CN216115474U - Antifouling stifled type sewage low temperature multistage flash distillation device - Google Patents

Antifouling stifled type sewage low temperature multistage flash distillation device Download PDF

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CN216115474U
CN216115474U CN202121854825.1U CN202121854825U CN216115474U CN 216115474 U CN216115474 U CN 216115474U CN 202121854825 U CN202121854825 U CN 202121854825U CN 216115474 U CN216115474 U CN 216115474U
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flash evaporation
sewage
pipe
heat exchanger
evaporation device
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林桂杰
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Omexell Jinan Heat Transfer Technology Co ltd
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Omexell Jinan Heat Transfer Technology Co ltd
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Abstract

The application discloses an antifouling and blocking type sewage low-temperature multistage flash evaporation device which comprises a flash evaporation device, wherein the flash evaporation device comprises a plurality of flash evaporation cavities, and the flash evaporation cavities are used for decomposing sewage into steam and residual water through flash evaporation; the flash evaporation device comprises a plurality of heat exchanger groups, wherein at least two heat exchangers are arranged in each heat exchanger group, a hot fluid channel and a cold fluid channel are arranged in each heat exchanger, and a flash evaporation cavity is communicated with the hot fluid channels; the heating water heat exchange tube is communicated with the cold fluid channel; the condensed water recycling pipe is communicated with the hot fluid channel; the heating water heat exchange tubes connect cold fluid channels in parallel in the heat exchanger groups, and connect the cold fluid channels in series between the heat exchanger groups; the condensed water channel connects the hot fluid channels in series. The flash distillation turns into steam and surplus water with sewage, sends into the heat exchanger with steam again and carries out the heat transfer, and impurity etc. in this kind of mode then has avoided in the sewage are stored up and are blockked up heat exchanger and relevant pipeline, guarantee the long-term steady operation of equipment, are favorable to promoting sewage treatment efficiency.

Description

Antifouling stifled type sewage low temperature multistage flash distillation device
Technical Field
The utility model belongs to the technical field of sewage treatment equipment, and particularly relates to an antifouling and blocking type sewage low-temperature multistage flash evaporation device.
Background
Along with the development of science and technology and attach importance to the environmental protection, current industrial sewage has obtained extensive management, at the in-process to industrial sewage treatment, current combination formula industrial sewage treatment device is when using, can carry out waste heat recovery processing in directly sending into the heat exchanger with sewage usually, nevertheless there are all kinds of solid impurity in the sewage usually, can store up a large amount of impurity in heat exchanger and the corresponding pipeline in the long-term treatment process, and then lead to heat exchanger and corresponding pipeline to block up and influence the normal clear of treatment process, be unfavorable for the processing of industrial sewage.
In addition, most medium inlets and outlets of the heat exchanger applied in the prior art have the same caliber, and when the heat exchanger faces the situation of liquid and steam heat exchange, the throughput of the steam is limited by the caliber size of the medium inlet and outlet, so that the heat exchange efficiency is low.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
SUMMERY OF THE UTILITY MODEL
The utility model provides an antifouling and blocking type sewage low-temperature multistage flash evaporation device, which aims to solve at least one technical problem of the technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides an antifouling and blocking type sewage low-temperature multistage flash evaporation device which comprises a flash evaporation device, wherein the flash evaporation device comprises a plurality of flash evaporation cavities, and the flash evaporation cavities are used for decomposing sewage into steam and residual water through flash evaporation; the flash evaporation device comprises a plurality of heat exchanger groups, wherein at least two heat exchangers are arranged in each heat exchanger group, a hot fluid channel and a cold fluid channel are arranged in each heat exchanger, and the flash evaporation cavity is communicated with the hot fluid channels; the heating water heat exchange tube is communicated with the cold fluid channel; a condensate water recycling pipe communicated with the hot fluid channel; the heating water heat exchange tubes connect the cold fluid channels in parallel in the heat exchanger groups, and connect the cold fluid channels in series between the heat exchanger groups; the condensed water channel connects the hot fluid channels in series.
