CN211659295U

CN211659295U - Methanol rectifying tower

Info

Publication number: CN211659295U
Application number: CN202020152833.0U
Authority: CN
Inventors: 杨玥; 杨江; 朱准备
Original assignee: Tianjin Shuncheng Chemical Co ltd
Current assignee: Tianjin Shuncheng Chemical Co ltd
Priority date: 2020-02-05
Filing date: 2020-02-05
Publication date: 2020-10-13
Anticipated expiration: 2030-02-05

Abstract

The utility model relates to the field of chemical equipment, in particular to a methanol rectifying tower, which comprises a tower body, wherein the tower body comprises a first barrel body, the first barrel body is connected with a second barrel body through bolts, the second barrel body is connected with a first distribution layer through bolts, the first distribution layer is connected with a third barrel body through bolts, the third barrel body is connected with a second distribution layer through bolts, and the second distribution layer is connected with a fourth barrel body through bolts; a liquid distributor, a first packing layer and a first gas distributor are sequentially arranged in the first distribution layer from top to bottom; liquid distributor includes distribution disc and distribution net, distribution net fixed connection in distribution disc's lower extreme, the utility model discloses can dismantle the equipment as required with each part in the tower body, the second distribution layer is equipped with a plurality ofly, can use a plurality of second distribution layer stacks, and the cost is lower, and the equipment is convenient, the utility model has the advantages of convenient operation, operational environment adaptability are stronger, safe in utilization, high-efficient convenient, more adapt to user's needs.

Description

Methanol rectifying tower

Technical Field

The utility model relates to a chemical industry equipment field, concretely relates to methyl alcohol rectifying column.

Background

Methanol is an important chemical product, in the production process of methanol, distillation residual liquid which is discharged from the bottom of a rectifying tower and has the yield of methanol of more than 20 percent is generally called methanol wastewater, if the methanol wastewater is directly discharged into a water body, serious pollution and damage to the environment can be caused, a common methanol treatment method is a vaporization method, the vaporization method uses a common waste heat boiler in production as a heat source according to the physical characteristic of low boiling point of alcohol substances, low boiling point organic matters in the wastewater are vaporized and then are input into a gas making furnace for manufacturing raw material gas, and the dual purposes of treating the wastewater and recovering the raw materials are achieved.

The methanol rectifying tower is used in the process, and the traditional methanol rectifying tower has the defects of less distribution points, uneven liquid dispersion, lower rectifying efficiency and lower recovery rate.

Disclosure of Invention

The to-be-solved problem of the utility model is to provide a methanol rectifying tower that simple structure, distribution effect are better, and rectification efficiency is higher.

In order to solve the technical problem, the utility model discloses a technical scheme is: a methanol rectifying tower comprises a tower body, wherein the tower body comprises a first barrel body, the first barrel body is in bolted connection with a second barrel body, the second barrel body is in bolted connection with a first distribution layer, the first distribution layer is in bolted connection with a third barrel body, the third barrel body is in bolted connection with a second distribution layer, and the second distribution layer is in bolted connection with a fourth barrel body;

a liquid distributor, a first packing layer and a first gas distributor are sequentially arranged in the first distribution layer from top to bottom;

the liquid distributor comprises a distribution disc and a distribution net, and the distribution net is fixedly connected to the lower end of the distribution disc.

Further, the distribution disk is an upper convex disk, the distribution disk is provided with transverse and longitudinal distribution grooves, and distribution holes are formed in the distribution grooves.

Furthermore, an end enclosure is arranged in the first cylinder, and a liquid discharge pipe and a sewage discharge pipe are fixedly connected with the end enclosure.

Further, the blow off pipe fixedly connected with prevents the vortex baffle, prevent the vortex baffle with the head can be dismantled and be connected.

Further, bolted connection has the filter between first barrel and the second barrel, be equipped with the filter layer in the filter.

Further, be equipped with the intake pipe in the second barrel, be equipped with the inlet pipe in the third barrel, the intake pipe with the inlet pipe all is equipped with the shower nozzle.

Furthermore, the second distribution layer is provided with a second gas distributor and a second packing layer, and the second gas distributor is arranged at the lower end of the second packing layer.

Furthermore, the first packing layer and the second packing layer are both made of metal wire mesh corrugated packing.

Further, the first gas distributor and the second gas distributor both adopt a fluted disc type gas distributor.

Furthermore, the top end of the fourth barrel is provided with an air outlet pipe, one side of the air outlet pipe is provided with a temperature measuring pipe, and the other side of the air outlet pipe is provided with a pressure measuring pipe.

Compared with the prior art, the utility model has the advantages and positive effect be:

the utility model provides a pair of methanol rectifying tower, through the setting of first barrel, second barrel, first distribution layer, third barrel, second distribution layer and fourth barrel, can dismantle the equipment as required with each part in the tower, be convenient for set up according to particular case, the second distribution layer is equipped with a plurality ofly, if gas flow is great in the rectifying tower, can use a plurality of second distribution layers stack, and the cost is lower, and the equipment is convenient the utility model has the advantages of convenient operation, operational environment adaptability are stronger, and is safe in utilization, high-efficient convenient, more adapts to user's needs.

