CN201436474U

CN201436474U - Molecule sealer

Info

Publication number: CN201436474U
Application number: CN2009200752277U
Authority: CN
Inventors: 李静如
Original assignee: Shanghai Kentex Int'l & Engineering Corp
Current assignee: Shanghai Kentex Int'l & Engineering Corp
Priority date: 2009-07-24
Filing date: 2009-07-24
Publication date: 2010-04-07
Anticipated expiration: 2019-07-24

Abstract

The utility model discloses a molecule sealer, which comprises a body, a labyrinth backflow plate, an outlet on the upper end of the body, an inlet on the lower end of the body and a sludge drain tube; wherein, a plurality of multilayer type labyrinth loops for enabling the combustible gas to rise in rotary mode. Beneficial effect: the sealer can improve the torch safety more effectively than the conventional bell type molecule sealing can, and prevent backfire effectively, and further, can prolong the service life of the torch combustion head effectively.

Description

Molecular sealer

Affiliated technical field

The utility model relates to a kind of molecular sealer, the safety that especially a kind of petrochemical industry is used, anti-backfire device.

Background technology

Commonly used, traditional at present molecular sealer, as shown in Figure 1, comprise column staving 101 and be positioned at the fluid dispersal device 102 of staving 101 inside near the arcuation of top combustion heads 103, when fuel gas front when staving rises runs into the fluid dispersal device 102 of arcuation,, and then burn along rising on the slit between staving and the fluid dispersal device at fuel gas under the pressure of fluid dispersal device 102 to combustion head 103 places.Though it is yet this burner also can to a certain degree improve the current rate of fuel gas, milder with gas fuel burning; Fluid dispersal device 102 also can prevent tempering to a certain extent.But, owing to gas purging amount bad control not of uniform size flammable in daily operation, even discharge capacity causes fluid dispersal device 102 especially greatly because the positive pressure that is subjected to is big especially sometimes, break away from retainer ring and pushed up combustion head 103, make whole breaking down, even set off an explosion, cause the waste of personnel and injures and deaths and resource.

Therefore a kind ofly can improve above-mentioned defective, new, good stability, the invention of the molecular sealer that good reliability, safety are anti-backfire is imperative.

The utility model content

For solving the problem that exists in the aforementioned background art, as problems such as: the poor stability of torch burning head, service life are short, the utility model provides a kind of novel molecular sealer, it can effectively improve the security performance of torch burning head, can effectively prevent tempering and then can effectively prolong service life of torch burning head.

Described a kind of flare system molecular sealer, comprise body and be positioned at the gas outlet of body upper end and be positioned at the air inlet of body lower end that it is characterized in that: described body interior is provided with the loop, labyrinth that some fuel gas revolutions that the air inlet place is entered rise to the combustion head that connects.Loop, described labyrinth is made up of intrinsic some back flow plates; Described back flow plate becomes certain angle setting less than 180 ° in body; Described back flow plate is divided into loop, three labyrinths with body, comprise that the gas outlet is in it and to the loop, ground floor labyrinth of the extension of body lower end, loop, second layer labyrinth that be connected with lower end, loop, ground floor labyrinth and that extend along body upper end, be connected with upper end, loop, second layer labyrinth and extend along the body lower end comprise that air inlet is in its interior the 3rd layer of loop, labyrinth; Described back flow plate is divided into loop, N layer labyrinth with body, and wherein N is more than or equal to 3; Described back flow plate is strengthened fixing by the plurality of fixed device in body; Described fixture is provided with is convenient to the gas channel that gas passes through; Be provided with non-burning gases or inert gas injection device near the air inlet place on the described body; The gas that described gas injection apparatus injects is nitrogen; Be provided with the exhaust system of pollution discharge type condensate drain on the described body near the air inlet place, described exhaust system comprises the filter that carries macromolecular particle, the drainage pipeline that matches with filter and high-pressure jet device.。

The beneficial effects of the utility model are: the injection of non-burning gases such as the setting in loop, labyrinth and nitrogen: first, can be according to the influx of how many suitable non-burning gases such as adjustment nitrogen of the discharge capacity of fuel gas, and then the flame size of control port, can be not fluctuated, even extinguish.The second, enter the gas of combustion head path the higher authorities in the loop, labyrinth, its pressure is constantly loose by folding, no longer combustion head is produced very big pressure, thereby also can not damage combustion head, says the service life that has also just prolonged combustion head from certain angle.The 3rd, when meeting accident combustion head generation tempering, the tongues of fire of tempering can positive run into a large amount of non-burning gases such as the nitrogen that is piled up in this when going to the low side in loop, first labyrinth, can extinguish automatically, have avoided the danger of tempering.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further detailed.

Fig. 1 is the rough schematic of the molecular sealer of prior art.

Fig. 2 is the structural representation of molecular sealer of the present utility model.

The specific embodiment

Specifically introduce various embodiment of the present utility model with reference to the accompanying drawings, structure or function identical among the figure mark with identical numeral.Should be noted that the purpose of accompanying drawing just is convenient to the explanation to the utility model specific embodiment, is not a kind of unnecessary narration or to the restriction of the utility model scope, in addition, accompanying drawing there is no need to draw in proportion.

As shown in the figure, the utility model provides a kind of novel molecular sealer, and it can effectively improve the security performance of torch burning head, can effectively prevent tempering and then can effectively prolong service life of torch burning head itself.Described novel molecular sealer comprises body 201, be positioned at the gas outlet 301 of body 201 upper ends and be positioned at the air inlet 401 of body 201 lower ends.

Described body 201 is roughly cylindrical, is the closed type jar, is provided with two independently back flow plates in the sealing jar, i.e. first back flow plate 210, second back flow plate 211, described back flow plate become certain 180 ° of how much angles of revolution that are not more than in body 201; Be that described back flow plate will be divided into the loop, three labyrinths that is interconnected for hermetically sealed can, that is: comprise and seal combustion head 301 (gas gas outlet place burning) in it and to the loop, first labyrinth of the extension of body 201 lower ends, loop, second labyrinth that be connected with lower end, loop, first labyrinth and that extend along body 201 upper ends, be connected with upper end, loop, second labyrinth and comprising of extending along body 201 lower ends and seal the three labyrinth loop of air inlet 401 in it; And form an acute angle between the part of close gas outlet (combustion head) 301, the upper end of second back flow plate 211 in the loop, first labyrinth and the plane of gas outlet 301, form an obtuse angle between the remainder of this sloping portion and second back flow plate 211, and this remainder extends to the upper end of air inlet 401 straight down, first back flow plate 210 is just in time opposite with the position of second back flow plate 211, the vertical part of its two back flow plate is parallel respectively with sloping portion, and the vertical part of first back flow plate 210 maintains suitable distance with the sloping portion of second back flow plate 211, makes that the channel width in loop, three labyrinths is identical.Described back flow plate 210,211 is fixed by plurality of fixed device 202 in body 201, is provided with a gas injection apparatus (not shown) that injects anti-backfire gases such as non-burning gases or inert gas in each layer loop in the lower end in ground floor loop near the position of air inlet 401 on the described body 201; The anti-backfire gas that described gas injection apparatus injects is non-burning gases or inert gas; can be suitable gases such as nitrogen; be that example describes with nitrogen in the utility model, other anti-backfire gas is not done at this and is given unnecessary details, but within protection domain of the present utility model.

In the production use of reality; when fuel gas enters body 201 by air inlet 401; the fuel gas that pressure is bigger at first can be run into the sloping portion less than first back flow plate 210 at 180 ° of angles of inclination; this sloping portion is turned back to loop, the 3rd labyrinth with fuel gas waste gas; and divide the partial pressure of having taken off when fuel gas enters; then; waste gas continues to rise to the sloping portion that the top runs into second back flow plate 211 along layer loop, the 3rd labyrinth; this sloping portion enters the fuel gas reflection of rising by back flow plate 210; the loop, second labyrinth that 211 vertical portion branch is formed; fuel gas moves downwards along loop, second labyrinth under the effect of pressure; when running to lower end, loop, second labyrinth; run into the sloping portion of first back flow plate 210 once more; this sloping portion is turned back to loop, first labyrinth with fuel gas; and the non-burning gases of part that are connected in the lower end in loop, second labyrinth and loop, first labyrinth or the gas injection apparatus of inert gas constantly inject nitrogen stream come in according to the size of fuel gas air-flow; because nitrogen is big with respect to its molecular weight of fuel gas; quality is big; so most of nitrogen is piled up in this; also there is part nitrogen to be brought into gas outlet 301 along with the rising of fuel gas; one; the size that a spot of nitrogen that rises can be regulated combustion flame; two; in case accident generation tempering is arranged; the a large amount of nitrogen that are deposited on the lower end in loop, second labyrinth and loop, first labyrinth can block up further spreading of exhausted tempering; protect molecular sealer itself, avoided blast.Certainly, in the process that fuel gas constantly moves along the loop, labyrinth, the continuous current path (road) that gas passes through of being convenient to by 202 of fixtures, this fixture 202 not only can be firm fix first back flow plate 210 and second back flow plate 211, and the suitable air-flow of giving operation is adjusted pressure, and the fuel gas that constantly passes through from gas channel is also regulated to a certain extent, like this, the gas that burn the upper end in 301 places in the gas outlet, air-flow is more stable, the air pressure that comes up is also more fixing, so flame size is also more stable, can be not suddenly big or suddenly small even extinguish, thus the security of torch combustion head in the production use of reality farthest guaranteed.

In addition, on body 201, also be provided with the exhaust system that is used for the pollution discharge type condensate drain, it comprises drainpipe 601, be positioned at the screen pack (not indicating) and the high-pressure jet device (not shown) of drainpipe upper end, this drainpipe 601 and screen pack are positioned near the part that the lower end in loop, second labyrinth and loop, first labyrinth is connected the body (or on other suitable positions), all macromolecular particles in the gas uphill process are because physical action all flow on the screen pack with other molecular separation under the effect of turning point in power side by side, moisture is then discharged via drainpipe 601, so can lower the daily environmental issues such as black smoke that cause because the macromolecular particle burning is insufficient effectively, when the macromolecular particle on the screen pack is too much, the gases at high pressure sprays flushing device that is positioned at the part that also belongs to exhaust system outside the molecular sealer then makes the macromolecular particle moment on the screen pack be ejected molecular sealer via the leap high body of calming the anger of drainpipe 601 sprays, so help keeping clean and tidy in this molecule sealer, and relevant security performance is also to a certain degree obtaining guarantee.And molecular sealer of the present utility model also is provided with the manhole (not shown) that makes things convenient for the people to enter to keep in repair on the appropriate location of body 201, has so just improved the inconvenient problem of maintenance.

In a word, the utility model molecular sealer is safe, long service life, and the design of its hommization meets the trend of modern industry development.

The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.Any those of ordinary skill in the art are not breaking away under the technical solutions of the utility model scope situation, utilize the method content of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, all belong to the scope of claims protection.

Claims

1. molecular sealer, comprise body, be positioned at the gas outlet of body upper end and be positioned at the air inlet of body lower end, it is characterized in that: described body interior is provided with the loop, labyrinth that some gases revolutions that the air inlet place is entered rise to the combustion head of molecular sealer upper end.

2. molecular sealer according to claim 1 is characterized in that: loop, described labyrinth is made up of intrinsic some back flow plates.

3. molecular sealer according to claim 2 is characterized in that: described back flow plate becomes certain angle setting less than 180 ° in body.

4. according to the described molecular sealer in one of claim 2 and 3, it is characterized in that: described back flow plate is divided into loop, three labyrinths with body, comprise that the gas outlet is in it and to the loop, ground floor labyrinth of the extension of body lower end, loop, second layer labyrinth that be connected with lower end, loop, ground floor labyrinth and that extend along body upper end, be connected with upper end, loop, second layer labyrinth and extend along the body lower end comprise that air inlet is in its interior the 3rd layer of loop, labyrinth.

5. according to claim 2, one of 3 described molecular sealer, it is characterized in that: described back flow plate is divided into loop, N layer labyrinth with body, and wherein N is more than or equal to 3.

6. according to the described molecular sealer in one of claim 2 and 3, it is characterized in that: described back flow plate is strengthened fixing by the plurality of fixed device in body.

7. molecular sealer according to claim 1 is characterized in that: be provided with the anti-backfire gas injection apparatus near the air inlet place on the described body.

8. molecular sealer according to claim 7 is characterized in that: the gas that described gas injection apparatus injects is nitrogen.

9. molecular sealer according to claim 1 is characterized in that: the exhaust system that is provided with the pollution discharge type condensate drain on the described body near the air inlet place.

10. molecular sealer according to claim 9 is characterized in that: described exhaust system comprises the filter that carries macromolecular particle, the drainage pipeline that matches with filter and high-pressure jet device.