CN208912033U - A kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set - Google Patents

Abstract

The utility model discloses a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding sets, including shell at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen, add liquid nitrogen pipes, liquid nitrogen adding tube, liquid nitrogen adds box and suction pumps, the right end of shell is provided with through upper and lower surface plus liquid nitrogen pipes at the preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen, the utility model add liquid nitrogen pipes upper end softer, elastic seal funnel and seal glass plate to add liquid nitrogen pipes play the role of dual-seal protection, it ensure that before and after liquid feeding nitrogen plus be not susceptible at liquid nitrogen pipes the phenomenon that leaking and volatilizing, it is reasonable that the utility model liquid nitrogen adds the stainless steel roll structure design in the arc adding trough inside box, mobile by the imbibition arc adding trough left end pump pressure Shi Huixiang, at this time, liquid nitrogen adding mouth is opened, liquid nitrogen can pass sequentially through liquid nitrogen adding tube from liquid nitrogen adding mouth, add Liquid nitrogen pipes can smoothly enter into inside device.

Description

A kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set

Technical field

The utility model relates to preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set technical field, specially a kind of preparing hydrogen by ammonia decomposition Furnace liquefied ammonia adding set.

Background technique

Ammonolysis craft gas generating unit is using liquefied ammonia as raw material, and heat resolve obtains hydrogeneous under the effect of the catalyst 75%, nitrogenous 25% hydrogen-nitrogen mixture gas, ammonolysis craft gas generating unit has the spies such as simple structure, small investment, high-efficient Point is easy to get relatively satisfactory protective gas by purification.Product is throughout heat treatment, powder metallurgy, hard alloy, bearing, plating Zinc, copper strips, copper pipe, brass tube, copper tube, the industries such as strip.Company is won with its rich technical strength, perfect after-sales service Market is obtained, existing preparing hydrogen by ammonia decomposition furnace often requires to use liquefied ammonia adding set in the process used and carries out liquid feeding to it Nitrogen, but there are still following drawbacks during actual use with liquefied ammonia adding set for this preparing hydrogen by ammonia decomposition furnace:

Its leakproofness during adding liquid nitrogen is often poor with liquefied ammonia adding set for existing preparing hydrogen by ammonia decomposition furnace, adds Added-time there are certain volatilization and leakage, more wastes raw material, higher operating costs.

Utility model content

The purpose of this utility model is to provide a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding sets, to solve above-mentioned background The problem of being proposed in technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of preparing hydrogen by ammonia decomposition furnace is added with liquefied ammonia Shell plus liquid nitrogen pipes, liquid nitrogen adding tube, liquid nitrogen addition box and imbibition at device, including preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen It pumps, the right end of shell is provided with through upper and lower surface plus liquid nitrogen pipes, liquid feeding at the preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen A circle softer, elastic seal funnel is equipped at the upper end inner ring of nitrogen pipeline, adding the lower end of liquid nitrogen pipes is in have extended transversely through seal glass Plate, the right end of the seal glass plate, which is fastened on, to be added on the right side of liquid nitrogen pipes in the corresponding seal groove of inner wall, a left side for seal glass plate End through plus the corresponding seal groove of liquid nitrogen pipes inner left wall, be fixed in the seal groove and to fit with seal glass plate Glass seal layer, and the left end of seal glass plate runs through plus the end of liquid nitrogen pipes inner left wall seal groove is connected with metal Slide bar, the metal slide bar are arranged perpendicular to seal glass plate, and metal slide bar is actively installed in sliding slot, under the inner left wall of sliding slot End and lower end bottom surface right end are inlaid with No. two magnetic blocks corresponding with metal the lower end of the slider and No.1 magnetic block respectively, described to add The upper end of liquid nitrogen pipes is equipped with liquid nitrogen adding tube with matching, and the middle position fixing sleeve of liquid nitrogen adding tube is equipped with limit pressure Plate, the upper end of liquid nitrogen adding tube are fixedly welded on the lower end position of liquid nitrogen addition box, and the liquid nitrogen adds box rectangular-blocklike knot Structure, the inside that liquid nitrogen adds box are equipped with arc adding trough, and the curved opening of the arc adding trough adds the upper of box towards liquid nitrogen The positive lower end internal activity of side, arc adding trough is equipped with stainless steel ball.