The utility model provides a pair of methanol rectification tower, through the liquid distributor, first gas distributor and first packing layer, the setting of distribution dish and distribution net, it is even to make the distribution of waste liquid raw materials, first gas distributor can disperse the feed gas from bottom to top, carry out the intensive mixing in waste liquid raw materials and the feed gas gets into first packing layer afterwards, make the alcohols material of low boiling in the waste liquid raw materials, utilize hotter feed gas to heat up the vaporization, the feed gas rises with the alcohols material of vaporization jointly, reach the dual purpose of handling waste water and retrieving the raw materials the utility model has the advantages of convenient operation, operational environment adaptability are stronger, safe in utilization, high-efficient convenient, more adapt to user's needs.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is a top view of the liquid distributor of the present invention;

fig. 4 is a front view of the liquid distributor of the present invention.

In the figure: the device comprises a first barrel body-1, a second barrel body-2, a first distribution layer-3, a third barrel body-4, a second distribution layer-5, a fourth barrel body-6, a liquid distributor-7, a first packing layer-8, a first gas distributor-9, a distribution disc-10, a distribution net-11, a distribution groove-12, a distribution hole-13, a seal head-14, a liquid discharge pipe-15, a sewage discharge pipe-16, an anti-vortex baffle-17, a filter plate-18, a filter layer-19, an air inlet pipe-20, a feed pipe-21, a spray head-22, a second gas distributor-23, a second packing layer-24, an air outlet pipe-25, a temperature measuring pipe-26 and a pressure measuring pipe-27.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1-4, a methanol rectifying tower comprises a tower body, wherein the tower body comprises a first barrel body 1, the first barrel body 1 is in bolted connection with a second barrel body 2, the second barrel body 2 is in bolted connection with a first distribution layer 3, the first distribution layer 3 is in bolted connection with a third barrel body 4, the third barrel body 4 is in bolted connection with a second distribution layer 5, the second distribution layer 5 is in bolted connection with a fourth barrel body 6, and through the bolted connection, all parts in the tower body can be disassembled and assembled as required, so that the arrangement can be conveniently carried out according to specific conditions, a plurality of second distribution layers 5 are arranged, and if the gas flow in the rectifying tower is large, a plurality of second distribution layers 5 can be overlapped for use;

a liquid distributor 7, a first packing layer 8 and a first gas distributor 9 are sequentially arranged in the first distributing layer 3 from top to bottom, the liquid distributor 7 can enable waste liquid raw materials to be uniformly distributed, the first gas distributor 9 can disperse raw material gases from bottom to top, then the waste liquid raw materials and the raw material gases enter the first packing layer 8 to be fully mixed, alcohol substances with low boiling points in the waste liquid raw materials are heated and vaporized by utilizing the hotter raw material gases, the raw material gases and the vaporized alcohol substances rise together, are mixed again by the second distributing layer 5 and are discharged and collected by the fourth barrel 6, and the dual purposes of treating waste water and recycling the raw materials are achieved;

liquid distributor 7 includes distribution disc 10 and distribution net 11, 11 fixed connection in distribution disc 10's lower extreme of distribution net, distribution disc 10 is last protruding shape dish, distribution disc 10 is equipped with horizontal and fore-and-aft distribution groove 12, be equipped with distribution hole 13 in the distribution groove 12, the waste liquid raw materials is spouted down to liquid distributor 7 by the upper end, because distribution disc 10 is last protruding shape, the waste liquid raw materials can be along distribution groove 12 by the middle part of distribution disc 10 to disperse all around, and flow down through distribution hole 13, distribute once more in the less distribution net 11 in lower extreme aperture, thereby make mixing with the feed gas in dripping into first packing layer 8 that the waste liquid raw materials can be even.

Be equipped with head 14 in the first barrel 1, 14 fixedly connected with fluid-discharge tube 15 of head and blow off

pipe

16, 16 fixedly connected with anti-vortex baffle 17 of blow off pipe, anti-vortex baffle 17 can be dismantled with head 14 and be connected, blow off pipe 16 sets up in the bottom of head 14, can discharge the solid-state waste in the waste liquid raw materials by the rectifying column, and the setting of anti-vortex baffle 17, can effectively avoid appearing the vortex in the head 14, prevent that solid-state waste from being discharged by fluid-discharge tube 15 along the vortex.

Bolted connection has filter 18 between first barrel 1 and the second barrel 2, is equipped with filter layer 19 in the filter 18, and 19 filter layers set up to present filtration modes such as gauze filtration, active carbon layer filtration, filter pulp filtration, can filter the solid-state waste in the waste liquid raw materials through setting up of filter 18 and filter layer 19, put and prevent that solid-state waste from blockking up drain pipe 15.

Be equipped with intake pipe 20 in the second barrel 2, be equipped with inlet pipe 21 in the third barrel 4, intake pipe 20 all is equipped with shower nozzle 22 with inlet pipe 21, and the setting of shower nozzle 22 can spout feed gas and waste liquid raw materials to can accelerate dispersion speed, thereby improve rectification efficiency.

