CN219319082U

CN219319082U - Condensing device

Info

Publication number: CN219319082U
Application number: CN202223441500.8U
Authority: CN
Inventors: 林宗立
Original assignee: Xiamen Lishunxin Environmental Technology Co ltd
Current assignee: Xiamen Lishunxin Environmental Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-07-07
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a condensing device, which comprises a tank body, a heat exchanger, a pipeline pump, an ejector, a steam inlet pipe, a condensed water pipe, a water inlet pipe and a water outlet pipe; one end of the water inlet pipe is communicated with the bottom of the tank body, and the other end of the water inlet pipe is communicated with the inlet of the pipeline pump; the outlet of the pipeline pump is communicated with one end of a water outlet pipe through an ejector, and the other end of the water outlet pipe is communicated with the upper end of the tank body; the heat exchanger is arranged in the tank body, the steam inlet pipe is communicated with the upper end of the heat exchanger, one end of the condensate pipe is communicated with the bottom of the heat exchanger, and the other end of the condensate pipe is communicated with the outlet of the pipeline pump. The water in the tank body forms high jet flow through the pipeline pump and the jet device, so that negative pressure is generated, steam in the steam inlet pipe can be pumped, the fluidity of the steam is improved, and the condensation efficiency is further improved. The condensed water can supplement water loss in the tank body, and the water in the tank body can also play a certain role in cooling the heat exchanger, so that the energy is saved.

Description

Condensing device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a condensing device.

Background

Along with the development of industries such as medicines, chemical industry, pigment dyeing, hardware machining and the like, the enterprises can generate high COD, high ammonia nitrogen and high salt wastewater in the production process, the generation way of the high-concentration wastewater is wide, the property is complex, the water quantity is increased year by year, the traditional wastewater treatment process cannot meet the requirements of new situations, and the discharged wastewater quality is obviously different due to the diversity and process characteristics of various production workshop products of the industrial enterprises, the components are complex, the pollution degree difference is large, and the difficulty of treating and recycling the high-concentration wastewater is high. Therefore, low temperature vacuum evaporators for treating high concentration wastewater have become an important point of industry. The condensing device of the low-temperature vacuum evaporator is an important treatment device of the evaporator, and plays a role in determining the treatment capacity and the treatment effect of the evaporator. Therefore, the design of an efficient condensing device has great significance.

Disclosure of Invention

The purpose of the present utility model is to provide a condensing device that can efficiently condense steam.

In order to achieve the aim, the utility model discloses a condensing device which comprises a tank body, a heat exchanger, a pipeline pump, an ejector, a steam inlet pipe, a condensed water pipe, a water inlet pipe and a water outlet pipe; one end of the water inlet pipe is communicated with the bottom of the tank body, and the other end of the water inlet pipe is communicated with the inlet of the pipeline pump; the outlet of the pipeline pump is communicated with one end of a water outlet pipe through an ejector, and the other end of the water outlet pipe is communicated with the upper end of the tank body; the heat exchanger is arranged in the tank body, the steam inlet pipe is communicated with the upper end of the heat exchanger, one end of the condensate pipe is communicated with the bottom of the heat exchanger, and the other end of the condensate pipe is communicated with the outlet of the pipeline pump.

Preferably, the heat exchanger comprises a first orifice plate, a second orifice plate, a shell and at least one heat exchange tube, wherein the first orifice plate is matched with the inner wall of the tank body or the inner wall of the shell to form a steam cavity, and the steam inlet tube is communicated with the steam cavity; the second pore plate is matched with the inner wall of the shell to form a condensation cavity, and the condensation water pipe is communicated with the condensation cavity; the heat exchange tube is arranged between the first pore plate and the second pore plate, and is communicated with the steam cavity and the condensation cavity; the first pore plate, the second pore plate, the heat exchange tube and the shell are matched to form a refrigerant cavity, the lower end of the refrigerant cavity is provided with a refrigerant inlet communicated with the outside of the tank body, and the upper end of the refrigerant cavity is provided with a refrigerant outlet communicated with the outside of the tank body.

Preferably, the edge of the first pore plate is in sealing connection with the inner wall of the tank body.

Preferably, the steam chamber also comprises a pressure sensor and a steam temperature sensor, wherein the pressure sensor and the steam temperature sensor are both arranged in the steam chamber.

Preferably, the device also comprises a clear water temperature sensor, wherein the clear water temperature sensor is arranged in the inner cavity of the tank body.

Preferably, the heat exchange tube is a straight tube or a spiral tube.

