CN111804107A - Negative pressure dust removal system for iron oxide pigment production line - Google Patents
Negative pressure dust removal system for iron oxide pigment production line Download PDFInfo
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- CN111804107A CN111804107A CN202010701361.4A CN202010701361A CN111804107A CN 111804107 A CN111804107 A CN 111804107A CN 202010701361 A CN202010701361 A CN 202010701361A CN 111804107 A CN111804107 A CN 111804107A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Abstract
The invention provides a negative pressure dust removal system for an iron oxide pigment production line, which comprises primary dust removal equipment, wherein the middle position of one end of the primary dust removal equipment is connected with a dust hood through a dust collection pipe, the top of the primary dust removal equipment is provided with a water tank and a spraying machine, the spraying machine is communicated with the water tank through a water pipe, and the top of the inner side of the primary dust removal equipment is detachably fixed with a water pipe. According to the invention, the sprayer and the atomizing nozzle are arranged in the primary dust removing equipment, water can be sprayed out in the shape of water mist particles through the atomizing nozzle, fine particles with the size of 6.0-30 mu m can be sprayed out at a high speed under the action of high-pressure airflow, and a negative pressure area can be formed in the primary dust removing equipment by matching with the action of a negative pressure fan, the water mist particles can float in the air, dust air can be sucked into the negative pressure area, and the water particles can be attached to the dust, so that the self weight of the dust is increased and the dust falls into a hopper under the primary dust removing equipment.
Description
Technical Field
The invention relates to the field of negative pressure dust removal systems, in particular to a negative pressure dust removal system for an iron oxide pigment production line.
Background
Negative pressure dust pelletizing system: the device is characterized in that a fan is arranged behind dust removing equipment, dust-containing gas firstly enters a dust removing dust remover through a pipeline for treatment and filtration, and then clean air is sucked out by the fan and discharged into the atmosphere. Under this condition, the pipeline in front of the general dust remover and the fan is in a negative pressure state, the internal pressure is lower than the atmospheric pressure, even if the pipeline or the dust removing equipment has a leakage phenomenon, dust can not leak, only the external air can be sucked, and secondary environmental pollution can not be caused.
Positive pressure dust pelletizing system: as the name implies, the work flow is the opposite of that of a negative pressure dedusting system, which is with the fan in front and the dedusting equipment behind, i.e., the air pressure inside the duct is greater than the atmospheric pressure in the outside air. The device has the defects that if leakage faults occur in a pipeline or dust removal equipment, secondary pollution to the environment is easily caused, and if parts such as an impeller, a shell and the like of a fan are abraded, the faults are serious during working, and the device basically loses the dust removal effect.
But because of this. The iron oxide pigment often produces more dust in the production process, and the dust is removed by generally practical negative pressure dust removal equipment, but the traditional negative pressure dust removal system has some defects, the traditional negative pressure dust removal system generally pumps the dust into the filtering equipment for treatment through a negative pressure fan, generally has only one-level dust removal function, the dust removal strength is not high, the adsorption force on fine dust particles is not strong enough, the dust explodes, and the potential safety hazard of spark generation exists, so that the negative pressure dust removal system for the iron oxide pigment production line is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a negative pressure dust removal system for an iron oxide pigment production line, so as to solve the technical problem.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an iron oxide pigment becomes production line negative pressure dust pelletizing system which characterized in that includes: the device comprises primary dust removing equipment, wherein a dust hood is connected to the middle position of one end of the primary dust removing equipment through a dust collection pipe, a water tank and a spraying machine are arranged at the top of the primary dust removing equipment, the spraying machine is communicated with the water tank through a water pipe, a water pipe is detachably fixed at the top of the inner side of the primary dust removing equipment, the top of the water pipe is connected to the spraying machine through a communicating pipe, a plurality of atomizing spray heads are arranged at the bottom of the water pipe at equal intervals, a baffle is arranged inside the primary dust removing equipment and below the atomizing spray heads, a plurality of funnels are arranged below the primary dust removing equipment, and an ash collection box is connected below the funnels;
the dust removal device comprises a primary dust removal device and a secondary dust removal device, wherein the primary dust removal device is connected with the secondary dust removal device through a communicating pipe, and the top of the secondary dust removal device is connected to a negative pressure fan through a negative pressure air pipe.
