CN203299040U - Constant-pressure internal circulation acidification air-blowing absorption device - Google Patents
Constant-pressure internal circulation acidification air-blowing absorption device Download PDFInfo
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- CN203299040U CN203299040U CN2013203442387U CN201320344238U CN203299040U CN 203299040 U CN203299040 U CN 203299040U CN 2013203442387 U CN2013203442387 U CN 2013203442387U CN 201320344238 U CN201320344238 U CN 201320344238U CN 203299040 U CN203299040 U CN 203299040U
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- bubbler
- constant voltage
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- purge plug
- lower interface
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Abstract
The utility model discloses a constant-pressure internal circulation acidification air-blowing absorption device. The constant-pressure internal circulation acidification air-blowing absorption device comprises an absorption bottle, a first bubbler, a first air-blowing plug, a circular flow meter, a second air-blowing plug, a constant-pressure acid feeder, a second bubbler and a reaction bottle, wherein the constant-pressure acid feeder comprises an acid adding bottle and a lower port which are arranged up and down; the absorption bottle is hermetically connected with the first bubbler; the first bubbler is hermetically connected with an air inlet of the circular flow meter; an air outlet of the circular flow meter is hermetically connected with an air inlet pipe of the second air-blowing plug; an air outlet pipe of the second air-blowing plug is hermetically connected with the acid adding bottle; the constant-pressure acid feeder is hermetically connected with the second bubbler; the second bubbler is hermetically connected with the reaction bottle; the second bubbler is hermetically connected with an air inlet pipe of the first air-blowing plug; an air outlet pipe of the first air-blowing plug is hermetically connected with the first bubbler. The constant-pressure internal circulation acidification air-blowing absorption device has the advantages that leakage of acidic gas caused by pressure increased by adding acid inside and outside a system is avoided; stability is improved; pressure can be maintained constant without increasing a pressure regulator; the device is easy to operate.
Description
Technical field
The utility model relates to a kind of acidifying air blowing absorption plant, especially relates to cycle acidification air blowing absorption plant in a kind of constant voltage.
Background technology
Often contain sulfide and prussiate in environment water, sediment, soil and atmosphere, the toxicity of sulfide and prussiate is very large, is the monitoring project that environmental surveys must be surveyed.The general matrix of environment measuring sample is complicated, and the detection of sulfide and prussiate sample is easy to be interfered.At present, both at home and abroad the method for conventional employing the " acidifying-blow get-absorb-measure " detects.
Traditional acidifying air blowing absorption plant needs out-source gas, the experimental provision more complicated on the one hand; This device adopts open system to carry out gas-liquid separation usually on the other hand, and at the initial period of gas-liquid separation, due to hydrogen sulfide in gas phase and hydrocyanic acid concentration higher, bubble is difficult to fully contact with absorption liquid, cause sulfide and prussiate partial loss, the recovery is on the low side.At present, the domestic scholar of having adopts interior round-robin method to carry out pre-service, although interior round-robin method can be improved the defect of traditional acidifying air blowing absorption plant, but can bring the increase of internal system pressure due to the acid adding process in interior round-robin method, need additionally by pressure governor, to regulate, complicated operation, and the pressure variation is difficult to control.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pressure governor that do not need additionally to increase, and namely can keep constant pressure, and cycle acidification air blowing absorption plant in constant voltage simple to operate.
the utility model solves the problems of the technologies described above the technical scheme that adopts: cycle acidification air blowing absorption plant in a kind of constant voltage, comprise absorption bottle, the first bubbler, the first purge plug, the circular flow meter, the second purge plug, the constant voltage acid feeder, the second bubbler and reaction bulb, described the first bubbler comprises upper interface and lower interface setting up and down, the bubbling pipe that is communicated with the bottom of the upper interface of described the first bubbler and the escape pipe that is communicated with the lower interface of described the first bubbler, the bubbling pipe of described the first bubbler stretches out from the lower interface of described the first bubbler, the structure of described the second bubbler is identical with the structure of described the first bubbler, described constant voltage acid feeder comprises demijohn and the lower interface of adding setting up and down, the described bottom that adds demijohn is communicated with the lower interface of described constant voltage acid feeder by glass tube, the described knob that is provided with the described glass tube conducting of control or closes between the lower interface of demijohn and described constant voltage acid feeder that adds, a described side opening that adds demijohn, one side opening of the lower interface of described constant voltage acid feeder, the opening of one side of the opening of a described side that adds demijohn and the lower interface of described constant voltage acid feeder is tightly connected by connecting pipe, the lower interface of described absorption bottle and described the first bubbler is tightly connected, the air intake opening of the escape pipe of described the first bubbler and described circular flow meter is tightly connected, the draft tube of the gas outlet of described circular flow meter and described the second purge plug is tightly connected, the escape pipe of described the second purge plug and the described demijohn that adds are tightly connected, the lower interface of described constant voltage acid feeder is connected with the upper sealing joint of described the second bubbler, the lower interface of described the second bubbler and described reaction bulb are tightly connected, the draft tube of the escape pipe of described the second bubbler and described the first purge plug is tightly connected, the escape pipe of described the first purge plug is connected with the upper sealing joint of described the first bubbler.
