CN212914830U - A environmental protection dust collector for ore crushing - Google Patents
A environmental protection dust collector for ore crushing Download PDFInfo
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- CN212914830U CN212914830U CN202020556334.8U CN202020556334U CN212914830U CN 212914830 U CN212914830 U CN 212914830U CN 202020556334 U CN202020556334 U CN 202020556334U CN 212914830 U CN212914830 U CN 212914830U
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Abstract
The utility model provides an environment-friendly dust removal device for ore crushing, which comprises a water film purification device, a water mist separation device and a water storage tank; the water mist separation device comprises a water mist separation box body, a water collecting plate fixedly connected inside the water mist separation box body and a water drainage box communicated with a water outlet of the water mist separation box body; after the air flow enters the water mist separation device, the flow velocity is obviously slowed down along with gradual lifting, the kinetic energy and the temperature are reduced, the water vapor is changed into water drops and is condensed on the water collection plate, and the water drops dropping from the water collection plate are discharged through the drainage box, so that the water mist separation is realized; the water collecting plate is made of hydrophobic materials, condensed water can smoothly flow down, and the problem of material corrosion is solved. The drainage box not only ensures the sealing problem of the water mist separation device, but also can lead out water, and has good use effect.
Description
Technical Field
The invention belongs to the technical field of dust removal, and particularly relates to an environment-friendly dust removal device for ore crushing.
Background
Ore crushing is the most basic processing method for converting ore into applicable products, and the method is that various prepared raw materials such as concentrate and recovered waste are proportioned and put into an ore crusher for crushing. The dust is very big when crushing, and dust removal is necessary.
Common dust collectors include a bag-type dust collector, an electrostatic dust collector and a water film dust collector, the three types of dust collectors have advantages and disadvantages in aspects of purification efficiency, energy consumption, cost and the like, but as for mineral powder, the bag-type dust collector is adopted, viscous materials in the mineral powder can be adhered to a filter bag of the bag-type dust collector and cannot be shaken off, and the dust collection efficiency becomes very low after a long time; in addition, the ore powder also contains metal particles, so that the electrostatic dust collector is not suitable for use because the electrostatic dust collector cannot adsorb the metal particles; in view of these factors, water film dust collector is the best choice for treating ore powder. The ore crushing and dust removing device disclosed in the prior patent CN201720016775.7 adopts the prior cloth bag dust removing technology, so that the dust is not thoroughly removed, and the environmental protection requirement cannot be met.
In the prior art, tail gas at the outlet of a water film dust collector contains relatively concentrated water vapor, and a large amount of dust particles are wrapped in the water vapor, which is an important factor causing the low efficiency of the water film dust collector; part of the dust collectors are provided with centrifugal water mist separation devices, the centrifugal water mist separation devices separate water mist by means of centrifugal force generated by air flow in a rotary pipeline, the structure of the device is more complicated, and the volume of the centrifugal water mist separation devices of the dust collectors with larger drift diameters is also increased; centrifugal water smoke separator generally can require the air current to be higher than a certain velocity of flow value, and the higher the velocity of flow the better the separation effect, but the higher the velocity of flow, the shorter air current and water film contact time to influence water film dust fall efficiency.
The invention content is as follows:
the invention provides an environment-friendly dust removal device for ore crushing, which can effectively improve the dust removal efficiency.
The invention adopts the following technical scheme that,
the utility model provides an environmental protection dust collector for ore crushing, including the breaker that is equipped with the feed inlet, with the water film purifier of breaker feed inlet intercommunication, with water smoke separator of water film purifier intercommunication and be used for the tank of plumbing.
The water film purification device is respectively provided with a water film purification device air outlet and a water film purification device air inlet, and the water mist separation device is respectively provided with a water mist separation device air inlet and a water mist separation device air outlet; the exhaust port of the water film purification device is communicated with the air inlet of the water mist separation device; the water film purification device is provided with a water film purification device water outlet which is communicated with the water storage tank; the water mist separation device is provided with a water outlet of the water mist separation device, and the water outlet of the water mist separation device is communicated with the water storage tank; and waste dust generated by ore crushing enters from the air inlet of the water film purification device and is discharged from the air outlet of the water mist separation device after dust removal.
Further, the water film purification device comprises a water film purification box body, an overhead sprinkler head for dust fall, a bottom sprinkler head for dust fall and a water film plate for guiding dust-containing waste gas; the overhead sprinkler head is fixedly connected to the inner surface of the top plate of the water film purification box body; the bottom-mounted water spray head is fixedly connected to the inner surface of the bottom plate of the water film purification box body; the water film plate is fixedly arranged on the inner surface of the water film purifying box body and is vertical to the central line of the air inlet of the water film device.
