CN107983020B - Dust-gas separation treatment device for waste gas - Google Patents
Dust-gas separation treatment device for waste gas Download PDFInfo
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- CN107983020B CN107983020B CN201711217008.3A CN201711217008A CN107983020B CN 107983020 B CN107983020 B CN 107983020B CN 201711217008 A CN201711217008 A CN 201711217008A CN 107983020 B CN107983020 B CN 107983020B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cyclones (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of environmental protection, and discloses a dust and gas separation treatment device for waste gas, which comprises a frame and a cyclone separator fixed on the frame, wherein an air inlet pipe is connected with an air inlet pipe, a lantern ring is arranged in the air inlet pipe, the lantern ring is rotatably connected with the air inlet pipe, a spiral blade is fixed in the lantern ring, a hot air blower is arranged on one side of the air inlet pipe close to a feed inlet, an air outlet one-way valve is fixed in the air outlet pipe, a treatment box is fixed at the top of a cylinder, the air outlet pipe is communicated with the treatment box and the cylinder, an adsorption layer is arranged at the top of the treatment box, a waste water box and a purified water box are arranged on the other side of the cylinder, a pressure valve is arranged at the communication part of the waste water box and the. The invention has simple structure, convenient waste gas separation treatment and good separation effect.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a dust-gas separation treatment device for waste gas.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health.
The exhaust gas contains not only toxic gases but also a large amount of dust. The toxic gas contains a large amount of toxic substances, some of which can be dissolved in water and are not easy to volatilize, and some of which are dissolved in water and are easy to volatilize at normal temperature. Only the toxic gas is simply treated by water, and the volatile toxic gas easily causes secondary pollution. Dust contained in the exhaust gas is accumulated in the exhaust duct by electrostatic action or the like, and the exhaust duct is clogged. The water containing a large amount of toxic gas may also be chemically reacted with water and toxic gas, making the water containing a large amount of toxic gas difficult to treat.
The existing waste gas treatment device treats toxic gas in waste gas or treats dust in the waste gas independently, the toxic gas and the dust cannot be treated simultaneously, secondary pollution of the toxic gas or the dust is easily caused, and the purpose of treating the waste gas cannot be well achieved.
Disclosure of Invention
The invention aims to provide a dust and gas separation treatment device for waste gas, which aims to solve the problem that dust and toxic gas cannot be separated and treated.
In order to achieve the purpose, the technical scheme of the invention is as follows: a dust and gas separation treatment device for waste gas comprises a frame and a cyclone separator fixed on the frame, wherein the cyclone separator comprises a hollow cylinder and a cone, the cone is fixedly arranged at the lower part of the cylinder, a discharge hole is arranged at the lower part of the cone, an air inlet is arranged at one side of the upper part of the cylinder, an air outlet pipe is fixed at the top of the cylinder, the air inlet is fixedly connected with an air inlet pipe communicated with the cylinder, a lantern ring is arranged in the air inlet pipe and is rotatably connected with the air inlet pipe, a plurality of helical blades are fixed in the lantern ring, a hot air blower fixed on the cylinder is arranged at one side of the air pipe close to the air inlet, an air outlet one-way valve is fixed in the air outlet pipe, a treatment box is fixed at the top of the cylinder, the air outlet pipe is communicated with, waste water case and cylinder sliding connection and waste water case and processing case intercommunication, waste water case and processing case intercommunication department are equipped with the pressure valve, and waste water case below is equipped with the spacing of fixing on the cylinder, spacing upper portion is fixed with the pressure switch who is connected with the air heater electricity, the water purification case is fixed in the frame and the water purification case and is handled the case intercommunication, and water purification case and processing case intercommunication department are equipped with the solenoid valve of being connected with the pressure switch electricity.
Cyclone separator is a kind of equipment used for separating gas-solid system or liquid-solid system. The working principle is that solid particles or liquid drops with larger inertial centrifugal force are thrown to the outer wall surface to be separated by the rotating motion caused by tangential introduction of air flow. A spiral upper vortex airflow is formed at the upper part in the hollow cylinder body, and can be stirred in a spiral manner; an upward inner vortex airflow is formed in the middle of the cylinder and drives the gas to move upwards; the outside of the cylinder will create an outer swirling gas flow that will centrifugally separate the gas and solids.
