阅读说明：本技术 一种蒸汽双效吸收制冷机安装结构 (Steam double-effect absorption refrigerator mounting structure ) 是由 贾继武 杨新宇 秦向辉 楚良 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种蒸汽双效吸收制冷机安装结构,涉及蒸汽双效吸收制冷机技术领域,本发明包括：壳体,所述壳体的外侧壁安装有输气管,所述壳体的底部安装有连通管,所述输气管的内部安装有驱动机构；传动件,所述传动件的输入端与所述驱动机构固定连接；本发明在使用时,通过输气管开始进入蒸汽,通过蒸汽的流动带动驱动风扇的转动,进而通过转轴带动喷液柱转动,使得喷液柱在离心力的作用下将联氨溶液经过输液管输送至喷液柱内,使得液体通过喷液孔喷出,实现对水蒸汽中的氧气进行有效的处理,防止水蒸汽中的氧气进入壳体的内部,造成溴化锂溶液腐蚀冷凝管,对冷凝管进行了一定程度的保护,延长了冷凝管的使用寿命,节约了资源。(The invention discloses a steam double-effect absorption refrigerator mounting structure, relating to the technical field of steam double-effect absorption refrigerators, comprising: the outer side wall of the shell is provided with a gas pipe, the bottom of the shell is provided with a communicating pipe, and a driving mechanism is arranged in the gas pipe; the input end of the transmission piece is fixedly connected with the driving mechanism; when the device is used, steam starts to enter through the gas conveying pipe, the driving fan is driven to rotate through the flowing of the steam, the liquid spraying column is driven to rotate through the rotating shaft, the hydrazine solution is conveyed into the liquid spraying column through the liquid conveying pipe under the action of centrifugal force, liquid is sprayed out through the liquid spraying holes, oxygen in the water vapor is effectively treated, the phenomenon that the lithium bromide solution corrodes the condensation pipe due to the fact that the oxygen in the water vapor enters the inside of the shell is prevented, the condensation pipe is protected to a certain extent, the service life of the condensation pipe is prolonged, and resources are saved.)

1. A steam double effect absorption chiller mounting structure comprising:

the air pipe type air conditioner comprises a shell (1), wherein an air pipe (6) is installed on the outer side wall of the shell (1), a communicating pipe (5) is installed at the bottom of the shell (1), and a driving mechanism (12) is installed inside the air pipe (6);

the transmission piece (13) is used for transmitting the driving force generated by the driving mechanism (12), and the input end of the transmission piece (13) is fixedly connected with the driving mechanism (12);

the gas homogenizing assembly (14) is arranged inside the communicating pipe (5), the gas homogenizing assembly (14) is used for uniformly spraying liquid, and the gas homogenizing assembly (14) is connected with the driving mechanism (12) through a transmission part (13);

a valve arrangement (15), the valve arrangement (15) being used for adding a solution, the valve arrangement (15) being arranged inside the housing (1).

2. The dual effect absorption chiller mounting structure for steam as set forth in claim 1 wherein said drive mechanism (12) comprises a drive fan (121), a shaft (122), a spray column (123), a liquid delivery tube (124) and a liquid spray orifice (125); the top of drive fan (121) with the bottom fixed connection of pivot (122), the top of pivot (122) with the bottom fixed connection of hydrojet post (123), the bottom of transfer line (124) with the top of hydrojet post (123) is connected through the bearing, hydrojet hole (125) are seted up the top of hydrojet post (123), transfer line (124) run through the top of gas-supply pipe (6) and extend to the top of hydrojet post (123).

3. The dual effect absorption chiller mounting structure for steam according to claim 1 wherein the transmission (13) comprises a drive pulley (131), a belt (132) and a driven pulley (133); the lateral wall of drive pulley (131) with the inboard wall of belt (132) is laminated mutually, the inside wall of belt (132) with the outside wall of driven pulley (133) is laminated mutually, belt (132) run through communicating pipe (5) with the lateral wall of gas-supply pipe (6).

