CN216792139U - Liquid anhydrous ammonia volatilization absorption device - Google Patents

Abstract

The utility model provides a liquid anhydrous ammonia volatilization absorption device, and relates to the technical field of determination analysis. The device comprises a receiver, a protective cover, a buffer bottle and an absorption bottle, wherein the protective cover is fixedly connected to the top of the receiver, the top of the protective cover is connected with an air inlet of the buffer bottle through a first conduit, and an air outlet of the buffer bottle is connected with the absorption bottle through a second conduit; the liquid outlet of the buffer bottle is connected with the liquid outlet of the absorption bottle through a third conduit. The ammonia gas that volatilizees among the acceptor is fully absorbed by the absorption liquid in buffer flask and the absorption bottle, has avoided environmental pollution, and the absorption liquid after absorbing the ammonia can regard as the ammonia water for the analysis to use, has practiced thrift the resource. And the protective cover is arranged, so that the damage to the working personnel caused by the overlarge pressure in the liquid anhydrous ammonia in the volatilization process is avoided, and the safety is enhanced.

Description

Liquid anhydrous ammonia volatilization absorption device

Technical Field

The utility model relates to the technical field of measurement and analysis, in particular to a liquid anhydrous ammonia volatilization absorption device.

Background

Method for measuring liquid anhydrous ammonia adopts a volumetric method in the fourth part of GB/T8570.4-2010 to measure the content of residues. And covering the mouth of the sampled Lenseridae receptor with a rubber plug with a hole, placing the Lenseridae receptor in a fume hood, and slowly volatilizing ammonia at room temperature until the ammonia on the upper part of the receptor escapes. After evaporation of a liquid ammonia sample, the volume of the evaporation residue was read and the residue content was determined by titration of ammonia in the evaporation residue with a standard solution of sulfuric acid in the presence of an indicator.

When the liquid ammonia in the Lenesoniaceae receptor is volatilized at room temperature, the ammonia can escape into the atmosphere, thereby causing environmental pollution and resource waste. If the pressure is too high when the ammonia gas escapes, a rubber plug on the receptor can be popped out, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a liquid anhydrous ammonia volatilization absorption device to solve the above problems.

Based on the above object, the present invention provides a liquid anhydrous ammonia volatilization absorption device, comprising: the device comprises a receptor, a protective cover, a buffer bottle and an absorption bottle; the top of the receiver is fixedly connected with a protective cover, the top of the protective cover is connected with an air inlet of the buffer bottle through a first conduit, and an air outlet of the buffer bottle is connected with the absorption bottle through a second conduit; the liquid outlet of the buffer bottle is connected with the liquid outlet of the absorption bottle through a third conduit.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the protective cover is connected above the susceptor, so that the phenomenon that a rubber plug is ejected due to overlarge pressure when ammonia gas escapes is prevented, and the injury to workers is avoided. The buffer bottle is arranged, so that part of ammonia gas can be absorbed, and the phenomenon that too much liquid is sucked into the Lenseridae receiver to influence an analysis result can be prevented. The ammonia is fully absorbed in buffer flask and absorption bottle, has satisfied the environmental protection demand to the aqueous ammonia that obtains after absorbing the ammonia can carry out reutilization, has realized energy saving and consumption reduction.

Furthermore, the protective cover comprises a protective cover cap and a protective plate, the protective cover cap is fixed on the rubber plug at the top of the receptor and is communicated with the through hole on the rubber plug, and the lower part of the protective cover cap is fixedly connected with the protective plate; the shield cap has been avoided because of anhydrous ammonia volatilization speed is too fast, and the recipient internal pressure increase is popped the rubber stopper and is opened, causes the injury to personnel, and the guard plate can block splashing of liquid when the rubber stopper is popped open, improves the security.

Further, the first conduit is connected with a quick connector; when there is a sample, use straight-through pneumatic tube quick-operation joint, when there are two samples, use the pneumatic quick-operation joint of three-way type, can be used for the absorption of two samples simultaneously, make this device have stronger suitability.