Preferably, the softer, elastic seal funnel is funnel-shaped, the lower end sealing of softer, elastic seal funnel.

Preferably, the left end upper surface of shell at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen is arranged in the sliding slot, and metal is sliding The upper end of bar is arranged through the upper surface of sliding slot.

Preferably, inner wall is connected equipped with multiple groups with liquid nitrogen adding tube below the arc adding trough on the left of the stainless steel ball Logical liquid nitrogen adding mouth, the arc adding trough on the right side of stainless steel ball are connected with No.1 communicating pipe.

Preferably, the No.1 communicating pipe adds the right side of box through liquid nitrogen and is connected with suction pumps, suction pumps Right end connection is equipped with No. two communicating pipes.

Compared with prior art, the utility model has the beneficial effects that

1. the utility model add liquid nitrogen pipes upper end softer, elastic seal funnel and seal glass plate to add liquid nitrogen pipes rise The effect for having arrived dual-seal protection ensure that before and after the liquid feeding nitrogen plus be not susceptible to leak at liquid nitrogen pipes and what is volatilized shows As；

2. the utility model liquid nitrogen add box inside arc adding trough in stainless steel roll structure design rationally, by Mobile to the imbibition arc adding trough left end pump pressure Shi Huixiang, at this point, liquid nitrogen adding mouth is opened, liquid nitrogen can be from liquid nitrogen adding mouth Passing sequentially through liquid nitrogen adding tube plus liquid nitrogen pipes can smoothly enter into inside device；

3. the utility model, when suction pumps are inactive, stainless steel ball passes through the air pressure of arc adding trough left end and itself Gravity be restored to arc adding trough middle position, liquid nitrogen adding mouth is sealed, the leakproofness of device is enhanced；

4. softer, elastic seal funnel has elastic recovery, contradicted when liquid nitrogen adding tube is caught in and adds in liquid nitrogen pipes It opens, liquid nitrogen can pass through, and in the two separation, softer, elastic seal funnel sets back to adding liquid nitrogen pipes to be sealed；

5. seal glass plate and glass seal layer are harmonious, there is good leakproofness, metal slide bar can be adsorbed in sliding slot No.1 magnetic block and No. two magnetic blocks on, it is convenient to pass through the control of sliding metal slide bar plus the opening and closing of liquid nitrogen pipes, limit Position pressing plate, which is pressed together on, to be added at liquid nitrogen pipes upper opening, and the leakproofness of opening is further enhanced.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is partial structural diagram in the utility model Fig. 1.