As a preferred embodiment of the present invention, the present invention further comprises a vacuum pump and a negative pressure pipeline, wherein the negative pressure pipeline is respectively communicated with the vacuum pump and the condensed water recycling pipe.
As a preferred embodiment of the present invention, both ends of the hot fluid channel are respectively provided with a hot inlet and a hot outlet, and both ends of the cold fluid channel are respectively provided with a cold inlet and a cold outlet; the heating water heat exchange pipe comprises a water inlet pipe and a water return pipe, the cold inlet is connected in parallel through the water inlet pipe, and the cold outlet is connected in parallel through the water return pipe in the heat exchanger group; between two adjacent heat exchange sets, the water return pipe of the previous heat exchange set is communicated with the water inlet pipe of the next heat exchange set.
As a preferred embodiment of the present invention, the present invention further comprises a condensed water collecting tank, and the condensed water collecting tank is respectively communicated with the condensed water recycling pipe and the negative pressure pipeline.
As a preferred embodiment of the present invention, the flash evaporation device comprises a plurality of short steam discharge pipes, one end of each short steam discharge pipe is communicated with the flash evaporation chamber, and the other end of each short steam discharge pipe is communicated with the heat inlet.
As a preferred embodiment of the utility model, one end of the steam exhaust short pipe close to the hot inlet is provided with a water return inclined plane; and a hydrophobic membrane is also arranged in the steam exhaust short pipe.
As a preferred embodiment of the utility model, both ends of the flash evaporation device are respectively provided with a sewage inlet and a sewage outlet, the sewage outlet is connected with a sewage pipeline, the sewage pipeline is provided with a sewage pump and a damping throat, and the damping throat is arranged on both sides of the sewage pump.
As a preferred embodiment of the present invention, the sewage draining pipeline is connected in parallel with the condensed water recycling pipe through a bypass pipe, and the condensed water recycling pipe is provided with a condensed water recycling pump; the negative pressure pipeline comprises two outlet end pipelines which are connected in parallel, and two vacuum pumps are respectively arranged on the two outlet end pipelines.
In a preferred embodiment of the present invention, a gate valve is provided on the bypass pipe; check valves are arranged on the sewage discharge pipeline and the condensed water recycling pipe; the water inlet pipe and the water return pipe are also provided with a flowmeter and a thermometer; a pressure gauge is arranged in the negative pressure pipeline; and a temperature and pressure integrated body surface is arranged in the flash evaporation cavity.
As a preferred embodiment of the present invention, the present invention further comprises a controller, and the controller is respectively connected to the sewage pump, the vacuum pump, the condensate recovery pump, the gate valve, the check valve, the flow meter, the thermometer, the pressure gauge, and the temperature and pressure integrated gauge.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. compare in prior art with the mode that carries out waste heat recovery in sending into the heat exchanger with industrial sewage, antifouling stifled type sewage low temperature multistage flash distillation device in this application at first turns into steam and waste water with sewage through the flash distillation, sends into steam again and carries out the heat transfer in the heat exchanger, and impurity in this kind of mode then has been avoided in the sewage etc. deposits and blocks up heat exchanger and relevant pipeline, guarantees the long-term steady operation of equipment, is favorable to promoting sewage treatment efficiency.
2. As a preferred embodiment of the present application, the heating water heat exchange tubes connect the cold fluid channels in parallel in the heat exchanger banks, and connect the cold fluid channels in series between the heat exchanger banks; the condensed water channel connects the hot fluid channels in series. Compared with the simple mode that the heat exchangers are sequentially connected in series between the heating water heat exchange pipe and the condensate water channel, the arrangement mode can realize the step-by-step heat exchange from low temperature to high temperature, is favorable for improving the heat exchange efficiency and is favorable for saving water resources.
