CN213020420U

CN213020420U - Evaporator for lithium bromide refrigerator

Info

Publication number: CN213020420U
Application number: CN202021746050.1U
Authority: CN
Inventors: 沈治; 刘贤; 赵自育; 方红
Original assignee: Anhui Fubang Pharmaceutical Co ltd
Current assignee: Anhui Fubang Pharmaceutical Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-20
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses an evaporator for a lithium bromide refrigerator, which belongs to the technical field of refrigeration equipment and comprises a shell, wherein a connecting pipe is arranged below the shell, a refrigerant pump is arranged below the shell, the refrigerant pump is connected with the connecting pipe through a liquid outlet pipe, a circulating pipe is arranged between the refrigerant pump and the shell, two ends of the circulating pipe are connected with limiting rings, an outer ring is arranged between the two limiting rings, a heat preservation structure is arranged between the outer ring and the limiting rings, the heat preservation structure comprises heat preservation cotton, a first half pipe and a second half pipe, and the first half pipe is arranged on one side of the periphery of the circulating pipe; the utility model discloses the periphery of circulating pipe in original lithium bromide is evaporimeter for the refrigerator adds insulation construction, can avoid the circulating pipe at the in-process of carrying the cryogen through insulation construction, and the heat outdiffusion of cryogen influences the self temperature of cryogen, and then influences subsequent cryogen circulation in the evaporimeter and recycles.

Description

Evaporator for lithium bromide refrigerator

Technical Field

The utility model belongs to the technical field of refrigeration plant, concretely relates to evaporimeter for lithium bromide refrigerator.

Background

The evaporator is an important part in four major refrigeration parts, and low-temperature condensed liquid passes through the evaporator to exchange heat with outside air, so that the vapor is gasified to absorb heat, and the refrigeration effect is achieved.

Chinese patent application No. 201821365799.4 discloses an evaporator of a lithium bromide refrigerator, which comprises a shell, wherein a refrigerant spray head is arranged at the top of the shell, a vertically coiled cold water pipe is arranged in the shell, the lower end of a spiral pipe is introduced into the evaporator through a cold water pipe inlet, the upper end of the spiral pipe is led out of the evaporator through a cold water pipe outlet, an absorber is arranged beside the evaporator and is separated by a baffle, a vertically coiled spiral guide plate is arranged on the inner wall of an evaporation cavity formed by the shell and the baffle, one end of the spiral guide plate is fixedly connected with the inner wall of the evaporation cavity in a welding mode, a vent hole is arranged in the gap of the surface of the spiral guide plate on the baffle, a refrigerant inlet is arranged at the initial position of the spiral guide plate, a refrigerant outlet is arranged at the lower part of the shell, and the refrigerant outlet is connected with, the other end of the refrigerant pump is connected with the refrigerant spray head through a refrigerant circulating pipe. The utility model discloses have the characteristic of reinforcing refrigeration effect.

The above patent has the following problems: 1. the refrigerant liquefied in the shell is input into the evaporator again through the circulating pipe for recycling, but in the process of conveying the refrigerant through the circulating pipe, the heat of the refrigerant can be diffused outwards to influence the self temperature of the refrigerant, so that the subsequent recycling of the refrigerant in the evaporator is influenced; 2. the refrigerant liquefied in the evaporator is input into the circulating pipe under the action of the refrigerant pump, but the liquefied refrigerant may have impurities, and the impurities enter the refrigerant pump to affect the use of the refrigerant pump.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an evaporator for a lithium bromide refrigerator, which has the characteristics of heat preservation and filtration.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an evaporimeter for lithium bromide refrigerator, includes the casing, the casing be provided with the connecting pipe by the below, the below of casing is provided with the cryogen pump, be connected through the drain pipe between cryogen pump and the connecting pipe, be provided with the circulating pipe between cryogen pump and the casing, the both ends of circulating pipe all are connected with the spacing ring, two be provided with the outer loop between the spacing ring, be provided with insulation construction between outer loop and the spacing ring, insulation construction includes heat preservation cotton, first half pipe and second half pipe, peripheral one side of circulating pipe is provided with first half pipe, the peripheral opposite side of circulating pipe is provided with second half pipe, first half pipe and second half pipe are close to one side of circulating pipe and all are connected with heat preservation cotton, on outer loop and the spacing ring and correspond first half pipe and second half pipe's position department and all be provided with the grafting groove.