Further, the water mist separation device comprises a water mist separation box body and a drainage box for draining the dust-containing sewage; the water mist separation box body comprises a water mist separation box body bottom plate, a water mist separation box body top plate, a water collecting plate, a water mist separation box body side plate and a front baffle plate and a rear baffle plate; a water mist separating device air inlet is formed in the bottom plate of the water mist separating box body, a water mist separating device air outlet is formed in the top plate of the water mist separating box body, and a water mist separating device water outlet is formed in one side of the side plate of the water mist separating box body, which is close to the bottom plate of the water mist separating box body; the water discharging box is provided with a water discharging box water inlet which is communicated with a water discharging port of the water mist separation device; the water collecting plate and the bottom plate of the water mist separation box body form an acute angle (arrangement) smaller than 70 degrees.
Furthermore, the water film purification box body is cubic, and comprises a water film purification box body bottom plate provided with a water film purification device water outlet for draining water, a water film purification box body first side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air inlet, a water film purification box body second side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air outlet, a water film purification box body top plate which is vertically and fixedly connected with the water film purification box body first side plate, and a water film purification box body third side plate and a water film purification box body fourth side plate which are respectively and fixedly connected with the water film purification box body first side plate, wherein the water film purification box body first side plate is parallel to the water film purification box; the third side plate of the water film purification box body is parallel to the fourth side plate of the water film purification box body and is vertical to the central line of the air inlet of the water film purification device; one end of the water film plate is vertically and fixedly connected with the third side plate of the water film purification box body, and the other end of the water film plate is vertically and fixedly connected with the fourth side plate of the water film purification box body.
Further, the water film board divide into two sets ofly, first group water film board certainly water film purifier air inlet extremely water film purifier gas vent direction rises in proper order and arranges, and second group water film board certainly water film purifier air inlet descends in proper order to water film purifier outlet direction and arranges, and the water film board of first group and second group water film board closest to water film purifier air inlet one side unites two into one from top to bottom.
Further, the surface material of the water collecting plate comprises polytetrafluoroethylene or fluorinated polyethylene.
Further, the air inlet of the water mist separation device is arranged on one side, close to the lower connecting end of the water collecting plate, of the water mist separation box body.
Further, the drainage box includes the drainage box body, with the awl mouth pipe of drainage box body outlet intercommunication, be used for the steel ball of sealed awl mouth pipe and compress tightly the spring of steel ball, the drainage box water inlet with water smoke separator outlet intercommunication.
The invention has the following positive effects: an environment-friendly dust removal device for ore crushing is characterized in that a water mist separation device is manufactured by adopting a chimney principle, a water collecting plate is arranged in the water mist separation device, in the flowing process of air flow, the air flow is gradually lifted, the flow speed is obviously slowed down after the air flow enters a box body, the kinetic energy and the temperature are reduced, water vapor is changed into water drops and condensed on the water collecting plate, the water drops dropping from the water collecting plate are discharged through a drainage box, and therefore water mist separation is achieved; the water collecting plate is made of hydrophobic materials, so that condensed water can smoothly flow down, and the problem of material corrosion is solved; the water film purification device adopts a modular design, and the exhaust port is designed at the top end, so that a plurality of units can be conveniently connected for use. The drainage box leads out water by means of the gravity of the collected water, so that the sealing problem of the water mist separation device is guaranteed, the water can be led out, and the use effect is good.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a water mist separator according to the present invention;
fig. 3 is a schematic view of the structure of the drain box of the present invention.
In the figure: the water film dust removal device comprises a crusher 1, a water film dust removal device 10, a water film purification box body 110, a water film dust removal device water outlet 11, a water film purification device air inlet 12, a water film dust removal device air outlet 112, a top-mounted water spray head 120, an induced draft fan 115, a bottom-mounted water spray head 130, a water film plate 140, a water mist separation device 20, a water mist separation box body 210, a water mist separation box body bottom plate 211, a water mist separation box body top plate 212, a water mist separation box body side plate 213, a water collection plate 220, a water mist separation device air inlet 221, a water mist separation device air outlet 222, a water mist separation device water outlet 223, a water mist blocking plate 224, a water discharge box 230, a conical opening guide pipe 240, a steel ball 250, a.