The principle of the invention is as follows: to letting in waste gas in the intake pipe, waste gas enters into the intake pipe, and waste gas can blow helical blade to helical blade drives the lantern ring at the intake pipe internal rotation, and helical blade stirs the material in to waste gas, avoids toxic gas and dust too concentrated, and helical blade can promote the lantern ring under the effect of wind power simultaneously, thereby the lantern ring slides in the trachea and strikes off the dust of trachea lateral wall.
The hot-blast opportunity heats waste gas, and waste gas enters into the cylinder through the air inlet in, and the outer vortex in the cylinder can be with dust and toxic gas separation to blow to the cone below by outer vortex and discharge from the discharge gate. The inner vortex in the cylinder carries the toxic gas from the outlet pipe and into the treatment box through the outlet one-way valve.
Toxic gas in the treatment box is dissolved in water and absorbed by the water, water which is not dissolved in the toxic gas is absorbed by the adsorption layer, and water which is dissolved in the toxic gas and is volatile is also absorbed by the adsorption layer. The gas of handling the incasement increases gradually, handles the pressure of incasement and also can crescent to can squeeze the pressure valve open, handle the sewage that contains a large amount of noxious material in the incasement through the pressure valve and can enter into the waste water incasement and collect, discharge to certain volume pressure and reduce, the pressure valve can be closed.
The water in the waste water tank increases gradually, can slide down under the effect of gravity, slides to spacing strip department and can extrude pressure switch, and pressure switch receives pressure and can open the solenoid valve to control air heater reverse blast. When the electromagnetic valve is opened, the water in the purified water tank flows into the treatment tank to finish the water replacement. The air heater reverse blast can blow the helical blade in the lantern ring to the lantern ring can reset, and tracheal dust is strikeed off in the reverse direction, thereby has avoided air intake duct's jam.
The invention has the beneficial effects that: (1) through helical blade and lantern ring cooperation, can handle the dust in the intake pipe, avoid the dust to block up the intake pipe and influence exhaust-gas treatment efficiency.
(2) Through cyclone, separate gas and dust, can collect toxic gas and dust alone and handle, avoid dust and toxic gas mixture and produce the toxic substance that is difficult to handle.
(3) Through the air heater with waste gas heating to the waste gas of heating can be gradually with handling the hydrothermal of incasement, the water of heating helps volatile gas to volatilize from the aquatic, avoids toxic gas externally to carry out normal atmospheric temperature and volatilizees, causes secondary air pollution.
(4) Through the cooperation of solenoid valve, pressure valve and pressure switch, reduce the work load that the manual work traded water, improve work efficiency.
On the basis of the basic scheme:
further optimize, spacing strip passes through fastening bolt to be fixed on the cylinder. The limiting strips are fixed on the cylinder through the fastening bolts so as to ensure the stability of the limiting strips.
Further preferably, the adsorption layer is a double-sided adhesive tape coated with active carbon. The double-sided adhesive tape can be conveniently adhered to the treatment box and detached, and can also be used for conveniently adhering the activated carbon to the treatment box.
Further optimization, the lower part of the discharge hole is provided with a collecting box. The collecting box can conveniently collect dust in a centralized way.
And further optimizing, a limiting block is arranged on the air heater. When the air heater heats waste gas, the air heater can vibrate, so that the air heater is prevented from vibrating and deviating, and the limiting block is arranged for limiting.
Drawings
FIG. 1 is a schematic view of the overall structure of a dust-gas separation treatment apparatus for exhaust gas;
FIG. 2 is a schematic view of the structure of the intake pipe;
fig. 3 is a schematic view of the overall structure of the collar.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: cyclone 1, outlet pipe 11, outlet check valve 111, treatment tank 2, adsorption layer 21, waste water tank 3, pressure valve 31, clean water tank 4, solenoid valve 41, spacing strip 5, pressure switch 51, inlet pipe 6, lantern ring 613, hot-air blower 614, helical blade 615.
Example 1:
as shown in attached drawings 1, 2 and 3, the dust-gas separation treatment device for waste gas comprises a rack and a cyclone separator 1 fixed on the rack, wherein the cyclone separator 1 comprises a hollow cylinder and a cone, the cone is fixedly installed below the cylinder, a discharge port is formed in the lower portion of the cone, a collection box is arranged below the discharge port, and the collection box is fixed on the rack. The air inlet is arranged on the left side of the upper portion of the cylinder, an air inlet pipe 6 is fixedly connected with the air inlet pipe, a sleeve ring 613 is arranged in the air inlet pipe 6, the sleeve ring 613 is rotatably connected with the air inlet pipe 6, six helical blades 615 are fixed in the sleeve ring 613, the end portions of the helical blades 615 are fixed on the sleeve ring 613, the sleeve ring 613 can rotate in the air inlet pipe 6, and the helical blades 615 can push the sleeve ring 613 to slide in the air inlet pipe 6 under the action of.