Expand the bottom of the bubbling pipe of described the first bubbler and its surrounding has aperture.
The described outside surface that adds demijohn is provided with scale value.
Described circular flow meter comprises support, gas meter, flow control switch and power supply, described gas meter respectively with described flow control switch be connected power supply and be connected, described gas meter, described flow control switch and described power supply are arranged on described support.
Described power supply is internal battery or external power supply.
Distance between the bubbling pipe of described the first bubbler and the bottom of described absorption bottle is 0.5cm, and the distance between the bubbling pipe of described the second bubbler and the bottom of described reaction bulb is 0.5cm.
The escape pipe of the draft tube of described the first purge plug and described the second bubbler is tightly connected by the PVC flexible pipe, the air intake opening of the escape pipe of the first bubbler and circular flow meter is tightly connected by the PVC flexible pipe, and the draft tube of the gas outlet of circular flow meter and the second purge plug is tightly connected by the PVC flexible pipe.
described absorption bottle, described the first bubbler and described the first purge plug are glass material, be tightly connected by ground between described absorption bottle and described the first bubbler, be tightly connected by ground between described the first bubbler and described the first purge plug, described the second purge plug, described constant voltage acid feeder, described the second bubbler and described reaction bulb are glass material, be tightly connected by ground between described the second purge plug and described constant voltage acid feeder, be tightly connected by ground between described constant voltage acid feeder and described the second bubbler, be tightly connected by ground between described the second bubbler and described reaction bulb.
compared with prior art, the utility model has the advantage of by the limited air take reaction bulb and absorption bottle liquid level top as source of the gas, in testing process, first in circular flow, extract the air on absorption bottle top,, by sending in the second bubbler after the second purge plug and constant voltage acid feeder, the sample in reaction bulb is carried out aeration separate the sour gas that produces through acidifying, gas after aeration and the sour gas of generation enter the first purge plug and the first bubbler by the escape pipe of the second bubbler, and absorption liquid is carried out aeration again, and the absorption liquid that sour gas is absorbed in bottle absorbs, gas after being absorbed by liquid absorption again enters the circular flow meter through the escape pipe of the first bubbler and is sucked, circulation in forming once, move in circles with this, until the sour gas that produces is completely absorbed, whole course of reaction is carried out in enclosed system, the interior circulating system of sealing can be eliminated the impact of external air, improve assimilation effect, the constant voltage acid feeder can prevent effectively that system internal and external reasons acid adding build-up of pressure from becoming ambassador's sour gas and leaking, stability is improved, do not need thus additionally to increase pressure governor, namely can keep constant pressure, and simple to operate,
When expand and its surrounding while having aperture the bottom of the bubbling pipe of the first bubbler, can be so that form a large amount of minute bubbles;
When the outside surface that adds demijohn is provided with scale value, can control easily the addition of acid solution, simple to operate;
When the circular flow meter comprises support, gas meter, flow control switch and power supply, gas meter is connected with power supply with flow control switch respectively, when gas meter, flow control switch and power supply are rack-mount, are convenient to field and portably use.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the first glass bubbler of the present utility model;
Fig. 3 is the structural representation of constant voltage acid feeder of the present utility model;
Fig. 4 is the structural representation of circular flow meter of the present utility model;
Fig. 5 is the structural representation of the first purge plug of the present utility model;
Fig. 6 is the structural representation of the second purge plug of the present utility model;
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
