CN100515191C - Fumigation system - Google Patents
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- CN100515191C CN100515191C CNB2006100114544A CN200610011454A CN100515191C CN 100515191 C CN100515191 C CN 100515191C CN B2006100114544 A CNB2006100114544 A CN B2006100114544A CN 200610011454 A CN200610011454 A CN 200610011454A CN 100515191 C CN100515191 C CN 100515191C
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Abstract
The present invention relates to one kind of fumigating system, which consists of several fumigating warehouses communicated mutually and with inside airtight space; one fumigant throwing unit communicated to all the fumigating warehouses, one fumigant gas path unit communicated to all the fumigating warehouses for forming one closed fumigant circulating path, and one fumigant exhausting and recovering gas path unit communicated to all the fumigating warehouses for forming closed fumigant recovering path. The fumigating system is for large scale log fumigation, and has excellent control performance, high automation, high efficiency, high safety and environment friendship.
Description
Technical field
The present invention relates to a kind of fumigation system, be mainly used in the disinfection of quarantining on a large scale such as log, Wooden package, furniture and other cargoes imported and exported, also can be used for stifling processing other goods that contain pest (as insect, bacterium, fungi, nematode and weeds etc.).
Background technology
At present, on the one hand, along with rapid development of economy, the timber of China's domestic production is that quantity or quality all do not satisfy demand far away, and the expert estimates that taking this situation of fundamental reversal needs 50 years at least.And on the other hand, along with world today's environment worsens day by day, people's environmental consciousness is constantly strengthened, and in order to protect environment, then needs to reduce the felling of forest log, keeps ecological balance.Therefore, except that country steps up to build forest plantation, takes various timber conservation measures and the development substitute for wood, practical measures are exactly a large amount of imported timbers.But because the pest quantity that imported log carries is many, kind wide, the monoid complex structure, the quarantine of log has become important aspect in the plant quarantine.
The present forest coverage of China is very low, if external dangerous pest is invaded China, to the strike of China's Forest Resources with hardly imaginable.External pest invasion has caused great harm to China's ecology, environment and agriculture forest and husbandry production safety, has caused extensive concern.Spread wantonly as fall webworm, pine wood nematode, wet-land pine tree mealybug, rice water weevil, African helix, Americal rice leaf miner, artemisiifolia, fragrant eupatorium herb, weter hyacinth, rice grass etc., the loss of causing for China's agriculture forest and husbandry production is above 1,000 hundred million yuans.Therefore, resist the invasion of external pest, very urgent.External pest invasion has equally also caused the extensive concern of countries in the world.The report of submitting to the United Nations according to the U.S., India, South Africa shows that these 3 the annual losses that cause because of the alien species invasion of country are respectively 1,370 hundred million dollars, 1,300 hundred million dollars and 80,000,000,000 dollars.Therefore, in order to protect national interests, countries in the world propose strict quarantine request one after another.
Along with the reinforcement of various countries to the quarantine disinfection, people fumigate and will continue to be used widely as cost-effective quarantine disinfection method the growing interest of quarantine disinfection.In order to protect atmospheric ozone layer, international community requires to reduce the usage amount of Celfume as far as possible, perhaps improves the air-tightness of existing stifling facility, discharges Celfume to reduce in atmosphere.
Utilizing stifling the removing the evil of fumigant is technique known, utilize fumigant in the place that can control as stifling storehouse, airtight tent, warehouse, the mobile method of carrying out the kill harmful biology in the airtight various containers of energy such as case of fumigating.Existing various fumigating method and facility all have pluses and minuses separately., spirit stifling convenient as tent and, economical, can adapt to various goods shapes and goods size, but its shortcoming also is fairly obvious, air-tightness is not high, fumigation medicament leaks many, and is not too safe to stifling operating personnel, easily causes serious environmental to pollute, fumigation medicament is difficult to be evenly distributed, fumigating effect does not ensure that the stifling gas time of loosing is long, is subjected to weather effect etc. easily.Fix stifling facility, as stifling storehouse, though fumigating effect is guaranteed after having certain air-tightness, outfit relevant device, in case construction is just not removable, applicability is relatively poor relatively.Move stifling case, though have mobile preferably flexibility, its stifling volume is less, can not satisfy the stifling requirement of extensive log.