Preferably, a water inlet pipe is arranged on one side of the top of the ash collection box, a sewage discharge outlet is arranged at the middle position of the bottom of the ash collection box, and water is filled in the ash collection box.
Preferably, a filter screen is arranged on the baffle.
Preferably, secondary dust collecting equipment includes into dirty mouthful, outlet pipe, fan, blast pipe and dust collecting chamber, dirty mouthful has been seted up to secondary dust collecting equipment's one end, dirty mouthful is through communicating pipe and one-level dust collecting equipment intercommunication, secondary dust collecting equipment's top intermediate position department is provided with the fan, secondary dust collecting equipment's inboard top is provided with the outlet pipe, one side intercommunication of outlet pipe has the blast pipe, the roof that secondary dust collecting equipment was stretched out to the blast pipe, fan and outlet pipe intercommunication, secondary dust collecting equipment's bottom is provided with the dust collecting chamber.
Preferably, a cold water pipe is arranged on the inner wall side of the secondary dust removing equipment, and the secondary dust removing equipment is of a conical structure.
Preferably, the negative pressure fan is HD-1000 in model and 50Hz in frequency.
Preferably, the size of the water mist particles sprayed by the atomizing spray head is 6.0-30 μm.
Preferably, the funnel is of a conical structure.
Compared with the prior art, the negative pressure dust removal system for the iron oxide pigment production line provided by the invention has the following beneficial effects:
the invention provides a negative pressure dust removing system for an iron oxide pigment production line, which comprises the steps of firstly, arranging a sprayer and an atomizing nozzle in primary dust removing equipment, spraying water in the shape of water mist particles through the atomizing nozzle, spraying the water at high speed under the action of high-pressure air flow, and matching with the action of a negative pressure fan, forming a negative pressure area in the primary dust removing equipment, wherein the water mist particles can float in the air, the negative pressure area can suck dust air, the water particles can be attached to the dust, so that the self weight of the dust is increased, the dust falls into a hopper under the primary dust removing equipment and then falls into a dust collecting box for collection, the dust removing mode can improve the dust removing purpose, and meanwhile, the sprayer has a very obvious effect on catching the tiny dust particles, and the inner wall of the primary dust removing equipment can be wetted due to the action of the sprayer, when the dust in the effect that the wind wafts, touch the inner wall, moist inner wall can adsorb the dust this moment, can effectually prevent that the secondary of dust from wafting, still can solve the dust spark simultaneously, the possibility of burning and explosion, secondly, through set up cyclone in second grade dust collecting equipment, it is rotatory to drive the dust through high-speed centrifugal force, still be provided with the cold water pipe on second grade dust collecting equipment's the inner wall, because contain steam on the cold water pipe, then the dust is at rotatory in-process, in case touch the cold water pipe, can be adsorbed by the cold water pipe, and collect in landing dust collecting chamber through its self weight, such dust removal mode, high efficiency, energy-concerving and environment-protective, simple structure's while reduce cost.
Drawings
FIG. 1 is a schematic structural view of a negative pressure dust removal system of an iron oxide pigment production line according to the present invention;
FIG. 2 is a schematic structural view of a baffle of the present invention;
FIG. 3 is a schematic structural diagram of a secondary dust removing apparatus according to the present invention;
FIG. 4 is a top view of a cold water pipe of the present invention;
reference numerals: 1. a dust hood; 2. a dust collection pipe; 3. primary dust removing equipment; 4. a water delivery pipeline; 5. a water tank; 6. a water delivery pipe; 7. a sprayer; 8. an atomizing spray head; 9. a baffle plate; 91. a filter screen; 10. a funnel; 11. a water inlet pipe; 12. a dust collection box; 13. a sewage draining outlet; 14. secondary dust removing equipment; 141. a sewage inlet; 142. an outlet pipe; 143. a fan; 144. an exhaust pipe; 145. a cold water pipe; 146. a dust collecting chamber; 15. a negative pressure fan; 16. and a negative pressure air pipe.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic structural view of a negative pressure dust removal system for an iron oxide pigment production line according to the present invention; FIG. 2 is a schematic structural view of a baffle of the present invention; FIG. 3 is a schematic structural diagram of a secondary dust removing apparatus according to the present invention; fig. 4 is a top view of a cold water pipe of the present invention. In a specific implementation process, as shown in fig. 1, an iron oxide pigment production line negative pressure dust removal system is characterized by comprising: the device comprises primary dust removing equipment 3, wherein a dust hood 1 is connected to the middle position of one end of the primary dust removing equipment 3 through a dust collection pipe 2, a water tank 5 and a spraying machine 7 are arranged at the top of the primary dust removing equipment 3, the spraying machine 7 is communicated with the water tank 5 through a water conveying pipe 6, a water conveying pipeline 4 is detachably fixed at the top of the inner side of the primary dust removing equipment 3, the top of the water conveying pipeline 4 is connected to the spraying machine 7 through a communicating pipe, a plurality of atomizing spray heads 8 are arranged at the bottom of the water conveying pipeline 4 at equal intervals, a baffle 9 is arranged inside the primary dust removing equipment 3 and below the atomizing spray heads 8, a plurality of funnels 10 are arranged below the primary dust removing equipment 3, and an ash collection box;
the device also comprises a secondary dust removing device 14, one end of the secondary dust removing device 14 is connected to the primary dust removing device 3 through a communicating pipe, and the top of the secondary dust removing device 14 is connected to a negative pressure fan 15 through a negative pressure air pipe 16.
