CN105344221A - Apparatus for collecting and disposing residual sulfuryl fluoride after fumigation in container as well as collecting and disposing process thereof - Google Patents
Apparatus for collecting and disposing residual sulfuryl fluoride after fumigation in container as well as collecting and disposing process thereof Download PDFInfo
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- CN105344221A CN105344221A CN201510699827.0A CN201510699827A CN105344221A CN 105344221 A CN105344221 A CN 105344221A CN 201510699827 A CN201510699827 A CN 201510699827A CN 105344221 A CN105344221 A CN 105344221A
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Abstract
The invention relates to an apparatus for collecting and disposing residual sulfuryl fluoride after fumigation in a container as well as a collecting and disposing process thereof. The apparatus comprises a chemical absorption unit, an air compressor, a gas regulating valve, a gas spray gun, a spray gun connection hose, a gas defoaming pot, a gas buffer tank, a telescopic gas-collecting hood, a gas collection connection hose, and a van-type automobile. According to the invention, the residual sulfuryl fluoride after fumigation in the container can be collected and processed by employing a gas-collecting hood enclosed mode, the concentration of sulfuryl fluoride after circular process in the container can reach a national emission standard, by relative to a current ventilation mode, the residual sulfuryl fluoride in the container is discharged into atmosphere, atmosphere environment and people health can be protected, diffusion time for the residual sulfuryl fluoride after fumigation in the container can be greatly shortened, a circulation rate of cargos in the container is increased, rapid development of national economy can be promoted, and the apparatus has the advantages of high efficiency, low energy consumption, simple process flow, small equipment volume and realization of mobile treatment.
Description
Technical field
The present invention relates to a kind of collection and treatment device and technique of vikane, more specifically, it relates to collection and treatment device and the collection treatment process of residual sulphur acyl fluorides in a kind of stifling rear container.
Background technology
Container be a kind of have some strength, rigidity and specification specialize in turnover use large-scale goods container, because of convenience during its transshipment cargo, be widely used in freight transportation process.In use, suffocating treatment of quarantining is needed to the container for pass in and out animals and plants product and goods Wooden package.Fumigant vikane is as the important substitute of Celfume, because it has that diffusion permeability is strong, broad spectrum disinfestation, formulation rate are few, desinsection speed is fast, low temperature is easy to use and the advantage such as zero ozone depletion, be applied to the stifling of the fields such as container, warehouse, grain, soil more and more widely.
At present, for the process of residual sulphur acyl fluorides in stifling rear container, the mode of ventilation is often adopted by residual vikane toxic emission in air.At the end of stifling, owing to being filled with goods in container, the concentration of residual sulphur acyl fluorides is greater than 10000ppm usually, and the high concentration vikane discharged with the wind has had a strong impact on the health of surrounding resident and relevant practitioner.In addition, due to the restriction of this body structure of container, only have one end can open wide loose gas, make the loose gas time of container usually need 18-24 hour.Not only treatment effeciency is low for the processing mode of this ventilation, has a strong impact on currency efficiency, and brings serious impact to environmental protection and human health, and a large amount of vikanes is discharged in air, exacerbates greenhouse effects.Therefore, in the stifling rear container of development new technologies process, residual sulphur acyl fluorides is very urgent.
Chinese patent CN201010256651.9 discloses a kind of method that nonequilibrium plasma removes vikane, can effectively remove vikane waste gas, but energy consumption is large, and plasma discharge processes easily produces the problem of the secondary pollution such as nitrogen oxide, ozone.Chinese patent CN201110445113.9 discloses a kind of method that plasmon coupling chemical absorbing removes vikane, first in plasma reactor, realize removing of vikane, the chemical absorbing of gaseous product is completed again in absorption tower, effectively avoid the secondary pollution problem that gas discharge produces, but there is complex process, problem that energy consumption is large.Chinese patent CN201320395223.3 discloses a kind of device removing vikane based on chemical absorbing, this device utilizes chemical absorbing principle to achieve removing of vikane, efficiently avoid the problems such as secondary pollution, energy consumption are large, complex process, but be faced with the two large problems how collected with residual higher concentration vikane in fast processing container.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, after simple, portable stifling of a kind of efficient, low energy consumption, technique is provided in container residual sulphur acyl fluorides collection and treatment device with collect treatment process.
