CN211635238U - Pre-concentration tower - Google Patents

Abstract

The utility model provides a pre-concentration tower, it makes arranging of heat exchanger reliable effective, ensures that gas-liquid separation is high-efficient, and has reduced the cost of manufacture of whole equipment. The heat exchanger comprises a barrel, wherein an elliptical upper end socket is fixedly connected to the top of the barrel, an elliptical lower end socket is fixedly connected to the bottom of the barrel, a packed bed is arranged on the upper portion of the barrel, a space area of the packed bed is filled with a filler, a reboiler liquid collecting box is arranged on the lower portion of the barrel, a liquid inlet is formed in one side position, corresponding to the barrel wall of the barrel, of the reboiler liquid collecting box, the reboiler liquid collecting box comprises a bottom transverse plate, a first longitudinal partition plate, a plurality of heat exchangers, a liquid inlet, a second partition longitudinal plate assembly and a third longitudinal partition plate, one end of the bottom transverse plate extends to the corresponding position below the liquid inlet, the first longitudinal partition plate blocks the corresponding height position of the liquid inlet, and the other end of the bottom transverse plate is.

Description

Pre-concentration tower

Technical Field

The utility model relates to a technical field of liquid concentration equipment specifically is a pre-concentration tower.

Background

Part of gas is left in the prepared liquid medium, and the residual gas is required to be discharged in order to improve the concentration of the liquid medium, so that the residual gas is required to be discharged by a pre-concentration tower and then the subsequent operation is carried out; the existing pre-concentration tower heats the liquid medium passing through the liquid accumulation box after passing through the whole row of heat exchangers, so that gas-liquid separation is accelerated, and when the pre-concentration tower is actually used, the liquid medium and the heat exchangers can be fully heated only by arranging a long row of heat exchangers, so that the manufacturing cost of the whole equipment is high, and the gas-liquid separation effect is general.

Disclosure of Invention

To the problem, the utility model provides a concentrate tower in advance, it makes arranging of heat exchanger reliable effective, ensures that gas-liquid separation is high-efficient, and has reduced the cost of manufacture of whole equipment.

A pre-concentration column, characterized in that: the heat exchanger comprises a barrel, wherein an elliptical upper end socket is fixedly connected to the top of the barrel, an elliptical lower end socket is fixedly connected to the bottom of the barrel, a packed bed is arranged on the upper portion of the barrel, packing is filled in a space area of the packed bed, a reboiler liquid collecting tank is arranged on the lower portion of the barrel, a liquid inlet is formed in one side position, corresponding to the barrel wall of the barrel, of the reboiler liquid collecting tank, the reboiler liquid collecting tank comprises a bottom transverse plate, a first longitudinal partition plate, a plurality of heat exchangers, a liquid inlet, a second partition longitudinal plate assembly and a third longitudinal partition plate, one end of the bottom transverse plate extends to the corresponding position below the liquid inlet, the first longitudinal partition plate blocks the corresponding height position of the liquid inlet, the other end of the bottom transverse plate is provided with an upward convex third longitudinal partition plate, the bottom transverse plate separates the space of the reboiler liquid collecting tank and the space below the reboiler liquid collecting tank, and the heat exchangers are arranged in The plurality of heat exchangers are separated by a second separating longitudinal plate component to form two independent heat exchange cavities, specifically a first heat exchange cavity and a second heat exchange cavity, the second separating longitudinal plate component specifically comprises a first upper limiting baffle plate and a second lower limiting baffle plate, the bottom of the first upper limiting clapboard is fixedly connected with the bottom transverse plate, the two ends of the second lower limiting clapboard in the length direction are respectively and fixedly connected with the corresponding inner wall of the cylinder body, a communicating gap is reserved between the bottom of the second lower limiting clapboard and the bottom transverse plate, the top of the second lower limiting clapboard is higher than the top of the first upper limiting clapboard, the first upper limiting clapboard is positioned at the boundary position of the first heat exchange cavity, the second lower limiting clapboard is positioned at the boundary position of the second heat exchange cavity, a transition cavity is formed between the first upper limiting partition plate and the second lower limiting partition plate, and an inflow gap is reserved between the bottom of the first longitudinal partition plate and the bottom transverse plate; the outer side overflow cavity of the third longitudinal partition plate is communicated with the inner cavity of the elliptical lower end socket, the bottom center position of the elliptical lower end socket is connected with a liquid phase outlet pipe, the top center position of the elliptical upper end socket is provided with a vent and a vent, the outer rings of the vent and the vent correspond to positions and are at least provided with one gas phase outlet, and each gas phase outlet is provided with a gas phase outlet pipe.