In the specific implementation process, as shown in fig. 1, a water inlet pipe 11 is arranged on one side of the top of the dust collecting box 12, a sewage outlet 13 is arranged at the middle position of the bottom of the dust collecting box 12, and water is filled in the dust collecting box 12.
In the specific implementation process, as shown in fig. 2, a filter screen 91 is disposed on the baffle 9.
In the specific implementation process, as shown in fig. 3, the secondary dust removing device 14 includes a dirt inlet 141, an outlet pipe 142, a fan 143, an exhaust pipe 144, and a dust collecting chamber 146, the dirt inlet 141 is opened at one end of the secondary dust removing device 14, the dirt inlet 141 is communicated with the primary dust removing device 3 through a communicating pipe, the fan 143 is disposed at the middle position of the top of the secondary dust removing device 14, the outlet pipe 142 is disposed at the top of the inner side of the secondary dust removing device 14, the exhaust pipe 144 is communicated with one side of the outlet pipe 142, the exhaust pipe 144 extends out of the top wall of the secondary dust removing device 14, the fan 143 is communicated with the outlet pipe 142, and the dust collecting chamber.
In the specific implementation process, as shown in fig. 3-4, the secondary dust removing device 14 includes a dirt inlet 141, an outlet pipe 142, a fan 143, an exhaust pipe 144 and a dust collecting chamber 146, the dirt inlet 141 is opened at one end of the secondary dust removing device 14, the dirt inlet 141 is communicated with the primary dust removing device 3 through a communicating pipe, the fan 143 is arranged at the middle position of the top of the secondary dust removing device 14, the outlet pipe 142 is arranged at the top of the inner side of the secondary dust removing device 14, the exhaust pipe 144 is communicated with one side of the outlet pipe 142, the exhaust pipe 144 extends out of the top wall of the secondary dust removing device 14, the fan 143 is communicated with the outlet pipe 142, and the dust collecting chamber 146; the cold water pipe 145 is arranged on the inner wall side of the secondary dust removing device 14, and the secondary dust removing device 14 is of a conical structure.
In the specific implementation, as shown in fig. 1, the negative pressure fan 15 has a model number HD-1000 and a frequency of 50 Hz.
In the specific implementation process, as shown in fig. 1, the size of the water mist particles sprayed by the atomizing nozzle 8 is 6.0 μm-30 μm.
In a specific implementation, as shown in fig. 1, the funnel 10 is of a conical configuration.