An air outlet one-way valve 111 is fixed in the air outlet pipe 11, a treatment box 2 is fixed at the top of the cylinder, the air outlet pipe 11 is communicated with the treatment box 2 and the cylinder, an adsorption layer 21 is arranged at the bottom in the treatment box 2, and the adsorption layer 21 is a double-sided adhesive tape coated with activated carbon. The cylinder right side is equipped with and handles waste water tank 3 and the water purification case 4 of case 2 intercommunication, and waste water tank 3 fixed mounting is in the frame, and water purification case 4 sliding connection is on the cylinder. The communicating part of the waste water tank 3 and the treatment tank 2 is provided with a pressure valve 31, the pressure valve 31 is communicated with the treatment tank 2 through a water pipe, and the communicating part of the purified water tank 4 and the treatment tank 2 is provided with an electromagnetic valve. A limiting strip 5 fixed on the cylinder through a fastening bolt is arranged below the waste water tank 3, and a pressure switch 51 electrically connected with the hot air blower 614 and the electromagnetic valve is fixed on the upper part of the limiting strip 5.
When the exhaust gas is treated, the exhaust gas is introduced into the intake pipe 6. During waste gas entered into intake pipe 6, waste gas can blow helical blade 615, and helical blade 615 drives lantern ring 613 and rotates in intake pipe 6 under the effect of waste gas wind force, and helical blade 615 rotates and can mix toxic gas and dust stirring, avoids too concentrating. The helical blade 615 also pushes the collar 613 to slide in the inlet duct 6 under the action of the wind, and the collar 613 scrapes off the dust in the inlet duct 6, and the scraped dust is sent to the vicinity of the hot air heater 614 by the collar 613 and is sucked into the hot air heater 614.
The hot air blower 614 heats and dries the dust and toxic gas in the exhaust gas and sends the dust and toxic gas into the cylinder through the air inlet, and the toxic gas and the dust are separated under the centrifugal action of the outer vortex in the cylinder. The dust is hit by the outer vortex to the side wall and falls into the cone by the downward wind, and the dust falls into the collection box from the cone. The toxic gas, under the ascending action of the inner vortex, passes through the outlet pipe 11 and opens the outlet check valve 111 into the processing chamber 2. The toxic gas introduced into the treatment tank 2 heats the water in the treatment tank 2. The water in the treatment box 2 can absorb the toxic gas, the volatile toxic gas dissolved in water can be completely volatilized due to the rising of the temperature, and is adsorbed by the double-sided adhesive tape coated with the activated carbon, the toxic gas dissolved in water and not easy to volatilize is left in the water, and the toxic gas not dissolved in water can be adsorbed by the double-sided adhesive tape.
The gas outlet check valve 111 prevents the toxic gas from flowing back, and the gas introduced into the process chamber 2 is increased, so that the pressure in the process chamber 2 is increased. The pressure increase opens the pressure valve 31 so that the water containing toxic gases in the treatment tank 2 enters the waste water tank 3 through the water pipe. The water in the waste water tank 3 is more and more, and the weight is gradually increased. The waste water tank 3 will slide down on the cylinder while the water in the treatment tank 2 is let down to a certain amount, the pressure decreases and the pressure valve 31 will close.
The wastewater tank 3 slides down to a certain position to be limited by the limit strip 5, and the wastewater tank 3 presses the pressure switch 51. The pressure switch 51 is squeezed open and opens the solenoid valve and reverses the rotation of the hot air blower 614.
When the solenoid valve is opened, the water in the clean water tank 4 enters the treatment tank 2. The air heater 614 contrarotation blast air can block the waste gas in the intake pipe 6 and enter into the cylinder, and this moment the processing box 2 can not supply air through the cylinder either. The wind from the hot air blower 614 blows the helical blade 615 to rotate reversely and makes the helical blade 615 push the collar 613 to slide reversely, so that the collar 613 is reset and the collar 613 scrapes dust in the air inlet pipe 6 reversely. At this time, the wastewater in the wastewater tank 3 is collected and treated, the wastewater tank 3 is manually reset, the electromagnetic valve is closed after the pressure switch 51 is not squeezed, the water inlet of the water purification tank 4 is stopped, and the hot air blower 614 blows air in the forward direction to continuously treat the waste gas in the above process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.