The collection and treatment device of residual sulphur acyl fluorides in described a kind of stifling rear container, comprise chemical absorption unit and container, it is characterized in that described chemical absorption unit comprises chemical absorption unit main body and is arranged on gas phase import in chemical absorption unit main body, gaseous phase outlet, chemical absorbent and circulating pump is provided with in chemical absorption unit main body, described gas phase import connects container by gas collection connecting hose, forms the air inlet pipeline of vikane treating apparatus; Described gaseous phase outlet connects gas foam removal tank, air compressor, gas buffer tank successively, and gas buffer tank to be ined succession gas spray gun by spray gun connecting hose, and gas spray gun one end is positioned at container, forms the outlet pipe of vikane treating apparatus; Container and chemical absorption unit main body, air inlet pipeline and outlet pipe together constitute the gas return path of this treating apparatus, and described air compressor is mainly for delivery of vikane waste gas and provide the source of the gas purged in container needed for residual sulphur acyl fluorides.
The collection and treatment device of residual sulphur acyl fluorides in described a kind of stifling rear container, characterized by further comprising scalable gas skirt, described scalable gas skirt is made up of square column body and cone portion, its square column body is Collapsible structure, square column body one end and container are tightly connected, cone one end is connected with gas collection connecting hose, and gas spray gun one end is positioned at scalable gas skirt.
The collection and treatment device of residual sulphur acyl fluorides in described a kind of stifling rear container, characterized by further comprising van, described chemical absorption unit, gas foam removal tank, air compressor and gas buffer tank are all placed in van, van is provided with two holes, is respectively used to spray gun connecting hose and gas collection connecting hose and walks pipe.
In described a kind of stifling rear container, the collection and treatment device of residual sulphur acyl fluorides, is characterized in that described chemical absorbent is alkali lye, is preferably the sodium hydroxide solution of 5%.
The collection and treatment device of residual sulphur acyl fluorides in described a kind of stifling rear container, it is characterized in that gas buffer tank gas outlet end is provided with gas control valve, gas control valve is for regulating the gas flow carried out in spray gun connecting hose.
In described a kind of stifling rear container, the collection and treatment device of residual sulphur acyl fluorides, is characterized in that described gas spray gun is provided with switch-mode regulation gas flow.
Described collection and treatment device, to the collection treatment process of residual sulphur acyl fluorides in stifling rear container, is characterized in that the chamber door comprising the steps: to open container, has one end of door to be tightly connected scalable gas skirt and container, run chemical absorption unit successively, air compressor, open gas spray gun switch, carry through air compressor, after stifling, in container, residual sulphur acyl fluorides waste gas passes through scalable gas skirt, gas collection connecting hose enters the process of chemical absorption unit main body through the import of chemical absorption unit gas phase, the air of Ex-all vikane is through chemical absorption unit gaseous phase outlet, gas foam removal tank, air compressor, gas buffer tank, gas control valve, spray gun connecting hose, gas spray gun is got back in container, the vikane residual to container purges, constantly replace gas in container simultaneously, circular treatment until in container vikane concentration up to standard.
The described collection treatment process to residual sulphur acyl fluorides in stifling rear container, is characterized in that processing procedure collection circulates, purges, is replaced into the circulating treatment procedure of one.
The described collection treatment process to residual sulphur acyl fluorides in stifling rear container, is characterized in that the chemical absorption unit main body of chemical absorption unit is built with chemical absorbent.