Detailed Description
Example 1
As shown in figure 1, the environment-friendly dust removal device for ore crushing comprises a crusher 1 provided with a feeding hole, a water film purification device 10 communicated with the feeding hole of the crusher 1, a water mist separation device 20 communicated with the water film purification device 10 and a water storage tank for supplying and draining water.
The water film purification device 10 is respectively provided with a water film purification device exhaust port 112 and a water film purification device air inlet 12, and the water mist separation device 20 is respectively provided with a water mist separation device air inlet 221 and a water mist separation device exhaust port 222; the water film purification device exhaust port 112 is communicated with the water mist separation device air inlet 221; the water film purification device 10 is provided with a water film purification device water outlet 11, and the water film purification device water outlet 11 is communicated with the water storage tank; the water mist separation device 20 is provided with a water mist separation device water outlet 223, and the water mist separation device water outlet 223 is communicated with the water storage tank; and waste dust generated by ore crushing enters from the air inlet 12 of the water film purification device, is dedusted and is discharged from the air outlet 222 of the water mist separation device.
The water film purification device 10 comprises a water film purification box body 110, an overhead sprinkler head 120 for dust fall, a bottom sprinkler head 130 for dust fall and a water film plate 140 for guiding dust-containing waste gas; the overhead sprinkler head 120 is fixedly connected to the inner surface of the top plate of the water film purification tank body 110; the bottom-mounted water spray head 130 is fixedly connected to the inner surface of the bottom plate of the water film purification box body 110; the water film plate 140 is fixedly arranged on the inner surface of the water film purification box body 110, and the water film plate 140 is perpendicular to the central line of the air inlet 12 of the water film purification device;
the water mist separation device 20 comprises a water mist separation box body 210 and a drainage box 230 for draining dirty water containing dust; the water mist separation tank 210 includes a water mist separation tank bottom plate 211, a water mist separation tank top plate 212, a water collection plate 220, a water mist separation tank side plate 213, and front and rear baffle plates. A water mist separating device air inlet 221 is formed in the bottom plate 211 of the water mist separating box body, a water mist separating device air outlet 222 is formed in the top plate 212 of the water mist separating box body, and a water mist separating device water outlet 223 is formed in one side, close to the bottom plate 211, of the water mist separating box body side plate 213; the water discharge box 230 is provided with a water discharge box water inlet which is communicated with the water discharge port 223 of the water mist separation device; the water mist separation box body bottom plate 211 is horizontally arranged, and the water collecting plate 220 and the water mist separation box body bottom plate 211 are arranged at an acute angle smaller than 70 degrees.
The water film purification box body 110 is cubic, the water film purification box body 110 comprises a water film purification box body bottom plate provided with a water film purification device water outlet 11 for draining water, a water film purification box body first side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air inlet 12, a water film purification box body second side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air outlet 112, a water film purification box body top plate which is vertically and fixedly connected with the water film purification box body first side plate, and a water film purification box body third side plate and a water film purification box body fourth side plate which are respectively and fixedly connected with the water film purification box body first side plate, and the water film purification box body first side plate is; the third side plate of the water film purification box body is parallel to the fourth side plate of the water film purification box body and is vertical to the central line of the air inlet 12 of the water film purification device; one end of the water film plate 140 is vertically and fixedly connected with the third side plate of the water film purification box body, and the other end is vertically and fixedly connected with the fourth side plate of the water film purification box body.
The water film plates 140 are divided into two groups, the first group of water film plates 140 are arranged from the water film purification device air inlet 12 to the water film purification device air outlet 112 in a sequentially ascending manner, the second group of water film plates 140 are arranged from the water film purification device air inlet 12 to the water film purification device water outlet 11 in a sequentially descending manner, and the first group of water film plates 140 and the second group of water film plates 140 are combined into one up and down most close to the water film purification device air inlet 12.
The surface material of the water collection sheet 220 comprises polytetrafluoroethylene or fluorinated polyethylene.
The air inlet 221 of the water mist separation device is arranged at one side of the lower connecting end of the water mist separation box body 210 close to the water collecting plate 220.
The drain box 230 comprises a drain box body, a tapered conduit 240 communicated with a drain opening of the drain box body, a steel ball 250 for sealing the tapered conduit, and a spring 260 for pressing the steel ball 250, and a water inlet of the drain box is communicated with the drain opening 223 of the water mist separation device.
As shown in fig. 1, which is a schematic structural diagram of a water film dust removing device according to an embodiment of the present invention, the water film dust removing device includes a water film purifying device 10, a water mist separating device 20, and a water storage tank; the dust enters from the air inlet of the water film purification device through the induced draft fan 115 and is discharged from the air outlet of the water mist separation device 20 after being dedusted.
