CN215843012U - Saturated active carbon activation regenerating unit - Google Patents
Saturated active carbon activation regenerating unit Download PDFInfo
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- CN215843012U CN215843012U CN202121726047.8U CN202121726047U CN215843012U CN 215843012 U CN215843012 U CN 215843012U CN 202121726047 U CN202121726047 U CN 202121726047U CN 215843012 U CN215843012 U CN 215843012U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/584—Recycling of catalysts
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Abstract
The utility model discloses a saturated activated carbon activation and regeneration device, and belongs to the technical field of activated carbon. Including heating desorption unit, exhaust-gas treatment unit, electrical control unit and channel-section steel base. The waste gas treatment unit comprises a condensation unit, a convection absorption liquid absorption unit and a catalytic oxidation unit. The heating desorption unit mainly comprises a drying oven and a circulating fan; the condensing unit is mainly a condensing coil pipe, the condensing unit is connected with the heating desorption unit and the waste gas treatment unit, a waste gas inlet of the condensing coil pipe is connected with the top of the oven, and a waste gas outlet of the condensing coil pipe is connected to the convection absorption liquid absorption unit; the convection absorption liquid absorption unit consists of a spray pump, a packing layer, a demisting section and a liquid collecting tank; the catalytic oxidation unit comprises a plurality of UV ultraviolet lamp tubes and a ballast; the electric control unit is provided with an electric cabinet and a PLC touch screen control panel. The utility model has compact structure, high automation degree, energy saving and environmental protection, and can repeatedly activate and regenerate the saturated activated carbon for more than five times.
Description
Technical Field
The utility model belongs to the technical field of activated carbon, and particularly relates to a saturated activated carbon activation regeneration treatment device.
Background
The active carbon is a porous solid material with large surface area, has strong adsorbability, and can be widely applied to various fields of chemical industry, food, medicine and the like. The adoption of activated carbon adsorption is a common method for purifying and treating organic waste gas at present, and the treatment process is relatively mature and has obvious effect. As activated carbon technology becomes more mature, the demand for activated carbon increases, however, activated carbon is easily saturated during use and loses adsorption capacity, and therefore, the activated carbon must be replaced frequently. If the saturated activated carbon is not recycled, the secondary influence on the environment can be caused, the resource waste can be caused, and the operation cost is increased.
At present, the heating regeneration method is the most widely applied and mature activated carbon regeneration mode. However, by the heating regeneration method, under the heating condition, the absorbed and adsorbed organic matters are eliminated from the activated carbon substrate in the forms of analysis, carbonization and oxidation, and finally changed into gas to escape from the surface of the activated carbon, and if the gas is not purified, the organic gas causes secondary pollution to the environment and is harmful to the health of people.
In the prior art, a chinese utility model patent with publication number CN 210214817U and publication date 2020.03.31 entitled "an activated carbon activation and regeneration device" is disclosed. The device adopts an inner material pipe and an outer material pipe which are arranged in a double-layer mode, wherein the inner material pipe is arranged in the outer material pipe and is fixed with the outer material pipe; first shoveling plates are uniformly distributed on the inner wall of the outer feeding pipe, are bent, and have the same bending direction as the rotating direction of the feeding pipe; and second shoveling plates distributed in a dispersed manner are arranged on the outer wall of the inner material pipe and are bent in the opposite direction of the rotation of the material pipe. The steam device is connected towards one end of the discharge hole of the inner material pipe, and a steam channel is arranged inside the inner material pipe. The above structure can be used for regenerating waste activated carbon, but does not involve a purification treatment of exhaust gas discharged from a furnace, and causes secondary pollution to the environment by discharging dust together.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a saturated activated carbon activation regeneration device which is characterized in that saturated activated carbon is activated and regenerated by adopting a hot air circulation purging mode, and organic waste gas generated by desorption is subjected to multi-stage purification treatment.
The utility model integrates activation regeneration, absorption purification and automatic control, hot air circulation blowing is adopted during desorption, desorption waste gas is purified and then discharged after reaching the standard, and saturated activated carbon treated by the device can be repeatedly activated and reused for more than five times. The device has the advantages of high automation degree, high desorption efficiency, energy conservation, environmental protection, no secondary pollution to the environment and capability of overcoming the defects of the conventional saturated activated carbon activation regeneration treatment device.
In order to realize the purpose, the utility model is realized by the following technical scheme:
saturated active carbon activation regenerating unit, including heating desorption unit, exhaust-gas treatment unit, electric control unit, the whole organism of this device is arranged in on the channel-section steel base.
Wherein, the heating desorption unit is mainly an oven.
The waste gas treatment unit comprises a condensation unit, a convection absorption liquid absorption unit and a catalytic oxidation unit;
the condensation unit is mainly a condensation coil pipe, the condensation coil pipe is arranged behind the whole box body of the waste gas treatment unit, the condensation unit is connected with the heating desorption unit and the waste gas treatment unit, a waste gas inlet of the condensation coil pipe of the condensation unit is connected with the top of the oven, and a waste gas outlet of the condensation coil pipe is connected to the convection absorption liquid absorption unit;
the convection absorption liquid absorption unit comprises a spray pump, a packing layer, a demisting section and a liquid collecting tank; the catalytic oxidation unit is arranged at the upper part of the convection absorption liquid absorption unit, and residual part of waste gas is escaped to the catalytic oxidation unit after the waste gas is absorbed and treated by the convection absorption liquid absorption unit; the catalytic oxidation unit comprises a plurality of UV ultraviolet lamp tubes;
the electric control unit mainly comprises an electric cabinet which is arranged in front of the catalytic oxidation unit, and the main part of the electric cabinet is a PLC touch screen control panel; the ballast of the UV ultraviolet lamp tube is arranged below the electric cabinet; the upper part of the catalytic oxidation unit is provided with a rectangular ventilation opening and a draught fan.
Further, heating desorption unit shell adopts the cold-rolled steel sheet (epoxy powder spraying anticorrosive treatment is used on the surface), and the inner bag adopts the thick 304 stainless steel of no less than 1.0mm, and the thick 304 stainless steel of no less than 1.2mm is adopted to waste gas treatment unit box material.
Furthermore, the drying oven is provided with a circulating fan and a temperature sensor, a plurality of circular hole wind tunnels are arranged on two side faces inside the drying oven, circulating hot air sweeps saturated activated carbon in the drying oven through the wind tunnels, and the circulating fan is arranged above the drying oven body.
Furthermore, the condenser pipe of the condensing unit is a disc-shaped pipe, the waste gas inlet of the condensing coil pipe is connected with the top end of the oven, the waste gas outlet of the condensing coil pipe is connected with the convection absorption liquid absorption unit, and the condensing coil pipe is arranged behind the catalytic oxidation unit box body.
Furthermore, the convection absorption liquid absorption unit is provided with a spraying system, the spraying system comprises a spraying pump, a packing layer (spraying tank), a spraying pipeline, spraying nozzles, a dosing port of the (organic) waste gas absorption liquid and a liquid collecting tank, and the number of the spraying nozzles is two.
The spray pump is connected with a spray pipeline for conveying waste gas absorption liquid, the spray pipeline is provided with a Y-shaped filter, the packing layer is filled with pall ring packing, the packing layer is arranged below the spray nozzles, the spray nozzles of the spray pump spray to the packing layer from top to bottom under the action of water pressure, the liquid collecting tank is arranged at the lower end of the whole spray system, and a waste gas absorption liquid dosing port is arranged above the liquid collecting tank.
Furthermore, the liquid collecting tank is provided with a glass liquid level pipe, a duckbill liquid level switch and a liquid level meter cover, and the glass liquid level pipe is arranged outside the box body so as to be convenient for visually reading a liquid level value in the liquid collecting tank; the duckbill liquid level switch is arranged at the top of the liquid collecting tank so as to control the dosage according to the liquid level condition in the liquid collecting tank.
Furthermore, the defogging section comprises a stainless steel wire net, a wire grid and a supporting device for fixing the stainless steel wire net, and the stainless steel wire net is divided into wire net blocks by the wire grid.
Furthermore, the catalytic oxidation unit comprises a UV ultraviolet lamp tube, a nano titanium dioxide catalyst and a ballast. The ballast is arranged below the electric cabinet, the induced draft fan is arranged above the whole box body of the catalytic oxidation unit, and the rectangular ventilation opening is connected with the box body and vertically upwards.
Further, the electrical control unit includes a touch screen panel and required electrical components. The touch screen panel includes a touch screen, a power on/off, a start, a stop, an emergency stop button, and a buzzer. The electric control system is automatically started or stopped by reading the use condition of the fume hood through TCP/IP communication, and before operation, the heating temperature, the heat preservation time, the motor operation state and the setting of some important parameters required by the operation of the whole device are set through the touch screen panel.
Furthermore, rain-proof cover is equipped with at electrical control unit top.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model integrates regeneration, absorption and control; the device adopts PLC intelligent control, and the activation process is displayed on line; the degree of automation is high, hot air is recycled during desorption, and the method has the advantages of high desorption efficiency, low energy consumption, attractive appearance and the like; the desorption waste gas is purified and treated in an absorption mode to reach the emission standard, and the active carbon regeneration device is required not to generate secondary pollution in the working process; the application range is wide, and the method can be widely used for desorption and regeneration of the activated carbon adsorbing organic matters such as benzene, ketone, alcohol, aldehyde, ether, alkane, olefin and the like. The device can activate and regenerate the active carbon for more than five times, and has high economic value and social benefit.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
in the figure, 1 touch-sensitive screen, 2 draught fans, 3 electric cabinets, 4 ovens, 5 condenser's waste gas air inlet, 6 circulating fan, 7 furnace gates, 8 spray pumps, 9 spray pipes, 10 ballasts, 11 rain-proof covers, 12 collecting tanks, 13 packing layers, 14 spray nozzles, 15 rectangle vents, 16 condenser pipes, 17 defogging sections, 18 condenser's waste gas outlet, 19 collecting tanks's leakage fluid dram, 20 absorption liquid dosing mouths, 21 duckbilled level switch, 22 level gauge covers, 23 glass liquid level pipe, 24Y type filter, 25 channel-section steel base.
Detailed Description
Fig. 1-3 illustrate an embodiment of the present invention.
Saturated active carbon activation regenerating unit, including heating desorption unit, exhaust treatment unit and channel-section steel base 25, heating desorption unit and exhaust treatment unit install on channel-section steel base 25, and exhaust treatment unit is on the left side of heating desorption unit. The waste gas treatment unit comprises a condensation unit, a convection absorption liquid absorption unit, a catalytic oxidation unit and an electric control unit.
The main component of the heating desorption unit is an oven 4, and a circulating fan 6 is arranged at the top of the oven 4; a condensing coil 16 is arranged behind the whole box body of the catalytic oxidation unit, the condensing unit is connected with a heating desorption unit and a waste gas treatment unit, a waste gas inlet 5 of the condensing coil of the condensing unit is connected with the top of the oven 4, and a waste gas outlet 18 of the condensing coil is connected into a convection absorption liquid absorption unit (an area between the packing layer and the liquid collecting tank);
the convection absorption liquid absorption unit comprises a spray pump 8, a packing layer 13, a demisting section 17 and a liquid collecting tank; the convection absorption liquid absorption unit is provided with two spraying systems, and each spraying system consists of a spraying pump 8, a packing layer 13 (spraying tank), a spraying pipeline 9, a spraying nozzle 14, an organic waste gas absorption liquid dosing port 20 and a liquid collecting tank 12. The spray pump 8 is connected with a spray pipeline 9 for conveying waste gas absorption liquid, the spray pump 8 is arranged at the position of the lower left corner of the spray system, the spray pipeline 9 is provided with a Y-shaped filter 24, the packing layer 13 is filled with pall ring packing, the packing layer 13 is arranged below the spray nozzle 14, and the spray pump nozzle 14 sprays towards the packing layer 13 from top to bottom under the action of water pressure. The collecting tank is arranged at the lower end of the whole spraying system, the collecting tank 12 is provided with a glass liquid level pipe 23, a duckbilled liquid level switch 21 and a liquid level meter cover 22 so as to observe the capacity of absorption liquid in the collecting tank 12, the liquid level meter cover 22 covers the duckbilled liquid level switch 21, and a collecting tank liquid discharge port 19 is arranged at the lower right side of the whole spraying system. The absorption liquid medicine adding port 20 is arranged above the liquid collecting tank 12.
After the exhaust gas is absorbed and treated by the convection absorption unit, residual part of the exhaust gas is escaped to the catalytic oxidation unit. The catalytic oxidation unit is arranged on the upper part of the convection absorption liquid absorption unit and comprises a plurality of UV ultraviolet lamp tubes; the electric control unit is arranged in front of the catalytic oxidation unit, the electric cabinet 3 is mainly a PLC touch screen 1 control panel, and a rain cover 11 is arranged on the electric cabinet to prevent parts in the electric cabinet 3 from being damaged by water inflow; the ballast 10 of the UV ultraviolet lamp tube is arranged below the electric cabinet 3; the upper part of the catalytic oxidation unit is provided with a draught fan 2, and a rectangular ventilation opening 15 is connected with the box body and is vertically upward. The whole machine body of the device is arranged on the channel steel base 22.
The technical scheme of the present invention is clearly and completely described below with reference to the embodiment of the present invention, and the use flow of the saturated activated carbon activation regeneration apparatus provided by the embodiment of the present invention is as follows:
when the device is used, parameters such as temperature, heat preservation time and the like are set through the touch screen 1, the waste saturated activated carbon is put into the carbon box and is put into the oven 4, the oven door 7 is closed to slowly heat, and meanwhile, the circulating fan 6 and the spray pump 8 start to work. The circulating fan 6 works to circularly sweep and adsorb saturated activated carbon by hot air. After the temperature is heated to a set temperature (between 90 ℃ and 120 ℃), organic pollutants absorbed by the surface of the saturated activated carbon begin to be desorbed outwards, the organic pollutants in the activated carbon do not reach the desorption temperature, and the temperature in the oven is kept constant for several hours to enable the absorbed organic pollutants in the saturated activated carbon to be desorbed outwards.
The upper part of the oven 4 is provided with a condensing coil 16 connected with a waste gas treatment unit, desorbed organic waste gas flows into an area between a liquid collecting tank 12 and a packing layer 13 of a convection absorption liquid absorption unit from a waste gas inlet 5 of the condensing coil through the condensing unit along the condensing coil 16 and then rises to the packing layer 13, a spray pump 8 sprays waste gas absorption liquid downwards from a spray nozzle 14 at the top of the tower in a form of fog (or small liquid drops), desorbed waste gas and alkaline absorption liquid flow reversely, the pall ring packing increases the specific surface area so as to ensure that gas and liquid are fully contacted, acidic substance liquid phase absorption liquid alkaline substance in gas phase generates chemical reaction, and a product flows into the liquid collecting tank 12 at the lower part along with the absorption liquid and is finally discharged through a liquid discharge port 19 of the liquid collecting tank. Organic waste gas that can not be absorbed reaches defogging section 17 (the defogging section comprises stainless steel wire net, silk grid and the strutting arrangement of fixed stainless steel wire net, and the silk grid divides stainless steel wire net into the silk screen piece, constitutes the silk screen defroster) after spraying the washing, carries out gas-liquid separation through the silk screen defroster.
Organic waste gas enters a catalytic oxidation unit for absorption and purification, a ballast 10 regulates UV ultraviolet light to irradiate a nano titanium dioxide catalyst to react with the waste gas to generate nontoxic and harmless substances and gas, and the purified gas reaches the national emission standard and is discharged by a rectangular vent 15 through a draught fan 2.
