CN219244400U - High-efficient precooler structure - Google Patents

Abstract

The utility model discloses a high-efficiency precooler structure, which is characterized by further comprising a cooling uniform structure which is arranged in a cylinder body and used for increasing the cooling uniformity of a precooling coil pipe so as to prolong the service life; the cooling uniform structure comprises flange connecting pipes which are arranged on two sides of the cylinder body and used for increasing the liquid level of cooling water entering and exiting, the flange connecting pipes are arranged on the upper sides of two ends of the cylinder body, and the lowest positions of the flange connecting pipes are higher than the highest positions of the precooling coils in the cylinder body. Through the arrangement of the cooling uniform structure, firstly, the liquid level of cooling water in the cylinder body is increased, so that the cooling water can fully cover the precooling coil pipe in the cylinder body, the cooling uniformity of the precooling coil pipe is improved, and the precooling effect is improved; secondly, the impact on the pre-cooling coil pipe caused by the cooling water entering the cylinder body is reduced, so that the service life of the pre-cooling coil pipe is prolonged.

Description

High-efficient precooler structure

Technical Field

The utility model relates to a precooler, in particular to a high-efficiency precooler structure.

Background

The water vapor concentrated sampling analysis device is suitable for water vapor concentrated sampling analysis of a steam power station and steam supply equipment, and has the main functions that a high-temperature and high-pressure water vapor sample is subjected to temperature reduction, pressure reduction and constant temperature treatment and then is detected and analyzed by an online instrument; in the prior art, in order to improve the cooling effect of a high-temperature steam sample and reduce the energy consumption required by a cooler, a precooler is usually arranged in front of the cooler, and the high-temperature steam is precooled by the precooler and then cooled by the cooler.

The precooler in the prior art basically comprises a cylinder and a cooling coil arranged in the cylinder, high-temperature steam is led into the cooling coil, and cooling water is led into the cylinder so as to precool the high-temperature steam, but the structure in the prior art has some problems, firstly, the cooling water is directly contacted with the cooling coil when entering the cylinder, and the cooling water directly impacts the cooling coil, so that the cooling coil is easy to damage; secondly, water is fed into one side of the cylinder body and discharged from the other side of the cylinder body in the prior art, so that the liquid level of cooling water is difficult to be completely higher than that of the cooling coil pipe, and therefore the cooling coil pipe is partially positioned in the cooling water, and the cooling coil pipe is partially positioned above the liquid level of the cooling water, so that the cold and heat exchange of the whole cooling coil pipe is uneven, and the service life of the cooling coil pipe is influenced by frequent cold and heat exchange when high-temperature water vapor flows along the cooling coil pipe in the cooling coil pipe. For this purpose, a high-efficiency precooler structure is proposed.

Disclosure of Invention

The utility model aims to ensure that cooling water directly contacts with the cooling coil when entering the cylinder, and the cooling water directly impacts the cooling coil, so that the cooling coil is easy to damage; secondly, water is fed into one side of the cylinder body and discharged from the other side of the cylinder body in the prior art, so that the liquid level of cooling water is difficult to be completely higher than that of the cooling coil pipe, and therefore the cooling coil pipe is partially positioned in cooling water, and the cooling coil pipe is partially positioned above the liquid level of the cooling water, so that the cold and heat exchange of the whole cooling coil pipe is uneven, and the problem that high-temperature water vapor frequently exchanges cold and heat when flowing along the cooling coil pipe in the cooling coil pipe and influences the service life of the cooling coil pipe is solved.