Preferably, the tank body is also provided with a water inlet and a water outlet.

Preferably, the water inlet and the water outlet are both higher than the communication part between the water outlet pipe and the tank body.

Preferably, a plurality of cooling fins are arranged on the tank body and/or the condensate pipe.

The utility model has the following beneficial effects:

the water in the tank body returns to the tank body again after passing through the pipeline pump and the ejector in sequence, and the water forms high jet flow through the ejector, so that negative pressure is generated, steam in the steam inlet pipe can be pumped, the fluidity of the steam is improved, and the condensation efficiency is further improved. The utility model only needs to fill water in the initial stage of use, water is not needed to be added in the subsequent stage, the condensed water can supplement water loss in the tank body, and the water in the tank body can also play a certain role in cooling the heat exchanger, so that the energy is saved.

Drawings

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

Fig. 2 is a cross-sectional view of the tank and heat exchanger.

Fig. 3 is a schematic view of another view of fig. 2.

Main component symbol description:

the water tank comprises a tank body 10, a water inlet 11, a water outlet 12, a first mounting port 13, a second mounting port 14 and a third mounting port 15;

a water inlet pipe 21, a water outlet pipe 22, a condensate pipe 23 and a steam inlet pipe 24;

a pipe pump 30;

a jet device 40;

the heat exchanger comprises a first orifice plate 51, a second orifice plate 52, a shell 53, heat exchange tubes 54, a refrigerant inlet 55 and a refrigerant outlet 56.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1 to 3, the present utility model discloses a condensing apparatus, which comprises a tank 10, a heat exchanger, a pipe pump 30, an ejector 40, a steam inlet pipe 24, a condensate pipe 23, an inlet pipe 21, an outlet pipe 22, a pressure sensor, a steam temperature sensor, and a clear water temperature sensor.

The upper end of the tank body 10 is provided with a water inlet and a water outlet 12 for adding water and discharging redundant water, and the water inlet and the water outlet 12 can ensure that the water quantity in the tank body 10 is kept relatively constant. One end of the water inlet pipe 21 is communicated with the bottom of the tank body 10, the other end is communicated with the inlet of the pipeline pump 30, the outlet pipeline of the pipeline pump 30 is communicated with the inlet of the ejector 40, the outlet of the ejector 40 is communicated with one end of the water outlet pipe 22, and the other end of the water outlet pipe 22 is communicated with the upper end of the tank body 10. The connection between the outlet pipe 22 and the tank 10 is required to be lower than the water inlet and the water outlet 12.

The heat exchanger is disposed in the tank 10 and comprises a first orifice plate 51, a second orifice plate 52, a shell 53 and at least one heat exchange tube 54, wherein the first orifice plate 51 and the inner wall of the tank 10 or the inner wall of the shell 53 are matched to form a steam cavity, preferably the steam cavity, and the edge of the first orifice plate 51 is in sealing connection (such as welding) with the inner wall of the tank 10, so that the heat exchanger can be fixed through the first orifice plate 51. The steam inlet pipe 24 communicates with the steam chamber. The second orifice plate 52 is disposed in the housing 53, and the second orifice plate 52 and the inner wall of the housing 53 are combined to form a condensation chamber, one end of the condensation water pipe 23 is communicated with the condensation chamber, and the other end is communicated with the outlet of the pipeline pump 30. The heat exchanging tube 54 is interposed between the first orifice plate 51 and the second orifice plate 52, and the heat exchanging tube 54 communicates the vapor chamber and the condensing chamber, and the heat exchanging tube 54 may be a straight tube for easy installation or a spiral tube for enhancing the condensing effect. In order to alleviate the influence of the residual heat of the condensed water, a plurality of cooling fins may be arranged on the tank 10 and/or the condensed water pipe 23 (metal pipe is selected).

The first orifice plate 51, the second orifice plate 52, the heat exchange tube 54 and the shell 53 cooperate to enclose a refrigerant cavity, and the refrigerant cavity is not communicated with the steam cavity, the condensation cavity and the inner cavity of the tank 10. The lower end of the refrigerant cavity is provided with a refrigerant inlet 55 communicated with the outside of the tank body 10, and the upper end of the refrigerant cavity is provided with a refrigerant outlet 56 communicated with the outside of the tank body 10. The refrigerant, i.e. the cooling medium, can be a special cooling liquid, and the refrigerant inlet 55 and the refrigerant outlet 56 can be connected with the existing circulating cooling system to form circulating cooling.

The pressure sensor and the steam temperature sensor are both arranged in the steam cavity and are used for detecting the pressure and the temperature of steam.

The clear water temperature sensor is arranged in the inner cavity of the tank body 10 and is used for detecting the water temperature in the tank body 10. The tank 10 is provided with a first mounting opening 13 for facilitating the mounting of the pressure sensor, a second mounting opening 14 for facilitating the mounting of the steam temperature sensor, and a third mounting opening 15 for facilitating the mounting of the clear water temperature sensor.

The pipeline pump 30 promotes the water circulation in the tank body 10, the inlet of the ejector 40 is large, the outlet is small, high jet flow can be generated, so that a venturi effect is formed, negative pressure can be generated in the condensate pipe 23, condensate water can be further pumped into the water outlet pipe 22, meanwhile, the negative pressure in the condensate pipe 23 can also drive steam to flow, the fluidity of the steam is improved, and the condensation efficiency is further improved. Because the heat exchanger can be mostly placed in water in the tank body 10, the heat exchanger can play a certain role in cooling, and the temperature rise of the refrigerant is delayed, so that two purposes are achieved. Through the arrangement of the pressure sensor, the steam temperature sensor and the clear water temperature sensor, relevant condensation parameters can be fed back in real time, and the sensors, the refrigerant circulating system and the pipeline pump 30 can form a closed-loop control system so as to realize automatic control. The water inlet 11 can be connected with a tap water pipe and is controlled by an electric control valve, so that clean water can automatically form a cooling cycle.

Before the utility model is used, tap water is filled through the water inlet 11 until the tap water overflows from the water outlet 12. In the use process, tap water does not need to be added, and the condensed water can completely supplement water loss caused by factors such as volatilization and the like. The temperature of the refrigerant and the start-stop state of the pipeline pump 30 are controlled by the sensor, so that the temperature control is more accurate, and the energy conservation is facilitated.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A condensing unit, characterized by: comprises a tank body, a heat exchanger, a pipeline pump, an ejector, a steam inlet pipe, a condensed water pipe, a water inlet pipe and a water outlet pipe; one end of the water inlet pipe is communicated with the bottom of the tank body, and the other end of the water inlet pipe is communicated with the inlet of the pipeline pump; the outlet of the pipeline pump is communicated with one end of a water outlet pipe through an ejector, and the other end of the water outlet pipe is communicated with the upper end of the tank body; the heat exchanger is arranged in the tank body, the steam inlet pipe is communicated with the upper end of the heat exchanger, one end of the condensate pipe is communicated with the bottom of the heat exchanger, and the other end of the condensate pipe is communicated with the outlet of the pipeline pump.

2. A condensing unit according to claim 1, characterized by: the heat exchanger comprises a first pore plate, a second pore plate, a shell and at least one heat exchange tube, wherein the first pore plate is matched with the inner wall of the tank body or the inner wall of the shell to form a steam cavity, and the steam inlet tube is communicated with the steam cavity; the second pore plate is matched with the inner wall of the shell to form a condensation cavity, and the condensation water pipe is communicated with the condensation cavity; the heat exchange tube is arranged between the first pore plate and the second pore plate, and is communicated with the steam cavity and the condensation cavity; the first pore plate, the second pore plate, the heat exchange tube and the shell are matched to form a refrigerant cavity, the lower end of the refrigerant cavity is provided with a refrigerant inlet communicated with the outside of the tank body, and the upper end of the refrigerant cavity is provided with a refrigerant outlet communicated with the outside of the tank body.

3. A condensing unit according to claim 2, characterized by: the edge of the first pore plate is in sealing connection with the inner wall of the tank body.

4. A condensing unit according to claim 2, characterized by: the steam chamber is characterized by further comprising a pressure sensor and a steam temperature sensor, wherein the pressure sensor and the steam temperature sensor are both arranged in the steam chamber.

5. A condensing unit according to claim 2, characterized by: the device also comprises a clear water temperature sensor which is arranged in the inner cavity of the tank body.

6. A condensing unit according to claim 2, characterized by: the heat exchange tube is a straight tube or a spiral tube.

7. A condensing unit according to claim 1, characterized by: the tank body is also provided with a water inlet and a water outlet.

8. A condensing unit according to claim 7, characterized by: the water inlet and the water outlet are both higher than the communication part between the water outlet pipe and the tank body.

9. The condensing unit of claim 1, wherein: and a plurality of cooling fins are arranged on the tank body and/or the condensate pipe.