The water film purification device 10 is provided with a water film purification device exhaust port 112; the water film purification device 10 is provided with a water film purification device air inlet 12, and the water mist separation device 20 is provided with a water mist separation device air inlet 221; the water mist separation device 20 is provided with a water mist separation device exhaust port 222; the water film purification device exhaust port 112 is communicated with the water mist separation device air inlet 221; the water film purification device 10 is provided with a water film purification device water outlet 11, and the water film purification device water outlet 11 is communicated with the water storage tank; the water mist separation device 20 is provided with a water mist separation device water outlet 221, and the water mist separation device water outlet 221 is communicated with the water storage tank; and waste dust generated by ore crushing enters from the air inlet 12 of the water film purification device through the induced draft fan 115 and is discharged from the air outlet 222 of the water mist separation device after dust removal.
Example 2
As shown in FIG. 1, the water membrane purifying tank body 110 of the water membrane purifying device 10 is made of PPR material, and is integrally connected in a mode of combining high-strength waterproof glue and rivets, and the design life is 20 years.
As shown in fig. 2, the water collecting plate 220 of the water mist separating device 20 is at an acute angle of less than 70 ° with the bottom plate 211 of the water mist separating box. Multiple tests show that the water accumulation effect of the water collection plate 220 is poor when the temperature is more than 70 ℃, the effect is best when the temperature is less than or equal to 70 ℃, and the optimal angle is between 60 and 70 ℃; the air inlet 221 of the water mist separation device is higher than the bottom plate of the water mist separation box body 210 so as to prevent condensed water from flowing into an air inlet pipeline; the mist baffle 224 is perpendicular to the water collection plate 220 and is used for blocking the mist which is not absorbed by the water collection plate 220 to form condensed water and returning the condensed water to the water storage tank.
The section of the inner cavity of the water-mist separation box body is far larger than that of the air inlet, after the air flow enters the inner cavity of the box body, the flow rate is obviously slowed, the water vapor is easier to condense, the contact time with the water collection plate 220 and the mist blocking plate 224 is prolonged, and the water-mist separation is facilitated; the air inlet 221 of the water mist separation box body is communicated with the air outlet of the water film purification box body; the surfaces of the water collection plate 220 and the mist baffle plate 224 are made of polytetrafluoroethylene or fluorinated polyethylene which has good hydrophobic effect and corrosion resistance.
The drainage box is an important drainage accessory, as shown in figure 3, the box body of the drainage box is made of stainless steel, the length of the cone-shaped conduit is designed to be not less than 1 meter in consideration of the gravity factor of water, and the cone-shaped conduit is formed by flaring a stainless steel pipe.
As shown in fig. 1, the water storage tank includes a sedimentation tank 310, a clean water tank 320 communicated with the sedimentation tank 310, a circulating water pump 330 and a circulating water pipe 340, the circulating water pump 330 is respectively connected with the overhead sprinkler head 120 and the bottom sprinkler head 130 through the circulating water pipe 340, the water discharge box is communicated with the sedimentation tank 310 through the circulating water pipe 340, the water discharge port of the water film purification box body 110 is communicated with the sedimentation tank 310 through the circulating water pipe 340, and in order to obtain a better sedimentation effect, a water passage port communicating the sedimentation tank 310 with the clean water tank 320 is provided at one end close to the upper surface.