3. As an optimal implementation mode of the application, the setting of the flow meter, the thermometer and the controller greatly improves the automation degree of the equipment, facilitates the relevant workers to master and adjust the working condition of the equipment in real time, is favorable for reducing the labor intensity and saves the labor cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a process diagram of an antifouling and blocking type sewage low-temperature multistage flash evaporation device;
FIG. 2 is a schematic structural diagram of an antifouling and blocking type sewage low-temperature multistage flash evaporation device;
FIG. 3 is a schematic view of a pipeline structure of an antifouling and blocking type sewage low-temperature multi-stage flash evaporation device.
Wherein the content of the first and second substances,
1, a flash evaporation device, 11 flash evaporation cavities, 12 steam exhaust short pipes, 13 hydrophobic membranes, 14 water return inclined planes, 15 sewage inlet ports, 16 sewage outlet ports, 17 sewage discharge pipelines, 171 sewage pumps and 172 damping throats;
2, a heat exchanger, 21 a hot inlet, 22 a hot outlet, 23 a cold inlet and 24 a cold outlet;
3 heating water heat exchange pipe, 31 water inlet pipe, 32 water return pipe;
41 condensed water recycling pipes and 42 condensed water collecting tanks;
51 vacuum pump, 52 negative pressure pipeline;
6, a bypass pipe;
71 check valve, 72 gate valve;
81 flow meter, 82 temperature meter, 83 pressure meter.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1-3, the utility model provides an antifouling and blocking type sewage low-temperature multistage flash evaporation device 1, which comprises a flash evaporation device 1, wherein the flash evaporation device 1 comprises a plurality of flash evaporation cavities 11, and the flash evaporation cavities 11 are used for decomposing sewage into steam and residual water through flash evaporation; the flash evaporation device comprises a plurality of heat exchanger 2 groups, wherein at least two heat exchangers 2 are arranged in each heat exchanger 2 group, a hot fluid channel (not shown in the figure) and a cold fluid channel (not shown in the figure) are arranged in each heat exchanger 2, and the flash evaporation cavity 11 is communicated with the hot fluid channels; the heating water heat exchange tube 3 is communicated with the cold fluid channel; the condensed water recycling pipe 41, the condensed water recycling pipe 41 is communicated with the hot fluid channel; the heating water heat exchange tubes 3 connect cold fluid channels in parallel in the heat exchanger 2 groups, and connect the cold fluid channels in series between the heat exchanger 2 groups; the condensed water channel connects the hot fluid channels in series.
Compare in prior art with the mode that carries out waste heat recovery in sending into heat exchanger 2 with industrial sewage, antifouling stifled type sewage low temperature multistage flash distillation plant 1 in this application at first turns into steam and waste water with sewage through the flash distillation, sends into heat exchanger 2 with steam again and carries out the heat transfer, and impurity etc. in this kind of mode then has been avoided in the sewage are stored up and are blockked up heat exchanger 2 and relevant pipeline, guarantee the long-term steady operation of equipment, are favorable to promoting sewage treatment efficiency.
It should be noted that, in the present application, the number of the flash evaporation chambers 11 and the number of the heat exchangers 2 are not specifically limited, and in a specific example, as shown in fig. 2 and 3, 5 flash evaporation chambers 11 are provided, and 5 heat exchangers 2 are correspondingly provided. Of course, the number of the flash chamber 11 and the heat exchanger 2 can be adjusted adaptively according to actual requirements.
It should also be noted that, in the present application, the communication mode between the heating water heat exchange tube 3 and the heat exchanger 2 and the communication mode between the condensed water recycling tube 41 and the heat exchanger 2 are not specifically limited, and the heat exchanger 2 may also be directly connected in series to the heating water heat exchange tube 3 through a cold fluid channel.
Further, referring to fig. 1, the anti-fouling and blocking type sewage low-temperature multi-stage flash evaporation device 1 further includes a vacuum pump 51 and a negative pressure pipeline 52, wherein the negative pressure pipeline 52 is respectively communicated with the vacuum pump 51 and the condensed water recycling pipe 41. Vacuum pump 51 and negative pressure pipeline 52 are used for forming the negative pressure environment in equipment inside, make things convenient for going on of flash distillation process on the one hand, and on the other hand also provides power for steam, promotes the flow efficiency of steam and then promotes heat exchange efficiency.