In order to achieve the aim, the utility model provides a high-efficiency precooler structure which comprises a barrel, a plurality of nipple pipes arranged on the barrel, a support flange arranged on the nipple pipes, a coil pipe flange arranged on the support flange and a precooling coil pipe arranged on the coil pipe flange and positioned in the barrel, wherein an upper joint and a lower joint are arranged on the precooling coil pipe; the cooling device is characterized by also comprising a cooling uniform structure which is arranged in the cylinder body and used for increasing the cooling uniformity of the precooling coil pipe so as to prolong the service life; the cooling uniform structure comprises flange connecting pipes which are arranged on two sides of the cylinder body and used for increasing the liquid level of cooling water entering and exiting, the flange connecting pipes are arranged on the upper sides of two ends of the cylinder body, and the lowest positions of the flange connecting pipes are higher than the highest positions of the precooling coils in the cylinder body.

Further preferably, the cooling uniform structure further comprises a plurality of deflectors arranged in the cylinder.

Further preferably, the bottom of the cylinder body is also provided with a drain seat, the drain seat is provided with a sealing screw plug, and a drain seat sealing gasket for improving the sealing performance is arranged between the drain seat and the sealing screw plug.

Further preferably, a cylinder seat with supporting function is also arranged at the bottom of the cylinder body.

Further preferably, the guide plates are arranged at two sides of the plurality of pre-cooling coils; the guide plate is provided with a plurality of guide holes.

Further preferably, the diversion holes are distributed on the diversion plate, and the number of the diversion holes is more and less on the central line of the diversion plate.

Further preferably, the aperture of the plurality of diversion holes on the diversion plate is smaller at the upper part and larger at the lower part by taking the central line of the diversion plate as a boundary.

Further preferably, the plurality of guide plates arranged in the cylinder body are arranged in a way of crossing with the plurality of pre-cooling coils, and the adjacent guide plates are arranged in a way of crossing up and down.

Through the arrangement of the cooling uniform structure, firstly, the liquid level of cooling water in the cylinder body is increased, the cooling water can fully cover the precooling coil pipe in the cylinder body, the cooling uniformity of the precooling coil pipe is improved, the precooling effect is improved, and meanwhile, the cold-heat exchange is more uniform, so that the service life is prolonged; secondly, the impact on the pre-cooling coil pipe when cooling water enters the cylinder body is reduced, so that the service life of the pre-cooling coil pipe is prolonged;

the flange connection pipes at the two ends of the cylinder are arranged on the upper side of the cylinder, and the lowest parts of the flange connection pipes are higher than the highest parts of the precooling coils in the cylinder, so that the liquid level of the cooling water inlet and the cooling water outlet is increased, the liquid level of the cooling water in the cylinder is increased, the lowest liquid level of the water discharged from the cylinder is limited, and the cooling uniformity of the precooling coils is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of another view of the present utility model;

FIG. 4 is a schematic structural view of embodiment 4 of the present utility model;

fig. 5 is a schematic view of another view structure of embodiment 4 of the present utility model.

Legend description: 1. a cylinder; 11. a sewage draining seat; 12. sealing the screw plug; 13. a pollution discharge seat sealing gasket; 14. a cylinder seat; 2. a nipple; 3. a support flange; 4. a coil flange; 5. precooling coil; 51. an upper joint; 52. a lower joint; 6. a cooling uniform structure; 61. a flange connecting pipe; 62. a deflector; 63. and a deflector hole.

Detailed Description

The following describes a high efficiency precooler structure according to the present utility model with reference to the accompanying drawings.

Referring to fig. 1-3, a high-efficiency precooler structure comprises a barrel 1, a plurality of nipple pipes 2 arranged on the barrel 1 through welding, a support flange 3 arranged on the nipple pipes 2 through welding, a coil flange 4 arranged on the support flange 3, and a precooling coil 5 arranged on the coil flange 4 through welding and positioned in the barrel 1, wherein an upper joint 51 and a lower joint 52 are arranged on the precooling coil 5; the cooling device is characterized by also comprising a cooling uniform structure 6 which is arranged in the cylinder body 1 and used for increasing the cooling uniformity of the pre-cooling coil 5 and prolonging the service life; the cooling uniform structure 6 comprises flange connection pipes 61 which are arranged on two sides of the cylinder 1 through welding and used for increasing the liquid level of cooling water entering and exiting, the flange connection pipes 61 are arranged on the upper sides of the two ends of the cylinder 1, and the lowest positions of the flange connection pipes 61 are higher than the highest positions of the precooling coils 5 in the cylinder 1;

through the arrangement of the cooling uniform structure 6, firstly, the liquid level of cooling water in the cylinder 1 is increased, so that the cooling water can fully cover the precooling coil 5 in the cylinder 1, the cooling uniformity of the precooling coil 5 is improved, and the precooling effect is improved; secondly, the impact on the pre-cooling coil 5 when cooling water enters the cylinder 1 is reduced, so that the service life of the pre-cooling coil 5 is prolonged;

the flange connection pipes 61 on two sides of the cylinder 1 are arranged on the upper sides of two ends of the cylinder 1, and the lowest positions of the flange connection pipes 61 are higher than the highest positions of the pre-cooling coils 5 in the cylinder 1, so that the liquid level of cooling water inlets and outlets is increased, the liquid level of cooling water in the cylinder 1 is increased, the lowest liquid level of water discharged from the cylinder 1 is limited, and the cooling uniformity of the pre-cooling coils 5 is improved.

Further, the cooling uniform structure 6 further comprises a plurality of guide plates arranged in the cylinder body 1; the guide plates 62 are arranged at two sides of the pre-cooling coils 5; the deflector 62 is provided with a plurality of deflector holes 63; through set up guide plate 62 in precooling coil 5 both sides, form through guide plate 62 to cooling water import and exit and block, avoid cooling water to directly form the impact to precooling coil 5 when getting into in the barrel 1, simultaneously through set up a plurality of water conservancy diversion holes 62 on guide plate 62, make the cooling water that gets into in barrel 1 follow a plurality of water conservancy diversion holes 62 and flow into in the barrel 1 interval that is equipped with precooling coil 5, through reducing the size of flow path and reducing the flow, the flow of department is greater than the flow of water conservancy diversion hole 62, thereby the inflow is greater than the displacement, thereby make the cooling water fill the cavity between guide plate 62 and the flange takeover 61, thereby make the cooling water get into from the water conservancy diversion hole 62 of the different high positions on the whole guide plate 62, thereby improve precooling coil 5 and cooling water contact cooling's homogeneity.

Furthermore, a drain seat 11 is also arranged at the bottom of the cylinder body 1 through welding, a sealing screw plug 12 is arranged on the drain seat 11, and a drain seat sealing gasket 13 for improving the sealing performance is arranged between the drain seat 11 and the sealing screw plug 12; by arranging the drain seat 11 at the bottom of the cylinder body 1, the sealing screw plug 12 is opened during drain, and the cooling water accumulated in the cylinder body 1 is discharged through the drain seat 12.

Further, a cylinder seat 14 with supporting function is arranged at the bottom of the cylinder body 1 through welding; by the arrangement of the cylinder seat 14, the installation of the cylinder body 1 is supported.

The utility model is used when: the flange connection pipes 61 on the two sides are connected with the water inlet pipe and the water outlet pipe; connecting an upper joint 51 and a lower joint 52 on the pre-cooling coil 5 with an inlet pipe and an outlet pipe; then a cooling water switch is opened to feed cooling water, and the cooling water enters the cylinder 1 from the flange connecting pipe 61 and flows out through the flange connecting pipe 61 at the other side after filling the cylinder 1; then the high-temperature steam switch which needs to be cooled is opened, after entering the pre-cooling coil 5, the high-temperature steam exchanges heat with the cooling water in the cylinder 1 to perform pre-cooling work, and then is discharged to enter a subsequent cooler to perform cooling work, and through the pre-cooling arrangement, the cooling effect of the subsequent cooler is improved.