The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (6)
1. The environment-friendly dust removal device for ore crushing is characterized by comprising a crusher (1) provided with a feeding hole, a water film purification device (10) communicated with the feeding hole of the crusher (1), a water mist separation device (20) communicated with the water film purification device (10) and a water storage tank for supplying and draining water;
the water film purification device (10) is respectively provided with a water film purification device exhaust port (112) and a water film purification device air inlet (12), and the water mist separation device (20) is respectively provided with a water mist separation device air inlet (221) and a water mist separation device exhaust port (222); the water film purification device exhaust port (112) is communicated with the water mist separation device air inlet (221); the water film purification device (10) is provided with a water film purification device water outlet (11), and the water film purification device water outlet (11) is communicated with the water storage tank; the water mist separation device (20) is provided with a water mist separation device water outlet (223), and the water mist separation device water outlet (223) is communicated with the water storage tank; waste dust generated by ore crushing enters from an air inlet (12) of the water film purification device, and is discharged from an air outlet (222) of the water mist separation device after dust removal;
the water film purification device (10) comprises a water film purification box body (110), an overhead water spray head (120) for dust fall, a bottom water spray head (130) for dust fall and a water film plate (140) for guiding dust-containing waste gas; the overhead sprinkler head (120) is fixedly connected to the inner surface of the top plate of the water film purification box body (110); the bottom-mounted water spray head (130) is fixedly connected to the inner surface of the bottom plate of the water film purification box body (110); the water film plate (140) is fixedly arranged on the inner surface of the water film purification box body (110), and the water film plate (140) is vertical to the central line of the air inlet (12) of the water film purification device;
the water mist separation device (20) comprises a water mist separation box body (210) and a drainage box (230) for draining dirty water containing dust; the water mist separation tank body (210) comprises a water mist separation tank body bottom plate (211), a water mist separation tank body top plate (212), a water collecting plate (220), a water mist separation tank body side plate (213) and front and rear baffle plates; a water mist separating device air inlet (221) is formed in the bottom plate (211) of the water mist separating box body, a water mist separating device air outlet (222) is formed in the top plate (212) of the water mist separating box body, and a water mist separating device water outlet (223) is formed in one side of the water mist separating box body side plate (213) close to the bottom plate (211) of the water mist separating box body; the water discharging box (230) is provided with a water discharging box water inlet (231), and the water discharging box water inlet (231) is communicated with the water discharging opening (223) of the water mist separating device; the water mist separation tank body bottom plate (211) is horizontally arranged, and the water collecting plate (220) and the water mist separation tank body bottom plate (211) form an acute angle of 60-70 degrees.
2. The environment-friendly dust removal device for ore crushing according to claim 1, the water film purification box body (110) is cubic, the water film purification box body (110) comprises a water film purification box body bottom plate provided with a water film purification device water outlet (11) for draining water, a water film purification box body first side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air inlet (12), a water film purification box body second side plate which is vertically and fixedly connected with the water film purification box body bottom plate and provided with a water film purification device air outlet (112), a water film purification box body top plate which is vertically and fixedly connected with the water film purification box body first side plate, and a water film purification box body third side plate and a water film purification box body fourth side plate which are vertically and fixedly connected with the water film purification box body first side plate, and the water film purification box body first side plate is parallel to; the third side plate of the water film purification box body is parallel to the fourth side plate of the water film purification box body and is vertical to the central line of the air inlet (12) of the water film purification device; one end of the water film plate (140) is vertically and fixedly connected with the third side plate of the water film purification box body, and the other end of the water film plate is vertically and fixedly connected with the fourth side plate of the water film purification box body.
3. The environment-friendly dust removal device for ore crushing according to claim 2, wherein the water film plates (140) are divided into two groups, the first group of water film plates (140) are sequentially arranged from the water film purification device air inlet (12) to the water film purification device air outlet (112) in an ascending manner, the second group of water film plates (140) are sequentially arranged from the water film purification device air inlet (12) to the water film purification device water outlet (11) in a descending manner, and the water film plates (140) on the side of the first group and the second group of water film plates (140) closest to the water film purification device air inlet (12) are combined into one up and down.
4. An environmentally friendly dust collector for mineral breaking according to claim 1, wherein the surface material of the water collection sheet (220) comprises polytetrafluoroethylene or fluorinated polyethylene.
5. The environment-friendly dust removing device for ore crushing according to claim 1, wherein the air inlet (221) of the water mist separation device is arranged on one side of the water mist separation tank body (210) close to the lower connecting end of the water collecting plate (220).
6. The environment-friendly dust removal device for ore crushing according to claim 1, wherein the water discharge box comprises a water discharge box body, a cone opening guide pipe (240) communicated with a water discharge port of the water discharge box body, a steel ball (250) for sealing the cone opening guide pipe and a spring (260) for pressing the steel ball (250), and a water discharge box body water inlet is communicated with the water discharge port (223) of the water mist separation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556334.8U CN212914830U (en) | 2020-04-15 | 2020-04-15 | A environmental protection dust collector for ore crushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020556334.8U CN212914830U (en) | 2020-04-15 | 2020-04-15 | A environmental protection dust collector for ore crushing |
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| Publication Number | Publication Date |
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| CN212914830U true CN212914830U (en) | 2021-04-09 |
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| CN202020556334.8U Active CN212914830U (en) | 2020-04-15 | 2020-04-15 | A environmental protection dust collector for ore crushing |
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| CN (1) | CN212914830U (en) |
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- 2020-04-15 CN CN202020556334.8U patent/CN212914830U/en active Active
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