CN216426854U - Steam distributor - Google Patents

Abstract

The utility model relates to a steam distributor, include: total takeover and a plurality of takeover that is connected with total takeover, the free end of takeover is equipped with nozzle mechanism, nozzle mechanism includes: guide sleeve, base, nozzle guard, dog and float, guide sleeve's lower pot head is located on the takeover and is welded mutually with the takeover, the base welds in the outside of guide sleeve, pass through threaded connection between nozzle guard and the base, the last reposition of redundant personnel hole that is equipped with a plurality of evenly distributed of nozzle guard, form the steam medium circulation passageway between float and the guide sleeve, the below of float is equipped with first fitting surface, the top of takeover is equipped with the second fitting surface with first fitting surface matched with, when the float fell down, form sealed face between first fitting surface and the second fitting surface. The steam distributor in the utility model divides the steam in the main connecting pipe layer by layer, thereby leading the steam to enter the oxidation reactor evenly.

Description

Steam distributor

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of chemical machinery, in particular to a steam distributor for an oxidation reactor.

[ background of the invention ]

The reaction vessel is a vessel for completing physical reaction and chemical reaction of a medium, and is widely used as a pressure-bearing device in industrial production, particularly in the industries of chemical engineering, medicine, chemical fertilizer, refining and the like due to process requirements.

The oxidation reactor is one of reaction vessels, and the waste alkali from the alkali washing tower is separated into suspended oil through a settling separation tank, stored in a storage tank and then pumped into the oxidation reactor through a pump. In the oxidation reactor, the waste alkali liquor is mixed with air, and Na2S in the waste alkali liquor is oxidized through an exothermic reaction under high pressure (0.2-3.5M Pa) and temperature (100-200 ℃). To maintain the reaction temperature, high pressure steam was introduced into the reactor.

The prior art steam distributors suffer from the following drawbacks: 1. the steam is not uniformly distributed, so that the reaction quality is influenced; 2. when the steam distributor does not work, the steam distributor does not realize a closed state, and the equipment is easy to have a vacuumizing state.

Therefore, there is a need to provide a steam distributor that solves the above technical problems.

[ Utility model ] content

In order to solve the above problems, an object of the present invention is to provide a steam distributor with uniform steam distribution.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vapor distributor, comprising: total takeover and a plurality of takeover that is connected with total takeover, the free end of takeover is equipped with nozzle mechanism, nozzle mechanism includes: the lower end of the guide sleeve is sleeved on the distributing pipe and welded with the distributing pipe, the base is welded on the outer side of the guide sleeve, the nozzle cover is arranged above the base and is in threaded connection with the base, a plurality of evenly distributed distributing holes are formed in the nozzle cover, the float is arranged in the guide sleeve, the stop block is arranged above the guide sleeve, a steam medium circulation channel is formed between the float and the guide sleeve, a first matching surface is arranged below the float, a second matching surface matched with the first matching surface is arranged above the distributing pipe, and when the float falls down, a sealing surface is formed between the first matching surface and the second matching surface.

Preferably, a steam distributor in the present invention is further configured to: the first matching surface and the second matching surface are both spherical surfaces.

Preferably, a steam distributor in the present invention is further configured to: the first matching surface and the second matching surface are both conical surfaces.

Preferably, a steam distributor in the present invention is further configured to: the stop block comprises a first stop block and a second stop block, and the first stop block and the second stop block are welded on the top of the guide sleeve in a crisscross manner.

Preferably, a steam distributor in the present invention is further configured to: and spot welding is adopted after the nozzle cover is connected with the base through threads.

Preferably, a steam distributor in the present invention is further configured to: the base comprises a ring plate welded with the guide sleeve and a first pipe connecting piece welded with the ring plate.

Preferably, a steam distributor in the present invention is further configured to: the nozzle hood comprises a second pipe connecting piece and a circular plate welded with the second pipe connecting piece.

Preferably, a steam distributor in the present invention is further configured to: the plurality of flow distribution holes are arranged on the circular plate of the nozzle hood and are circularly arranged.

Preferably, a steam distributor in the present invention is further configured to: the inner wall surface of the upper section of the guide sleeve is a conical surface.

Preferably, a steam distributor in the present invention is further configured to: the top of the float is provided with a concave part.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a steam distributor simple structure, simple to operate, the utility model provides a steam distributor shunts layer upon layer through the steam to the total connecting pipe to make in the entering oxidation reactor that steam can be even, improve reaction quality, in addition the utility model discloses a below at the float is equipped with first fitting surface, be equipped with in the top of dividing the connecting pipe with first fitting surface matched with second fitting surface, when the float falls down, form sealed face between first fitting surface and the second fitting surface, thereby can prevent that evacuation state from appearing in the equipment.

[ description of the drawings ]

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

Fig. 2 is a schematic view of the connection structure between the nozzle mechanism and the adapter tube of the present invention.

Fig. 3 is a schematic structural view of the middle stop of the present invention.

Fig. 4 is a schematic structural view of a circular plate of the nozzle boot of the present invention.

In fig. 1 to 4: 1. general connecting pipe, 2, the connecting pipe, 20, the second fitting surface, 3, the nozzle mechanism, 30, guide sleeve, 300, upper segment internal wall face, 31, the base, 310, the crown plate, 311, first connecting pipe spare, 3110, the external screw thread, 32, the nozzle guard, 320, second connecting pipe spare, 3200, the internal thread, 321, circular board, 3210, circular reposition of redundant personnel hole, 33, the dog, 330, first dog, 331, the second dog, 34, the float, 340, conical depression portion, 341, first fitting surface, 4, steam medium circulation passageway.

[ detailed description ] embodiments

A steam distributor according to the present invention is described in further detail below with reference to specific embodiments.

Referring to fig. 1 to 4, a steam distributor includes: the device comprises a main connecting pipe 1 and a plurality of branch connecting pipes 2 connected with the main connecting pipe 1, wherein the free tail ends of the branch connecting pipes 2 are provided with nozzle mechanisms 3. In the present embodiment, the number of the connection pipes 2 is three, but in other embodiments, the number of the connection pipes 2 may be determined according to specific requirements.

The nozzle mechanism 3 includes: the nozzle comprises a guide sleeve 30, a base 31, a nozzle cover 32, a stop block 33 and a float 34, wherein the lower end of the guide sleeve 30 is sleeved on the tap pipe 2 and welded with the tap pipe 2, and the base 31 comprises a ring plate 310 welded on the outer side of the guide sleeve 30 and a first pipe connecting piece 311 welded above the ring plate 310. The nozzle cover 32 is disposed above the base 31, and the nozzle cover 32 includes a second pipe connector 320 and a circular plate 321 welded to the second pipe connector 320. In this embodiment, the top of first adapter 311 is equipped with external screw thread 3110, the below of second adapter 320 is equipped with the internal thread 3200 with external screw thread 3110 matched with to make nozzle guard 32 and base 31 realize threaded connection between the two, certainly in other embodiments, the external screw thread sets up on second adapter 320, the internal thread sets up on first adapter 311, can realize equally the utility model discloses, in addition the utility model discloses well nozzle guard 32 and base 31 have still carried out spot welding after realizing threaded connection between the two, thereby have increased joint strength between the two.

The circular plate 321 of the nozzle hood 32 is provided with a plurality of uniformly distributed circular diversion holes 3210, the float 34 is disposed in the guide sleeve 30, the stopper 33 includes a first stopper 330 and a second stopper 331, and the first stopper 330 and the second stopper 331 are welded to the top of the guide sleeve 30 in a crisscross manner. The stopper 33 is used for limiting the float 34 in the guide sleeve 30, the steam medium circulation channel 4 is formed between the float 34 and the guide sleeve 30, and the inner wall surface 300 of the upper section of the guide sleeve 30 is a conical surface, so that the area of the steam medium circulation channel 4 is increased, and the circulation efficiency of the steam medium is improved. The top of the float 34 is provided with a conical recess 340, the conical recess 340 serving to prevent the float 34 from being immobilized by the vapor medium pressure due to its excessive weight. A first matching surface 341 is arranged below the float 34, a second matching surface 20 matched with the first matching surface 341 is arranged above the tap 2, and when the float 34 falls, a sealing surface is formed between the first matching surface 341 and the second matching surface 20. In this embodiment, the first mating surface 341 and the second mating surface 20 are both conical surfaces, but in other embodiments, the first mating surface 341 and the second mating surface 20 may be spherical surfaces, and the present invention may be implemented similarly.

The utility model discloses well steam distributor's theory of operation does: the steam medium with pressure enters the main connecting pipe 1 from a steam medium inlet below the main connecting pipe 1, the steam medium in the main connecting pipe 1 is further divided into three branch connecting pipes 2 so as to realize primary division of the steam medium, the steam medium with pressure in the branch connecting pipes 2 upwards jacks up the float 34, the stop 33 at the top of the float 34 is used for limiting the float 34, the working position of the float 34 is ensured, after the float 34 is jacked up, the first matching surface 341 of the float 34 and the second matching surface 20 of the branch connecting pipe 2 are in a separated state, namely the float 34 is in an open state, so that the steam medium with pressure can enter the steam medium circulation passage 4 between the guide sleeve 30 and the float 34 from the branch connecting pipe 2, so as to realize secondary division of the steam medium, the steam medium passes through the steam medium circulation passage 4 between the guide sleeve 30 and the float 34 and enters the nozzle hood 32 from a gap between the first stop 330 at the top and the second stop 331, the steam medium in the nozzle hood 32 goes out through a plurality of circular diversion holes 3210 on the circular plate 321, so that the tertiary diversion of the steam medium is realized. When the steam medium is not passed through, float 34 falls through the dead weight, and after float 34 falls, first fitting surface 341 on float 34 cooperatees with second fitting surface 20 on the takeover 2 thereby to form the sealed face, and float 34 is in the closed condition at this moment, and the benefit of setting like this is that after float 34 closed, has realized blocking of space above float 34 with the space below, consequently can prevent that the evacuation state from appearing in the equipment.

To sum up, the utility model provides a steam distributor simple structure, simple to operate, the utility model provides a steam distributor shunts layer upon layer through the steam to the total pipe that connects to make in the entering oxidation reactor that steam can be even, improve reaction mass, in addition the utility model discloses a below at the float is equipped with first fitting surface, be equipped with in the top of dividing the pipe with first fitting surface matched with second fitting surface, when the float falls down, form sealed face between first fitting surface and the second fitting surface, thereby can prevent that evacuation state from appearing in the equipment.

The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.

Claims (10)

1. A vapor distributor, comprising: the method comprises the following steps: total takeover and a plurality of takeover that is connected with total takeover, the free end of takeover is equipped with nozzle mechanism, nozzle mechanism includes: the lower end of the guide sleeve is sleeved on the distributing pipe and welded with the distributing pipe, the base is welded on the outer side of the guide sleeve, the nozzle cover is arranged above the base and is in threaded connection with the base, a plurality of evenly distributed distributing holes are formed in the nozzle cover, the float is arranged in the guide sleeve, the stop block is arranged above the guide sleeve, a steam medium circulation channel is formed between the float and the guide sleeve, a first matching surface is arranged below the float, a second matching surface matched with the first matching surface is arranged above the distributing pipe, and when the float falls down, a sealing surface is formed between the first matching surface and the second matching surface.

2. A vapor distributor according to claim 1, wherein: the first matching surface and the second matching surface are both spherical surfaces.

3. A vapor distributor according to claim 1, wherein: the first matching surface and the second matching surface are both conical surfaces.

4. A vapor distributor according to claim 1, wherein: the stop block comprises a first stop block and a second stop block, and the first stop block and the second stop block are welded on the top of the guide sleeve in a crisscross manner.

5. A vapor distributor according to claim 1, wherein: and the nozzle cover and the base are connected through threads and then are subjected to spot welding.

6. A vapor distributor according to claim 1, wherein: the base comprises a ring plate welded with the guide sleeve and a first pipe connecting piece welded with the ring plate.

7. A vapor distributor according to claim 1, wherein: the nozzle hood comprises a second pipe connecting piece and a circular plate welded with the second pipe connecting piece.

8. A vapor distributor according to claim 7, wherein: the plurality of the flow distribution holes are arranged on the circular plate of the nozzle hood and are circularly arranged.

9. A vapor distributor according to claim 1, wherein: the inner wall surface of the upper section of the guide sleeve is a conical surface.

10. A vapor distributor according to claim 1, wherein: the top of the float is provided with a concave part.

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