Preferably, the heat insulation structure comprises a first bolt, and the first half pipe and the limiting ring, the first half pipe and the outer ring, the second half pipe and the limiting ring, and the second half pipe and the outer ring are all connected through the first bolt.

Preferably, the connecting pipe and the one end that the drain pipe is close to each other all are connected with flange, two pass through second bolted connection between the flange.

Preferably, the drain pipe is provided with the mounting groove on being close to the one end inside wall of connecting pipe, the internally mounted of mounting groove has the collar, the internal connection of collar has the filter screen.

Preferably, the connecting pipe is connected with a supporting rod at one end close to the liquid outlet pipe and corresponding to the mounting ring.

Preferably, the lateral wall of collar is connected with the kelly, just the position department that corresponds the kelly is provided with the draw-in groove on the lateral wall of mounting groove.

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

1. the utility model discloses the periphery of circulating pipe in original lithium bromide is evaporimeter for the refrigerator adds insulation construction, can avoid the circulating pipe at the in-process of carrying the cryogen through insulation construction, and the heat outdiffusion of cryogen influences the self temperature of cryogen, and then influences subsequent cryogen circulation in the evaporimeter and recycles.

2. The utility model discloses in the drain pipe in original lithium bromide is evaporimeter for the refrigerator, add the interception structure, can intercept the impurity in the cryogen after the liquefaction through the interception structure, and then can avoid impurity to get into the cryogen pump in, influence the life of cryogen pump.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the stop collar of the present invention;

fig. 4 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a refrigerant pump; 3. a limiting ring; 4. an outer ring; 5. a circulation pipe; 6. a heat preservation structure; 61. heat preservation cotton; 62. a first half pipe; 63. a second half pipe; 64. a first bolt; 7. inserting grooves; 8. a connecting pipe; 9. a connecting flange; 10. a second bolt; 11. a mounting ring; 12. a clamping rod; 13. filtering with a screen; 14. a liquid outlet pipe; 15. a card slot; 16. mounting grooves; 17. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an evaporator for a lithium bromide refrigerator comprises a shell 1, a connecting pipe 8 is arranged below the shell 1, a refrigerant pump 2 is arranged below the shell 1, the refrigerant pump 2 is connected with the connecting pipe 8 through a liquid outlet pipe 14, a circulating pipe 5 is arranged between the refrigerant pump 2 and the shell 1, two ends of the circulating pipe 5 are connected with limiting rings 3, an outer ring 4 is arranged between the two limiting rings 3, a heat insulation structure 6 is arranged between the outer ring 4 and the limiting rings 3, the heat insulation structure 6 comprises heat insulation cotton 61, the first half pipe 62 and the second half pipe 63 are arranged on one side of the periphery of the circulating pipe 5, the second half pipe 63 is arranged on the other side of the periphery of the circulating pipe 5, the heat preservation cotton 61 is connected to one sides, close to the circulating pipe 5, of the first half pipe 62 and the second half pipe 63, and the insertion grooves 7 are arranged on the outer ring 4 and the limiting ring 3 and in positions corresponding to the first half pipe 62 and the second half pipe 63.

Specifically, the heat insulation structure 6 comprises a first bolt 64, the first half pipe 62 and the limit ring 3, the first half pipe 62 and the outer ring 4, the second half pipe 63 and the limit ring 3, and the second half pipe 63 and the outer ring 4 are connected through the first bolt 64,

through adopting above-mentioned technical scheme, first half 62 and the second half 63 of pipe are dismantled in easy to assemble.

Specifically, one end of the connecting pipe 8, which is close to the liquid outlet pipe 14, is connected with a connecting flange 9, the two connecting flanges 9 are connected through a second bolt 10,

through adopting above-mentioned technical scheme, conveniently install on connecting pipe 8 and dismantle drain pipe 14.