Claims (4)
1. The dust and gas separation treatment device for waste gas comprises a frame and a cyclone separator fixed on the frame, wherein the cyclone separator comprises a hollow cylinder and a cone, the cone is fixedly arranged at the lower part of the cylinder, a discharge hole is arranged at the lower part of the cone, an air inlet is arranged at one side of the upper part of the cylinder, and an air outlet pipe is fixed at the top of the cylinder, the cyclone separator is characterized in that the air inlet is fixedly connected with an air inlet pipe communicated with the cylinder, a lantern ring is arranged in the air inlet pipe and rotatably connected with the air inlet pipe, a plurality of helical blades are fixed in the lantern ring, a hot air blower fixed on the cylinder is arranged at one side of the air inlet pipe close to the air inlet, an air outlet one-way valve is fixed in the air outlet pipe, a treatment box is fixed at the top of the cylinder, the, waste water case and cylinder sliding connection and waste water case and processing case intercommunication, waste water case and processing case intercommunication department are equipped with the pressure valve, and waste water case below is equipped with the spacing of fixing on the cylinder, spacing upper portion is fixed with the pressure switch who is connected with the air heater electricity, the water purification case is fixed in the frame and water purification case and processing case intercommunication, and water purification case and processing case intercommunication department are equipped with the solenoid valve of being connected with the pressure switch electricity, the double-sided tape of adsorbed layer for scribbling active carbon.
2. The dust and gas separating and processing apparatus for exhaust gas according to claim 1, wherein the stopper bar is fixed to the cylindrical body by a fastening bolt.
3. The apparatus for separating and treating dust and gas of exhaust gas according to claim 1, wherein a collecting tank is provided at a lower portion of the discharge port.
4. The apparatus of claim 3, wherein a stopper is disposed on the air heater.
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CN201711217008.3A CN107983020B (en) | 2017-11-28 | 2017-11-28 | Dust-gas separation treatment device for waste gas |
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CN201711217008.3A CN107983020B (en) | 2017-11-28 | 2017-11-28 | Dust-gas separation treatment device for waste gas |
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CN107983020A CN107983020A (en) | 2018-05-04 |
CN107983020B true CN107983020B (en) | 2020-07-14 |
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Families Citing this family (2)
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CN110813062A (en) * | 2019-11-29 | 2020-02-21 | 河南省高新技术实业有限公司 | Biomass combustion waste gas treatment device |
CN114653708B (en) * | 2022-03-09 | 2023-07-25 | 云南曲靖钢铁集团凤凰钢铁有限公司 | High-purity tube blank smelting system for seamless steel tube and round tube |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202538569U (en) * | 2012-01-19 | 2012-11-21 | 陕西宝化科技有限责任公司 | Environment-friendly drying and dedusting device for persulfate |
CN103111125A (en) * | 2012-12-10 | 2013-05-22 | 大连九星科技有限公司 | Cyclone separator type gas dust remover |
CN205461666U (en) * | 2015-12-15 | 2016-08-17 | 刘伟华 | Waste gas purification system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5755965A (en) * | 1995-10-16 | 1998-05-26 | Hdr Engineering, Inc. | Cyclonic de-gasser |
DE20002942U1 (en) * | 2000-02-21 | 2001-06-07 | Schilling Roland | Cyclone evaporator |
US6890375B2 (en) * | 2003-02-20 | 2005-05-10 | Keith L. Huber | Cyclonic air filter with exit baffle |
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2017
- 2017-11-28 CN CN201711217008.3A patent/CN107983020B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202538569U (en) * | 2012-01-19 | 2012-11-21 | 陕西宝化科技有限责任公司 | Environment-friendly drying and dedusting device for persulfate |
CN103111125A (en) * | 2012-12-10 | 2013-05-22 | 大连九星科技有限公司 | Cyclone separator type gas dust remover |
CN205461666U (en) * | 2015-12-15 | 2016-08-17 | 刘伟华 | Waste gas purification system |
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Effective date of registration: 20230807 Address after: 528000 Warehouse A7, No. 1, Hexing Road, Zone A, Hegui Industrial Park, Lishui Town, Nanhai District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Foshan Xianlin Metal Materials Co.,Ltd. Address before: Room 333, No. 159 Hongdu Road, Jiangbei District, Ningbo City, Zhejiang Province, 315000 Patentee before: NINGBO JIANGBEI QINGWEI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |