CN204768268U - Pharmaceuticals industry waste gas treatment system - Google Patents
Pharmaceuticals industry waste gas treatment system Download PDFInfo
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- CN204768268U CN204768268U CN201520343145.1U CN201520343145U CN204768268U CN 204768268 U CN204768268 U CN 204768268U CN 201520343145 U CN201520343145 U CN 201520343145U CN 204768268 U CN204768268 U CN 204768268U
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Abstract
The utility model relates to a pharmaceuticals industry waste gas treatment system, the system includes dust collector, discharge device and catalyst reaction unit, discharge device includes the casing, the casing both ends are equipped with waste gas entry and exhaust outlet respectively, dust collector is linked together with the waste gas entry, and exhaust outlet and catalyst reaction unit are linked together, be equipped with the discharge tube in the casing, the discharge tube includes high voltage electrode, high voltage electrode outside cladding has first medium protective layer, first medium protective layer periphery is equipped with second medium protective layer, is equipped with certain clearance between first medium protective layer and the second medium protective layer. The utility model discloses a two dielectric barrier discharge structures, the one deck quartz glass's that closely cooperates outside high voltage electrode protective medium prevents effectively that the electrode from being corroded, has lengthened life, under the prerequisite of guaranteeing the treatment effeciency, has reduced secondary pollutant's formation simultaneously.
Description
Technical field
The utility model relates to a kind of exhaust treatment system, especially relates to a kind of pharmaceuticals industry exhaust treatment system.
Background technology
In recent years, the pharmaceuticals industry development of China rapidly, played an important role in the growth of national economy, and medicinal chemicals is as the basis of medicinal industry, and its output has worldwide reached more than 2000 and planted.The chemicals former medicine manufacture of China has thousands of family, possesses the ability of production more than 1500 kinds bulk drugs, is bulk drug exported country maximum in the world.In the output of bulk drug in 2010 up to 1,610,000 tons, increase by 19.9% on a year-on-year basis.Current former medicine industry has the development characteristic of " extensive style ", and namely high flow rate drops into, and high pollution is discharged, low output benefit, low technology content.Its major pollutants are crush and screen the medicine dirt particle produced in process, and at Hydrolysis kinetics, the volatile organic compounds produced in Distillation recovery process, its gaseous species is many and assorted, mainly contains phenol, aldehyde, aniline, chlorobenzene, nitrobenzene, alcohol etc.These gases are not only to environment, and serious also can cause great damage to the respiratory system of people and nervous system.
But complicated for pharmaceuticals industry emission kind at present, the feature that relative concentration is lower, conventional suction adsorbs, and combustion method processing cost is higher, and effect is bad.A set of medical exhaust treatment system is disclosed in Chinese patent CN203469756U, it is by charcoal absorption medical treatment waste gas, feature is that device volume is little, structure is simple, but its design does not have the active carbon after to effective process absorption to process, just pollution is transferred in active carbon from waste gas, therefore there is the problem of secondary pollution discharge in it.
Disclosed in China CN103055674A, emission-control equipment have employed plasma technology, and first filtered by bag filter, then carry out plasma discharge process, this design efficiently can process waste gas.But according in medical waste gas containing nitrogenous, sulfur-bearing, the organic feature such as chloride, this design the waste gas such as nitrogen dioxide, sulfur dioxide can be produced, so effectively can not avoid secondary pollution problem and the electrode corrosion problem of medical waste after plasma discharge process.Simultaneously according to national " 13 " Development of Environmental Protection planning, relevant environmental administration is is strictly investigating and prosecuting pharmaceutical manufacturer's discharge beyond standards, steathily row and is omitting situation in printing at present, ites is desirable to propose resolution targetedly, finds energy-efficient processing mode.
Utility model content
In order to overcome the deficiency that prior art exists, the utility model provides a kind of energy-efficient pharmaceuticals industry exhaust treatment system.The utility model, for pharmaceuticals industry emission complicated component and the lower feature of relative concentration, have employed double-dielectric barrier discharge and catalytic association process, and designs under automaton makes reactor remain at the most energy-conservation power consumption and run.
A kind of pharmaceuticals industry exhaust treatment system, described system comprises dust arrester, electric discharge device and catalyst reaction equipment, described electric discharge device comprises housing, described housing two ends are respectively equipped with exhaust gas entrance and waste gas outlet, described dust arrester is connected with exhaust gas entrance, and waste gas outlet is connected with catalyst reaction equipment; Discharge tube is provided with in described housing; described discharge tube comprises high-field electrode; be coated with first medium protective layer outside described high-field electrode, be arranged with second medium protective layer outside described first medium protective layer, between first medium protective layer and second medium protective layer, be provided with certain interval.
The utility model adopts double-dielectric barrier discharge structure; closely cooperate the protective medium of one deck quartz glass outside high-field electrode, effectively prevents electrode to be corroded, extend service life; simultaneously under the prerequisite ensureing treatment effeciency, reduce the generation of secondary pollution.
As preferably, described system also comprises shunting device and automatic control device, and described shunting device, electric discharge device are connected with automatic control device respectively; Described automatic control device comprises single-chip microcomputer, described exhaust gas entrance place is provided with gas concentration sensor, temperature sensor, flow sensor, be provided with transformer in described housing, described gas concentration sensor, temperature sensor, flow sensor, transformer are connected with single-chip microcomputer respectively.
The utility model adopts automatic control device to carry out feedback regulation and monitoring to system, and by gas concentration, voltage, the detection of temperature, single-chip microcomputer regulates and controls, and runs under finally making system remain at the most energy-conservation power consumption.By the Real-Time Monitoring for the temperature of exhaust gas entrance gas, concentration, flow, carry out according to response surface design the object that regulation voltage reaches control by single-chip microcomputer.
Concentration monitor: the detection wherein for gas concentration selects MS1100 to be core sensor probe, this semiconductor-type VOCs gas concentration sensor is widely used in detecting the volatile organic components such as formaldehyde, benzene, dimethylbenzene in air because of its high sensitivity and cost performance, even can detect the gas of more than 0.1ppm, response time is less than 5 seconds, measurement category 0 ~ 1000ppm, sensitivity is greater than 3%;
Temperature monitoring: serviceability temperature sensor DS18B20, temperature-measuring range is that-55 ~+125 DEG C (-67 ~+257 ℉) adopt data wire to power, sensor is installed in gas pipeline, drawn by lead-in wire and gas temperature in pipe is detected, use single-chip microcomputer to process signal, temperature signal is read in single-chip microcomputer;
Control of Voltage: use Single-chip Controlling servomotor and then the control transformer anglec of rotation, and then the size of the discharge voltage of control reactor;
Temperature controls: the temperature change signal exported according to single-chip microcomputer, opens alarm and turning off system power supply, finally make system temperature maintain alarm temperature less than 150 degrees Celsius when temperature is too high.
The utility model has installed shunting device additional on the basis automatically controlled, and can open bypass in time allow gas pass through when automatic control device detects that unusual condition is reported to the police by Open valve, plays the effect of protection main reactor discharge tube.
The utility model is made up of the dust arrester be connected, electric discharge device, catalyst reaction equipment from front to back, also has supporting shunting device and automatic control device simultaneously.Its working method is: the medicine dirt in waste gas removed by dust arrester, electric discharge device (plasma discharge treatment device) processes the volatile organic matter in waste gas efficiently, catalyst reaction equipment, by arranging catalyst after plasma discharge treatment device, makes organic molecule react further and realizes deep purifying; Automatic control device, according to exhaust gas parameters, makes reaction energy-efficient as far as possible by control voltage; Shunting device carrys out protective reaction device by the detection opening and closing valve of gas flow.
As preferably, described first medium protective layer is internal diameter 7.5 ~ 8.5mm, external diameter 9.5 ~ 10.5mm, the quartz glass tube of long 300 ~ 800mm.High-field electrode can be prevented to be corroded as under the prerequisite of medium simultaneously.
As preferably, described second medium protective layer is the quartz glass tube of thick 1 ~ 2mm.Can tolerate high voltage, meanwhile, dielectric limits the motion of charged particle on the one hand, makes the pulse that micro discharge becomes very brief one by one; Also allow micro discharge be distributed in whole electrode surface uniformly and stably on the other hand, substantially increase the probability of activated gas molecule.
As preferably, described high-field electrode is diameter 7 ~ 8.5mm, the stainless steel tube of long 300 ~ 800mm.Be fixed by passage being opened counterbore.
As preferably, be enclosed with earth electrode outside described second medium protective layer, described earth electrode adopts order number to be 20 ~ 80 object stainless (steel) wire or copper mesh.And be fixed by bolt, there is saving material, electrode surface is even, electrode structure is firm, connect the simple advantage of electric form.
As preferably, sealed by O type circle between described high-field electrode and first medium protective layer.Effectively can prevent gas leakage.
The utility model advantage is to adopt unit-modularized processing mode, and associating discharge process and catalytic treatment concerted reaction, optimization process effect, strictly controls secondary pollution.Due to lower in the concentration of discharge process after stain thing, the service life therefore for catalyst reaction equipment up to more than 30000 hours, can reduce the cost of reaction unit.
As preferably, described catalyst reaction equipment comprises catalyst body and the carrier for placing catalyst body, and described carrier adopts hole count to be the ceramic honey comb of 40 ~ 1000, and catalyst body is attached to ceramic honey comb surface by dipping.Make the even gas distribution by catalyst, increase catalyst effective affecting acreage.
As preferably, described dust arrester is sack cleaner.The rate of filtration is 0.4 ~ 1.5m/s, adopts terylene needled felt as cloth bag material.
The utility model electric discharge device have employed double-dielectric barrier discharge structure, and device is made up of high-field electrode, earth electrode, quartz glass block media.Wind speed is about 0.5 ~ 1.0m/s.Voltage is 10 ~ 40kV, frequency 1 ~ 40kHz, and waveform is sine-shaped voltage.
The utility model runs all the time under the energy-conservation operating mode of automatic control system adjustment, double-dielectric barrier discharge and chemical catalysis is utilized to process pharmaceuticals industry waste gas targetedly, can realize more energy-conservation under the prerequisite ensureing treatment effeciency, less secondary pollution discharge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model discharge tube;
Fig. 3 is the monolithic processor controlled theory diagram of the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1 ~ 3, a kind of pharmaceuticals industry exhaust treatment system, described system comprises dust arrester 10, electric discharge device 1 and catalyst reaction equipment 2, described electric discharge device 1 comprises housing, described housing two ends are respectively equipped with exhaust gas entrance 5 and waste gas outlet 6, described dust arrester 10 is connected with exhaust gas entrance 5, and waste gas outlet 6 is connected with catalyst reaction equipment 2; Discharge tube is provided with in described housing; described discharge tube comprises high-field electrode 9; be coated with first medium protective layer 8 outside described high-field electrode 9, be arranged with second medium protective layer 7 outside described first medium protective layer 8, between first medium protective layer 8 and second medium protective layer 7, be provided with certain interval.
Described system also comprises shunting device 4 and automatic control device 3, and described shunting device 4, electric discharge device 1 are connected with automatic control device 3 respectively; Described automatic control device comprises single-chip microcomputer, described exhaust gas entrance place is provided with gas concentration sensor, temperature sensor, flow sensor, be provided with transformer in described housing, described gas concentration sensor, temperature sensor, flow sensor, transformer are connected with single-chip microcomputer respectively.
Described first medium protective layer is internal diameter 7.5 ~ 8.5mm, external diameter 9.5 ~ 10.5mm, and the quartz glass tube of long 300 ~ 800mm, can prevent high-field electrode to be corroded as under the prerequisite of medium simultaneously.Described second medium protective layer is the quartz glass tube of thick 1 ~ 2mm, can tolerate high voltage, and meanwhile, dielectric limits the motion of charged particle on the one hand, makes the pulse that micro discharge becomes very brief one by one; Also allow micro discharge be distributed in whole electrode surface uniformly and stably on the other hand, substantially increase the probability of activated gas molecule.Described high-field electrode is diameter 7 ~ 8.5mm, and the stainless steel tube of long 300 ~ 800mm, is fixed by passage being opened counterbore.
Be enclosed with earth electrode 11 outside described second medium protective layer 7, described earth electrode adopts order number to be 20 ~ 80 object copper mesh, and is fixed by bolt, has saving material, electrode surface is even, electrode structure is firm, connect the simple advantage of electric form.Sealed by O type circle between described high-field electrode and first medium protective layer, effectively can prevent gas leakage.The utility model electric discharge device have employed double-dielectric barrier discharge structure, and device is made up of high-field electrode, earth electrode, quartz glass block media, and wind speed is about 0.5 ~ 1.0m/s.Voltage is 10 ~ 40kV, frequency 1 ~ 40kHz, and waveform is sine-shaped voltage.
Described catalyst reaction equipment comprises catalyst body and the carrier for placing catalyst body, described carrier adopts hole count to be the ceramic honey comb of 40 ~ 1000, catalyst body is attached to ceramic honey comb surface by dipping, the even gas distribution by catalyst can be made, increase catalyst effective affecting acreage.Described dust arrester is sack cleaner, and the rate of filtration is 0.4 ~ 1.5m/s, adopts terylene needled felt as cloth bag material.
Waste gas is via after sack cleaner collecting dust-removing, enter electric discharge device (plasma treatment section), discharge tube is by Electrode connection high voltage source, air between discharge breakdown electrode, a large amount of electronics and free radical, dissociation atom, excited state molecule isoreactivity particle is produced in nonequilibrium plasma, active particle and gas molecule collision react makes organic exhaust gas ionize, decompose, finally enter catalyst reaction equipment (catalytic section), secondary product is deposited in catalysis and is decomposed in case, thus reaches purification.
For industrial real application systems, the feature that the utility model discharges for pharmaceuticals industry multiple spot, by collecting the pipe-line system of process in a organized way, at reactor, the places such as purification tank for liquid waste are provided with corresponding collector respectively.First reacted by dust arrester after the light concentration gas convergence that each scattered emission point is collected, and then process through plasma treatment section and catalytic section, in the process of process, by the timely detection reaction temperature of automatic control device, voltage, concentration and flow, the secondary pollution after final reaction will be processed again by catalytic section.When reacting gas temperature exceedes restriction, generation is reported to the police and auto power off switch by device.
The utility model can be combined multiple accessory system and be realized Automated condtrol, when gas enters, its parameter collected temperature, concentration, flow, the voltage parameter of waste gas by temperature sensor, concentration sensor, flow sensor, potentiometer, parameter transmission processes to single-chip microcomputer inside, after contrasting with peak efficiency corresponding surface, export the magnitude of voltage needing to regulate, have single-chip microcomputer to send instruction and give stepper motor and make it rotate to corresponding angle.So constantly regulating is that voltage is in peak efficiency place constantly.When the temperature exceeds a threshold temperature, single-chip microcomputer can send instruction and stops electric discharge waiting temperature to fall after rise by force continuing to open reaction after normal.Shunting device be when detect gas flow exceed or lower than designated value time, single-chip microcomputer can be reported to the police, and opens shunting device valve, prevents discharge tube from overloading.
Claims (9)
1. a pharmaceuticals industry exhaust treatment system, it is characterized in that: described system comprises dust arrester, electric discharge device and catalyst reaction equipment, described electric discharge device comprises housing, described housing two ends are respectively equipped with exhaust gas entrance and waste gas outlet, described dust arrester is connected with exhaust gas entrance, and waste gas outlet is connected with catalyst reaction equipment; Discharge tube is provided with in described housing; described discharge tube comprises high-field electrode; be coated with first medium protective layer outside described high-field electrode, be arranged with second medium protective layer outside described first medium protective layer, between first medium protective layer and second medium protective layer, be provided with certain interval.
2. pharmaceuticals industry exhaust treatment system according to claim 1, it is characterized in that: described system also comprises shunting device and automatic control device, described shunting device, electric discharge device are connected with automatic control device respectively; Described automatic control device comprises single-chip microcomputer, described exhaust gas entrance place is provided with gas concentration sensor, temperature sensor, flow sensor, be provided with transformer in described housing, described gas concentration sensor, temperature sensor, flow sensor, transformer are connected with single-chip microcomputer respectively.
3. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: described first medium protective layer is internal diameter 7.5 ~ 8.5mm, external diameter 9.5 ~ 10.5mm, the quartz glass tube of long 300 ~ 800mm.
4. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: described second medium protective layer is the quartz glass tube of thick 1 ~ 2mm.
5. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: described high-field electrode is diameter 7 ~ 8.5mm, the stainless steel tube of long 300 ~ 800mm.
6. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: be enclosed with earth electrode outside described second medium protective layer, and described earth electrode adopts order number to be 20 ~ 80 object stainless (steel) wire or copper mesh.
7. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: sealed by O type circle between described high-field electrode and first medium protective layer.
8. pharmaceuticals industry exhaust treatment system according to claim 1, it is characterized in that: described catalyst reaction equipment comprises catalyst body and the body carriers for placing catalyst, described carrier adopts hole count to be the ceramic honey comb of 40 ~ 1000, and catalyst body is attached to ceramic honey comb surface by dipping.
9. pharmaceuticals industry exhaust treatment system according to claim 1, is characterized in that: described dust arrester is sack cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520343145.1U CN204768268U (en) | 2015-05-26 | 2015-05-26 | Pharmaceuticals industry waste gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520343145.1U CN204768268U (en) | 2015-05-26 | 2015-05-26 | Pharmaceuticals industry waste gas treatment system |
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| CN204768268U true CN204768268U (en) | 2015-11-18 |
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| CN201520343145.1U Active CN204768268U (en) | 2015-05-26 | 2015-05-26 | Pharmaceuticals industry waste gas treatment system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362866A (en) * | 2015-11-02 | 2017-02-01 | 上海寅意环保科技有限公司 | High-frequency wet blue light deduster |
| CN109107353A (en) * | 2018-09-19 | 2019-01-01 | 中国科学院大气物理研究所 | A kind of intelligence plasma emission-control equipment |
| CN110514593A (en) * | 2019-08-26 | 2019-11-29 | 江苏大学 | A kind of Energetic Materials by In-Situ Diffuse Reflection device of generation and fortifying catalytic agent surface-discharge |
-
2015
- 2015-05-26 CN CN201520343145.1U patent/CN204768268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362866A (en) * | 2015-11-02 | 2017-02-01 | 上海寅意环保科技有限公司 | High-frequency wet blue light deduster |
| CN109107353A (en) * | 2018-09-19 | 2019-01-01 | 中国科学院大气物理研究所 | A kind of intelligence plasma emission-control equipment |
| CN110514593A (en) * | 2019-08-26 | 2019-11-29 | 江苏大学 | A kind of Energetic Materials by In-Situ Diffuse Reflection device of generation and fortifying catalytic agent surface-discharge |
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| C14 | Grant of patent or utility model | ||
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