CN209926925U

CN209926925U - Novel cold and hot water machine heat exchanger

Info

Publication number: CN209926925U
Application number: CN201920488533.7U
Authority: CN
Inventors: 招焯活
Original assignee: Zhao Chaohuo
Current assignee: Zhao Chaohuo
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-01-10
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a novel cold and hot water machine heat exchanger, including the protection casing and with the bung that the protection casing cooperation is connected, install refrigerant inlet tube, refrigerant outlet pipe, cooling water respectively on the bung and add mouth, cooling water backward flow mouth and temperature sensor, the inside of casing is provided with the heat transfer cavity, the inside of heat transfer cavity is provided with heat exchange coil, heat exchange coil is made by the bellows, is provided with the fender that is used for changing the rivers direction between heat exchange coil and the bung and flows the board. The heat exchange coil is made of corrugated pipes, and compared with common steel pipes, the corrugated pipes have larger contact area, so that the heat exchange efficiency can be improved by more than 25%; through setting up the fender and flowing the board, when cooling liquid flows in from the cooling water backward flow mouth, rivers are blockked by the fender and flow the board, and the downward diffusion all around that the board was kept off in the redispersion, and this not only can prevent the rivers short circuit, can also reduce the vibration that rivers directly produced the heat exchange coil, and the noise is also lower.

Description

Novel cold and hot water machine heat exchanger

Technical Field

The utility model belongs to the technical field of indirect heating equipment technique and specifically relates to a novel cold and hot water machine heat exchanger is related to.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum and the like, and an industrial chain is formed mutually. Data show that the market scale of the heat exchanger industry in China in 2010 is about 500 million yuan, and the heat exchanger industry is mainly focused on the fields of petroleum, chemical engineering, metallurgy, electric power, ships, central heating, refrigeration and air conditioning, machinery, food, pharmacy and the like. For the existing barrel type heat exchanger, a coil pipe is generally placed in a barrel for heat exchange, the heat exchange efficiency is relatively low, and the coil pipe in the existing heat exchanger is suspended in the barrel, so that the coil pipe can vibrate repeatedly and the noise is relatively high due to the rapid flowing of cooling water and a refrigerant during working; in addition, in the heat exchange process, most of cooling liquid directly flows from the water inlet to the water outlet of the heat exchange cavity, the designed retention time and other indexes cannot be reached, so that the cooling liquid cannot be subjected to heat exchange treatment fully, the phenomenon is like short circuit in a circuit, namely, the water flow is short-circuited, and the heat exchange effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a novel cold and hot water machine heat exchanger that simple structure, reasonable in design, heat exchange efficiency are higher and the noise is low.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a novel cold and hot water machine heat exchanger, including the protection casing and with the bung that the cooperation of protection casing is connected, install refrigerant inlet tube, refrigerant outlet pipe, cooling water respectively on the bung and add mouth, cooling water backward flow mouth and temperature sensor, the inside of protection casing is provided with the heat transfer cavity, the inside of heat transfer cavity is provided with heat exchange coil, heat exchange coil is made by the bellows, heat exchange coil with be provided with the fender flow board that is used for changing the rivers direction between the bung, be connected with cooling water discharge port and drain on the outer wall of protection casing bottom respectively.

Preferably, in the above heat exchanger of the novel cold and hot water machine, the refrigerant inlet pipe and the refrigerant outlet pipe are respectively communicated with two ends of the heat exchange coil.

Preferably, the above new type of hot and cold water machine heat exchanger, wherein the protective casing is made of polypropylene, and the heat exchange coil is made of 304 stainless steel.

Preferably, in the heat exchanger of the novel cold and hot water machine, both ends of the refrigerant inlet pipe and the refrigerant outlet pipe are embedded in the flow baffle.

The utility model has the advantages and beneficial effects that: (1) the heat exchange cavity is internally provided with the heat exchange coil, the heat exchange coil is made of corrugated pipes, and compared with a common steel pipe, the corrugated pipes have larger contact area and can improve the heat exchange efficiency by more than 25%; (2) by arranging the temperature sensor and electrically connecting the temperature sensor with external control, the temperature sensor can monitor the temperature in the heat exchange cavity in real time so as to control the supply amount of the refrigerant, thus ensuring the temperature of the cooling liquid within a reasonable range and having better stability; (3) through setting up the fender and flowing the board, when cooling liquid flows in from the cooling water backward flow mouth, rivers are blockked by the fender and flow the board, and the downward diffusion all around that the board was kept off in the redispersion, and this not only can prevent the rivers short circuit, can also reduce the vibration that rivers directly produced the heat exchange coil, and the noise is also lower.

Drawings

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

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

fig. 3 is a top view of the present invention;

fig. 4 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a protective housing; 2. a barrel cover; 3. a refrigerant inlet pipe; 4. a refrigerant outlet pipe; 5. a cooling water addition port; 6. a cooling water return port; 7. a temperature sensor; 8. a temperature detecting tube; 9. a cooling water discharge port; 10. a sewage draining outlet; 11. a heat exchange cavity; 12. a heat exchange coil; 13. a fixed seat; 14. keep off the flow board.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, together with the accompanying drawings and the embodiments of the present invention, will be made to clearly describe the technical solutions in the embodiments of the present invention, and obviously, 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 efforts belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, a novel cold and hot water machine heat exchanger, including protection casing 1 and bung 2 connected with protection casing 1, protection casing 1 is made by polypropylene, install refrigerant inlet tube 3 on bung 2 respectively, refrigerant outlet pipe 4, cooling water adds mouth 5, cooling water backward flow mouth 6 and temperature sensor 7, wherein temperature sensor 7's bottom is provided with temperature detection pipe 8 that is used for the temperature sensing, protection casing 1's inside is provided with heat transfer cavity 11, heat transfer cavity 11's inside is provided with heat transfer coil 12, heat transfer coil 12 is made by the bellows, and the bellows is made by 304 stainless steel, refrigerant inlet tube 3, refrigerant outlet pipe 4 are linked together with heat transfer coil 12's both ends respectively, be connected with cooling water discharge port 9 and drain 10 on the outer wall of protection casing 1 bottom respectively.

As shown in fig. 1 and 4, a heat exchange coil 12 is arranged inside the heat exchange cavity 11, the heat exchange coil 12 is made of a corrugated pipe, and compared with a common steel pipe, the corrugated pipe has a larger contact area, so that the heat exchange efficiency can be improved by more than 25%; by arranging the temperature sensor 7, the temperature sensor 7 can be electrically connected with external control, so that the temperature sensor 7 can immediately monitor the temperature in the heat exchange cavity 11, the supply amount of the refrigerant is controlled, the temperature of the cooling liquid can be ensured to be within a reasonable range, and the stability is better; through setting up and keeping off the flow plate 14, when cooling liquid from the internal flow of cooling water backward flow mouth 6, rivers have been stopped by keeping off the flow plate 14, and the all around downward diffusion that redisperses to keep off the flow plate 14, and this not only can prevent the rivers short circuit, can also reduce the vibration that rivers directly produced heat exchange coil 12, and the noise is also lower.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" 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 otherwise specified.

It should be noted that the utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece can all be customized according to the record of description and attached drawing, and the concrete connected mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and the inventor does not detailed herein again.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a novel cold and hot water machine heat exchanger, including protection casing (1) and with bung (2) that protection casing (1) cooperation is connected, its characterized in that: the water cooling device is characterized in that a cooling medium inlet pipe (3), a cooling medium outlet pipe (4), a cooling water adding port (5), a cooling water backflow port (6) and a temperature sensor (7) are respectively installed on the barrel cover (2), a heat exchange cavity (11) is arranged inside the protection shell (1), a heat exchange coil (12) is arranged inside the heat exchange cavity (11), the heat exchange coil (12) is made of corrugated pipes, a flow blocking plate (14) used for changing the water flow direction is arranged between the heat exchange coil (12) and the barrel cover (2), and a cooling water discharging port (9) and a sewage draining port (10) are respectively connected to the outer wall of the bottom of the protection shell (1).

2. The heat exchanger of the novel cold and hot water machine as claimed in claim 1, wherein: and the refrigerant inlet pipe (3) and the refrigerant outlet pipe (4) are respectively communicated with two ends of the heat exchange coil pipe (12).

3. The heat exchanger of the novel cold and hot water machine as claimed in claim 1, wherein: the protective shell (1) is made of polypropylene, and the heat exchange coil (12) is made of 304 stainless steel.

4. The heat exchanger of the novel cold and hot water machine as claimed in claim 1, wherein: the two ends of the refrigerant inlet pipe (3) and the refrigerant outlet pipe (4) are embedded in the flow baffle plate (14).