In figure: shell 1, sliding slot 2, metal slide bar 3 plus liquid nitrogen pipes 4, soft bullet at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen Property seal funnel 5, seal glass plate 6, No.1 magnetic block 7, No. two magnetic blocks 8, glass seal layer 9, stainless steel ball 10, liquid nitrogen add Add mouth 11, liquid nitrogen adding tube 12, limit pressing plate 13, liquid nitrogen addition box 14, arc adding trough 15, No.1 communicating pipe 16, suction pumps 17, No. two communicating pipes 18.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia addition dress It sets, including shell 1 plus liquid nitrogen pipes 4, liquid nitrogen adding tube 12, liquid nitrogen add 14 and of box at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen Suction pumps 17, the right end of shell 1 is provided with through upper and lower surface plus liquid nitrogen pipes 4 at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen, Add and be equipped with a circle softer, elastic seal funnel 5 at the upper end inner ring of liquid nitrogen pipes 4, adding the lower end of liquid nitrogen pipes 4 is in have extended transversely through Seal glass plate 6, the right end of seal glass plate 6, which is fastened on, to be added in the 4 corresponding seal groove of right side inner wall of liquid nitrogen pipes, seal glass The left end of plate 6 is fixed with and 6 phase of seal glass plate in seal groove through 4 inner left wall of liquid nitrogen pipes corresponding seal groove is added The glass seal layer 9 of fitting, and the left end of seal glass plate 6 is through the end one for adding 4 inner left wall seal groove of liquid nitrogen pipes It is connected with metal slide bar 3, metal slide bar 3 is arranged perpendicular to seal glass plate 6, and metal slide bar 3 is actively installed in sliding slot 2, sliding slot 2 Inner left wall lower end and lower end bottom surface right end be inlaid with No. two magnetic blocks 8 corresponding with 3 lower end of metal slide bar and one respectively Number magnetic block 7 adds the upper end of liquid nitrogen pipes 4 to be equipped with liquid nitrogen adding tube 12 with matching, the interposition of liquid nitrogen adding tube 12 It sets fixing sleeve and is equipped with limit pressing plate 13, the upper end of liquid nitrogen adding tube 12 is fixedly welded on the lower end position of liquid nitrogen addition box 14, liquid Nitrogen adds 14 rectangular-blocklike structure of box, and the inside that liquid nitrogen adds box 14 is equipped with arc adding trough 15, the arc of arc adding trough 15 Shape opening is equipped with stainless steel ball 10 towards the top of liquid nitrogen addition box 14, the positive lower end internal activity of arc adding trough 15.

Softer, elastic seal funnel 5 is funnel-shaped, the lower end sealing of softer, elastic seal funnel 5.

The left end upper surface of shell 1 at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen, the upper end of metal slide bar 3 is arranged in sliding slot 2 It is arranged through the upper surface of sliding slot 2.

The 15 lower section inner wall of arc adding trough in stainless 10 left side of steel ball is equipped with what multiple groups were connected with liquid nitrogen adding tube 12 The arc adding trough 15 of liquid nitrogen adding mouth 11, stainless 10 right side of steel ball is connected with No.1 communicating pipe 16.

No.1 communicating pipe 16 adds the right side of box 14 through liquid nitrogen and is connected with suction pumps 17, the right end of suction pumps 17 Connection is equipped with No. two communicating pipes 18.

Working principle: the softer, elastic seal funnel 5 and seal glass plate 6 that the utility model adds 4 upper end of liquid nitrogen pipes are to adding Liquid nitrogen pipes 4 play the role of dual-seal protection, ensure that before and after liquid feeding nitrogen plus are not susceptible to leak at liquid nitrogen pipes 4 The phenomenon that with volatilization；

The stainless steel ball 10 that the utility model liquid nitrogen adds in the arc adding trough 15 inside box 14 is reasonable in design, By the movement of 17 pressure Shi Huixiang arc adding trough of suction pumps, 15 left end, at this point, liquid nitrogen adding mouth 11 is opened, liquid nitrogen can be from liquid Liquid nitrogen adding tube 12 plus liquid nitrogen pipes 4 are passed sequentially through at nitrogen adding mouth 11 can smoothly enter into inside device, and No. two communicating pipes 18 supply Liquid nitrogen case is connected to use；

The utility model when suction pumps 17 start, stainless steel ball 10 by the air pressure of 15 left end of arc adding trough and The gravity of itself is restored to 15 middle position of arc adding trough, is sealed to liquid nitrogen adding mouth 11, enhances device Leakproofness；

Softer, elastic seal funnel 5 has elastic recovery, is contradicted when liquid nitrogen adding tube 12 is caught in and adds in liquid nitrogen pipes 4 It opens, liquid nitrogen can pass through, and in the two separation, softer, elastic seal funnel 5 sets back to adding liquid nitrogen pipes 4 to be sealed；

