CN216726214U

CN216726214U - Ammonia dehydration device

Info

Publication number: CN216726214U
Application number: CN202123221104.XU
Authority: CN
Inventors: 段有龙; 谭瑞春
Original assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Current assignee: Acre Coking and Refractory Engineering Consulting Corp MCC
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-14
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a coking separation equipment technical field especially relates to an ammonia dewatering device. Comprises an ammonia inlet, an ammonia outlet, a shell, a wire mesh demister, a liquid discharge pipe and a liquid seal pipe; the shell comprises an end enclosure, a barrel, a conical section and a partition plate, the end enclosure is fixedly connected to the top of the barrel, the conical section is fixedly connected to the bottom of the barrel, and the partition plate is fixedly connected in the barrel; the ammonia inlet is tangent to the cylinder, and the ammonia outlet is fixedly connected to the top of the seal head; the screen demister is fixedly connected in the shell, is positioned above the partition plate and is positioned between the ammonia inlet and the ammonia outlet; the top end of the liquid discharge pipe is fixedly connected to the partition board, the liquid seal pipe is inserted into the conical section from the bottom of the conical section, and the top end of the liquid seal pipe is higher than the bottom end of the liquid discharge pipe. Can effectively reduce the water content in the ammonia gas, meet the operation requirement of a saturator and meet the requirement of an ammonia water ammonia distillation process.

Description

Ammonia dehydration device

Technical Field

The utility model relates to a coking separation equipment technical field especially relates to an ammonia dewatering device.

Background

The ammonia distillation of the residual ammonia water in the coking plant is to distill free ammonia in the ammonia water by utilizing steam, the distilled ammonia gas is subjected to fractional condensation to 98 ℃ through a tower top dephlegmator to obtain 12 percent ammonia gas, the ammonia gas enters a saturator of an ammonium sulfate device, and the ammonia is absorbed by sulfuric acid in ammonium sulfate mother liquor to generate ammonium sulfate.

In order to keep the water balance of the mother liquor operation of a saturator system, the water content in ammonia gas needs to be reduced, no special ammonia gas dehydration device is arranged at present, the water content in ammonia gas is effectively reduced, and the problem which needs to be solved urgently is solved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an ammonia dehydration device which can effectively reduce the water content in ammonia and meet the demand of ammonia water ammonia distillation process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ammonia dehydration device comprises an ammonia inlet, an ammonia outlet, a shell, a wire mesh demister, a liquid discharge pipe and a liquid seal pipe; the shell comprises an end enclosure, a barrel, a conical section and a partition plate, the end enclosure is fixedly connected to the top of the barrel, the conical section is fixedly connected to the bottom of the barrel, and the partition plate is fixedly connected in the barrel; the ammonia inlet is tangent to the cylinder, and the ammonia outlet is fixedly connected to the top of the seal head; the screen demister is fixedly connected in the shell, is positioned above the partition plate and is positioned between the ammonia inlet and the ammonia outlet; the top end of the liquid discharge pipe is fixedly connected to the partition board, the liquid seal pipe is inserted into the conical section from the bottom of the conical section, and the top end of the liquid seal pipe is higher than the bottom end of the liquid discharge pipe.

The ammonia outlet extends into the end enclosure.

Still include little barrel, little barrel rigid coupling is on the baffle, and the baffle is stretched out at little barrel top, and little barrel bottom is less than the bottom of ammonia entry body.

The wire mesh demister comprises a top plate, a pull rod, a wire mesh and a bottom plate; the silk screen passes through the pull rod rigid coupling between roof and bottom plate, and the roof rigid coupling is on the roof beam, and the roof beam links to each other with the connecting plate, and the connecting plate rigid coupling is at the barrel inner wall.

The top plate and the bottom plate are provided with holes corresponding to the pull rods.

The beam is connected with the connecting plate through a bolt, and the connecting plate and the beam are provided with strip holes which are vertical to each other.

The liquid seal pipe is connected with the ammonia still through a pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the ammonia entry is tangent with the barrel, and ammonia outlet rigid coupling is at the casing top, and the air current will become circular motion by linear motion when aqueous ammonia enters into people's casing by tangential ammonia entry, removes the large granule liquid drop under the effect of centrifugal force.

2. The utility model discloses the ammonia increases the gathering of tiny particle liquid drop through the silk screen defroster under the centrifugal force effect, improves the separation effect, and the liquid drop leans on gravity downstream along the silk screen, reduces the resistance.

3. The utility model discloses an ammonia of silk screen defroster moves to ammonia outlet under the centrifugal force effect, and the striking is on the head, and the ammonia direction changes, stretches the pipeline outflow in through the ammonia outlet, detaches the liquid drop.

The utility model discloses through tertiary defogging, accomplish the ammonia dehydration, can effectively reduce ammonia normal water content, satisfy saturator operation requirement.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a sectional view B-B of fig. 1.

In the figure: 1-conical section 2-cylinder 3-ammonia gas inlet 4-partition plate 5-flange 6-end enclosure 7-ammonia gas outlet 8-connecting plate 9-beam 10-top plate 11-pull rod 12-silk screen 13-bottom plate 14-liquid discharge pipe 15-small cylinder 16-liquid discharge port 17-liquid seal pipe

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1-3, an ammonia dehydration device comprises a shell, wherein the shell comprises a seal head 6, a cylinder 2, a conical section 1 and a partition plate 4. The cylinder 2 is a circular cylinder and is vertically arranged, the end socket 6 is fixedly connected to the top of the cylinder 2, the end socket 6 is connected with the cylinder 2 through the flange 5, and the conical section 1 is fixedly connected to the bottom of the cylinder 2. The baffle 4 is the circular slab, and the horizontal rigid coupling of baffle 4 is in barrel 2, and the silk screen defroster is located baffle 4 tops.