The above description is only a preferred embodiment of the present invention, and it is obvious that the present invention is not limited to the above embodiment, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts based on the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (10)
1. Saturated active carbon activation regenerating unit, characterized by includes:
the heating desorption unit comprises an oven;
the waste gas treatment unit is positioned on one side of the oven and comprises a convection absorption liquid absorption unit, a catalytic oxidation unit and a condensation unit, and the top of the waste gas treatment unit is provided with a vent;
the convection absorption liquid absorption unit is sequentially provided with a liquid collecting tank, a packing layer and a demisting section from bottom to top, waste gas absorption liquid and a spray pump are arranged in the liquid collecting tank, a spray nozzle is arranged between the demisting section and the packing layer, and the spray pump is connected with the spray nozzle through a spray pipeline;
the two ends of a condensing coil of the condensing unit are respectively communicated with the oven and the area between the packing layer and the liquid collecting tank, and the condensing coil is positioned behind the catalytic oxidation unit;
the catalytic oxidation unit is arranged at the upper part of the demisting section and comprises a plurality of UV ultraviolet lamp tubes;
and an electric control unit arranged in front of the catalytic oxidation unit.
2. The saturated activated carbon activation and regeneration device according to claim 1, wherein the heating desorption unit and the exhaust gas treatment unit are disposed on a base of a channel steel.
3. The saturated activated carbon activation regeneration device according to claim 1, wherein two ends of the condensing coil are respectively connected with the top of the oven box through an exhaust gas inlet and are connected into the convection absorption liquid absorption unit through an exhaust gas outlet.
4. The saturated activated carbon activation and regeneration device as claimed in claim 1, wherein the oven is provided with a circulating fan and a temperature sensor, and the circulating fan is positioned at the top of the oven body.
5. The saturated activated carbon activation and regeneration device according to claim 1, wherein the liquid collection tank is provided with a waste gas absorption liquid dosing port and a liquid discharge port.
6. The saturated activated carbon activation and regeneration device as claimed in claim 1, wherein the spray pipe is provided with a Y-type filter.
7. The saturated activated carbon activation and regeneration device as claimed in claim 1, wherein the liquid collection tank is provided with a glass liquid level tube, a duckbill liquid level switch and a liquid level meter cover.
8. The saturated activated carbon activation and regeneration device according to claim 1, wherein the defogging section is composed of a stainless steel screen, a wire mesh grid and a supporting device for fixing the stainless steel screen, and the wire mesh grid divides the stainless steel screen into wire mesh blocks.
9. The saturated activated carbon activation and regeneration device as claimed in claim 1, wherein the catalytic oxidation unit comprises a UV ultraviolet lamp tube, a nano titanium dioxide catalyst, and a ballast.
10. The saturated activated carbon activation and regeneration device as claimed in claim 1, wherein the electrical control unit comprises an electric cabinet, the electric cabinet adopts a PLC touch screen control panel, and a rain cover is arranged on the top of the electrical control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121726047.8U CN215843012U (en) | 2021-07-28 | 2021-07-28 | Saturated active carbon activation regenerating unit |
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| CN202121726047.8U CN215843012U (en) | 2021-07-28 | 2021-07-28 | Saturated active carbon activation regenerating unit |
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| CN215843012U true CN215843012U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713590A (en) * | 2022-03-02 | 2022-07-08 | 江西鹏琨环保科技有限公司 | Medical waste disposal equipment based on frictional heat technology |
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2021
- 2021-07-28 CN CN202121726047.8U patent/CN215843012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114713590A (en) * | 2022-03-02 | 2022-07-08 | 江西鹏琨环保科技有限公司 | Medical waste disposal equipment based on frictional heat technology |
| CN114713590B (en) * | 2022-03-02 | 2024-02-02 | 江西鹏琨环保科技有限公司 | Medical waste disinfection equipment based on friction heat technology |
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