Further, as described with reference to fig. 3, both ends of the hot fluid channel are respectively provided with a hot inlet 21 and a hot outlet 22, and both ends of the cold fluid channel are respectively provided with a cold inlet 23 and a cold outlet 24; the heating water heat exchange pipe 3 comprises a water inlet pipe 31 and a water return pipe 32, in the heat exchanger 2 group, a cold inlet 23 is connected in parallel through the water inlet pipe 31, and a cold outlet 24 is connected in parallel through the water return pipe 32; between two adjacent heat exchange sets, the water return pipe 32 of the previous heat exchange set is communicated with the water inlet pipe 31 of the next heat exchange set. The heat capacity that this kind of mode of setting has fully considered water is bigger, can be abundant heat transfer step by step, avoids the heat exchange efficiency between the adjacent heat exchanger 2 low excessively and influence holistic heat exchange efficiency, also is favorable to practicing thrift the heating water simultaneously, reduces the waste of water resource.
In a preferred example, as described with reference to fig. 3, the hot inlet 21 and the hot outlet 22 are arranged diagonally, and the cold inlet 23 and the cold outlet 24 are arranged diagonally, which further prolongs the heat exchange stroke of the steam and the heating water in the heat exchanger 2, and is beneficial to improving the heat exchange efficiency, compared with the common same-side arrangement mode; meanwhile, as a preferred implementation manner of the embodiment of the present application, as shown by continuing to refer to fig. 2, the diameter of the hot inlet 21 is significantly larger than that of the cold inlet 23 and the cold outlet 24, and this arrangement is favorable for increasing the entering amount of the steam in unit time, so as to further increase the heat exchange efficiency.
It should be noted that the present application is not limited to the specific structure of the heat exchanger 2, and the above example is only a preferred embodiment of the present application, and the diameters of the hot inlet 21, the hot outlet 22, the cold inlet 23, and the cold outlet 24 may be set to be the same size.
Further, referring to fig. 1 and fig. 2, the anti-fouling and blocking type sewage low-temperature multi-stage flash evaporation device 1 in the present application is further provided with a condensed water collection tank 42, and the condensed water collection tank 42 is respectively communicated with a condensed water recycling pipe 41 and a negative pressure pipeline 52. The condensate water collecting tank 42 is convenient for the recovery and temporary storage of condensate water and the subsequent centralized recycling.
Further, referring to fig. 2, the flash evaporation device 1 comprises a plurality of steam discharge short pipes 12, one end of each steam discharge short pipe 12 is communicated with the flash evaporation cavity 11, and the other end is communicated with the heat inlet 21.
As a preferred embodiment of the present application, with continued reference to fig. 2, one end of the steam discharge short pipe 12 near the hot inlet 21 is provided with a water return inclined plane 14, and a water-repellent film 13 is further provided in the steam discharge short pipe 12. The water return inclined plane 14 is arranged at the lower part of the steam exhaust short pipe 12, and the water return inclined plane 14 extends towards the interior of the steam exhaust short pipe 12 along the edge of the hot inlet 21. The arrangement of the steam discharge short pipe 12 facilitates the connection of each stage of flash chamber 11 and subsequent process equipment, and the arrangement of the water return inclined plane 14 facilitates the collection of condensed water generated in the exhaust process back to the flash chamber 11 for flash operation again. The function of the hydrophobic membrane 13 is to allow only the low-temperature steam obtained by flash evaporation to pass through, but not the sewage water flow, thereby preventing the sewage water flow from directly entering the heat exchanger 2 through the steam discharge short pipe 12.
In the present application, the position and the manner of disposing the hydrophobic membrane 13 are not particularly limited. For example, the hydrophobic membrane 13 may be disposed at an end close to the heat inlet 21, an end close to the flash chamber 11, and the hydrophobic membrane 13 may be disposed at both ends of the steam discharging short pipe 12. The hydrophobic membrane 13 is only a preferred embodiment of the present invention, and other materials that can pass only the low-temperature steam obtained by flash evaporation and not the sewage water flow may be used, and the present invention is not limited to this.