The working principle of the invention is as follows: when in use, the dust hood 1 is connected to the equipment needing dust removal in the iron oxide pigment production line, then the negative pressure fan 15 is opened, the negative pressure fan 15 works to suck dust into the primary dust removal equipment 3, then the sprayer 7 sprays water in the water tank 5 in the form of water mist through the atomizing nozzle 8, the water mist is fine particles with the size of 6.0-30 mu m and is sprayed out at high speed under the action of high-pressure air flow, and a negative pressure area can be formed in the primary dust removal equipment under the action of the negative pressure fan 15, the water mist particles can float in the air, at the moment, the negative pressure area can suck dust and air, the water particles can be attached to the dust, so that the dust deadweight is increased, and the dust falls on the filter screen 91 on the primary dust removal equipment 3, then the mixed particles of the water and the dust are collected through the filter screen 91, when the collected particles reach a certain weight, at the moment, water dust particles can fall into the funnel 10 and fall into the dust collection box 12 through the funnel 10, water is introduced into the dust collection box 12 at the moment, the water dust particles are fused with water to finish the first-step dust removal effect, in the process, the inner wall of the primary dust removal equipment 3 can be wetted under the action of the sprayer 7, when dust flies along with wind and touches the inner wall, the wetted inner wall can adsorb the dust, the secondary flying of the dust can be effectively prevented, meanwhile, the possibility of dust sparks, combustion and explosion can be solved, and the primary dust removal equipment 3 removes dust;
then the remaining dust in the primary dust-removing equipment 3 can be brought into the secondary dust-removing equipment 14 by the action force of the negative pressure fan 15, the fan 143 at the top of the secondary dust-removing equipment 14 drives the dust to rotate by the action of high-speed centrifugation, the dust in the rotating process can be adsorbed on the cold water pipe 145 once touching the cold water pipe 145, the mixture of the dust and water can slide into the dust collecting chamber 146 to be collected due to the action force of gravity and the action force of the slope of the secondary dust-removing equipment 14, and finally the air with the dust removed can be sprayed out by the negative pressure fan 15.
Compared with the prior art, the negative pressure dust removal system for the iron oxide pigment production line provided by the invention has the following beneficial effects:
the invention provides a negative pressure dust removing system for iron oxide pigment production line, firstly, a sprayer 7 and an atomizing nozzle 8 are arranged in primary dust removing equipment, water can be sprayed out in the shape of water mist particles through the atomizing nozzle 8, fine particles with the size of 6.0-30 mu m are sprayed out at high speed under the action of high-pressure air flow, and a negative pressure area can be formed in the primary dust removing equipment under the action of a negative pressure fan 15, the water mist particles can float in the air, dust air can be sucked in by the negative pressure area at the moment, the water particles can be attached to the dust at the moment, so that the self weight of the dust is increased, the dust falls into a hopper 10 under the primary dust removing equipment 3 and then falls into a dust collecting box 12 for collection, the dust removing mode can improve the dust removing purpose, and simultaneously has very obvious effect on the capture of the fine dust particles of the sprayer, due to the action of the sprayer 7, can be wet the inner wall of one-level dust collecting equipment 3, work as the dust in the effect that floats along with the wind, touch the inner wall, moist inner wall can adsorb the dust this moment, can effectually prevent that the secondary of dust from floating, still can solve the dust spark simultaneously, the possibility of burning and explosion, secondly, through set up cyclone in second grade dust collecting equipment 14, it is rotatory to drive the dust through high-speed centrifugal force, still be provided with cold water pipe 145 on second grade dust collecting equipment 14's the inner wall, because contain steam on the cold water pipe 145, then the dust is at rotatory in-process, in case touch cold water pipe 145, can be adsorbed by cold water pipe 145, and collect in landing the dust collecting chamber through its self weight, such dust removal mode, high efficiency, energy-concerving and environment-protective, and simple structure's cost is reduced simultaneously.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an iron oxide pigment becomes production line negative pressure dust pelletizing system which characterized in that includes: a primary dust removing device (3), wherein the middle position of one end of the primary dust removing device (3) is connected with a dust hood (1) through a dust collecting pipe (2), the top of the primary dust removing equipment (3) is provided with a water tank (5) and a spraying machine (7), the spraying machine (7) is communicated with the water tank (5) through a water delivery pipe (6), a water pipe (4) is detachably fixed at the top of the inner side of the primary dust removing equipment (3), the top of the water conveying pipeline (4) is connected to a spraying machine (7) through a communicating pipe, a plurality of atomizing spray heads (8) are arranged at the bottom of the water pipeline (4) at equal intervals, a baffle plate (9) is arranged inside the primary dust removing equipment (3) and below the atomizing nozzle (8), a plurality of funnels (10) are arranged below the primary dust removing equipment (3), and dust collecting boxes (12) are connected below the funnels (10);
the device is characterized by further comprising secondary dust removing equipment (14), wherein one end of the secondary dust removing equipment (14) is connected to the primary dust removing equipment (3) through a communicating pipe, and the top of the secondary dust removing equipment (14) is connected to a negative pressure fan (15) through a negative pressure air pipe (16).
2. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: a water inlet pipe (11) is arranged on one side of the top of the ash collection box (12), a sewage outlet (13) is arranged at the middle position of the bottom of the ash collection box (12), and water is filled in the ash collection box (12).
3. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: and a filter screen (91) is arranged on the baffle (9).
4. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: secondary dust collecting equipment (14) include into dirty mouthful (141), outlet pipe (142), fan (143), blast pipe (144) and dust collecting chamber (146), dirty mouthful (141) have been seted up to the one end of secondary dust collecting equipment (14), dirty mouthful (141) communicate with primary dust collecting equipment (3) through communicating pipe, the top intermediate position department of secondary dust collecting equipment (14) is provided with fan (143), the inboard top of secondary dust collecting equipment (14) is provided with outlet pipe (142), one side intercommunication of outlet pipe (142) has blast pipe (144), blast pipe (144) stretch out the roof of secondary dust collecting equipment (14), fan (143) and outlet pipe (142) intercommunication, the bottom of secondary dust collecting equipment (14) is provided with dust collecting chamber (146).
5. The iron oxide pigment production line negative pressure dust removal system according to claim 4, characterized in that: the cold water pipe (145) is arranged on the inner wall side of the secondary dust removing device (14), and the secondary dust removing device (14) is of a conical structure.
6. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: the type of the negative pressure fan (15) is HD-1000, and the frequency is 50 Hz.
7. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: the size of the water mist particles sprayed by the atomizing spray head (8) is 6.0-30 mu m.
8. The iron oxide pigment production line negative pressure dust removal system according to claim 1, characterized in that: the funnel (10) is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701361.4A CN111804107A (en) | 2020-07-21 | 2020-07-21 | Negative pressure dust removal system for iron oxide pigment production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010701361.4A CN111804107A (en) | 2020-07-21 | 2020-07-21 | Negative pressure dust removal system for iron oxide pigment production line |
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| CN111804107A true CN111804107A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010701361.4A Pending CN111804107A (en) | 2020-07-21 | 2020-07-21 | Negative pressure dust removal system for iron oxide pigment production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712943A (en) * | 2022-04-13 | 2022-07-08 | 铜陵瑞莱科技有限公司 | Purification device for tail gas containing solid particle materials for iron oxide |
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| CN202605937U (en) * | 2012-03-16 | 2012-12-19 | 山东大学 | System for reducing discharge of ultrafine particles in ash-laden gas |
| CN205672722U (en) * | 2016-06-06 | 2016-11-09 | 宜昌市夷陵区捷顺水泥制品有限公司 | A kind of dust arrester of abundant filtration |
| CN106422540A (en) * | 2016-10-25 | 2017-02-22 | 安徽帝元现代农业投资发展有限公司 | Cyclone type cooling and dust removal device for biomass combustible gas |
| CN210386821U (en) * | 2019-06-26 | 2020-04-24 | 淄博矿业集团有限责任公司岱庄煤矿 | Mine water curtain type explosion-proof dust removal device |
| CN210448379U (en) * | 2019-06-27 | 2020-05-05 | 江苏峰业科技环保集团股份有限公司 | Dust removal defogging water trap device of coal fired power plant afterbody flue gas |
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2020
- 2020-07-21 CN CN202010701361.4A patent/CN111804107A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766314A (en) * | 1992-11-13 | 1998-06-16 | France Grignotage | Process and device for treating working atmosphere using a cyclone exchanger |
| CN202605937U (en) * | 2012-03-16 | 2012-12-19 | 山东大学 | System for reducing discharge of ultrafine particles in ash-laden gas |
| CN205672722U (en) * | 2016-06-06 | 2016-11-09 | 宜昌市夷陵区捷顺水泥制品有限公司 | A kind of dust arrester of abundant filtration |
| CN106422540A (en) * | 2016-10-25 | 2017-02-22 | 安徽帝元现代农业投资发展有限公司 | Cyclone type cooling and dust removal device for biomass combustible gas |
| CN210386821U (en) * | 2019-06-26 | 2020-04-24 | 淄博矿业集团有限责任公司岱庄煤矿 | Mine water curtain type explosion-proof dust removal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114712943A (en) * | 2022-04-13 | 2022-07-08 | 铜陵瑞莱科技有限公司 | Purification device for tail gas containing solid particle materials for iron oxide |
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Application publication date: 20201023 |
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