Further, the second conduit comprises a first hose, a first three-way type connecting pipe, a second hose and a bulb, one end of the first hose is connected with the air outlet of the buffer bottle, the other end of the first hose is connected with the first three-way type connecting pipe, two branches of the first three-way type connecting pipe are respectively connected with the second hose, and the port of the second hose is connected with the bulb; the two second hoses and the bulb extend below the liquid level in the absorption bottle, so that ammonia gas is absorbed more uniformly through the bulb, and the absorption speed is increased.

Further, the third conduit comprises a second three-way type connecting pipe, a third hose and an outer discharge hose, wherein a first interface of the second three-way type connecting pipe is connected with the liquid outlet of the absorption bottle, a second interface of the second three-way type connecting pipe is connected with the outer discharge hose, a third interface of the second three-way type connecting pipe is connected with one end of the third hose, and the other end of the third hose is connected with the liquid outlet of the buffer bottle; the liquid in buffer flask and the absorption bottle exchanges through the third hose, makes the ammonia fully absorbed, can discharge through the outer hose of arranging after the absorption liquid saturation, retrieves the absorption liquid.

Further, a valve is arranged on the outer discharge hose; for controlling the discharge of liquid.

Drawings

FIG. 1 is a schematic view of a liquid anhydrous ammonia volatilization absorption device provided by an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a protective cover of the liquid anhydrous ammonia volatilization absorption device provided by the embodiment of the utility model;

FIG. 3 is a partial schematic view of a protective cover of a liquid anhydrous ammonia volatilization absorption device according to an embodiment of the utility model;

FIG. 4 is a schematic connection diagram of a buffer bottle of the liquid anhydrous ammonia volatilization absorption device provided by the embodiment of the utility model;

FIG. 5 is a schematic connection diagram of an absorption bottle of the liquid anhydrous ammonia volatilization absorption device provided by the embodiment of the utility model;

fig. 6 is a schematic connection diagram of a quick coupling of the liquid anhydrous ammonia volatilization absorption device provided by the embodiment of the utility model.

Description of the drawings: 1. a susceptor; 2. a protective cover; 21. a shield cap; 22. a protection plate; 3. a buffer bottle; 4. an absorption bottle; 5. a first conduit; 51. a quick coupling; 6. a second conduit; 61. a first hose; 62. a first three-way type connecting pipe; 63. a second hose; 64. ball bubble; 7. a third conduit; 71. a second three-way type connecting pipe; 72. a third hose; 73. an outer discharge hose; 74. and (4) a valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.

As shown in figure 1, the liquid anhydrous ammonia volatilization absorption device provided by the utility model comprises a receiver 1, a protective cover 2, a buffer bottle 3, an absorption bottle 4 and the like. The top of the receptor 1 is covered with a rubber plug with a hole, as shown in figure 2, the protective cover 2 is composed of a protective cover cap 21 and a protective plate 22, etc., the protective cover cap 21 is fixed on the rubber plug and is communicated with the through hole on the rubber plug, the top of the protective cover cap 21 is provided with an interface, the side wall below the protective cover cap 21 is connected with the protective plate 22 by using a fixing rivet, as shown in figure 3, the fixing rivet sequentially penetrates through the protective cover cap 21 and the protective plate 22 from the outside to fix the two.

After sampling, the susceptor 1 was covered with a lid, and the liquid anhydrous ammonia in the susceptor 1 began to volatilize. The rubber stopper may be ejected when the pressure is too high due to the volatilization of ammonia gas in the susceptor 1. The protective cover 2 not only has a limiting function on the ejected rubber plug, but also blocks the splashed liquid, thereby avoiding the injury to the working personnel.

The top of the protection cover 2 is connected with the air inlet of the buffer bottle 3 through a first conduit 5, and a quick coupling 51 is connected to the first conduit 5, as shown in fig. 4. The liquid ammonia in the receiver 1 is volatilized, and the ammonia enters the buffer bottle 3 through the first conduit 5. The buffer bottle 3 is a 2.5 liter bottle with a lower mouth, about 1 liter of distilled water is contained in the buffer bottle 3, and the ammonia gas flowing into the buffer bottle 3 is absorbed by the distilled water. As shown in fig. 5, when there is one sample, the straight-through pneumatic tube quick connector 51 is used, and when there are two samples, the three-way pneumatic quick connector 51 is used. The device can be used for absorbing one sample and two samples simultaneously, and can be changed only by replacing the quick connector 51, so that the operation is convenient.