Specifically, a mounting groove 16 is arranged on the inner side wall of one end of the liquid outlet pipe 14 close to the connecting pipe 8, a mounting ring 11 is mounted inside the mounting groove 16, a filter screen 13 is connected inside the mounting ring 11,

by adopting the technical scheme, the refrigerant entering the liquid outlet pipe 14 can be filtered, and impurities in the refrigerant are prevented from entering the refrigerant pump 2.

Specifically, a propping rod 17 is connected at one end of the connecting pipe 8 close to the liquid outlet pipe 14 and at the position corresponding to the mounting ring 11,

through adopting above-mentioned technical scheme, support pole 17 can provide the extrusion force for collar 11 to with collar 11 fixed connection in mounting groove 16.

Specifically, a clamping rod 12 is connected on the side wall of the mounting ring 11, a clamping groove 15 is arranged on the side wall of the mounting groove 16 and at the position corresponding to the clamping rod 12,

through adopting above-mentioned technical scheme, the block between kelly 12 and draw-in groove 15 can be tentatively fixed collar 11 in mounting groove 16.

The structure of the middle shell and the working principle of the evaporator for the lithium bromide refrigerator of the utility model are disclosed in the evaporator of the lithium bromide refrigerator disclosed in the Chinese patent application No. 201821365799.4.

The utility model discloses a theory of operation and use flow: the utility model discloses when the cryogen liquefaction in casing 1 needs recycling, under cryogen pump 2's effect, the cryogen passes through during connecting pipe 8 flows into drain pipe 14, flows into circulating pipe 5 after filter screen 13 interception filters in, and circulating pipe 5 outlying heat preservation cotton 61 can avoid the cryogen to scatter and disappear at the in-process heat that circulating pipe 5 inner loop carried, and circulating pipe 5 is carried the cryogen into casing 1 again and is carried out work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An evaporator for a lithium bromide refrigerator comprises a shell (1), and is characterized in that: the heat insulation structure is characterized in that a connecting pipe (8) is arranged below the shell (1) in a leaning manner, a refrigerant pump (2) is arranged below the shell (1), the refrigerant pump (2) is connected with the connecting pipe (8) through a liquid outlet pipe (14), a circulating pipe (5) is arranged between the refrigerant pump (2) and the shell (1), two ends of the circulating pipe (5) are connected with limiting rings (3), an outer ring (4) is arranged between the two limiting rings (3), a heat insulation structure (6) is arranged between the outer ring (4) and the limiting rings (3), the heat insulation structure (6) comprises heat insulation cotton (61), a first half pipe (62) and a second half pipe (63), a first half pipe (62) is arranged on one side of the periphery of the circulating pipe (5), a second half pipe (63) is arranged on the other side of the periphery of the circulating pipe (5), and the heat insulation cotton (61) is connected with one side of the first half pipe (62) and the second half pipe (63) close to the circulating pipe (5), the outer ring (4) and the limiting ring (3) are provided with inserting grooves (7) at positions corresponding to the first half pipe (62) and the second half pipe (63).

2. The evaporator for a lithium bromide refrigerator according to claim 1, wherein: the heat insulation structure (6) comprises a first bolt (64), and the first half pipe (62) is connected with the limiting ring (3), the first half pipe (62) is connected with the outer ring (4), the second half pipe (63) is connected with the limiting ring (3), and the second half pipe (63) is connected with the outer ring (4) through the first bolt (64).

3. The evaporator for a lithium bromide refrigerator according to claim 1, wherein: one end that connecting pipe (8) and drain pipe (14) are close to each other all is connected with flange (9), two connect through second bolt (10) between flange (9).

4. The evaporator for a lithium bromide refrigerator according to claim 1, wherein: be provided with mounting groove (16) on drain pipe (14) is close to the one end inside wall of connecting pipe (8), the internally mounted of mounting groove (16) has collar (11), the internal connection of collar (11) has filter screen (13).

5. The evaporator for a lithium bromide refrigerator according to claim 1, wherein: the connecting pipe (8) is connected with a supporting rod (17) at one end close to the liquid outlet pipe (14) and at the position corresponding to the mounting ring (11).

6. The evaporator for a lithium bromide refrigerator according to claim 4, wherein: the side wall of the mounting ring (11) is connected with a clamping rod (12), and a clamping groove (15) is formed in the side wall of the mounting groove (16) and corresponds to the position of the clamping rod (12).