Second distribution layer 5 is equipped with second gas distributor 23 and second packing layer 24, and second gas distributor 23 locates second packing layer 24 lower extreme, and first packing layer 8 and second packing layer 24 all adopt wire mesh ripple to pack, and first gas distributor 9 and second gas distributor 23 all adopt fluted disc formula gas phase distributor, can slow down the velocity of flow of gas in the rectifying column, and can go on further mixing to gas.

6 tops of fourth barrel are equipped with outlet duct 25, and outlet duct 25 one side is equipped with temperature tube 26, and the opposite side is equipped with pressure-measuring pipe 27, can place temperature sensor in the temperature tube 26 to survey rectifying column exhaust gas's temperature, can place pressure sensor in the pressure-measuring pipe 27, thereby survey the atmospheric pressure on rectifying column top, thereby judge exhaust gas's flow and yield.

The working process of the utility model is as follows:

when the device is used, a waste liquid raw material is sprayed into the liquid distributor 7 from top to bottom through the spray nozzle 22 by the feeding pipe 21, the waste liquid raw material can be dispersed from the middle part of the distribution disc 10 to the periphery along the distribution groove 12 due to the upward convex shape of the distribution disc 10, and flows down through the distribution holes 13 and is redistributed in the distribution net 11 with smaller aperture at the lower end, the raw material gas is sprayed out from bottom to top through the spray nozzle 22 by the air inlet pipe 20, the raw material gas from bottom to top can be dispersed by the first gas distributor 9, then the waste liquid raw material and the raw material gas enter the first packing layer to be fully mixed, so that alcohol substances with low boiling point in the waste liquid raw material are heated and vaporized by the hotter raw material gas, the raw material gas and the vaporized alcohol substances rise together, are mixed again by the second distribution layer 5, and; liquid and solid state material downward flow, can filter the solid waste in the waste liquid raw materials through setting up of filter 18 and filter layer 19, remaining solid waste can deposit to the bottom of head 14, discharge by the rectifying column through blow off pipe 16, the waste liquid after the rectification can discharge through fluid-discharge tube 15 and collect, and prevent the setting of vortex baffle 17, can effectively avoid appearing the vortex in the head 14, prevent that solid waste from being discharged by fluid-discharge tube 15 along the vortex.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a methyl alcohol rectifying column, includes the tower body, the tower body includes first barrel (1), its characterized in that: the first cylinder (1) is in bolted connection with a second cylinder (2), the second cylinder (2) is in bolted connection with a first distribution layer (3), the first distribution layer (3) is in bolted connection with a third cylinder (4), the third cylinder (4) is in bolted connection with a second distribution layer (5), and the second distribution layer (5) is in bolted connection with a fourth cylinder (6);

a liquid distributor (7), a first packing layer (8) and a first gas distributor (9) are sequentially arranged in the first distribution layer (3) from top to bottom;

the liquid distributor (7) comprises a distribution disc (10) and a distribution net (11), wherein the distribution net (11) is fixedly connected to the lower end of the distribution disc (10).

2. A methanol rectification column as claimed in claim 1, characterized in that: the distribution disc (10) is an upper convex disc, the distribution disc (10) is provided with a transverse distribution groove (12) and a longitudinal distribution groove, and distribution holes (13) are formed in the distribution groove (12).

3. A methanol rectification column as claimed in claim 1, characterized in that: an end enclosure (14) is arranged in the first barrel (1), and the end enclosure (14) is fixedly connected with a liquid discharge pipe (15) and a sewage discharge pipe (16).

4. A methanol rectification column as claimed in claim 3, characterized in that: the sewage draining pipe (16) is fixedly connected with an anti-vortex baffle (17), and the anti-vortex baffle (17) is detachably connected with the seal head (14).

5. A methanol rectification column as claimed in claim 1, characterized in that: a filter plate (18) is connected between the first cylinder (1) and the second cylinder (2) through bolts, and a filter layer (19) is arranged in the filter plate (18).

6. A methanol rectification column as claimed in claim 1, characterized in that: be equipped with intake pipe (20) in second barrel (2), be equipped with inlet pipe (21) in third barrel (4), intake pipe (20) with inlet pipe (21) all are equipped with shower nozzle (22).

7. A methanol rectification column as claimed in claim 1, characterized in that: the second distribution layer (5) is provided with a second gas distributor (23) and a second packing layer (24), and the second gas distributor (23) is arranged at the lower end of the second packing layer (24).

8. A methanol rectification column as claimed in claim 7, characterized in that: the first packing layer (8) and the second packing layer (24) both adopt metal wire mesh corrugated packing.

9. A methanol rectification column as claimed in claim 7, characterized in that: the first gas distributor (9) and the second gas distributor (23) both adopt a fluted disc type gas phase distributor.

10. A methanol rectification column as claimed in claim 1, characterized in that: an air outlet pipe (25) is arranged at the top end of the fourth barrel (6), a temperature measuring pipe (26) is arranged on one side of the air outlet pipe (25), and a pressure measuring pipe (27) is arranged on the other side of the air outlet pipe.