The described collection treatment process to residual sulphur acyl fluorides in stifling rear container, is characterized in that the connection of described scalable gas skirt and container is for being tightly connected.
By adopting above-mentioned technology, compared with prior art, beneficial effect of the present invention is as follows:
1) the present invention is by arranging connected scalable gas skirt in container air outlet valve side, and this gas skirt is set to is made up of telescopic square column body and cone portion, its square column body connects container, cone portion connects gas collection connecting hose, not only increase the reliable and convenience of connection between equipment, and improve sealing, ensure that residual sulphur acyl fluorides waste gas not dilute by container extraneous air, enter chemical absorption unit under making vikane waste gas be in higher concentration and carry out absorption process, be conducive to removing of sulfuryl fluoride gas, avoid the problem of the large volume low-concentration vikane exhaust-gas treatment difficulty because of extraneous air dilution generation simultaneously,
2) the present invention is by adopting van, is arranged on respectively in van by other equipment except container, not only its compact conformation, takes up room little, and its conveniently moving, uses flexibility strong;
3) the present invention adopts gas skirt air-tight manner to collect vikane residual in the stifling rear container of process, in container after circular treatment, vikane concentration reaches discharging standards, residual sulphur acyl fluorides in container to be discharged in air relative to current draft type and not only to protect the healthy of atmospheric environment and people by this invention, and highly shortened the loose gas time of residual sulphur acyl fluorides in stifling rear container, improve the circulating rate of container cargo, facilitate the fast development of national economy, it has efficiently, low energy consumption, technological process is simple, equipment volume is little, the advantages such as portable process.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram of the present invention;
Fig. 2 is the graph of a relation that vikane of the present invention removes speed and vikane inlet gas concentration.
In figure: 1-chemical absorption unit, the import of 101-gas phase, 102-gaseous phase outlet, 103-chemical absorption unit main body, 2-gas foam removal tank, 3-air compressor, 4-gas buffer tank, 5-gas control valve, 6-spray gun connecting hose, 7-gas spray gun, 8-container, the scalable gas skirt of 9-, 10-gas collection connecting hose, 11-van.
Detailed description of the invention
Below in conjunction with Figure of description and embodiment, the present invention is described further, but protection scope of the present invention is not limited in this:
As shown in Figure 1, the collection and treatment device of residual sulphur acyl fluorides in stifling rear container of the present invention, comprise chemical absorption unit 1, gas foam removal tank 2, air compressor 3, gas buffer tank 4, container 8, scalable gas skirt 9 and van 11, described chemical absorption unit 1 comprises chemical absorption unit main body 103, NaOH solution circulating pump and the gas phase import 101 that is arranged in chemical absorption unit main body 103 and gaseous phase outlet 102, described gas phase import 101 connects scalable gas skirt 9 through gas collection connecting hose 10, forms the air inlet pipeline of vikane treating apparatus; Described gaseous phase outlet 102 connects gas spray gun 7 through gas foam removal tank 2, air compressor 3, gas buffer tank 4 and spray gun connecting hose 6 successively, form the outlet pipe of vikane treating apparatus, gas buffer tank 4 gas outlet arranges gas control valve 5, regulate the gas flow in spray gun connecting hose 6 inflow gas spray gun 7 by gas control valve 5, gas spray gun 7 stretches in scalable gas skirt 9; Scalable gas skirt 9 one end is square cylinder structure, the other end is cone structure, its square cylinder structure one end and container 8 are tightly connected, gas collection connecting hose 10 one end, cone structure one end, connects the gas return path that container 8, scalable gas skirt 9 and chemical absorption unit main body 103, air inlet pipeline and outlet pipe together constitute this treating apparatus; Described air compressor 3 is mainly for delivery of vikane waste gas and provide the source of the gas purged in container 8 needed for residual sulphur acyl fluorides.