Further, referring to fig. 1, a sewage inlet 15 and a sewage outlet 16 are respectively arranged at two ends of the flash evaporation device 1, a sewage pipeline 17 is connected to the sewage outlet 16, and a sewage pump 171 and a damping throat 172 are arranged on the sewage pipeline 17. As a preferred embodiment of the present application, with continued reference to fig. 1, a damping throat 172 is provided on both sides of the sewage pump 171. The damping throat 172 is beneficial to reducing the influence of the vibration generated by the sewage pump 171 in the working process on the sewage pipeline 17 and the flash evaporation device 1, is beneficial to improving the stability of the whole structure, and ensures the long-term stable operation of the equipment.
Further, as shown in fig. 1, the sewage draining pipeline 17 is connected in parallel with the condensed water recycling pipe 41 through the bypass pipe 6, and the condensed water recycling pipe 41 is provided with a condensed water recycling pump; the negative pressure pipeline 52 comprises two outlet end pipelines connected in parallel, and a vacuum pump 51 is respectively arranged on the two outlet end pipelines. The sewage discharge pipeline 17 and the condensed water recycling pipe 41 are connected in parallel at the outlet end and can be used for standby in an emergency state, so that the normal work of the whole equipment is prevented from being influenced by the faults of the sewage discharge pipeline 17 and the condensed water recycling pipe 41; two outlet end pipelines connected in parallel of the negative pressure pipeline 52 can be mutually standby, so that the maintenance is convenient, and the stable work of the equipment is ensured.
As a preferred embodiment of the present application, with continued reference to fig. 1, a gate valve 72 is provided on the bypass pipe 6; check valves 71 are arranged on the sewage draining pipeline 17 and the condensed water recycling pipe 41; the water inlet pipe 31 and the water return pipe 32 are also provided with a flow meter 81 and a thermometer 82; a pressure gauge 83 is arranged in the negative pressure pipeline 52; a temperature and pressure integrated body surface (not shown) is arranged in the flash chamber 11.
The arrangement of the check valve 71 can prevent sewage and condensed water from flowing back in a negative pressure environment, so that the normal work of the equipment is ensured, and the arrangement of the gate valve 72 is convenient for controlling the on-off of the bypass pipe 6; the setting of flowmeter 81, thermometer 82, manometer 83 and temperature pressure one body surface has made things convenient for relevant staff to master the operating mode of equipment in real time, conveniently implements the adjustment, is favorable to lifting means's work efficiency.
In a preferred embodiment of the present invention, the antifouling and blocking type sewage low-temperature multistage flash evaporation apparatus 1 of the present invention further comprises a controller (not shown in the figure), and the controller is connected to the sewage pump 171, the vacuum pump 51, the condensate recovery pump, the gate valve 72, the check valve 71, the flow meter 81, the thermometer 82, the pressure gauge 83, and the temperature and pressure integral gauge. The setting of controller has promoted the holistic degree of automation of equipment greatly, is favorable to reducing relevant staff's intensity of labour, is favorable to improving the security of work, practices thrift the human cost.
The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The low-temperature multistage sewage flash evaporation device for preventing pollution and blockage is characterized by comprising
The flash evaporation device comprises a plurality of flash evaporation cavities, and the flash evaporation cavities are used for decomposing the sewage into steam and residual water in a flash evaporation manner;
the flash evaporation device comprises a plurality of heat exchanger groups, wherein at least two heat exchangers are arranged in each heat exchanger group, a hot fluid channel and a cold fluid channel are arranged in each heat exchanger, and the flash evaporation cavity is communicated with the hot fluid channels;
the heating water heat exchange tube is communicated with the cold fluid channel;
a condensate water recycling pipe communicated with the hot fluid channel;
the heating water heat exchange tubes connect the cold fluid channels in parallel in the heat exchanger groups, and connect the cold fluid channels in series between the heat exchanger groups; the condensed water channel connects the hot fluid channels in series.
