the agitating tank 183 is connected with a mud tank 185, the lower part of the air guide 182 is connected with the agitating tank 183 and the mud tank 185, the solution tank 192 is arranged between the agitating tanks 183, the lower part of the agitating tank 183 is provided with an air accommodating tank 184, the agitating tank 183 stretches into the Rong Qixiang 184, and the one-way valve 191 is arranged between the Rong Qixiang and the solution tank 192; one side of the mud tank 185 is connected with an overflow tank 189, the overflow tank 189 is provided with a communication pipe 194 communicated with an exhaust pipe 187, the side wall of the mud tank 185 is provided with a horizontally arranged liquid injection pipe 188, the liquid injection pipe 188 is communicated with the sewage tank 8, and the bottom of the mud tank 185 is provided with a mud valve 193.
The wet dust collector comprises the following working processes: the dust-containing gas enters the air inlet pipe 181 under the action of negative pressure, is uniformly distributed into the agitation tank 183 by the air guide 182, and in the agitation tank 183, the three phases of gas, liquid and solid have a severe action, part of dust particles enter the liquid in the gas containing tank 184, and the rest of dust particles are discharged out of the gas containing tank 184 and continuously move along with the air flow, are brought into the solution tank 192 through the air outlet pipe 196, and meanwhile, the liquid carried by the air flow moves upwards along the air outlet cavity of the open solution tank 192 under the action of inertia force and gas pressure. Finally, the secondary gas is pumped by a blower 186 and discharged through an exhaust pipe 187, dust is settled and condensed in the liquid in the solution tank 188, the dust is collected in the mud tank 185, the mud can be discharged through a mud valve 193 when the sediment is more, and the blower is arranged at the exhaust position of the exhaust pipe 187, so that the whole dust removing process is completed in a negative pressure environment. When the pressure of the agitation tank 183 is high, the gas is difficult to dissolve in Rong Qixiang 184 liquid, and the rest gas can be discharged into the solution tank through the gas outlet pipe.
Example 6: referring to FIG. 5
Compared with example 5, this solution differs mainly in that: the oscillation groove 183 near the check valve 191 is connected with a gas release pipe 195 through a two-way pipe, the other end of the gas release pipe 195 is communicated with the upper part of the solution tank 192, and the gas release pipe 195 is provided with an opening and closing valve; when the air pressure in the agitation tank 183 is balanced, the opening and closing valve on the air release pipe 195 is closed, so that the powder-carrying gas is maximally dissolved into the liquid in the solution tank, the dust treatment capacity in the powder-carrying gas is improved, the subsequent treatment intensity is lightened, when the air pressure in the agitation tank 183 is increased, the opening and closing valve on the air release pipe 195 is opened, when the powder-carrying gas is maximally dissolved into the liquid in the solution tank, the pressure in the agitation tank 183 can be released through the air release pipe 195, and the discharged gas enters the next stage of dust removal, so that the dust removal safety of the system is improved.
Example 7: referring to fig. 3 and 4
Compared with example 6, the main difference is that: the buffer water tank 10 and the filter water tank 11 are also arranged between the sewage tank 8 and the clean water tank 12 in sequence, the buffer water tank 10 can excessively discharge water between the sewage tank 8 and the filter water tank 11, and the water can be precipitated for use once, so that the wet process water can be recycled and added little.
Example 8: referring to fig. 3 and 4
Compared with the embodiment 3, the main difference of the scheme is that the smoke sensors 23 are arranged at the upper parts in the second dust removing cavity 52 and the third dust removing cavity 53, two PLC controllers 24 are arranged outside the dust removing chamber 5, the smoke sensors 23 in the second dust removing cavity 52 are electrically connected with the negative pressure fan 19 in the air entraining pipe 17a through the PLC controllers 24, and the smoke sensors 23 in the third dust removing cavity 53 are electrically connected with the negative pressure fan 19 in the air return pipe 17b through the other PLC controller 24; the second dust removing cavity 52 and the third dust removing cavity 53 are connected to the smoke sensor 23, and smoke parameters received by the smoke sensor 23 are connected to the PLC to drive the negative pressure fans 19 in the return air pipe 17b and the air entraining pipe 17a, so that the optimal use of resources can be realized, and unnecessary energy waste is reduced.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. An ore crushing and dedusting device comprises a base (1), a conveying device (2), a crusher (3), a feed inlet (4) and a discharge outlet (74);
the conveying device (2) is arranged on the base (1), the feeding hole (4) is arranged on the base (1) and is close to the input end of the conveying device (2), an inclined slideway (A1) is arranged between the feeding hole (4) and the conveying device (2), the crusher (3) is arranged on the base (1) and is close to the output end of the conveying device (2), and the discharging hole (74) is arranged at the discharging end of the crusher (3); the method is characterized in that: the sewage treatment device is also provided with a water collecting tank (6), a water spraying device (7), a clean water tank (12) and a sewage tank (8);
the water collecting tank (6) is arranged at the lower part of the conveying device (2), and the water collecting tank (6) is communicated with the sewage tank (8) through a communicating pipe;
the water spraying device (7) is fixed on the base (1) and is communicated with the clean water tank (12) through a water supply pipe (9), and a water pump (13) is arranged on the water supply pipe (9); the water spraying device (7) comprises a first water spraying part (71) and a second water spraying part (72), wherein the first water spraying part (71) and the second water spraying part (72) comprise a water spraying pipe (73) communicated with a water supply pipe (9) and a plurality of groups of spray heads (22) arranged on the water spraying pipe (73), and opening and closing pieces (21) are arranged on the water spraying pipes (73) of the first water spraying part (71) and the second water spraying part (72); the first water spraying part (71) is arranged at the upper part of the conveying device (2), and the second water spraying part (72) is arranged at the upper part of the slideway (A1);
the dust removing device is characterized by further comprising a dust removing chamber (5), wherein the dust removing chamber (5) is obliquely arranged on the upper parts of the first water spraying part (71) and the second water spraying part (72), a blocking plate (14) is horizontally arranged in the middle of the dust removing chamber (5), through holes (141) are densely distributed in the blocking plate (14), a baffle (15) is vertically arranged in the dust removing chamber (5), a certain gap is reserved between the blocking plate (14) and the baffle (15), and the dust removing chamber (5) is divided into a first dust removing cavity (51), a second dust removing cavity (52) and a third dust removing cavity (53) by the blocking plate (14) and the baffle (15); the first dust removing cavity (51), the second dust removing cavity (52) and the third dust removing cavity (53) are communicated with the sewage tank (8) through a gas collecting pipe (17), the gas collecting pipe (17) comprises a gas guiding pipe (17 a) and a gas returning pipe (17 b), one end of the gas returning pipe (17 b) is communicated with the third dust removing cavity (53), and the other end of the gas returning pipe is communicated with the first dust removing cavity (51) or the second dust removing cavity (52); one end of the air entraining pipe (17 a) is communicated with the second dust removing cavity (52), and the other end of the air entraining pipe is communicated with the sewage tank (8); the first water spraying part (71) is arranged at the lower part of the retarding plate (14), the second water spraying part (72) is arranged at the top of the dust chamber (5), and the included angle between the retarding plate (14) and the horizontal part of the base (1) is 15-45 degrees.
2. The ore crushing and dust removing device according to claim 1, wherein: a dust remover (18) is arranged between the gas collecting tube (17) and the sewage tank (8).
3. The ore crushing and dust removing device according to claim 2, characterized in that: the dust remover (18) is a wet dust remover, and comprises an air inlet pipe (181), an air guide (182), an agitating tank (183), a slurry tank (185), a solution tank (192), a one-way valve (191), an exhaust pipe (187), a fan (186), a mud valve (193), a liquid injection pipe (188) and an overflow tank (189); the air inlet pipe (181) and the air collecting pipe (17) are communicated, the air inlet pipe (181) is arranged at the upper part of the air guide (182), the upper part of the air guide (182) is provided with an exhaust pipe (187) and a fan (186), the lower part of the air guide (182) is connected with an agitating tank (183), the lower part of the agitating tank (183) is connected with a slurry tank (185), the lower part of the air guide (182) is connected with the agitating tank (183) and the slurry tank (185), the solution tank (192) is arranged between the agitating tanks (183), the lower part of the agitating tank (183) is provided with an air accommodating tank (184), the agitating tank (183) stretches into the Rong Qixiang (184), and the one-way valve (191) is arranged between the air accommodating tank (184) and the solution tank (192); one side of the mud tank (185) is connected with an overflow tank (189), the overflow tank (189) is provided with a communication pipe (194) communicated with an exhaust pipe (187), the side wall of the mud tank (185) is provided with a horizontally arranged liquid injection pipe (188), the liquid injection pipe (188) is communicated with the sewage tank (8), and the bottom of the mud tank (185) is provided with a mud discharge valve (193).
4. A mineral comminution dust collector according to claim 3 wherein: the agitating groove (183) close to the one-way valve (191) is connected with a gas discharge pipe (195) through a two-way pipe, the other end of the gas discharge pipe (195) is communicated with the upper part of the solution tank (192), and the gas discharge pipe (195) is provided with an opening and closing valve.
5. The ore crushing and dust removing device according to claim 4, wherein: a buffer water tank (10) and a filtering water tank (11) are also arranged between the wet dust collector and the clean water tank (12) in sequence.
6. The ore crushing and dust removing device according to claim 1, wherein: the upper portion all is equipped with flue gas inductor (23) in No. two dust removal chamber (52) and No. three dust removal chamber (53), and dust removal chamber (5) outside is equipped with two PLC controllers (24), and flue gas inductor (23) in No. two dust removal chamber (52) are connected with negative pressure fan (19) electricity in bleed air pipe (17 a) through PLC controller (24), flue gas inductor (23) in No. three dust removal chamber (53) are connected with negative pressure fan (19) electricity in return air pipe (17 b) through another PLC controller (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591456.4A CN109432917B (en) | 2018-12-25 | 2018-12-25 | Ore crushing and dust removing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591456.4A CN109432917B (en) | 2018-12-25 | 2018-12-25 | Ore crushing and dust removing device |
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| Publication Number | Publication Date |
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| CN109432917A CN109432917A (en) | 2019-03-08 |
| CN109432917B true CN109432917B (en) | 2024-03-05 |
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| CN201811591456.4A Active CN109432917B (en) | 2018-12-25 | 2018-12-25 | Ore crushing and dust removing device |
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| CN109432917A (en) | 2019-03-08 |
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