The difference between this embodiment and embodiment 1 is that the number of the diversion holes 63 is less on the diversion plate 62 and is more on the line of the diversion plate 62, so that the cooling water is prevented from entering from the diversion holes 63 at the upper part directly when the cooling water enters, so that the cooling water entering from the lower part is less, and the flange connection pipes 61 are positioned at the upper parts of the two ends of the cylinder 1, so that the upper cooling water directly flows out from the upper part, but the cooling water at the lower part is not exchanged, and the cooling uniformity of the pre-cooling coil 5 is affected.

The difference between this embodiment and embodiment 1 is that the aperture of the plurality of diversion holes 63 on the diversion plate 62 is smaller at the top and larger at the bottom with the center line of the diversion plate 62 as the boundary.

Referring to fig. 4-5, the difference between the present embodiment and embodiments 1 and 2 is that the plurality of baffles 62 disposed in the cylinder 1 are disposed across the plurality of pre-cooling coils 5, and the adjacent baffles 62 are disposed up and down in a staggered manner, and no flow guide holes are disposed on the baffles 62, so that a swirl channel is formed in the cylinder 1 through the staggered baffles 62, thereby increasing the sufficient contact time between the cooling water and the pre-cooling coils 5, and improving the cold-heat exchange time, and thus improving the cooling effect.

The scope of protection of the present utility model is not limited to the above embodiments and variations thereof. Conventional modifications and substitutions by those skilled in the art based on the content of the present embodiment fall within the protection scope of the present utility model.

Claims (8)

1. The utility model provides a high-efficient precooler structure, includes barrel (1), installs a plurality of nipple (2) on barrel (1), installs support flange (3) on nipple (2), installs coil flange (4) on support flange (3) and installs on coil flange (4) and be in precooling coil pipe (5) in barrel (1), be equipped with top connection (51) and lower connection (52) on precooling coil pipe (5); the cooling device is characterized by also comprising a cooling uniform structure (6) which is arranged in the cylinder body (1) and used for increasing the cooling uniformity of the pre-cooling coil pipe (5) and prolonging the service life; the cooling uniform structure (6) comprises flange connecting pipes (61) which are arranged on two sides of the cylinder body (1) and used for increasing the liquid level of cooling water entering and exiting, the flange connecting pipes (61) are arranged on the upper sides of two ends of the cylinder body (1), and the lowest positions of the flange connecting pipes (61) are higher than the highest positions of the pre-cooling coil pipes (5) in the cylinder body (1).

2. The efficient precooler structure of claim 1 wherein: the cooling uniform structure (6) also comprises a plurality of guide plates (62) arranged in the cylinder body (1).

3. The efficient precooler structure of claim 2 wherein: the bottom of the cylinder body (1) is also provided with a drain seat (11), the drain seat (11) is provided with a sealing screw plug (12), and a drain seat sealing gasket (13) for improving the sealing performance is arranged between the drain seat (11) and the sealing screw plug (12).

4. A high efficiency precooler structure as set forth in claim 3 wherein: the bottom of the cylinder body (1) is also provided with a cylinder seat (14) with supporting function.

5. The efficient precooler structure of claim 2 wherein: the guide plates (62) are arranged at two sides of the plurality of pre-cooling coils (5); the deflector (62) is provided with a plurality of deflector holes (63).

6. The efficient precooler structure of claim 5 wherein: the diversion holes (63) are distributed on the diversion plate (62) and the number of the diversion holes is more, less and less with the central line of the diversion plate (62) as the boundary.

7. The efficient precooler structure of claim 5 wherein: the apertures of a plurality of diversion holes (63) on the diversion plate (62) are small at the upper part and large at the lower part by taking the central line of the diversion plate (62) as a boundary.

8. The efficient precooler structure of claim 2 wherein: the guide plates (62) arranged in the cylinder body (1) are arranged in a crossing manner with the precooling coils (5), and the adjacent guide plates (62) are arranged in a vertically staggered manner.

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