2. The low-temperature multistage flash evaporation device for antifouling and blocking sewage according to claim 1, further comprising a vacuum pump and a negative pressure pipeline, wherein the negative pressure pipeline is respectively communicated with the vacuum pump and the condensed water recycling pipe.
3. The low-temperature multistage flash evaporation device for antifouling and blocking sewage according to claim 2, wherein a hot inlet and a hot outlet are respectively arranged at two ends of the hot fluid channel, and a cold inlet and a cold outlet are respectively arranged at two ends of the cold fluid channel;
the heating water heat exchange pipe comprises a water inlet pipe and a water return pipe, the cold inlet is connected in parallel through the water inlet pipe, and the cold outlet is connected in parallel through the water return pipe in the heat exchanger group; between two adjacent heat exchange sets, the water return pipe of the previous heat exchange set is communicated with the water inlet pipe of the next heat exchange set.
4. The low-temperature multistage flash evaporation device for antifouling and blocking sewage according to claim 3, further comprising a condensed water collection tank, wherein the condensed water collection tank is respectively communicated with the condensed water recycling pipe and the negative pressure pipeline.
5. The low-temperature multistage flash evaporation device for antifouling and blocking sewage as claimed in claim 4, wherein the flash evaporation device comprises a plurality of steam discharge short pipes, one end of each steam discharge short pipe is communicated with the flash evaporation cavity, and the other end of each steam discharge short pipe is communicated with the hot inlet.
6. The low-temperature multistage flash evaporation device for antifouling and blocking sewage as claimed in claim 5, wherein one end of the steam discharge short pipe close to the hot inlet is provided with a water return inclined surface; and a hydrophobic membrane is also arranged in the steam exhaust short pipe.
7. The low-temperature multistage flash evaporation device for antifouling and blocking sewage as claimed in claim 5, wherein a sewage inlet and a sewage outlet are respectively arranged at two ends of the flash evaporation device, a sewage pipeline is connected to the sewage outlet, a sewage pump and a damping throat are arranged on the sewage pipeline, and the damping throat is arranged at two sides of the sewage pump.
8. The low-temperature multi-stage flash evaporation device for antifouling and blocking sewage as claimed in claim 7, wherein the sewage draining pipeline and the condensed water recycling pipe are connected in parallel through a bypass pipe, and a condensed water recycling pump is arranged on the condensed water recycling pipe; the negative pressure pipeline comprises two outlet end pipelines which are connected in parallel, and two vacuum pumps are respectively arranged on the two outlet end pipelines.
9. The low-temperature multi-stage flash evaporation device for antifouling and blocking sewage as claimed in claim 8, wherein a gate valve is arranged on the by-pass pipe; check valves are arranged on the sewage discharge pipeline and the condensed water recycling pipe; the water inlet pipe and the water return pipe are also provided with a flowmeter and a thermometer; a pressure gauge is arranged in the negative pressure pipeline; and a temperature and pressure integrated body surface is arranged in the flash evaporation cavity.
10. The low-temperature multistage flash evaporation device for antifouling and blocking sewage according to claim 9, further comprising a controller, wherein the controller is respectively connected with the sewage pump, the vacuum pump, the condensate recovery pump, the gate valve, the check valve, the flowmeter, the thermometer, the pressure gauge and the temperature-pressure integral gauge.
CN202121854825.1U 2021-08-10 2021-08-10 Antifouling stifled type sewage low temperature multistage flash distillation device Active CN216115474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121854825.1U CN216115474U (en) 2021-08-10 2021-08-10 Antifouling stifled type sewage low temperature multistage flash distillation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121854825.1U CN216115474U (en) 2021-08-10 2021-08-10 Antifouling stifled type sewage low temperature multistage flash distillation device

Publications (1)

Publication Number Publication Date
CN216115474U true CN216115474U (en) 2022-03-22

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