Described chemical absorption unit main body 103, built with chemical absorbent, is generally alkali lye, chemical absorbent used in the embodiment of the present invention to be mass fraction be 5% sodium hydroxide solution, for absorbing vikane.
In order to simplify its structure, make device compacter, in the device of the embodiment of the present invention, chemical absorption unit 1, gas foam removal tank 2, air compressor 3, gas buffer tank 4 etc. are all arranged in van 11, scalable gas skirt 9 is arranged on outside van 11, and scalable gas skirt 9 is detachable, in the needs process residual used time, scalable gas skirt 9 is arranged on the one side of container 8 with door, and is tightly connected with it.
Embodiment 1: in the embodiment of the present invention, each equipment used is specific as follows:
Chemical absorption unit: long 4 meters, wide 1.5 meters, high 2 meters;
Chemical absorbent: mass fraction is the sodium hydroxide solution of 5%;
NaOH solution circulating pump power of motor is 2 kilowatts, and fluid flow is 30m
3/ h;
The power of motor of air compressor is 4 kilowatts, and gas flow is 50m
3/ h;
Gas analysis: the analysis of high concentration vikane adopt SF-containIR, accuracy be full scale reading ± 4%; The analysis of low concentration vikane adopts SF-ExplorIR, and sensitivity is 1ppm, lower than discharging standards≤5ppm;
Pending container relevant parameter: 40 chi containers (long 12 meters, wide 2.35 meters, high 2.35 meters), loading filling rate is about 90%, and vikane formulation rate is 20g/m
3(reference entry and exit port sanitized common drug usage criteria SN/T1759-2006 regulation vikane formulation rate is 5-25g/m
3), airtight 24 hours;
Based on the collection treatment process of residual sulphur acyl fluorides in the stifling rear container of apparatus of the present invention, comprise the following steps:
1) chamber door (in container 8, residual sulphur acyl fluorides initial concentration is about 47000ppm after testing) of container 8 is opened, one end of square cylinder one end of scalable gas skirt 9 and container 8 chamber door is tightly connected, again cone one end of scalable gas skirt 9 is connected gas collection connecting hose 10 one end, gas collection connecting hose 10 other end connects the gas phase import 101 of chemical absorption unit 1, the gaseous phase outlet 102 of chemical absorption unit 1 connects gas foam removal tank 2 successively, air compressor 3, gas buffer tank 4, gas buffer tank 4 gas outlet end connects spray gun connecting hose 6 one end, spray gun connecting hose 6 other end connects gas spray gun 7, gas spray gun 7 stretches in scalable gas skirt 9,
2) run NaOH solution circulating pump, the air compressor 3 of chemical absorption unit 1 successively, open gas spray gun 7 switch simultaneously;
3) carry through air compressor 3, after stifling, in container, residual sulphur acyl fluorides waste gas passes through scalable gas skirt 9, gas collection connecting hose 10 enters in chemical absorption unit main body 103 through the gas phase import 101 of chemical absorption unit 1, the sodium hydroxide solution of in chemical absorption unit main body 103 5% absorbs vikane, the air of Ex-all vikane is successively through the gaseous phase outlet 102 of chemical absorption unit 1, gas foam removal tank 2, air compressor 3, gas buffer tank 4, spray gun connecting hose 6, gas spray gun 7 is got back to the interior vikane remained that purges of container 8 and is also constantly replaced gas in container 8, circular treatment until in container 8 vikane concentration up to standard, in processing procedure, constantly sampling point plate is carried out to container 8, the air velocity of gas spray gun 7 can be according to actual needs, regulated by gas control valve 5.
Operation result shows: the container 8 that residual sulphur acyl fluorides initial concentration is about 47000ppm is through collection and treatment device process of the present invention after 10 minutes, and in container 8, vikane concentration is less than 5ppm, reaches discharging standards; The process energy consumption of this container 8 is 1 kilowatt hour, calculate by commercial power 1 yuan/kilowatt hour, the processing cost of this container 8 is 1 yuan, within one day, calculated by 12 hours, within 1 year, calculated by 300 days, 1 vikane collection and treatment device of the present invention can process container 21600 case for 1 year, removes vikane 28.03 tons, is equivalent to reducing emission of carbon dioxide 13.39 ten thousand tons.