Summary of the invention
Problem to be solved by this invention is to provide a kind of fumigation system, overcomes the defective of the above-mentioned technology of usefulness earlier, can satisfy that extensive log stifling requirement, control performance are good, equipment operation automaticity height, effective, safety, environmental protection.
To achieve these goals, the invention provides a kind of fumigation system, its characteristics are that it comprises: a plurality of stifling storehouses, and the inner formation one in each stifling storehouse is used to hold the airtight space of article, and these a plurality of stifling storehouses can be communicated with each other; One is used for the fumigant dispensing unit to described stifling storehouse dispensing, and this unit can be communicated with each stifling storehouse; One makes fumigant equally distributed stifling gas circuit unit in described stifling storehouse, and this unit can be communicated with each stifling storehouse, and forms the stifling circulation path of closed circulation; One reclaims and discharges the recovery gas circuit unit of useless fumigant, and this unit can be communicated with each stifling storehouse, and forms the recovery circulation path of closed circulation; And the parsing gas circuit unit of the useless fumigant of a parsing, this unit is communicated with described recovery gas circuit unit.
Above-mentioned fumigation system, its characteristics are that described stifling storehouse includes: the body of wall that fixes on the ground, this body of wall and ground form a plurality of semi-open-type spaces with an inlet; Tarpaulin covers top, wherein one or more semi-open-type spaces, and and body of wall, ground between by the sealing fixture sealing and fixing, form one or more airtight spaces.
Above-mentioned fumigation system, its characteristics are that described stifling gas circuit unit includes: a circulating fan; One first stifling circulation line, an end of this pipeline is communicated with the air inlet of circulating fan, and the other end is communicated with each stifling storehouse respectively by a plurality of first branch roads respectively; A plurality of first two-way valves, correspondence are arranged in each first branch road, are used to make the stifling storehouse of first branch road and each to be communicated with or not to be communicated with; One second stifling circulation line, the one end is communicated with the air outlet of circulating fan, and the other end is communicated with each stifling storehouse respectively by a plurality of second branch roads respectively; A plurality of second two-way valves, correspondence are arranged in each second branch road, are used to make the stifling storehouse of second branch road and each to be communicated with or not to be communicated with.
Above-mentioned fumigation system, its characteristics are that described recovery gas circuit unit includes: one absorbs the cabin, is provided with at least one group of absorbent bed in it, is attached with the sorbing material that is used to adsorb useless fumigant on this absorbent bed; One absorption blower fan; One first reclaims circulation line, and the one end is communicated with the absorption air inlet, and the other end is communicated with between described a plurality of second two-way valves and circulating fan air outlet with the second stifling circulation line; One the 3rd two-way valve is arranged on first and reclaims in the circulation line, is used to make the first recovery circulation line to be communicated with or not to be communicated with; One second reclaims circulation line, and the one end is communicated with the absorption cabin, and the other end and the second stifling circulation line are communicated with between described a plurality of second two-way valves and circulating fan air outlet; One the 4th two-way valve is arranged on second and reclaims in the circulation line, is used to make the second recovery circulation line to be communicated with or not to be communicated with; One the 3rd reclaims circulation line, and the one end is communicated with the absorption fan outlet, and the other end is communicated with the absorption cabin; One heater is arranged on the 3rd and reclaims in the circulation line; One filter is arranged on first between the 3rd two-way valve and the absorption air inlet and reclaims on the circulation line.
Above-mentioned fumigation system, its characteristics are, described parsing gas circuit unit includes: the first parse cycle pipeline, one end and first reclaim circulation line and are communicated with between the 3rd two-way valve and filter, and the other end and second reclaims circulation line and is communicated with between the 4th two-way valve and absorption cabin; The 5th two-way valve is arranged in the first parse cycle pipeline, is used to make the first parse cycle pipeline connection or is not communicated with; Wherein, this first parse cycle pipeline and described filter, absorption blower fan, heater, the 3rd reclaim circulation line, the parsing loop that circulation line constitutes closed circulation is reclaimed in absorption cabin, second.
