CN211146515U

CN211146515U - Torch head molecule seal

Info

Publication number: CN211146515U
Application number: CN201922251019.4U
Authority: CN
Inventors: 赵亮; 赵宗武; 张晓东
Original assignee: Shanxi Huashi Group Co ltd
Current assignee: Shanxi Huashi Group Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-31
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a flare tip molecule seal, which belongs to the technical field of petrochemical emission systems, and particularly comprises an outer barrel, wherein the top and the bottom of the outer barrel are both fixed with a reducing connecting barrel, the reducing connecting barrel at the top of the outer barrel is connected with a flare gas outlet pipe, the top of the flare gas inlet pipe is provided with a cross fixing plate, the cross fixing plate is provided with a first clamping groove for clamping the pipe wall of the flare gas inlet pipe, the lower part of the flare gas inlet pipe is fixed with a supporting plate all around, the supporting plate is provided with a second clamping groove, the bottom of a bell jar is clamped in the second clamping groove, the bottom of the bell jar is also fixed with a plurality of first supporting angle steels all around, the first supporting angle steels are supported in the reducing connecting barrel at the bottom of the outer barrel, the top of the bell jar is also fixed with three second supporting angle steels evenly, the second supporting angle steels are supported on the reducing connecting barrel at, the bell jar can be effectively prevented from falling off, and stable and reliable operation is ensured.

Description

Torch head molecule seal

Technical Field

The utility model relates to a torch head molecule seals belongs to petrochemical emission system technical field.

Background

In recent years, the problem that a bell jar is frequently dropped off due to the molecular sealer used by part of users is caused to cause a pressure building phenomenon. The traditional fixing mode of the bell jar is that the upper part and the lower part of the wall of the bell jar are connected and supported by the supporting block and the inner barrel and the outer barrel, and because the components of the flare exhaust gas are complex and mostly contain trace hydrogen sulfide components, the corrosivity is stronger, the supporting block corrodes faster, the supporting block is desoldered with the outer barrel, the bell jar drops, and the bell jar is buckled on the bottom to cause the pressure building. Once a large amount of the flame is discharged, the bell jar is supported and jacked at the upper cone of the outer cylinder body to seal the flare gas outlet, so that explosion accidents are easily caused, and meanwhile, as the caliber of some flare heads is large, refractory materials are stored in the flare heads for a long time, the refractory materials fall off, and dust in the flare gas and dust generated after the flare gas is burnt can also cause the blockage of the molecular seal.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem that prior art exists, the utility model provides a structural design is reasonable, can effectively avoid the bell jar to drop, guarantees to move stable, reliable torch head molecule and seals.

In order to achieve the purpose, the technical scheme adopted by the utility model is a flare tip molecular seal, which comprises an outer barrel, a bell jar fixed inside the outer barrel and a flare gas inlet pipe fixed inside the bell jar, wherein the top and the bottom of the outer barrel are both fixed with a reducing connecting cylinder, the reducing connecting cylinder at the top of the outer barrel is connected with a flare gas outlet pipe, the flare gas inlet pipe penetrates out along the reducing connecting cylinder at the bottom of the outer barrel and is fixedly connected with the reducing connecting cylinder, the top of the flare gas inlet pipe is provided with a cross fixing plate, the cross fixing plate is provided with a first clamping groove for clamping the pipe wall of the flare gas inlet pipe, the lower part of the flare gas inlet pipe is fixed with a supporting plate all around, the supporting plate is provided with a second clamping groove, the bottom of the bell jar is clamped in the second clamping groove, the bottom of the bell jar is also fixed with a plurality of first supporting angle steels all around, the first support angle steel is supported in the reducing connecting cylinder at the bottom of the outer cylinder body, three second support angle steel are further uniformly fixed at the top of the bell jar, the second support angle steel is supported on the reducing connecting cylinder at the top of the outer cylinder body, and a condensate liquid outlet pipe and an access hand hole are further formed in the reducing connecting cylinder at the bottom of the outer cylinder body.

Preferably, a heating coil is installed on the outer wall of the reducing connecting cylinder at the bottom of the outer cylinder body, a plurality of hooks are fixed on the outer wall of the reducing connecting cylinder, and the heating coil is clamped on the hooks.

Preferably, the flare gas outlet pipe mainly comprises a straight barrel pipe and an outlet pipe, the straight barrel pipe and the outlet pipe are fixedly connected, the straight barrel pipe and the outlet pipe are not in a straight line, an ash collecting groove is arranged below the outlet pipe, an ash baffle is arranged on one side of the ash collecting groove, the ash baffle inclines towards the axis direction of the straight barrel pipe, an ash discharging pipe is arranged at the bottom of the ash collecting groove, an ash discharging valve is arranged at the bottom of the ash discharging pipe, and the ash discharging pipe, the outer barrel body and the flare gas inlet pipe are fixed through a connecting frame.

Preferably, an observation window is reserved at the lower part of the ash discharge pipe.

Preferably, the height of the dust baffle is 1/4 of the airflow channel.

Compared with the prior art, the utility model discloses following technological effect has: the utility model has the advantages of reasonable design, the adoption clamps through the cross fixed plate and is connected between bell jar and torch gas intake pipe, the bottom of bell jar clamps through backup pad and support angle steel with the bottom of outer barrel and is connected, the top of bell jar clamps through support angle steel and outer barrel and is connected, above-mentioned hookup location all is unwelded, the head that utilizes reducing connecting cylinder and bell jar carries out spacing fixed, make the bell jar form stable limit structure, can not cause the bell jar to drop the scheduling problem because of corroding the desoldering, guarantee that equipment operation is reliable and stable.

Meanwhile, the flare gas outlet pipe is designed in an offset mode, the ash collecting groove is reserved at the bottom of the flare gas outlet pipe, so that refractory materials and dust can be collected into the ash collecting groove and do not enter the molecular seal, the molecular seal cannot be blocked, and the molecular seal is further guaranteed to be reliable in operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is a schematic view of the installation structure of the middle heating coil of the present invention.

Fig. 4 is a schematic structural view of the cross-shaped fixing plate of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1 and 2, a flare head molecular seal comprises an outer cylinder body 1, a bell jar 2 fixed inside the outer cylinder body and a flare gas inlet pipe 3 fixed in the bell jar, wherein the top and the bottom of the outer cylinder body 1 are both fixed with reducing connecting cylinders 4, the reducing connecting cylinder at the top of the outer cylinder body 1 is connected with a flare gas outlet pipe, the flare gas inlet pipe 3 penetrates out along the reducing connecting cylinder 4 at the bottom of the outer cylinder body and is fixedly connected with the reducing connecting cylinder 4, the top of the flare gas inlet pipe 3 is provided with a cross fixing plate 5, the cross fixing plate 5 is provided with a first clamping groove 6 for clamping the pipe wall of the flare gas inlet pipe, the periphery of the lower part of the flare gas inlet pipe 3 is fixed with a support plate 7, the support plate 7 is provided with a second clamping groove, the bottom of the bell jar 2 is clamped in the second clamping groove 20, the periphery of the bottom of the bell jar 2 is also fixed with a plurality of first support angle steels 8, the first support angle steels, three second support angle steels 9 are further uniformly fixed to the top of the bell jar, the second support angle steels 9 are supported on the reducing connecting cylinder 4 at the top of the outer cylinder body, and a condensate liquid outlet pipe 10 and a manhole 11 are further arranged on the reducing connecting cylinder at the bottom of the outer cylinder body 1.

The utility model discloses the both ends of china and foreign barrel body adopt the reducing connecting cylinder design, utilize to clamp the structure and clamp spacingly to the bell jar, realize fixed purpose. When the fixing is carried out, a torch gas inlet pipe 3 is inserted into the outer cylinder body, a supporting plate 7 is arranged on the periphery of the lower portion of the torch gas inlet pipe 3, the end portion of the supporting plate 7 is attached to the inner wall of the outer cylinder body and clamped on a reducing connecting cylinder at the bottom of the outer cylinder body, the torch gas inlet pipe 3 and the reducing connecting cylinder are welded and fixed, a cross fixing plate 5 is arranged on the top of the torch gas inlet pipe 3, the length of the cross fixing plate 5 is the same as the inner diameter of a bell jar, the cross fixing plate 5 is inserted along the inner wall of the bell jar until the cross fixing plate 5 is clamped on a sealing head of the bell jar, the bottom of the bell jar is clamped on a second clamping groove 20 on the supporting plate 7, bottom supporting angle steel of the bell jar is clamped on the reducing connecting cylinder, then the reducing connecting cylinder at the top is welded, the reducing connecting cylinder is in contact with the supporting angle steel at the top, the bell jar is not easy to fall off. The condensate liquid outlet pipe 10 is used for discharging condensate liquid in the molecular seal, and the inspection hand hole 11 is used for maintenance operations such as inspection, dust removal and the like.

As shown in fig. 3, a heating coil 12 is installed on the outer wall of the reducing connecting cylinder at the bottom of the outer cylinder 1, a plurality of hooks 13 are fixed on the outer wall of the reducing connecting cylinder 4, and the heating coil 12 is clamped on the hooks 13. The heating coil is fixed on the outer wall of the reducing connecting cylinder 4, so that the fixing is simple and convenient, and the corrosion of torch gas to the heating coil can be prevented.

As shown in figure 1, the flare gas outlet pipe mainly comprises a straight barrel pipe 14 and an outlet pipe 15, the straight barrel pipe 14 and the outlet pipe 15 are fixedly connected, the straight barrel pipe 14 and the outlet pipe 15 are not in a straight line, an ash collecting groove 16 is arranged below the outlet pipe 15, an ash baffle 17 is arranged on one side of the ash collecting groove 16, the ash baffle 17 inclines towards the axis direction of the straight barrel pipe, an ash discharging pipe 18 is arranged at the bottom of the ash collecting groove 16, an ash discharging valve is arranged at the bottom of the ash discharging pipe 18, and the ash discharging pipe 18, the outer barrel 1 and the flare gas inlet pipe 3 are all fixed through a connecting frame 19. In order to prevent the dust generated by the refractory material and the combustion from entering the molecular seal, a biasing structure is arranged at the gas outlet of the molecular seal, so that the dust generated by the refractory material and the combustion falls into the dust collecting groove and is discharged through the dust discharge pipe, the operation is simple and convenient, the observation window is reserved at the lower part of the dust discharge pipe 18, the dust discharge pipe 18 is in a normally closed state, the dust amount of the dust discharge pipe can be known through the observation window, and the dust removal is facilitated. The height of the dust baffle 17 is 1/4 of the airflow channel, which does not affect the airflow and can also ensure that dust does not enter the molecular seal.

The foregoing is considered as illustrative and not restrictive of the preferred embodiments of the invention, and any modifications, equivalents and improvements made within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a torch head molecule seals, includes outer barrel and fixes the bell jar inside outer barrel and fix the torch gas intake pipe in the bell jar, its characterized in that: the variable-diameter connecting cylinders are fixed at the top and the bottom of the outer cylinder body, a flare gas outlet pipe is connected onto the variable-diameter connecting cylinder at the top of the outer cylinder body, the flare gas inlet pipe penetrates out along the variable-diameter connecting cylinder at the bottom of the outer cylinder body and is fixedly connected with the variable-diameter connecting cylinders, a cross fixing plate is installed at the top of the flare gas inlet pipe, a first clamping groove for clamping the pipe wall of the flare gas inlet pipe is arranged on the cross fixing plate, a supporting plate is fixed on the periphery of the lower part of the flare gas inlet pipe, a second clamping groove is arranged on the supporting plate, the bottom of the bell jar is clamped in the second clamping groove, a plurality of first supporting angle steels are fixed on the periphery of the bottom of the bell jar, the first supporting angle steels are supported in the variable-diameter connecting cylinder at the bottom of the outer cylinder body, three second supporting angle steels are uniformly fixed on the top of the bell jar, and are supported on the variable, and a condensate liquid outlet pipe and a maintenance hand hole are also arranged on the reducing connecting cylinder at the bottom of the outer cylinder body.

2. The torch head molecular seal of claim 1, wherein: the heating coil is installed on the outer wall of the reducing connecting cylinder at the bottom of the outer cylinder body, a plurality of hooks are fixed on the outer wall of the reducing connecting cylinder, and the heating coil is clamped on the hooks.

3. The torch head molecular seal of claim 1, wherein: the flare gas outlet pipe mainly comprises a straight pipe and an outlet pipe, the straight pipe and the outlet pipe are fixedly connected, the straight pipe and the outlet pipe are not in the same straight line, an ash collecting groove is arranged below the outlet pipe, an ash baffle is arranged on one side of the ash collecting groove, the ash baffle inclines towards the axis direction of the straight pipe, an ash discharging pipe is arranged at the bottom of the ash collecting groove, an ash discharging valve is arranged at the bottom of the ash discharging pipe, and the ash discharging pipe, the outer cylinder and the flare gas inlet pipe are fixed through connecting frames.

4. The torch head molecular seal of claim 3, wherein: and an observation window is reserved at the lower part of the ash discharge pipe.

5. The torch head molecular seal of claim 3, wherein: the height of the dust baffle is 1/4 of the airflow channel.