4. The steam double-effect absorption refrigerator mounting structure according to claim 1, wherein the air-homogenizing assembly (14) comprises a rotating rod (141), an air-extracting fan (142), an air-homogenizing plate (143) and an exhaust box (144), the top of the rotating rod (141) is fixedly connected with the bottom of the air-extracting fan (142), the outer side wall of the bottom of the rotating rod (141) is fixedly connected with the outer side wall of the air-homogenizing plate (143), the air-homogenizing plate (143) is arranged in the middle of the exhaust box (144), the top of the exhaust box (144) is fixedly connected with the top of the inner side wall of the casing (1), and the top of the exhaust box (144) is fixedly connected with the end of the communicating pipe (5).

5. The dual effect absorption chiller mounting structure for steam according to claim 1 wherein the valve means (15) comprises a liquid tank (151), a sealing plate (152), a valve spring (153), a through hole (154), a pressing plate (155) and a stopper (156); the tip of liquid case (151) with the inside wall sliding connection of closing plate (152) bottom, the bottom of valve spring (153) with the top fixed connection of liquid case (151) tip, the top of valve spring (153) with the inside wall top fixed connection of closing plate (152) bottom, through-hole (154) are seted up the lateral wall of closing plate (152), install the bottom of stripper plate (155) the middle part position of closing plate (152), stopper (156) are installed and are kept away from the top position of stripper plate (155), the lateral wall of liquid case (151) with the inside wall sliding connection of casing (1).

6. The mounting structure of a dual effect absorption steam refrigerator according to any one of claims 2, 3 or 4, wherein the inner sidewall of the driving pulley (131) is fixedly connected with the outer sidewall of the rotating shaft (122), and the inner sidewall of the driven pulley (133) is fixedly connected with the outer sidewall of the rotating rod (141).

7. The dual effect absorption chiller mounting structure of steam of claim 1 wherein, a water supply pipe (2) is installed on the side wall of the shell (1), an air cooler (3) is installed at the end part of the water supply pipe (2), a water return pipe (4) is installed on the side wall of the shell (1), the end part of the water return pipe (4) is connected with the end part of the air cooler (3), the inner side wall of the shell (1) is provided with a condenser tube (7), the outer side wall of the shell (1) is provided with a liquid feeding tube (8), the atomizer (9) is installed on the side wall of the communicating pipe (5), the bottom of the inner side wall of the shell (1) is fixedly connected with a return spring (10), the filter plate (11) is installed to the inside wall of casing (1), filter plate (11) are installed and are kept away from the bottom position of condenser pipe (7).

8. The dual effect absorption chiller mounting structure of steam according to claim 7, wherein the top of the return spring (10) is fixedly connected with the bottom of the liquid tank (151), the bottom of the liquid tank (151) is slidably connected with the end of the communicating pipe (5), the sealing plate (152) is mounted inside the side wall of the housing (1), and the limiting block (156) is mounted inside the side wall of the housing (1).

Technical Field

The invention relates to the technical field of steam double-effect absorption refrigerators, in particular to a steam double-effect absorption refrigerator mounting structure.

Background

The lithium bromide absorption refrigerator works on the principle that a lithium bromide solution is used as an absorbent, water is used as a refrigerant, and the purpose of refrigeration is achieved by utilizing the evaporation and heat absorption of the water under high vacuum. The lithium bromide dilute solution from the absorber is boosted by a solution pump, enters the condensate heat exchanger through the solution heat exchanger, then is divided into two paths, the lithium bromide dilute solution enters the solution heat exchanger and then enters the high-temperature generator, the lithium bromide dilute solution is heated by heat source steam in a heat transfer pipe in the high-temperature regenerator, the temperature of the solution is increased to boiling, moisture in the solution is gradually evaporated, and the concentration of the lithium bromide solution is increased. The evaporated refrigerant steam enters the low-temperature generator and enters the condenser, cooling water is introduced into a heat transfer pipe of the condenser, and the refrigerant steam is cooled by the cooling water to form condensed water which is accumulated at the lower part of the condenser, namely the refrigerant water. And the lithium bromide concentrated solution is accumulated in the solution heat exchanger after releasing heat through the solution heat exchanger. And the other path of lithium bromide dilute solution enters a low-temperature generator to absorb the heat of the high-temperature refrigerant steam to generate partial refrigerant steam again, and enters a condenser to form refrigerant water to be accumulated at the lower part of the condenser. The water in the lithium bromide dilute solution is gradually evaporated, the concentration of the lithium bromide solution is increased, and the lithium bromide solution enters the solution heat exchanger to release heat and then is gathered in the solution heat exchanger.