The air outlet of the buffer bottle 3 is connected with one end of a first hose 61, as shown in fig. 6, the other end of the first hose 61 is connected with a first three-way type connecting pipe 62, the first three-way type connecting pipe 62 extends into the absorption bottle 4, two branches of the first three-way type connecting pipe 62 are respectively connected with a second hose 63, and the port of the second hose 63 is connected with a bulb 64.

When the amount of ammonia gas volatilized out increases, a part of the ammonia gas is absorbed in the buffer bottle 3, and the remaining ammonia gas flows into the absorption bottle 4 through the second conduit 6. The absorption flask 4 is a 2.5-liter bottom mouth flask, and the absorption flask 4 contains about 1 liter of distilled water. The two bulbs 64 are positioned below the liquid level in the absorption bottle 4, ammonia gas flows to the bulbs 64 and then enters distilled water, the contact area of the gas and the distilled water is increased by using the bulbs 64, the absorption speed of the ammonia gas is increased, and the ammonia gas is uniformly absorbed.

The liquid outlet of the absorption bottle 4 is connected with the first port of the second three-way type connecting pipe 71, the second port of the second three-way type connecting pipe 71 is connected with the outer discharge hose 73, a valve 74 is arranged on the outer discharge hose 73, the third port of the second three-way type connecting pipe 71 is connected with one end of the third hose 72, and the other end of the third hose 72 is connected with the liquid outlet of the buffer bottle 3.

After the liquid anhydrous ammonia in the receptor 1 begins to volatilize, the liquid in the buffer bottle 3 slowly flows into the absorption bottle 4 through the third hose 72, after the gas volatilization is finished, the liquid in the absorption bottle 4 slowly flows into the buffer bottle 3, the ammonia gas is gradually absorbed, and finally the liquid in the buffer bottle 3 flows into the absorption bottle 4 again until the liquid levels of the two bottles are balanced. When the absorption liquid is saturated, the valve 74 on the liquid discharge hose is opened to discharge the liquid in the buffer bottle 3 and the absorption bottle 4 for sample analysis in the analysis chamber, so as to realize secondary utilization.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the utility model, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made without departing from the spirit or scope of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. An anhydrous ammonia volatilization absorption device for liquid, comprising: the device comprises a receiver, a protective cover, a buffer bottle and an absorption bottle; it is characterized in that the preparation method is characterized in that,

the top of the receiver is fixedly connected with a protective cover, the top of the protective cover is connected with an air inlet of the buffer bottle through a first conduit, and an air outlet of the buffer bottle is connected with the absorption bottle through a second conduit;

the liquid outlet of the buffer bottle is connected with the liquid outlet of the absorption bottle through a third conduit.

2. The device for absorbing ammonia from a liquid in an anhydrous state as claimed in claim 1, wherein the protective cover comprises a protective cap and a protective plate, the protective cap is fixed on the rubber plug on the top of the receptor and is communicated with the through hole on the rubber plug, and the protective plate is fixedly connected below the protective cap.

3. The anhydrous liquid ammonia volatilization absorption device according to claim 1, wherein a quick connector is connected to the first conduit.

4. The device for absorbing anhydrous liquid ammonia by volatilization according to claim 1, wherein the second conduit comprises a first hose, a first three-way connecting pipe, a second hose and a bulb, one end of the first hose is connected with the air outlet of the buffer bottle, the other end of the first hose is connected with the first three-way connecting pipe, two branches of the first three-way connecting pipe are respectively connected with the second hose, and the port of the second hose is connected with the bulb.

5. The device for absorbing anhydrous ammonia volatilization in liquid according to claim 1, wherein the third conduit comprises a second three-way type connecting pipe, a third hose and an outer discharge hose, a first connector of the second three-way type connecting pipe is connected with the liquid outlet of the absorption bottle, a second connector of the second three-way type connecting pipe is connected with the outer discharge hose, a third connector of the second three-way type connecting pipe is connected with one end of the third hose, and the other end of the third hose is connected with the liquid outlet of the buffer bottle.

6. The device for absorbing anhydrous ammonia volatilization according to claim 5, wherein a valve is arranged on the discharge hose.

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