Above-mentioned fumigation system, its characteristics are that described fumigant dispensing unit comprises: metering device; Fumigant storage medicine bottle, this storage medicine bottle is placed on the metering device; One administration line set; One fumigant gasifier, an end of this gasifier is communicated with described storage medicine bottle by administration line set, and the other end is communicated with the second stifling circulation line of described gas circuit unit by a connecting pipe road; One dispensing control device, this device is arranged on the administration line set, is used to control the fumigant dosage.
Above-mentioned fumigation system, its characteristics are that described fumigation system also includes automatic detection device, and it comprises a fumigating concentration detecting unit, and this unit comprises: be arranged on the signal piping in the described stifling storehouse, be used for gathering stifling storehouse fumigant sample; One concentration analysis device, check and analysis are from the sample of said signal piping; One concentration display unit shows the change in concentration from said concentration analysis device.
Above-mentioned fumigation system, its characteristics are that described automatic detection device also comprises a temperature detecting unit, and this unit comprises: temperature sensor is used for detecting stifling storehouse variations in temperature; One temperature indicating device is used to show the variations in temperature from said temperature sensor.
Above-mentioned fumigation system, its characteristics are that described fumigation system also includes automaton, and it comprises: data acquisition unit is used to gather from each unit of automatic detection device and detects the data that obtain; Control module, be connected with described data acquisition unit, dispensing unit, stifling gas circuit unit, recovery gas circuit unit, parsing gas circuit unit, be used to analyze the data that obtain that detect, and according to the dosage of analysis result control dispensing unit, and the On/Off of controlling the two-way valve in each gas circuit unit.
According to fumigation system provided by the present invention, on the one hand, owing to forming in its stifling storehouse, so can only use a cover fumigation apparatus can realize the stifling on a large scale work of large tracts of land simultaneously by a plurality of connections; And after a stifling storehouse is finished and fumigated therein, fumigating gas wherein can be delivered in another stifling storehouse and be reused the saving cost.And this stifling storehouse is made of fixing body of wall and tarpaulin, not only can work simultaneously according to one or more stifling storehouses of how much selecting of goods, and can utilize tarpaulin to expand stifling space to greatest extent, satisfies the stifling needs of extensive log; In addition, by adopting the high-intensity airtight tarpaulin of high-quality, also guaranteed the airtight effect in stifling storehouse and guaranteed final fumigating effect and personnel's safety.
On the other hand, the present invention is by automatic detection device and automatic control system, after setting dispensing dosage, can finish dosing and gasification automatically and render in the stifling storehouse, and can fumigation medicament is evenly distributed in the storehouse with fumigating fast, and can gathers fumigation medicament in the stifling storehouse automatically and carry out mensuration, record and the transfer of data of concentration and temperature; Utilize retracting device will fumigate in the storehouse absorption of residue fumigation medicament and can reuse.Like this, not only reduce cost, improved circulatory fumigation performance and operating efficiency, also can significantly reduce the usage amount of fumigant, shortened fumigation time, and reduced the pollution of waste gas to atmosphere, environmental protection more, safety.
Description of drawings
Fig. 1 is a fumigation system working mechanism block diagram of the present invention;
Fig. 2 is the composition structural representation of fumigation system of the present invention;
Fig. 3 is the simple structure schematic diagram of automatic detection device and automatic control system in the fumigation system of the present invention;
Fig. 4 is the schematic diagram of dispensing process in the fumigation system of the present invention;
Fig. 5 is the schematic diagram of circulatory fumigation process in the fumigation system of the present invention;
Fig. 6 is the schematic diagram of tail gas recycle process in the fumigation system of the present invention;
Fig. 7 is the schematic diagram of fumigant resolving in the fumigation system of the present invention;
Fig. 8 is the schematic diagram of the fumigant recycling process after resolving in the fumigation system of the present invention.