Seal glass plate 6 and glass seal layer 9 are harmonious, and have good leakproofness, and metal slide bar 3 can be adsorbed in sliding slot No.1 magnetic block 7 and No. two magnetic blocks 8 on, it is convenient to beat on and off by the control of sliding metal slide bar 3 plus liquid nitrogen pipes 4 It closes, limit pressing plate 13, which is pressed together on, to be added at 4 upper opening of liquid nitrogen pipes, and the leakproofness of opening is further enhanced；

No. two communicating pipes 18 in device, suction pumps 17, No.1 communicating pipe 16, arc adding trough 15, stainless steel ball 10, Liquid nitrogen adding mouth 11, liquid nitrogen adding tube 12, softer, elastic seal funnel 5 plus liquid nitrogen pipes 4 are made by anticorrosive property material, are protected Demonstrate,prove the service life used.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. shell (1), liquid feeding at a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set, including preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen Nitrogen pipeline (4), liquid nitrogen adding tube (12), liquid nitrogen addition box (14) and suction pumps (17), it is characterised in that: the preparing hydrogen by ammonia decomposition The right end of shell (1) is provided with through upper and lower surface plus liquid nitrogen pipes (4) at furnace upper end liquid feeding nitrogen, adds liquid nitrogen pipes (4) Circle softer, elastic seal funnel (5) is equipped at the inner ring of upper end, adding the lower end of liquid nitrogen pipes (4) is in have extended transversely through seal glass plate (6), the right end of the seal glass plate (6), which is fastened on, adds on the right side of liquid nitrogen pipes (4) in the corresponding seal groove of inner wall, seal glass The left end of plate (6) is fixed with and sealing glass through liquid nitrogen pipes (4) inner left wall corresponding seal groove is added in the seal groove The glass seal layer (9) that glass plate (6) fits, and the left end of seal glass plate (6) runs through plus liquid nitrogen pipes (4) inner left wall is close The end of sealing groove is connected with metal slide bar (3), and the metal slide bar (3) is arranged perpendicular to seal glass plate (6), and metal is sliding Bar (3) is actively installed in sliding slot (2), and the inner left wall lower end of sliding slot (2) and lower end bottom surface right end are inlaid with slide with metal respectively The corresponding No. two magnetic blocks (8) in bar (3) lower end and No.1 magnetic block (7), described plus liquid nitrogen pipes (4) upper ends are equipped with therewith The middle position fixing sleeve of the liquid nitrogen adding tube (12) matched, liquid nitrogen adding tube (12) is equipped with limit pressing plate (13), and liquid nitrogen adds The upper end of pipe (12) is added to be fixedly welded on the lower end position of liquid nitrogen addition box (14), the liquid nitrogen adds box (14) rectangular-blocklike Structure, the inside that liquid nitrogen adds box (14) are equipped with arc adding trough (15), the curved opening direction of the arc adding trough (15) Liquid nitrogen adds the top of box (14), and the positive lower end internal activity of arc adding trough (15) is equipped with stainless steel ball (10).

2. a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set according to claim 1, it is characterised in that: the soft bullet Property seal funnel (5) it is funnel-shaped, the sealing of the lower end of softer, elastic seal funnel (5).

3. a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set according to claim 1, it is characterised in that: the sliding slot (2) the left end upper surface of shell (1) is set at preparing hydrogen by ammonia decomposition furnace upper end liquid feeding nitrogen, and the upper end of metal slide bar (3) is through cunning The upper surface of slot (2) is arranged.

4. a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set according to claim 1, it is characterised in that: the stainless steel Inner wall is equipped with the liquid nitrogen addition that multiple groups are connected with liquid nitrogen adding tube (12) below arc adding trough (15) on the left of ball (10) Mouthful (11), the arc adding trough (15) on the right side of stainless steel ball (10) are connected with No.1 communicating pipe (16).

5. a kind of preparing hydrogen by ammonia decomposition furnace liquefied ammonia adding set according to claim 4, it is characterised in that: the No.1 connects Siphunculus (16) adds the right side of box (14) through liquid nitrogen and is connected with suction pumps (17), and the right end connection of suction pumps (17) is set There are No. two communicating pipes (18).