embodiment: as shown in the figure, cycle acidification air blowing absorption plant in a kind of constant voltage, comprise absorption bottle 1, the first bubbler 2, the first purge plug 3, circular flow meter 4, the second purge plug 5, constant voltage acid feeder 6, the second bubbler 7 and reaction bulb 8, the first bubbler 2 comprises upper interface 21 setting up and down and lower interface 22, the bubbling pipe 23 that is communicated with the bottom of the upper interface 21 of the first bubbler 2 and the escape pipe 24 that is communicated with the lower interface 22 of the first bubbler 2, the bubbling pipe 23 of the first bubbler 2 stretches out from the lower interface 22 of the first bubbler 2, the structure of the second bubbler 7 is identical with the structure of the first bubbler 2, constant voltage acid feeder 6 comprises demijohn 61 and the lower interface 62 of adding setting up and down, the bottom that adds demijohn 61 is communicated with the lower interface 62 of constant voltage acid feeder 6 by glass tube 63, add the knob 64 that is provided with control glass tube 63 conductings or closes between the lower interface 62 of demijohn 61 and constant voltage acid feeder 6, a side opening that adds demijohn 61, one side opening of the lower interface 62 of constant voltage acid feeder 6, the opening of a side that adds the lower interface 62 of the opening of a side of demijohn 61 and constant voltage acid feeder 6 is tightly connected by connecting pipe 65, the lower interface 22 of absorption bottle 1 and the first bubbler 2 is tightly connected, the escape pipe 24 of the first bubbler 2 is tightly connected with the air intake opening 41 of circular flow meter 4, the gas outlet 42 of circular flow meter 4 and the draft tube 52 of the second purge plug 5 are tightly connected, the escape pipe 51 of the second purge plug 5 with add demijohn 61 and be tightly connected, the lower interface 62 of constant voltage acid feeder 6 is connected with the upper sealing joint of the second bubbler 7, the lower interface of the second bubbler 7 and reaction bulb 8 are tightly connected, the draft tube 32 of the escape pipe of the second bubbler 7 and the first purge plug 3 is tightly connected, the upper interface 21 of the escape pipe 31 of the first purge plug 3 and the first bubbler 2 is tightly connected.
In the present embodiment, expand the bottom of the bubbling pipe 23 of the first bubbler 2 and its surrounding has aperture.The outside surface that adds demijohn 61 is provided with scale value.Distance between the bubbling pipe 23 of the first bubbler 2 and the bottom of absorption bottle 1 is 0.5cm, and the distance between the bottom of the bubbling pipe of the second bubbler 7 and reaction bulb 8 is 0.5cm.
In the present embodiment, circular flow meter 4 comprises support 43, gas meter 44, flow control switch 46 and power supply 45, gas meter 44 is connected and is connected with power supply with flow control switch 46 respectively, and gas meter 44, flow control switch 46 and power supply 45 are arranged on support 43.Power supply 45 can be internal battery or external power supply.
In the present embodiment, the draft tube 32 of the first purge plug 3 and the escape pipe of the second bubbler 7 are tightly connected by PVC flexible pipe 9.The escape pipe 24 of the first bubbler 2 is tightly connected by PVC flexible pipe 10 with the air intake opening 41 of circular flow meter 4, and the gas outlet 42 of circular flow meter 4 and the draft tube 52 of the second purge plug 5 are tightly connected by PVC flexible pipe 11.
In the present embodiment, absorption bottle 1, the first bubbler 2 and the first purge plug 3 are glass material, are tightly connected by ground between absorption bottle 1 and the first bubbler 2, are tightly connected by ground between the first bubbler 2 and the first purge plug 3; The second purge plug 5, constant voltage acid feeder 6, the second bubbler 7 and reaction bulb 8 are glass material and are glass material, be tightly connected by ground between the second purge plug 5 and constant voltage acid feeder 6, be tightly connected by ground between constant voltage acid feeder 6 and the second bubbler 7, be tightly connected by ground between the second bubbler 7 and reaction bulb 8.
In the constant voltage of the present embodiment, the course of work of cycle acidification air blowing absorption plant is: add a certain amount of absorption liquid in absorption bottle 1; Accurately add sample to add deoxidized water to the 1000mL left and right in reaction bulb 8; Close after the knob 64 of constant voltage acid feeder 6 constant voltage acid feeder 6 add demijohn 61 in add a certain amount of acid solution; Connect experimental provision according to Fig. 1; ON cycle flowmeter 4, adjust the circular flow size, checks sealing; After circulation ventilating is normal, open the knob 64 of constant voltage acid feeder 6, acid solution enters reaction bulb 8 and carries out acidification reaction; After the circular response certain hour, close circular flow meter 4, stop ventilation; Take off absorption bottle 1, the bottleneck of absorption bottle 1 is blocked with rubber stopper, then according to the GB analytical approach, carry out content analysis.