Embodiment
Referring to Fig. 1, the working mechanism of fumigation system of the present invention is as follows: the methyl bromide fumigation agent of storage in the medicine bottle 101 is after metering device 102 (as electronic scale etc.) metering and gasifier 103 gasify, under the circulation effect of circulation blower fan 104, thereby realize that in stifling storehouse 105 evenly distribution reaches the purpose of log or timber being carried out airtight fumigant insect killing; By the fumigating concentration automatic detection device concentration of Celfume is carried out detection record to guarantee final fumigating effect and to be convenient to quarantine supervision during this period; Behind stifling the end, utilize device for absorbing tail gas 106 will fumigate that remaining Celfume tail gas absorb with the protection environment in the storehouse 105, the Celfume that absorbs is resolved by heating utilize again or after harmless treatment, discharge.Preferable, in the present invention, can adopt the whole stifling process of control system 107 controls, for example, whole fumigation system can adopt PLC control, from offer medicine quantitatively, operations such as circulation, tail gas absorption only need simple the setting, with regard to finishing automatically of programmable; Adopt CE operating system to realize that concentration monitors automatically, from automatic sampling, detect record and transfer of data, reduced the human factor influence.
Describe a preferred embodiment of fumigation system of the present invention in detail below in conjunction with Fig. 2.
As shown in Figure 2, show the composition of the preferable fumigation system of the present invention one, comprise, a plurality of stifling storehouses, stifling gas circuit unit, fumigant dispensing unit, reclaim the gas circuit unit, resolve gas circuit unit etc.
Wherein, these a plurality of stifling storehouses 21,22,23,24, the inner formation one in each stifling storehouse is used to hold the airtight space of article, and these a plurality of stifling storehouses 21,22,23,24 can be communicated with each other.Should stifling storehouse can and cover body of wall and ground tarpaulin constitutes described airtight space by the body of wall that fixes on the ground, wherein, this body of wall can be formed with the semi-open-type space of inlet with ground, this tarpaulin is according to what of goods, cover wherein one or more tops, semi-open-type space, and and body of wall, ground between by the sealing fixture sealing and fixing, form airtight space.The stifling storehouse of this structure of the present invention not only can utilize the stifling space of tarpaulin expansion as required, and build conveniently, is particularly useful for the extensive quarantine disinfection demand as log and other items.
Wherein, this fumigant dispensing unit is used for to described stifling storehouse dispensing, and this unit can be communicated with each stifling storehouse.This fumigant dispensing unit comprises: electronic scale 11; Fumigant storage medicine bottle 12, this storage medicine bottle 12 is placed on the electronic scale 11; One fumigant gasifier 14 is used for the liquid fumigant is gasified; Administration line set 123, one ends connect fumigant storage medicine bottle 12, and the other end connects gasifier 14; One dispensing control device 13, this device is arranged on the administration line set 123, is used to control the fumigant dosage.
Wherein, should fumigant evenly be distributed stifling gas circuit unit in described stifling storehouse, this unit can be communicated with each stifling storehouse, and form the stifling circulation path of closed circulation, and can cooperate other gas circuit unit to be used for stifling storehouse 21,22,23,24 is made fumigant evenly distribute in stifling storehouse and reclaims or the discharging fumigant that gives up.Should comprise stifling gas circuit unit: a circulating fan 25; One first stifling circulation line 251, an end of this pipeline is communicated with the air inlet of circulating fan 25, and the other end is communicated with each stifling storehouse 21,22,23,24 respectively by a plurality of first branch roads 213,223,233,243 respectively; A plurality of first two-way valves 214,224,234,244, correspondence are arranged in each first branch road 213,223,233,243, are used to make first branch road 213,223,233,243 to be communicated with or not to be communicated with each stifling storehouse; One second stifling circulation line 15, the one end is communicated with the air outlet of circulating fan 25, and the other end is communicated with each stifling storehouse 21,22,23,24 respectively by a plurality of second branch roads 211,221,231,241 respectively; A plurality of second two-way valves 212,222,232,242, correspondence are arranged in each second branch road 211,221,231,241, are used to make second branch road 211,221,231,241 to be communicated with or not to be communicated with each stifling storehouse.
Wherein, this recovery gas circuit unit is used for reclaiming and the useless fumigant of discharging, and this unit can be communicated with each stifling storehouse 21,22,23,24, and forms the recovery circulation path of closed circulation.This recovery gas circuit unit comprises: one absorbs cabin 31, is provided with at least one group of absorbent bed 311 in it, is attached with the sorbing material that is used to adsorb useless fumigant on this absorbent bed 311; One absorption blower fan 35; One first reclaims circulation line 37, and the one end is communicated with absorption blower fan 35 air inlets, and the other end is communicated with between described a plurality of second two-way valves 212,222,232,242 and circulating fan 25 air outlets with the second stifling circulation line 15; One the 3rd two-way valve 371 is arranged on first and reclaims in the circulation line 37, is used to make the first recovery circulation line 37 to be communicated with or not to be communicated with; One second reclaims circulation line 33, and the one end is communicated with absorption cabin 31, and the other end and the second stifling circulation line 15 are communicated with between described a plurality of second two-way valves 212,222,232,242 and circulating fan 25 air outlets; One the 4th two-way valve 331 is arranged on second and reclaims in the circulation line 33, is used to make the second recovery circulation line 33 to be communicated with or not to be communicated with; One the 3rd reclaims circulation line 315, and the one end is communicated with absorption blower fan 35 air outlets, and the other end is communicated with absorption cabin 31; One heater 32 is arranged on the 3rd and reclaims in the circulation line 315; One filter 34 is arranged on first between the 3rd two-way valve 371 and absorption blower fan 35 air inlets and reclaims on the circulation line 37.
Wherein, this parsing gas circuit unit includes: the first parse cycle pipeline 39, one end and first reclaims circulation line 37 and is communicated with between the 3rd two-way valve 371 and filter 34, and the other end and second reclaims circulation line 33 and is communicated with between the 4th two-way valve 331 and absorption cabin 31; The 5th two-way valve 391 is arranged in the first parse cycle pipeline 39, is used to make first parse cycle, 39 pipeline connections or is not communicated with.And this first parse cycle pipeline and described filter 34, absorption blower fan 35, heater the 32, the 3rd reclaim circulation line 315, absorb the parsing loop that circulation line 33 formation closed circulation are reclaimed in cabin 31, second.
In the present embodiment, an end on a connecting pipe road 145 is communicated with the end of giving vent to anger of the gasifier 14 of described fumigant dispensing unit, and the other end of this connecting pipeline 145 is communicated with the second stifling circulation line 15 of described stifling gas circuit unit.
Referring to Fig. 3, the fumigation system of present embodiment also can be provided with automatic detection device 81 and automaton 82, for example, this automatic detection device 81 sample lines 817 that can include a sampling pump 811, fumigating concentration detecting unit 812, a temperature detecting unit 813, data acquisition unit 814, data record storage print device 815, data transmission unit 816 and be communicated with stifling storehouse 21; This automaton 82 can include a control module 822, data display unit 823 etc.By cooperating of automatic detection device 81 and automaton 82, can to stifling storehouse 21 (be that example describes only herein, be understandable that with stifling storehouse 21, suitable equally for other stifling storehouses.) interior concentration of fumigant periodic monitor, the detection data are stored automatically, are printed and can upload in real time in several ways and are convenient to quarantine supervision.Whole fumigation system can adopt PLC control, from offer medicine quantitatively, operations such as circulation, tail gas absorption only need simple the setting, with regard to finishing automatically of programmable.Adopt CE operating system to carry out concentration and detect automatically, sampling automatically, detection, record and transfer of data have reduced the human factor influence.
Preferable, described fumigating concentration detecting unit 812 comprises: be arranged on the signal piping 815 in the described stifling storehouse 21, be used for gathering stifling storehouse 21 fumigant samples, for more convenient collection, can gather pump 811 by one on this signal piping 815 and gather; One concentration analysis device is used for the sample of check and analysis from said signal piping; One concentration display unit is used to show the change in concentration from said concentration analysis device, and this concentration display unit independently is provided with, and a part that also can be used as this data display unit 823 shows.
Preferable, described temperature detecting unit 813 comprises: temperature sensor 818 is used for detecting stifling storehouse variations in temperature; One temperature indicating device (can be integrated in this data display unit 823) is used to show the variations in temperature from said temperature sensor 818.
Preferable, described data acquisition unit 814 is used for gathering from automatic detection device 81 each unit (comprising concentration detecting unit 812, temperature detecting unit 813 etc.) data that obtain that detect.Described control module 822, be connected with described automatic detection device 81, dispensing unit 10 (as throwing in control device 13), circulatory fumigation unit 20 (comprise stifling gas circuit unit, reclaim the gas circuit unit, resolve gas circuit unit etc.), be used to analyze the data that obtain that detect, and according to the dosage of analysis result control dispensing unit 10, and the On/Off of controlling the two-way valve in each gas circuit unit.Described data record storage print device 815 is used for stifling situation, condition and related detection data are write down, store and print.And the present invention can also be provided with a data transmission unit 816, is used for uploading the related detection data in real time by multiple mode such as wired or wireless, is convenient to quarantine supervision.
Below with reference to Fig. 4～Fig. 8, be described further with regard to the fumigation system course of work of the present invention.
As shown in Figure 4, fumigated goods such as log, the inlet by stifling storehouse 21 is placed in the stifling storehouse 21, and covers on the log with tarpaulin, with sealing fixture with tarpaulin and ground, body of wall fixing seal.
Offer medicine then, fumigant can be a Celfume, ON cycle blower fan 25, open first two-way valve 214, second two-way valve, 212 connections, first branch road 213, second branch road 211 and stifling storehouse 21, dispensing dosage is set, and the dispensing control device 13 of unlatching dispensing unit, begin dispensing, needed fumigant enters fumigant gasifier 14 by fumigant storage medicine bottle 12 on administration line set 123 and dispensing control device 13, gasifier 14 is blown in the stifling storehouse 21 through the second stifling circulation line 15 by circulating fan 25 after fumigant is converted to gaseous state by liquid state.When wherein electronic scale 11 showed the fumigant dosage that reaches required, dispensing control device 13 cut out dispensing and finishes.
During this period, available Mini RAE 2000 PGM-7600Monitor detect above the tarpaulin tent of stifling storehouse, near the Celfume concentration of environment such as operation room and the stifling storehouse tent, to guarantee that air-tightness satisfies the requirement of stifling operation, guarantees fumigating effect and personal security.
And under the effect of circulating fan 25, air-flow returns circulating fan 25 via stifling storehouse 21 with the first stifling circulation line 251 that links to each other with stifling storehouse 21, reach balance and form the circulation gas circuit up to its concentration, shown in Fig. 5,6, fumigant and force air are mixed finish effective diffusion.Circulation time first two-way valve 214 and second two-way valve 212 are in opening (the 3rd two-way valve 371 and the 4th two-way valve 331 are in closed condition).
Evenly and after reaching finite concentration, circulating fan 25 quits work fumigant in stifling storehouse 21, and first two-way valve 214 and second two-way valve 212 are closed, and log carries out airtight stifling processing under this concentration.
Behind stifling the end, can from stifling storehouse 21, deliver to and continue to do stifling using in next stifling storehouse 22 fumigating fumigant gases in the storehouse 21.Please refer to Fig. 2, at this moment, open circulating fan 25, the second two-way valves 212,222 and first two-way valve 214,224.Fumigating gas in the stifling storehouse 21 enters in the stifling storehouse 22 through first branch road, 213, the first stifling circulation line 251, first branch road 223 under the effect of circulating fan 25, so fumigating gas can be reused, and saves cost.Here only entering in the stifling storehouse 22 with the fumigating gas in the stifling storehouse 21 is that example describes, be understandable that, should stifling storehouse 21 interior fumigating gas can enter simultaneously in the stifling storehouse 22,23,24, also can only enter in one of them or the several stifling storehouse unlatching that this moment can be by each two-way valve or close and cooperate and to realize.
And, when the fumigating gas in the stifling storehouse 21 is sent into much the samely, can dosage be set by the gas concentration in the detected stifling storehouse 22, by the dispensing unit offerd medicine in stifling storehouse 22, make the gas concentration in it reach stifling requirement, medication administration method such as above-mentioned similar to stifling storehouse 21 medication administration methods does not repeat them here.When gas concentration in the stifling storehouse 22 reaches stifling the requirement, can fumigate operation.
Certainly, be more preferably, the present invention has utilized recovery gas circuit unit to carry out gas and has reclaimed, remaining fumigating gas in the stifling storehouse 21 is absorbed by absorbing cabin 31, and then utilize parsing gas circuit unit to resolve recovery to absorbing the fumigant that is absorbed in the cabin, perhaps, recycling in the stifling storehouse 22 (or stifling storehouse 23,24) will be sent into behind the further heating and gasifying of the fumigant that parse by each gas circuit unit matching.So not only provide cost savings, and environmental protection more.
As shown in Figure 6, show tail gas recycle process of the present invention.Open first two-way valve 214, second two-way valve 212, the 3rd two-way valve 371, the 4th two-way valve 331, other two-way valves cut out, make flow through first branch road, 213, the first stifling circulation line 251, circulating fan 25, first of fumigating gas in the stifling storehouse 21 reclaim circulation line 37, filter 34, absorption blower fan the 35, the 3rd and reclaim circulation line 315, heater 32, absorb cabin 31, second and reclaim circulation line 33, second branch road 211, stifling storehouse 21 and constitute the circulation line that is communicated with, absorb fumigant by the absorbent beds 311 that absorb in the cabin 31.In the present invention, absorb and adopt the activated carbon fiber adsorbent equipment that Celfume tail gas is handled in the cabin 31, adsorption efficiency can reach more than 80%, has significantly reduced the direct discharging of Celfume, also can reduce the usage amount of Celfume by recycling.
As shown in Figure 7, show fumigant resolving of the present invention.At this moment, open the 5th two-way valve 391, close other two-way valves, make absorption cabin 31, the second recovery circulation line 33, the first parse cycle pipeline 39, filter 34, first reclaim the circulation line of circulation line 37, absorption blower fan 35, the 3rd recovery circulation line 315, heater 32 formation connections, the fumigant that absorb in the cabin 31 can be parsed.
As shown in Figure 8, show the process that the present invention reuses after with the fumigant heating and gasifying that parses.At this moment, open with second branch road 221 that stifling storehouse 22 is communicated with on second two-way valve 222 and the 3rd two-way valve 371, the 4th two-way valve 331, close first two-way valve 224 and other two-way valves on first branch road 223, ON cycle blower fan 25, absorption blower fan 35, heater 42, make to absorb the fumigant heating and gasifying that parses in the cabin 31, air-flow is blown in the stifling storehouse 22 through the second recovery circulation line 33, second branch road 221.So can realize the recycling once more of the fumigant that parses.
In the present invention, this two-way valve can be electric butterfly valve, is connected with automaton, realizes control automatically.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1, a kind of fumigation system is characterized in that, it comprises:
A plurality of stifling storehouses, the inner formation one in each stifling storehouse is used to hold the airtight space of article, and these a plurality of stifling storehouses can be communicated with each other;
One is used for the fumigant dispensing unit to described stifling storehouse dispensing, and this unit can be communicated with each stifling storehouse;
One makes fumigant equally distributed stifling gas circuit unit in described stifling storehouse, and this unit can be communicated with each stifling storehouse, and forms the stifling circulation path of closed circulation;
One reclaims and discharges the recovery gas circuit unit of useless fumigant, and this unit can be communicated with each stifling storehouse, and forms the recovery circulation path of closed circulation;
One resolves the parsing gas circuit unit of useless fumigant, and this unit is communicated with described recovery gas circuit unit.
2, fumigation system according to claim 1 is characterized in that, described stifling storehouse includes:
The body of wall that fixes on the ground, this body of wall and ground form a plurality of semi-open-type spaces with inlet;
Tarpaulin covers top, wherein one or more semi-open-type spaces, and and body of wall, ground between by the sealing fixture sealing and fixing, form one or more airtight spaces.
3, fumigation system according to claim 2 is characterized in that, described stifling gas circuit unit includes:
One circulating fan;
One first stifling circulation line, an end of this pipeline is communicated with the air inlet of circulating fan, and the other end is communicated with each stifling storehouse respectively by a plurality of first branch roads respectively;
A plurality of first two-way valves, correspondence are arranged in each first branch road, are used to make the stifling storehouse of first branch road and each to be communicated with or not to be communicated with;
One second stifling circulation line, the one end is communicated with the air outlet of circulating fan, and the other end is communicated with each stifling storehouse respectively by a plurality of second branch roads respectively;
A plurality of second two-way valves, correspondence are arranged in each second branch road, are used to make the stifling storehouse of second branch road and each to be communicated with or not to be communicated with.
4, fumigation system according to claim 3 is characterized in that, described recovery gas circuit unit includes:
One absorbs the cabin, is provided with at least one group of absorbent bed in it, is attached with the sorbing material that is used to adsorb useless fumigant on this absorbent bed;
One absorption blower fan;
One first reclaims circulation line, and the one end is communicated with the absorption air inlet, and the other end is communicated with between described a plurality of second two-way valves and circulating fan air outlet with the second stifling circulation line;
One the 3rd two-way valve is arranged on first and reclaims in the circulation line, is used to make the first recovery circulation line to be communicated with or not to be communicated with;
One second reclaims circulation line, and the one end is communicated with the absorption cabin, and the other end and the second stifling circulation line are communicated with between described a plurality of second two-way valves and circulating fan air outlet;
One the 4th two-way valve is arranged on second and reclaims in the circulation line, is used to make the second recovery circulation line to be communicated with or not to be communicated with;
One the 3rd reclaims circulation line, and the one end is communicated with the absorption fan outlet, and the other end is communicated with the absorption cabin;
One heater is arranged on the 3rd and reclaims in the circulation line;
One filter is arranged on first between the 3rd two-way valve and the absorption air inlet and reclaims on the circulation line.
5, fumigation system according to claim 4 is characterized in that, described parsing gas circuit unit includes:
The first parse cycle pipeline, one end and first reclaim circulation line and are communicated with between the 3rd two-way valve and filter, and the other end and second reclaims circulation line and is communicated with between the 4th two-way valve and absorption cabin;
The 5th two-way valve is arranged in the first parse cycle pipeline, is used to make the first parse cycle pipeline connection or is not communicated with;
Wherein, this first parse cycle pipeline and described filter, absorption blower fan, heater, the 3rd reclaim circulation line, the parsing loop that circulation line constitutes closed circulation is reclaimed in absorption cabin, second.
6, fumigation system according to claim 5 is characterized in that, described fumigant dispensing unit comprises:
Metering device;
Fumigant storage medicine bottle, this storage medicine bottle is placed on the metering device;
One administration line set;
One fumigant gasifier, an end of this gasifier is communicated with described storage medicine bottle by administration line set, and the other end is communicated with the second stifling circulation line of described gas circuit unit by a connecting pipe road;
One dispensing control device, this device is arranged on the administration line set, is used to control the fumigant dosage.
7, fumigation system according to claim 6 is characterized in that, described fumigation system also includes automatic detection device, and it comprises a fumigating concentration detecting unit, and this unit comprises:
Be arranged on the signal piping in the described stifling storehouse, be used for gathering stifling storehouse fumigant sample;
One concentration analysis device, check and analysis are from the sample of said signal piping;
One concentration display unit shows the change in concentration from said concentration analysis device.
8, fumigation system according to claim 7 is characterized in that, described automatic detection device also comprises a temperature detecting unit, and this unit comprises:
Temperature sensor is used for detecting stifling storehouse variations in temperature;
One temperature indicating device is used to show the variations in temperature from said temperature sensor.
9, fumigation system according to claim 8 is characterized in that, described fumigation system also includes automaton, and it comprises:
Data acquisition unit is used to gather from each unit of automatic detection device and detects the data that obtain;
Control module, be connected with described data acquisition unit, dispensing unit, stifling gas circuit unit, recovery gas circuit unit, parsing gas circuit unit, be used to analyze the data that obtain that detect, and according to the dosage of analysis result control dispensing unit, and the On/Off of controlling the two-way valve in each gas circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114544A CN100515191C (en) | 2006-03-08 | 2006-03-08 | Fumigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100114544A CN100515191C (en) | 2006-03-08 | 2006-03-08 | Fumigation system |
Publications (2)
| Publication Number | Publication Date |
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| CN101032242A CN101032242A (en) | 2007-09-12 |
| CN100515191C true CN100515191C (en) | 2009-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100114544A Expired - Fee Related CN100515191C (en) | 2006-03-08 | 2006-03-08 | Fumigation system |
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| CN (1) | CN100515191C (en) |
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| CN101032242A (en) | 2007-09-12 |
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Application publication date: 20070912 Assignee: Beijing Bridge Quality Inspection Technology Co. Ltd. Assignor: Chinese Academy of Inspection and Quarantine Contract record no.: 2010990000133 Denomination of invention: Fumigation system Granted publication date: 20090722 License type: Exclusive License Record date: 20100319 |
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