In addition, fluid flow 30m in the chemical absorption unit main body 103 keeping present treatment device
3/ h, the gas flow 50m of its gas phase import 101
3under the condition that/h is constant, investigate vikane inlet gas concentration removes speed impact on this device vikane, its operation result as shown in Figure 2, as can be drawn from Figure 2, vikane removes speed and increases along with the increase of vikane inlet gas concentration, draw from the result of Fig. 2: guarantee container 8 in residual sulphur acyl fluorides not dilute by extraneous air, be conducive to the fast eliminating of residual sulphur acyl fluorides in container 8, therefore, for the process of residual sulphur acyl fluorides in container 8, the closed method of collecting process of scalable gas skirt 9 is adopted more to be conducive to the fast eliminating of vikane.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (10)
1. fumigate the collection and treatment device of residual sulphur acyl fluorides in rear container for one kind, comprise chemical absorption unit (1) and container (8), it is characterized in that described chemical absorption unit (1) comprises chemical absorption unit main body (103) and is arranged on gas phase import (101) in chemical absorption unit main body (103), gaseous phase outlet (102), chemical absorption unit main body is provided with chemical absorbent and circulating pump in (103), described gas phase import (101) connects container (8) by gas collection connecting hose (10), forms the air inlet pipeline of vikane treating apparatus; Described gaseous phase outlet (102) connects gas foam removal tank (2), air compressor (3), gas buffer tank (4) successively, gas buffer tank (4) to be ined succession gas spray gun (7) by spray gun connecting hose (6), gas spray gun (7) one end is positioned at container (8), forms the outlet pipe of vikane treating apparatus; Container (8) and chemical absorption unit main body (103), air inlet pipeline and outlet pipe together constitute the gas return path of this treating apparatus.
2. a kind of collection and treatment device fumigating residual sulphur acyl fluorides in rear container according to claim 1, characterized by further comprising scalable gas skirt (9), described scalable gas skirt (9) is made up of square column body and cone portion, its square column body is Collapsible structure, square column body one end and container (8) are tightly connected, cone one end is connected with gas collection connecting hose (10), and gas spray gun (7) one end is positioned at scalable gas skirt (9).
3. a kind of collection and treatment device fumigating residual sulphur acyl fluorides in rear container according to claim 1, characterized by further comprising van (11), described chemical absorption unit (1), gas foam removal tank (2), air compressor (3) and gas buffer tank (4) are all placed in van (11), van (11) is provided with two holes, is respectively used to spray gun connecting hose (6) and gas collection connecting hose (10) and walks pipe.
4. a kind of collection and treatment device fumigating residual sulphur acyl fluorides in rear container according to claim 1, is characterized in that described chemical absorbent is alkali lye, is preferably the sodium hydroxide solution of 5%.
5. a kind of collection and treatment device fumigating residual sulphur acyl fluorides in rear container according to claim 1, it is characterized in that gas buffer tank (4) gas outlet end is provided with gas control valve (5), gas control valve (5) is for regulating the gas flow carried out in spray gun connecting hose (6).
6. a kind of collection and treatment device fumigating residual sulphur acyl fluorides in rear container according to claim 1, is characterized in that described gas spray gun (7) is provided with switch-mode regulation gas flow.