Claims (8)
1. cycle acidification air blowing absorption plant in a constant voltage, it is characterized in that comprising absorption bottle, the first bubbler, the first purge plug, the circular flow meter, the second purge plug, the constant voltage acid feeder, the second bubbler and reaction bulb, described the first bubbler comprises upper interface and lower interface setting up and down, the bubbling pipe that is communicated with the bottom of the upper interface of described the first bubbler and the escape pipe that is communicated with the lower interface of described the first bubbler, the bubbling pipe of described the first bubbler stretches out from the lower interface of described the first bubbler, the structure of described the second bubbler is identical with the structure of described the first bubbler, described constant voltage acid feeder comprises demijohn and the lower interface of adding setting up and down, the described bottom that adds demijohn is communicated with the lower interface of described constant voltage acid feeder by glass tube, the described knob that is provided with the described glass tube conducting of control or closes between the lower interface of demijohn and described constant voltage acid feeder that adds, a described side opening that adds demijohn, one side opening of the lower interface of described constant voltage acid feeder, the opening of one side of the opening of a described side that adds demijohn and the lower interface of described constant voltage acid feeder is tightly connected by connecting pipe, the lower interface of described absorption bottle and described the first bubbler is tightly connected, the air intake opening of the escape pipe of described the first bubbler and described circular flow meter is tightly connected, the draft tube of the gas outlet of described circular flow meter and described the second purge plug is tightly connected, the escape pipe of described the second purge plug and the described demijohn that adds are tightly connected, the lower interface of described constant voltage acid feeder is connected with the upper sealing joint of described the second bubbler, the lower interface of described the second bubbler and described reaction bulb are tightly connected, the draft tube of the escape pipe of described the second bubbler and described the first purge plug is tightly connected, the escape pipe of described the first purge plug is connected with the upper sealing joint of described the first bubbler.
2. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, the bottom that it is characterized in that the bubbling pipe of described the first bubbler is expanded and its surrounding has aperture.
3. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, is characterized in that the described outside surface that adds demijohn is provided with scale value.
4. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, it is characterized in that described circular flow meter comprises support, gas meter, flow control switch and power supply, described gas meter respectively with described flow control switch be connected power supply and be connected, described gas meter, described flow control switch and described power supply are arranged on described support.
5. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 4, is characterized in that described power supply is internal battery or external power supply.
6. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, it is characterized in that the distance between the bottom of the bubbling pipe of described the first bubbler and described absorption bottle is 0.5cm, the distance between the bubbling pipe of described the second bubbler and the bottom of described reaction bulb is 0.5cm.
7. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, it is characterized in that the draft tube of described the first purge plug and the escape pipe of described the second bubbler are tightly connected by the PVC flexible pipe, the air intake opening of the escape pipe of the first bubbler and circular flow meter is tightly connected by the PVC flexible pipe, and the draft tube of the gas outlet of circular flow meter and the second purge plug is tightly connected by the PVC flexible pipe.
8. cycle acidification air blowing absorption plant in a kind of constant voltage according to claim 1, it is characterized in that described absorption bottle, described the first bubbler and described the first purge plug are glass material, be tightly connected by ground between described absorption bottle and described the first bubbler, be tightly connected by ground between described the first bubbler and described the first purge plug, described the second purge plug, described constant voltage acid feeder, described the second bubbler and described reaction bulb are glass material, be tightly connected by ground between described the second purge plug and described constant voltage acid feeder, be tightly connected by ground between described constant voltage acid feeder and described the second bubbler, be tightly connected by ground between described the second bubbler and described reaction bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203442387U CN203299040U (en) | 2013-06-14 | 2013-06-14 | Constant-pressure internal circulation acidification air-blowing absorption device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203442387U CN203299040U (en) | 2013-06-14 | 2013-06-14 | Constant-pressure internal circulation acidification air-blowing absorption device |
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| Publication Number | Publication Date |
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| CN203299040U true CN203299040U (en) | 2013-11-20 |
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| CN2013203442387U Expired - Fee Related CN203299040U (en) | 2013-06-14 | 2013-06-14 | Constant-pressure internal circulation acidification air-blowing absorption device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335874A (en) * | 2013-06-14 | 2013-10-02 | 宁波大学 | Constant-pressure inner loop acidification blowing absorption device |
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2013
- 2013-06-14 CN CN2013203442387U patent/CN203299040U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103335874A (en) * | 2013-06-14 | 2013-10-02 | 宁波大学 | Constant-pressure inner loop acidification blowing absorption device |
| CN103335874B (en) * | 2013-06-14 | 2015-06-17 | 宁波大学 | Constant-pressure inner loop acidification blowing absorption device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20160614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |