CN2796808Y

CN2796808Y - Gas absorption device capable of preventing back suction

Info

Publication number: CN2796808Y
Application number: CN 200520058573
Authority: CN
Inventors: 范晓秋; 洪桂芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-16
Filing date: 2005-05-16
Publication date: 2006-07-19
Anticipated expiration: 2015-05-16

Abstract

The utility model relates to a gas absorbing device which comprises a ground pipe plug or a ground bottle plug. Two-channel pipes are respectively arranged on a ground absorption bottle and a bottle pulg, two to four guide pipes are arranged on the bottle plug and guide pipes which extend into the bottle are long pipes and short pipes. The guide pipes can be bent guide pipes, the port of each of the guide pipes in the bottle forms a bubbling eye shape or a decreasing shape and the outer pipe end of each guide pipe forms a ground shape or an anticreep shape which is used for the connection of a rubber pipe. The guide pipes can be connected by emulsion flexible pipes. The absorption bottle has a flat bottom or a round bottom. Materials which are used are glass, polyester and transparent or translucent plastics. The two-channel long pipes and the two-channel short pipes are used; thereby, after gas enters a buffer bottle, the long pipe ends which are inserted into liquid are sealed by the liquid so as to form a large liquid distance difference, and the gas enters the absorption bottle only through the short pipes; in the state of negative pressure, outer air enters the buffer bottle through the short pipes arranged at the upper part of the absorption bottle, the pressure is automatically balanced and backward suction does not occur. The utility model has the advantages of high reliability, simple production technology processes of the utility model and low cost.

Description

The gas absorbing device of anti-suck

Technical field

The utility model relates to a kind of gas absorbing device, particularly a kind of gas absorbing device that comprises ground pipe close or ground bottle stopper.

Background technology

In the laboratory, the chemical reaction that produces gas or using gases is usually arranged, as producing excitant, water miscible pernicious gases such as hydrogen chloride, hydrogen bromide, hydrogen sulfide, sulfur dioxide, this just need absorb it with gas absorbing device, in order to avoid harmful to human and contaminated environment.A kind of solution that typically uses that produces waste gas is absorbed processing, and to using gases also is to be dissolved in the solvent of liquid reacting usually.Way in the past is to adopt a grass tube to insert in the solution of reaction bulb or the using gases absorption bottle absorbs mostly.But owing to carry out its gas production and the temperature of reactant gas source along with reaction can change, just reaction pressure is lowered into negative pressure, causes the suck-back phenomenon.The solution that promptly absorbs gas is poured in the reaction of generation gas, will react failure or dash material, explosion accident of result.

State Intellectual Property Office on October 15th, 2003 Granted publication the patent No. be " a kind of gas absorbing drier that prevents suck-back " application for a patent for invention of 01107595.3, that wherein adopts is connected to an anti-suck device between bending drying tube and GAS ABSORPTION pipe, described anti-suck device is a glass tube passage, has an anti-suck chamber in this glass tube passage, has a ground hollow float in the chamber, the corresponding ground face of accent inwall cooperates on the ground on this ground hollow float top and the anti-suck chamber, if reach the purpose of sealing during negative pressure by the cooperation of ground face; But like this technology of ground face and material are required highly, the product cost height is sealed and matched when the ground face if any granular material jam and does not set up, and when negative pressure takes place the pressure imbalance on anti-suck device both sides, safety coefficient is low, unreliable.

Summary of the invention

The purpose of this utility model provides the gas absorbing device of a kind of reliability height, production technology is simple, product cost is low anti-suck.

The utility model is by the following technical solutions: a kind of gas absorbing device of anti-suck, comprise ground pipe close or ground bottle stopper, on described ground absorption bottle and the bottle stopper bilateral deferent is arranged, 2 to 4 conduits are arranged on bottle stopper, the conduit that stretches in the bottle has long tube and short tube.

Conduit on the utility model grinding port plug is a bending conduit, and its bottle inner catheter port is bubbling eye shape or dwindles shape.

Conduit outer tunnel end described in the utility model is the ground shape or is used for the run-resistant that sebific duct connects.

The supporting absorption bottle of the utility model and ground bottle stopper is flat absorption bottle or round bottom absorption bottle.

Conduit described in the utility model, ground pipe or port grinding bottle, ground pipe close or ground bottle stopper are glass, polyester, transparent or semitransparent plastics.

The utility model compared with prior art, because having used on described ground absorption bottle and the bottle stopper has the bilateral deferent, 2 to 4 conduits are arranged on bottle stopper, conduit stretches into the technology that length in the bottle has long tube and short tube, the gas that reaction produces is that malleation is discharged and after entering surge flask, the long tube end that inserts in the liquid is lived by fluid-tight, forms big liquid apart from poor, and gas has only and enters absorption bottle from short tube and form bubbling and absorb or wash; When reaction causes into negative pressure state because of variation, extraneous air promptly can enter surge flask from the short tube on absorption bottle top, self-balancing pressure, and the long tube in the insertion absorption liquid as if fluid-tight are the same, and liquid is big apart from difference, can suck-back, the reliability height, only need get final product by perforate insertion conduit on bottle plug, the production technology process of product is simple, and cost is low.

Description of drawings

Fig. 1-1,1-2,1-3 are that three of the single standard ground of the utility model embodiment bilateral deferent is looked schematic diagram.

Fig. 2-1,2-2 are the use schematic diagrames of the utility model embodiment matching standard ground bottle,suction.

Fig. 3-1,3-2,3-3 are that three of the utility model embodiment ground bilateral deferent absorption bottle is looked schematic diagram.

Fig. 3-the 4th, the A-A cross-sectional schematic of Fig. 3-3.

Fig. 4 be the utility model embodiment two-stage absorb overlook series system and aerogenesis positive pressure gas circulation road indication schematic diagram.

Fig. 5 be the utility model embodiment two-stage absorb overlook series system and reaction is negative-pressure air-flow passage indication schematic diagram.

Fig. 6 is the arrangement schematic diagram of the utility model embodiment bilateral deferent.

The specific embodiment

The utility model is to adopt the method that adopts indirect bilateral deferent between reaction bulb or source of the gas and GAS ABSORPTION bottle, promptly adds a surge flask that fills certain quantity of fluid between reaction bulb and GAS ABSORPTION bottle, and surge flask can be identical with GAS ABSORPTION bottle profile.Be connected and be the bilateral deferent between this surge flask and the GAS ABSORPTION bottle.Absorb if also need next stage after one-level absorbs, then only need to continue to use the bilateral deferent to connect and get final product, just can realize that multistage no suck-back absorbs.Two canal curvatures become isometric outside bottle, so that connect, and by length identification in the bottle, long and short being connected, short and long being connected.Reaction bulb also can directly be connected with the bilateral deferent with absorption bottle, but for safety, should use the indirect connected mode of buffering.Said bilateral deferent is that two conduits are arranged, and its form is that one is long and the other is short in bottle, and is in the long insertion liquid, short in the upper air of bottle; Absorption bottle and surge flask are not always the case.

Be further described below in conjunction with the details of accompanying drawing embodiment of the present utility model:

Embodiment shown in Fig. 1-1,1-2,1-3 looks schematic diagram for three of single standard ground bilateral deferent, from scheming as seen, two pipes are arranged in the standard ground bilateral deferent, and one is long and the other is short, the use schematic diagram of Fig. 2-1,2-2 illustrated embodiment matching standard ground bottle,suction for another example, long tube in the B1 bottle connects short tube in the B2 bottle, and short tube connects long tube in the B2 bottle in the B1 bottle.When the gas that produces enters that malleation is discharged and after entering surge flask B1 bottle, can produce certain air pressure, liquid in the B1 bottle long tube will rise to some extent, the long tube end that inserts in the liquid is lived by fluid-tight, form big liquid apart from poor, gas has only and carries out absorption bottle from short tube and form that bubbling absorbs or washing, and the speed of giving vent to anger certainly should have cock control suitably.And gas was directed to via short tube simultaneously and inserted in the long tube of absorption liquid in the B2 bottle of connection this moment, the liquid level of long tube in the B2 bottle is descended and produces bubbling, form bubbling to absorb, and the bubbling ocular form, promptly the termination sintering blows and stings out several little eyes again after big.When reaction caused into negative pressure state because of variation, extraneous air promptly can enter surge flask from the short tube on absorption bottle top, self-balancing pressure, and the long tube as if the fluid-tight of inserting in the absorption liquid are the same, liquid is big apart from difference, can suck-back.

Can rise and play desiccation when fluid-tight or gas flow backwards simultaneously for absorption liquid also can be drying liquid in the B1 bottle.

The utility model can be applied in the absorption of tail gas, also can be used in the reaction that absorbs gas, and gas is not at water-soluble, so long as the absorption of a kind of liquid is just passable.

Fig. 3-1,3-2,3-3 are that three of the utility model embodiment ground bilateral deferent absorption bottle is looked schematic diagram, Fig. 3-the 4th, the A-A cross-sectional schematic of Fig. 3-3.There are four pipes two long two short among the figure in the ground bilateral deferent absorption bottle, by shown in Figure 4, a long tube among the D1 connects a short tube among the D2, a short tube among the D1 connects a long tube among the D2, another root short tube among the D2 connects a long tube among the D3, and another root long tube among the D2 connects a short tube among the D3.After the gas that produces enters the D1 bottle, can produce certain air pressure equally, liquid level in the D1 bottle long tube also will rise to some extent, and this moment, gas inserted in the long tube of absorption liquid in short tube is directed to the D2 bottle of connection simultaneously, liquid level in the D2 bottle long tube is descended and the generation bubbling, form the one-level bubbling and absorb.Gas continues to enter and carries out the secondary bubbling in the D3 bottle and absorb.Equally, can rise when fluid-tight or gas flow backwards and play desiccation simultaneously for absorption liquid also can be drying liquid in the D1 bottle, see shown in Figure 5.

Can know the three-dimensional situation of the arrangement of finding out the bilateral deferent by the shaft side figure of Fig. 6.

Claims

1. the gas absorbing device of an anti-suck comprises ground pipe close or ground bottle stopper, it is characterized in that: on described ground absorption bottle and the bottle stopper bilateral deferent is arranged, 2 to 4 conduits are arranged on bottle stopper, the conduit that stretches in the bottle has long tube and short tube.

2. the gas absorbing device of anti-suck according to claim 1, it is characterized in that: the conduit on the grinding port plug is a bending conduit, its bottle inner catheter port is bubbling eye shape or dwindles shape.

3. the gas absorbing device of anti-suck according to claim 1 and 2 is characterized in that: described conduit outer tunnel end is the ground shape or is used for the run-resistant that sebific duct connects.

4. the gas absorbing device of anti-suck according to claim 1 and 2, it is characterized in that: the absorption bottle supporting with the ground bottle stopper is flat absorption bottle or round bottom absorption bottle.

5. the gas absorbing device of anti-suck according to claim 1 and 2 is characterized in that: described conduit, ground pipe or port grinding bottle, ground pipe close or ground bottle stopper are glass, polyester, transparent or semitransparent plastics.