The device also comprises an ammonia gas inlet 3, an ammonia gas outlet 7, a wire mesh demister, a liquid discharge pipe 14, a liquid seal pipe 17 and a small cylinder 15.

The ammonia gas inlet 3 is fixedly connected with the lower part of the cylinder 2, and the ammonia gas inlet 3 is tangent to the cylinder 2. An ammonia outlet 7 is fixedly connected to the top of the end socket 6, the ammonia outlet 7 is the same as the axis of the cylinder body 2, and the bottom of the ammonia outlet 7 extends into the end socket 6.

The small cylinder 15 is welded on the partition plate 4, the partition plate 4 extends out of the top of the small cylinder 15, and the bottom end of the small cylinder 15 is lower than the bottom end of the ammonia inlet 3.

The top end of the liquid discharge pipe 14 is fixedly connected to the partition board 4, the liquid seal pipe 17 is inserted into the conical section 1 from the liquid discharge port 16 at the bottom of the conical section 1, and the top end of the liquid seal pipe 17 is higher than the bottom end of the liquid discharge pipe 14, so that the liquid discharge pipe 14 is ensured to be inserted into liquid. The liquid seal pipe 17 is connected with the ammonia still through a pipeline, and the separated liquid flows into the ammonia still.

The wire mesh demister comprises a top plate 10, a pull rod 11, a wire mesh 12 and a bottom plate 13. Bolt holes corresponding to the pull rods 11 are uniformly distributed on the circumferences of the top plate 10 and the bottom plate 13, the wire mesh 12 is vertically arranged in a wire mesh support formed by the bottom plate 13, the pull rods 11 and the top plate 10, and the top plate 10 is arranged after the wire mesh 12 is arranged and is fixed by nuts.

The whole silk screen defroster that passes through the top installation, roof 10 rigid coupling is on roof beam 9, and roof beam 9 passes through the bolt with connecting plate 8 and links to each other, and 8 welding of connecting plate are at 2 inner walls of barrel. The connecting plate 8 and the beam 9 are provided with mutually vertical strip holes, so that the positions can be conveniently adjusted during bolt connection.

A circular through hole is formed in the bottom plate 13, the diameter of the circular through hole is larger than that of the small cylinder body 15, and the top of the small cylinder body 15 penetrates through the circular through hole of the bottom plate 13.

The utility model discloses the large granule liquid drop is detached to the ammonia through the whirlwind defogging under the centrifugal force effect. The ammonia gas passes through the wire mesh demister under the action of centrifugal force, the aggregation of small-particle liquid drops is increased, the separation effect is improved, and the liquid drops move downwards along the wire mesh 12 by means of gravity, so that the resistance is reduced. Ammonia gas passing through the wire mesh demister moves towards the ammonia gas outlet 7 under the action of centrifugal force, impacts on the seal head 6, changes the direction of the ammonia gas, flows out through the extending pipeline in the ammonia gas outlet 7, and is removed of liquid drops. And ammonia dehydration is completed through three-stage demisting, and the operation requirement of the saturator is met. The water that silk screen defroster and top striking produced discharges into bottom conic section 1 through fluid-discharge tube 14, because the liquid seal effect of liquid seal pipe 17 guarantees that fluid-discharge tube 14 drains smoothly. Finally, the liquid is discharged into the ammonia still through a liquid seal pipe 17.

The utility model discloses can effectively reduce ammonia normal water content, satisfy the ammonia water ammonia distillation technology demand.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. An ammonia dehydration device which is characterized in that: comprises an ammonia inlet, an ammonia outlet, a shell, a wire mesh demister, a liquid discharge pipe and a liquid seal pipe; the shell comprises an end enclosure, a barrel, a conical section and a partition plate, the end enclosure is fixedly connected to the top of the barrel, the conical section is fixedly connected to the bottom of the barrel, and the partition plate is fixedly connected in the barrel; the ammonia inlet is tangent to the cylinder, and the ammonia outlet is fixedly connected to the top of the seal head; the screen demister is fixedly connected in the shell, is positioned above the partition plate and is positioned between the ammonia inlet and the ammonia outlet; the top end of the liquid discharge pipe is fixedly connected to the partition board, the liquid seal pipe is inserted into the conical section from the bottom of the conical section, and the top end of the liquid seal pipe is higher than the bottom end of the liquid discharge pipe.

2. The ammonia dehydration device of claim 1, characterized in that: the ammonia outlet extends into the end enclosure.

3. The ammonia dehydration device of claim 1, characterized in that: still include little barrel, little barrel rigid coupling is on the baffle, and the baffle is stretched out at little barrel top, and little barrel bottom is less than the bottom of ammonia entry body.

4. The ammonia dehydration apparatus of claim 1, characterized in that: the wire mesh demister comprises a top plate, a pull rod, a wire mesh and a bottom plate; the silk screen passes through the pull rod rigid coupling between roof and bottom plate, and the roof rigid coupling is on the roof beam, and the roof beam links to each other with the connecting plate, and the connecting plate rigid coupling is at the barrel inner wall.

5. The ammonia dehydration device of claim 4, characterized in that: the top plate and the bottom plate are provided with holes corresponding to the pull rods.

6. The ammonia dehydration device of claim 4, characterized in that: the beam is connected with the connecting plate through a bolt, and the connecting plate and the beam are provided with strip holes which are vertical to each other.

7. The ammonia dehydration apparatus of claim 1, characterized in that: the liquid seal pipe is connected with the ammonia still through a pipeline.