When using, current unit because the oxygen that contains in the steam can make the condenser pipe the condition of corroding appear to current unit is at the in-process that uses, the volume of the lithium bromide solution in the unable effectual assurance unit, and this can influence the heat exchange efficiency of unit, brings unnecessary economic loss, and we propose a steam economic benefits and social benefits absorption refrigerator mounting structure for this reason and solve above-mentioned problem.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a condensing pipe is corroded due to oxygen contained in water vapor, and the quantity of a lithium bromide solution in a unit cannot be effectively ensured in the using process of the existing unit, so that the heat exchange efficiency of the unit is influenced, and unnecessary economic loss is brought.

In order to achieve the purpose, the invention adopts the following technical scheme:

a dual effect vapor absorption chiller mounting structure comprising:

the outer side wall of the shell is provided with a gas pipe, the bottom of the shell is provided with a communicating pipe, and a driving mechanism is arranged in the gas pipe;

the transmission piece is used for transmitting the driving force generated by the driving mechanism, and the input end of the transmission piece is fixedly connected with the driving mechanism;

the gas homogenizing assembly is arranged inside the communicating pipe and used for uniformly spraying liquid, and the gas homogenizing assembly is connected with the driving mechanism through a transmission part;

a valve arrangement for adding a solution, the valve arrangement being disposed within the housing.

Preferably, the driving mechanism comprises a driving fan, a rotating shaft, a liquid spraying column, a liquid conveying pipe and a liquid spraying hole; the top of drive fan with the bottom fixed connection of pivot, the top of pivot with the bottom fixed connection of hydrojet post, the bottom of transfer line with the top of hydrojet post is connected through the bearing, the hydrojet hole is seted up the top of hydrojet post, the transfer line runs through the top of gas-supply pipe and extends to the top of hydrojet post.

Preferably, the transmission comprises a driving pulley, a belt and a driven pulley; the lateral wall of driving pulley with the inboard wall of belt is laminated mutually, the inside wall of belt with driven pulley's the lateral wall is laminated mutually, the belt runs through communicating pipe with the lateral wall of gas-supply pipe.

Preferably, the even gas subassembly includes bull stick, bleed fan, even gas board and exhaust box, the top of bull stick with bleed fan's bottom fixed connection, the bottom lateral wall of bull stick with even gas board's lateral wall fixed connection, even gas board sets up the middle part position of exhaust box, the top of exhaust box with the inside wall top fixed connection of casing, the top of exhaust box with the tip fixed connection of communicating pipe.

Preferably, the valve device comprises a liquid tank, a sealing plate, a valve spring, a through hole, an extrusion plate and a limiting block; the end part of the liquid tank is connected with the inner side wall of the bottom of the sealing plate in a sliding mode, the bottom of the valve spring is fixedly connected with the top of the end part of the liquid tank, the top of the valve spring is fixedly connected with the top of the inner side wall of the bottom of the sealing plate, the through hole is formed in the side wall of the sealing plate, the bottom of the extrusion plate is installed at the middle position of the sealing plate, the limiting block is installed at the position, far away from the top position of the extrusion plate, of the outer side wall of the liquid tank is connected with the inner side wall of the shell in a sliding mode.

Preferably, the inner side wall of the driving pulley is fixedly connected with the outer side wall of the rotating shaft, and the inner side wall of the driven pulley is fixedly connected with the outer side wall of the rotating rod.

Preferably, the delivery pipe is installed to the lateral wall of casing, the air-cooler is installed to the tip of delivery pipe, the wet return is installed to the lateral wall of casing, the tip of wet return with the tip of air-cooler is connected, the condenser pipe is installed to the inside wall of casing, the liquid feeding pipe is installed to the lateral wall of casing, the atomizer is installed to the lateral wall of communicating pipe, the inside wall bottom fixedly connected with reset spring of casing, the filter plate is installed to the inside wall of casing, the filter plate is installed and is kept away from the bottom position of condenser pipe.

Preferably, the top of the return spring is fixedly connected with the bottom of the liquid tank, the bottom of the liquid tank is slidably connected with the end of the communicating pipe, the sealing plate is mounted inside the side wall of the shell, and the limiting block is mounted inside the side wall of the shell.