7. one kind adopts collection and treatment device according to claim 1 to the collection treatment process of residual sulphur acyl fluorides in stifling rear container, it is characterized in that the chamber door comprising the steps: to open container (8), have one end of door to be tightly connected in scalable gas skirt (9) and container (8), run chemical absorption unit (1) successively, air compressor (3), open gas spray gun (7) switch, carry through air compressor (3), after stifling, in container, residual sulphur acyl fluorides waste gas passes through scalable gas skirt (9), gas collection connecting hose (10) enters chemical absorption unit main body (103) process through chemical absorption unit (1) gas phase import (101), the air of Ex-all vikane is through chemical absorption unit (1) gaseous phase outlet (102), gas foam removal tank (2), air compressor (3), gas buffer tank (4), gas control valve (5), spray gun connecting hose (6), gas spray gun (7) is got back in container (8), the vikane residual to container (8) purges, constantly replace container (8) interior gas simultaneously, circular treatment is until container (8) interior vikane concentration is up to standard.
8. the collection treatment process to residual sulphur acyl fluorides in stifling rear container according to claim 7, is characterized in that processing procedure collection circulates, purges, is replaced into the circulating treatment procedure of one.
9. the collection treatment process to residual sulphur acyl fluorides in stifling rear container according to claim 7, is characterized in that the chemical absorption unit main body (103) of chemical absorption unit (1) is built with chemical absorbent.
10. the collection treatment process to residual sulphur acyl fluorides in stifling rear container according to claim 7, is characterized in that the connection of described scalable gas skirt (9) and container (8) is for being tightly connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510699827.0A CN105344221B (en) | 2015-10-26 | 2015-10-26 | The collection and treatment device of residual vikane is with collecting handling process in a kind of stifling rear container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510699827.0A CN105344221B (en) | 2015-10-26 | 2015-10-26 | The collection and treatment device of residual vikane is with collecting handling process in a kind of stifling rear container |
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| Publication Number | Publication Date |
|---|---|
| CN105344221A true CN105344221A (en) | 2016-02-24 |
| CN105344221B CN105344221B (en) | 2018-02-27 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000052A (en) * | 2016-07-09 | 2016-10-12 | 夏明星 | Equipment for harmless processing of container sterilizing gas |
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| US3620409A (en) * | 1969-11-03 | 1971-11-16 | Milton Rosenbaum | Storage chest for silverware or the like |
| CN1449975A (en) * | 2002-04-11 | 2003-10-22 | 李长忠 | Intelligent low-temp dried grain storage system |
| CN101133273A (en) * | 2005-03-01 | 2008-02-27 | 亚洲环球运输服务有限公司 | A portal apparatus and method for its use |
| CN103349895A (en) * | 2013-07-03 | 2013-10-16 | 浙江工业大学 | Device and process for removing sulfuryl fluoride based on chemical absorption |
| CN103386141A (en) * | 2013-08-09 | 2013-11-13 | 杨欣蕾 | Quarantine and disinfection device and method of import and export goods |
-
2015
- 2015-10-26 CN CN201510699827.0A patent/CN105344221B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3620409A (en) * | 1969-11-03 | 1971-11-16 | Milton Rosenbaum | Storage chest for silverware or the like |
| CN1449975A (en) * | 2002-04-11 | 2003-10-22 | 李长忠 | Intelligent low-temp dried grain storage system |
| CN101133273A (en) * | 2005-03-01 | 2008-02-27 | 亚洲环球运输服务有限公司 | A portal apparatus and method for its use |
| CN103349895A (en) * | 2013-07-03 | 2013-10-16 | 浙江工业大学 | Device and process for removing sulfuryl fluoride based on chemical absorption |
| CN103386141A (en) * | 2013-08-09 | 2013-11-13 | 杨欣蕾 | Quarantine and disinfection device and method of import and export goods |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000052A (en) * | 2016-07-09 | 2016-10-12 | 夏明星 | Equipment for harmless processing of container sterilizing gas |
| CN106000052B (en) * | 2016-07-09 | 2018-07-17 | 夏明星 | A kind of Inter-fumigation of Container Cargo gas harmless processing unit |
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| CN105344221B (en) | 2018-02-27 |
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