It is further characterized in that: the tube body specifically comprises an upper tube section and a lower tube section, the upper tube section and the lower tube section are fixedly connected to form the tube body, a packed bed is arranged in the upper tube section, the packed bed is supported on a packed bed support, a packing limiter is further arranged at the top of the packed bed, and a liquid collection box of a reboiler is arranged in an inner cavity of the lower tube section; a packed bed and a reboiler liquid collecting box are respectively arranged in the upper shell ring and the lower shell ring, so that the whole structure is convenient and quick to assemble;

the liquid inlet of the reboiler liquid collecting tank is higher than the heat exchanger;

the bottom of the bottom transverse plate is supported on the corresponding inner wall of the lower shell ring through an I-shaped beam, so that the structure is stable and reliable;

the four heat exchangers are arranged in an area of the bottom transverse plate corresponding to the first longitudinal partition plate to the third longitudinal partition plate, two heat exchangers are arranged in the first heat exchange cavity, two heat exchangers are arranged in the second heat exchange cavity, and each heat exchanger is supported at a corresponding position of the bottom transverse plate through brackets at two sides;

small-diameter drain holes are formed in the bottoms of the first upper limiting partition plate and the third longitudinal partition plate, so that liquid is drained when the first upper limiting partition plate and the third longitudinal partition plate do not work subsequently;

the elliptical lower end socket is supported on the skirt, the height of the skirt ensures the normal use of the whole structure, and the skirt is supported on the ground through the ground plate;

the outer wall of the side part of the upper shell ring is provided with a connecting piece, and the connecting piece is connected to the bottom of the hanging column, so that the whole structure is convenient to hoist;

a first manhole is arranged on the side wall of the cavity between the upper part of the packed bed and the elliptical upper end socket, a second manhole is arranged on the side wall of the cavity between the lower part of the packed bed and the lower shell ring, and a third manhole is arranged on the lower part of the bottom transverse plate corresponding to the side wall of the lower shell ring, so that the monitoring of the equipment operation is ensured;

the side wall, which is higher than the third longitudinal partition plate and is far away from the feed inlet, is provided with a temperature detection port, the temperature detection port is respectively connected with four thermometers through connecting wires, and each thermometer is correspondingly arranged in the area of the corresponding heat exchanger so as to monitor the operating temperature in the equipment at any time.

After the technical scheme is adopted, the manufactured liquid medium enters a liquid inlet cavity formed by a first longitudinal partition plate and a bottom transverse plate through a liquid inlet, then sequentially passes through heat exchangers corresponding to the first heat exchange cavity and a second heat exchange cavity, due to the existence of the first longitudinal partition plate, a second partition longitudinal plate assembly and a third longitudinal partition plate, concentration is carried out through a plurality of heat exchangers, the separated medium components and the gas-phase components are further separated through a packed bed, the gas-phase light components are discharged from a gas-phase outlet at the upper part, the heavy components fall into a lower liquid accumulating box to continuously participate in gas-liquid separation, and the liquid-phase components overflow through the third longitudinal partition plate and flow out from a liquid-phase outlet pipe connected to the center position of the bottom of the lower elliptical lower end enclosure; the heat exchanger is reliable and effective in arrangement, high efficiency of gas-liquid separation is ensured, and the manufacturing cost of the whole equipment is reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an assembly diagram of the cylinder, the elliptical upper head and the elliptical lower head of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the heat exchanger comprises a cylinder body 1, an upper cylinder section 101, a lower cylinder section 102, an elliptical upper head 2, an elliptical lower head 3, a packed bed 4, a packing 5, a reboiler liquid collecting tank 6, a liquid inlet 7, a bottom transverse plate 8, a first longitudinal partition plate 9, a heat exchanger 10, a third longitudinal partition plate 11, a first heat exchange cavity 12, a second heat exchange cavity 13, a first upper limiting partition plate 14, a second lower limiting partition plate 15, a communication notch 16, a transition cavity 17, an inflow notch 18, an overflow cavity 19, a liquid phase outlet pipe 20, a vent and vent 21, a gas phase outlet 22, a gas phase outlet pipe 23, a packed bed support 24, a packing limiter 25, an I-shaped beam 26, a side bracket 27, a small-diameter exhaust hole 28, a skirt 29, a ground plate 30, a connecting piece 31, a suspension column 32, a first manhole 33, a second manhole 34, a third manhole 35 and a temperature detection port 36.

Detailed Description

A pre-concentration tower, as shown in fig. 1 and fig. 2: the heat exchanger comprises a barrel body 1, an elliptical upper end enclosure 2 is fixedly connected to the top of the barrel body 1, an elliptical lower end enclosure 3 is fixedly connected to the bottom of the barrel body 1, a packed bed 4 is arranged on the upper portion of the barrel body 1, packing 5 is filled in a space area of the packed bed 4, a reboiler liquid collecting tank 6 is arranged on the lower portion of the barrel body 1, a liquid inlet 7 is arranged in one side position, corresponding to the barrel wall of the barrel body 1, of the reboiler liquid collecting tank 6, the reboiler liquid collecting tank 6 comprises a bottom transverse plate 8, a first longitudinal partition plate 9, a plurality of heat exchangers 10, a liquid inlet 7, a second partition longitudinal plate assembly and a third longitudinal partition plate 11, one end of the bottom transverse plate 8 extends to the corresponding position below the liquid inlet 7, the first longitudinal partition plate 9 blocks the corresponding height position of the liquid inlet, the other end of the bottom transverse plate 8 is provided with an upward convex third longitudinal partition plate 11, the bottom transverse plate 11 separates the reboiler liquid collecting tank 6 from the space The heat exchangers 10 are arranged in an array manner, the heat exchangers 10 are separated by a second longitudinal separating plate assembly to form two independent heat exchange cavities, specifically a first heat exchange cavity 12 and a second heat exchange cavity 13, the second longitudinal separating plate assembly specifically comprises a first upper limiting baffle plate 14 and a second lower limiting baffle plate 15, the bottom of the first upper limiting baffle plate 14 is fixedly connected with a bottom transverse plate 8, the two ends of the second lower limiting baffle plate 15 in the length direction are respectively fixedly connected with the corresponding inner wall of the cylinder body 1 for arrangement, a communication gap 16 is left between the bottom of the second lower limiting baffle plate 15 and the bottom transverse plate 8, the top of the second lower limiting baffle plate 15 is higher than the top of the first upper limiting baffle plate 14, the first upper limiting baffle plate 14 is positioned at the boundary position of the first heat exchange cavity 12, the second lower limiting baffle plate 15 is positioned at the boundary position of the second heat exchange cavity 13, a transition cavity 17 is formed between the first upper limiting baffle plate 14 and the second lower limiting baffle plate 15, an inflow gap 18 is reserved between the bottom of the first longitudinal partition plate 9 and the bottom transverse plate 8; an outer overflow cavity 19 of the third longitudinal partition 11 is communicated with an inner cavity of the elliptical lower end enclosure 3, a liquid phase outlet pipe 20 is connected to the bottom center position of the elliptical lower end enclosure 3, a vent and a vent 21 are arranged at the top center position of the elliptical upper end enclosure 2, at least one gas phase outlet 22 is arranged at the outer ring corresponding position of the vent and the vent 21, and a gas phase outlet pipe 23 is arranged on each gas phase outlet 22.

In the specific embodiment: two gas phase outlets 22 are arranged at the positions corresponding to the outer rings of the vent and the vent 21;

the cylinder body 1 specifically comprises an upper cylinder section 101 and a lower cylinder section 102, the upper cylinder section 101 and the lower cylinder section 102 are fixedly connected to form the cylinder body 1, a packed bed 4 is arranged in the upper cylinder section 101, the packed bed 4 is supported on a packed bed support 24, a packing stopper 25 is further arranged at the top of the packed bed 4, and a reboiler liquid collection box 6 is arranged in an inner cavity of the lower cylinder section 102; the packed bed 4 and the reboiler liquid collecting tank 6 are respectively arranged in the upper cylinder section 101 and the lower cylinder section 102, so that the whole structure is convenient and quick to assemble;

the liquid inlet 7 of the reboiler liquid collecting tank 6 is higher than the heat exchanger 10;

the bottom of the bottom transverse plate 8 is supported on the corresponding inner wall of the lower cylindrical section 102 through the I-beam 26, so that the structure is stable and reliable;

the four heat exchangers 10 are arranged in the corresponding areas of the bottom transverse plates 8 of the first longitudinal partition plate 9 to the third longitudinal partition plate 11, two heat exchangers 10 are arranged in the first heat exchange cavity 12, two heat exchangers 10 are arranged in the second heat exchange cavity 13, and each heat exchanger 10 is supported at the corresponding position of the bottom transverse plate 8 through the brackets 27 at two sides;

the bottoms of the first upper limiting partition plate 14 and the third longitudinal partition plate 11 are provided with small-diameter drain holes 28, so that liquid is drained when the subsequent work is not carried out;

the elliptical lower seal head 3 is supported on a skirt 29, the height of the skirt 29 ensures the normal use of the whole structure, and the skirt 29 is supported on the ground through a grounding plate 30;

the outer wall of the side part of the upper shell ring 101 is provided with a connecting piece 31, and the connecting piece 31 is connected with the bottom of a hanging column 32, so that the whole structure is convenient to hoist;

a first manhole 33 is arranged on the side wall of the cavity between the upper part of the packed bed 4 and the elliptical upper end socket 3, a second manhole 34 is arranged on the side wall of the cavity between the lower part of the packed bed 4 and the lower cylinder section 102, and a third manhole 35 is arranged on the lower part of the bottom transverse plate 8 corresponding to the side wall of the lower cylinder section 102, so that the monitoring of the equipment operation is ensured;

and a temperature detection port 36 is arranged on the side wall, which is higher than the third longitudinal partition 11 and is far away from the feed port 7, the temperature detection port 36 is respectively connected with four thermometers through connecting wires, and each thermometer is correspondingly arranged in the corresponding area of the heat exchanger 10 so as to monitor the operating temperature in the equipment at any time.

The working principle is as follows: the liquid medium after being manufactured enters a liquid inlet cavity formed by a first longitudinal partition plate and a bottom transverse plate through a liquid inlet, then sequentially passes through heat exchangers corresponding to the first heat exchange cavity and a second heat exchange cavity, due to the existence of the first longitudinal partition plate, a second partition longitudinal plate assembly and a third longitudinal partition plate, concentration is carried out through a plurality of heat exchangers, the separated medium components are further separated through a packed bed, the gas phase light components are discharged from a gas phase outlet at the upper part, the heavy components fall into a lower liquid accumulating tank to continuously participate in gas-liquid separation, and the liquid phase components overflow through the third longitudinal partition plate and flow out from a liquid phase outlet pipe connected to the center position of the bottom of the lower elliptic lower end socket; the heat exchanger is reliable and effective in arrangement, high efficiency of gas-liquid separation is ensured, and the manufacturing cost of the whole equipment is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A pre-concentration column, characterized in that: the heat exchanger comprises a barrel, wherein an elliptical upper end socket is fixedly connected to the top of the barrel, an elliptical lower end socket is fixedly connected to the bottom of the barrel, a packed bed is arranged on the upper portion of the barrel, packing is filled in a space area of the packed bed, a reboiler liquid collecting tank is arranged on the lower portion of the barrel, a liquid inlet is formed in one side position, corresponding to the barrel wall of the barrel, of the reboiler liquid collecting tank, the reboiler liquid collecting tank comprises a bottom transverse plate, a first longitudinal partition plate, a plurality of heat exchangers, a liquid inlet, a second partition longitudinal plate assembly and a third longitudinal partition plate, one end of the bottom transverse plate extends to the corresponding position below the liquid inlet, the first longitudinal partition plate blocks the corresponding height position of the liquid inlet, the other end of the bottom transverse plate is provided with an upward convex third longitudinal partition plate, the bottom transverse plate separates the space of the reboiler liquid collecting tank and the space below the reboiler liquid collecting tank, and the heat exchangers are arranged in The plurality of heat exchangers are separated by a second separating longitudinal plate component to form two independent heat exchange cavities, specifically a first heat exchange cavity and a second heat exchange cavity, the second separating longitudinal plate component specifically comprises a first upper limiting baffle plate and a second lower limiting baffle plate, the bottom of the first upper limiting clapboard is fixedly connected with the bottom transverse plate, the two ends of the second lower limiting clapboard in the length direction are respectively and fixedly connected with the corresponding inner wall of the cylinder body, a communicating gap is reserved between the bottom of the second lower limiting clapboard and the bottom transverse plate, the top of the second lower limiting clapboard is higher than the top of the first upper limiting clapboard, the first upper limiting clapboard is positioned at the boundary position of the first heat exchange cavity, the second lower limiting clapboard is positioned at the boundary position of the second heat exchange cavity, a transition cavity is formed between the first upper limiting partition plate and the second lower limiting partition plate, and an inflow gap is reserved between the bottom of the first longitudinal partition plate and the bottom transverse plate; the outer side overflow cavity of the third longitudinal partition plate is communicated with the inner cavity of the elliptical lower end socket, the bottom center position of the elliptical lower end socket is connected with a liquid phase outlet pipe, the top center position of the elliptical upper end socket is provided with a vent and a vent, the outer rings of the vent and the vent correspond to positions and are at least provided with one gas phase outlet, and each gas phase outlet is provided with a gas phase outlet pipe.

2. A pre-concentration column as claimed in claim 1, wherein: the cylinder body specifically comprises an upper cylinder section and a lower cylinder section, the upper cylinder section and the lower cylinder section are fixedly connected to form the cylinder body, a packed bed is arranged in the upper cylinder section and supported on the packed bed, a packing limiter is further arranged at the top of the packed bed, and a liquid collection box of a reboiler is arranged in an inner cavity of the lower cylinder section.

3. A pre-concentration column as claimed in claim 2, wherein: the liquid inlet of the reboiler liquid collecting tank is higher than the height of the heat exchanger.

4. A pre-concentration column as claimed in claim 2, wherein: the bottom of the bottom transverse plate is supported on the corresponding inner wall of the lower shell ring through an I-shaped beam.

5. A pre-concentration column as claimed in claim 2, wherein: the four heat exchangers are arranged in the area of the bottom transverse plate corresponding to the first longitudinal partition plate to the third longitudinal partition plate, two heat exchangers are arranged in the first heat exchange cavity, two heat exchangers are arranged in the second heat exchange cavity, and each heat exchanger is supported at the corresponding position of the bottom transverse plate through two side supports.

6. A pre-concentration column as claimed in claim 1, wherein: and the bottoms of the first upper limiting partition plate and the third longitudinal partition plate are provided with small-diameter discharge holes.

7. A pre-concentration column as claimed in claim 1, wherein: the elliptical lower seal head is supported on the skirt, and the skirt is supported on the ground through the ground plate.

8. A pre-concentration column as claimed in claim 2, wherein: and a connecting piece is arranged on the outer wall of the side part of the upper shell ring and connected to the bottom of the hanging column.

9. A pre-concentration column as claimed in claim 2, wherein: the upper portion of the packed bed and the side wall of the barrel body of the cavity between the oval upper end sockets are provided with first manholes, the lower portion of the packed bed and the side wall of the barrel body of the cavity between the lower shell sections are provided with second manholes, and the lower portion of the bottom transverse plate corresponds to the third manholes formed in the side wall of the lower shell sections.

10. A pre-concentration column according to claim 5, wherein: and a temperature detection port is arranged on the side wall, which is higher than the third longitudinal partition plate and is far away from the feed inlet, the temperature detection ports are respectively connected with four thermometers through connecting wires, and each thermometer is correspondingly arranged in the corresponding heat exchanger area.

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