Compared with the prior art, the invention has the beneficial effects that:

1. when the device is used, steam starts to enter through the gas conveying pipe, the driving fan is driven to rotate through the flowing of the steam, the liquid spraying column is driven to rotate through the rotating shaft, the hydrazine solution is conveyed into the liquid spraying column through the liquid conveying pipe under the action of centrifugal force, liquid is sprayed out through the liquid spraying holes, oxygen in the water vapor is effectively treated, the phenomenon that the lithium bromide solution corrodes the condensation pipe due to the fact that the oxygen in the water vapor enters the inside of the shell is prevented, the condensation pipe is protected to a certain extent, the service life of the condensation pipe is prolonged, and resources are saved.

2. According to the invention, the rotating rod is driven to rotate by the driving mechanism through the driving part, the rotating speed of the rotating rod is controlled by the amount of steam entering the gas pipe, the air exhaust fan is enabled to suck the lithium bromide solution atomized by the atomizer into the shell through the rotation of the rotating rod, the atomized lithium bromide solution can be uniformly distributed in the exhaust box through the work of the air homogenizing plate and then is discharged to the top of the condenser pipe, so that the lithium bromide solution can be uniformly covered on the top of the condenser pipe, the condition that the heat exchange is poor due to the fact that the lithium bromide solution is not uniformly covered on the condenser pipe is prevented, the heat exchange efficiency is improved, and the normal operation of the air cooler is ensured.

3. The invention reduces the lithium bromide solution in the liquid tank through the work of the gas homogenizing component, the liquid tank moves upwards under the action of the reset spring through the reduction of the lithium bromide solution, the upward movement of the liquid tank can press the valve spring to compress upwards, when the liquid consumption in the liquid tank reaches a threshold value formula, the pressing plate can be separated from the limiting function of the limiting block under the action of the valve spring, so that the through hole is opposite to the liquid feeding pipe, liquid feeding is started through the liquid feeding pipe, the liquid tank moves downwards under the action of gravity through the entrance of liquid in the liquid feeding process, the valve spring can be enabled to be in a natural state from a compression state and then in a stretching state, when the liquid tank cannot be stretched again, the pressing plate can be separated from the limiting function of the limiting block, so that the sealing plate can seal the liquid feeding pipe again under the action of the valve spring, and the lithium bromide solution in the liquid tank can be in a sufficient state all the time, the heat exchange efficiency of the lithium bromide solution is guaranteed, and the heat exchange efficiency of the condenser pipe is guaranteed, so that the working efficiency of the air cooler is guaranteed, the burden of personnel is reduced, and the use is convenient.

Drawings

FIG. 1 is a schematic front perspective view of a dual purpose absorption steam refrigerator mounting structure according to the present invention;

FIG. 2 is a schematic side sectional view of a mounting structure of a dual effect absorption steam refrigerator according to the present invention;

FIG. 3 is a schematic diagram of a sectional back perspective structure of a dual effect absorption steam refrigerator mounting structure according to the present invention;

FIG. 4 is a schematic side-wall cross-sectional perspective view of a dual purpose absorption steam refrigerator mounting structure according to the present invention;

FIG. 5 is an enlarged schematic structural view at A in FIG. 2 of a dual effect absorption steam refrigerator mounting structure according to the present invention;

FIG. 6 is an enlarged schematic structural view at B in FIG. 3 of a dual effect absorption steam refrigerator mounting structure according to the present invention;

FIG. 7 is an enlarged schematic structural view at C in FIG. 3 of a dual effect absorption steam refrigerator mounting structure according to the present invention;

fig. 8 is an enlarged schematic structural diagram of a mounting structure of a dual effect absorption steam refrigerator according to the present invention, which is shown at D in fig. 4.

In the figure: 1 shell, 2 water supply pipes, 3 air coolers, 4 water return pipes, 5 communicating pipes, 6 air conveying pipes, 7 condensation pipes, 8 liquid adding pipes, 9 atomizers, 10 return springs, 11 filter plates, 12 driving mechanisms, 121 driving fans, 122 rotating shafts, 123 liquid spraying columns, 124 liquid conveying pipes, 125 liquid spraying holes, 13 transmission pieces, 131 driving belt wheels, 132 belts, 133 driven belt wheels, 14 air homogenizing assemblies, 141 rotating rods, 142 air extracting fans, 143 air homogenizing plates, 144 exhaust boxes, 15 valve devices, 151 liquid boxes, 152 sealing plates, 153 valve springs, 154 through holes, 155 extrusion plates and 156 limiting blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, a dual effect absorption refrigerator installation structure for steam includes:

the outer side wall of the shell 1 is provided with a gas pipe 6, the bottom of the shell 1 is provided with a communicating pipe 5, and a driving mechanism 12 is arranged in the gas pipe 6;

the transmission piece 13 is used for transmitting the driving force generated by the driving mechanism 12, and the input end of the transmission piece 13 is fixedly connected with the driving mechanism 12;

the gas homogenizing assembly 14 is arranged inside the communicating pipe 5, the gas homogenizing assembly 14 is used for uniformly spraying liquid, and the gas homogenizing assembly 14 is connected with the driving mechanism 12 through a transmission piece 13;

a valve device 15, wherein the valve device 15 is used for adding the solution, and the valve device 15 is arranged inside the shell 1;

through the setting of above-mentioned structure, realized the effective processing to oxygen in the steam to can also realize the effective adjustment to lithium bromide liquid spray velocity according to the volume that steam got into, the volume of having prevented lithium bromide solution in the unit need add once more when reaching the threshold value, can't carry out the automation and add, has guaranteed cooling efficiency, has practiced thrift the resource, facilitates the use.

Wherein, the driving mechanism 12 comprises a driving fan 121, a rotating shaft 122, a liquid spraying column 123, a liquid conveying pipe 124 and a liquid spraying hole 125; the top of the driving fan 121 is fixedly connected with the bottom of the rotating shaft 122, the top of the rotating shaft 122 is fixedly connected with the bottom of the liquid spraying column 123, the bottom of the liquid conveying pipe 124 is connected with the top of the liquid spraying column 123 through a bearing, the liquid spraying hole 125 is formed in the top of the liquid spraying column 123, and the liquid conveying pipe 124 penetrates through the top of the gas conveying pipe 6 and extends to the top of the liquid spraying column 123;

through the setting of above-mentioned structure, realized adjusting the spraying amount of hydrazine solution according to the air input of steam to for the work of whole device provides power, practiced thrift the resource, prevented that the oxygen in the steam from causing the corruption to condenser pipe 7.

Wherein the transmission member 13 includes a driving pulley 131, a belt 132, and a driven pulley 133; the outer side wall of the driving pulley 131 is attached to the inner side wall of the belt 132, the inner side wall of the belt 132 is attached to the outer side wall of the driven pulley 133, and the belt 132 penetrates through the side walls of the communicating pipe 5 and the air pipe 6;

through the arrangement of the structure, the driving force generated by the driving mechanism 12 can drive the internal components of the shell 1 to work, so that the stable work of the internal components of the shell 1 is ensured, and the resources are saved.

The air homogenizing assembly 14 comprises a rotating rod 141, an air extracting fan 142, an air homogenizing plate 143 and an exhaust box 144, wherein the top of the rotating rod 141 is fixedly connected with the bottom of the air extracting fan 142, the outer side wall of the bottom of the rotating rod 141 is fixedly connected with the outer side wall of the air homogenizing plate 143, the air homogenizing plate 143 is arranged in the middle of the exhaust box 144, the top of the exhaust box 144 is fixedly connected with the top of the inner side wall of the shell 1, and the top of the exhaust box 144 is fixedly connected with the end part of the communicating pipe 5;

through the setting of above-mentioned structure, realized through the size of actuating mechanism 12 operating speed, the speed of spraying of control lithium bromide solution has guaranteed the good ratio of water vapor lithium bromide solution, has improved heat exchange efficiency.

The valve device 15 includes a liquid tank 151, a sealing plate 152, a valve spring 153, a through hole 154, a pressing plate 155 and a limiting block 156; the end part of the liquid tank 151 is slidably connected with the inner side wall at the bottom of the sealing plate 152, the bottom of the valve spring 153 is fixedly connected with the top of the end part of the liquid tank 151, the top of the valve spring 153 is fixedly connected with the top of the inner side wall at the bottom of the sealing plate 152, the through hole 154 is formed in the side wall of the sealing plate 152, the bottom of the extrusion plate 155 is installed at the middle position of the sealing plate 152, the limiting block 156 is installed at the position far away from the top of the extrusion plate 155, and the outer side wall of the liquid tank 151 is slidably connected with the inner side wall of the shell 1;

through the setting of above-mentioned structure for the lithium bromide solution in the liquid case 151 can be in sufficient state always, has guaranteed the heat exchange efficiency of lithium bromide solution, has guaranteed the heat exchange efficiency of condenser pipe 7, thereby has guaranteed the work efficiency of air-cooler 3, has alleviateed personnel's burden, facilitates the use.

Wherein, the inner side wall of the driving pulley 131 is fixedly connected with the outer side wall of the rotating shaft 122, and the inner side wall of the driven pulley 133 is fixedly connected with the outer side wall of the rotating rod 141.

Wherein, delivery pipe 2 is installed to the lateral wall of casing 1, air-cooler 3 is installed to the tip of delivery pipe 2, wet return 4 is installed to the lateral wall of casing 1, the tip of wet return 4 is connected with the tip of air-cooler 3, condenser pipe 7 is installed to the inside wall of casing 1, liquid feeding pipe 8 is installed to the lateral wall of casing 1, atomizer 9 is installed to the lateral wall of communicating pipe 5, inside wall bottom fixedly connected with reset spring 10 of casing 1, filter plate 11 is installed to the inside wall of casing 1, filter plate 11 is installed in the bottom position of keeping away from condenser pipe 7.

The top of the return spring 10 is fixedly connected to the bottom of the liquid tank 151, the bottom of the liquid tank 151 is slidably connected to the end of the communication pipe 5, the sealing plate 152 is mounted inside the sidewall of the housing 1, and the limiting block 156 is mounted inside the sidewall of the housing 1.

In the invention, when the device is used, steam starts to enter through the gas pipe 6, the rotation of the driving fan 121 is driven through the flowing of the steam, and the liquid spraying column 123 is driven to rotate through the rotating shaft 122, so that the hydrazine solution is conveyed into the liquid spraying column 123 through the liquid conveying pipe 124 by the liquid spraying column 123 under the action of centrifugal force, the liquid is sprayed out through the liquid spraying holes 125, the effective treatment of oxygen in the water vapor is realized, the oxygen in the water vapor is prevented from entering the inside of the shell 1, the lithium bromide solution is prevented from corroding the condensation pipe 7, the condensation pipe 7 is protected to a certain extent, and the service life of the condensation pipe 7 is prolonged;

the rotating rod 141 is driven to rotate by the driving mechanism 12 through the transmission piece 13, the amount of steam entering through the air pipe 6 controls the rotating speed of the rotating rod 141, the air extracting fan 142 pumps the lithium bromide solution atomized by the atomizer 9 into the shell 1 through the rotation of the rotating rod 141, the atomized lithium bromide solution can be uniformly distributed in the exhaust box 144 through the operation of the air homogenizing plate 143 and then is discharged to the top of the condenser pipe 7, the lithium bromide solution can be uniformly covered on the top of the condenser pipe 7, the condition that the heat exchange is poor due to the fact that the lithium bromide solution is not uniformly covered on the condenser pipe 7 is prevented, the heat exchange efficiency is improved, and the normal operation of the air cooler 3 is guaranteed;

through the work of the gas homogenizing assembly 14, the lithium bromide solution in the liquid tank 151 is reduced, through the reduction of the lithium bromide solution, the liquid tank 151 moves upwards under the action of the reset spring 10, the upward movement of the liquid tank 151 presses the valve spring 153 to compress upwards, when the liquid consumption in the liquid tank 151 reaches a threshold value formula, the pressing plate 155 is separated from the limiting function of the limiting block 156 under the action of the valve spring 153, the through hole 154 is opposite to the liquid filling pipe 8, liquid filling is started through the liquid filling pipe 8, in the liquid filling process, the liquid tank 151 moves downwards under the action of gravity through the entrance of liquid, the valve spring 153 is enabled to be in a natural state from a compression state and then in a stretching state, when the liquid tank cannot be stretched again, the pressing plate 155 is separated from the limiting function of the limiting block 156, and the sealing plate 152 seals the liquid filling pipe 8 again under the action of the valve spring 153, make the lithium bromide solution in liquid case 151 be in sufficient state always, guaranteed the heat exchange efficiency of lithium bromide solution, guaranteed condenser pipe 7's heat exchange efficiency to guarantee the work efficiency of air-cooler 3, alleviateed personnel's burden, facilitate the use.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.