CN215217341U

CN215217341U - Cleaning device of evaporator

Info

Publication number: CN215217341U
Application number: CN202120069739.3U
Authority: CN
Inventors: 陈文英; 黄柳惠; 万磊
Original assignee: Suzhou Dingchang Energy Saving Environmental Protection Technology Co ltd
Current assignee: Suzhou Dingchang Energy Saving Environmental Protection Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-12-17
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to a cleaning device of an evaporator, which comprises a separator, a demister washing device, a diaphragm cleaning device and a controller arranged outside the separator; the top end of the separator is provided with a flushing port, and the demister flushing device is arranged at the flushing port; a demister group is arranged in the separator, a first pressure monitoring port and a second pressure monitoring port are arranged on the side wall of the separator, and the second pressure monitoring port is inclined upwards; the first pressure monitoring port and the second pressure monitoring port are respectively positioned at the upper side and the lower side of the demister group; a first cut-off valve is arranged at the first pressure monitoring port, and a first pressure sensing unit is arranged at one end, far away from the separator, of the first cut-off valve; a second stop valve is arranged at the second pressure monitoring port, a second pressure sensing unit is arranged at one end, far away from the separator, of the second stop valve, and the diaphragm cleaning device is arranged between the second stop valve and the second pressure sensing unit; this practicality has realized the self-cleaning of evaporimeter, low cost has improved the life-span of evaporimeter.

Description

Cleaning device of evaporator

Technical Field

The utility model relates to a belt cleaning device of evaporimeter belongs to the belt cleaning device field.

Background

The evaporator transfers heat energy of a heat source to an evaporated medium, and the evaporated medium is gasified and evaporated after being heated on the evaporation heat exchange surface; the demister often takes the form of a direct installation on top of the evaporator; the existing evaporator mostly uses a double-flange liquid level transmitter, when an evaporation system with crystals or sludge such as high-salinity wastewater is treated, crystals or sludge separated out in the evaporation process can be attached to a diaphragm of the differential pressure transmitter, and the diaphragm is easy to block, so that the measurement accuracy is seriously influenced; after the demister is used for a long time, impurities contained in the demister per se are increased, and the purification effect is influenced, so that the demister needs to be cleaned; but the use process of the demister can not timely know whether the demister is blocked or not in real time and timely clean the demister.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough belt cleaning device that provides an evaporimeter of prior art, realized the self-timing washing of evaporimeter.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cleaning device of an evaporator comprises a separator, a demister flushing device, a membrane cleaning device and a controller arranged outside the separator; the top end of the separator is provided with a flushing port, and the demister flushing device is arranged at the flushing port; a demister group is arranged in the separator, a first pressure monitoring port and a second pressure monitoring port are arranged on the side wall of the separator, and the second pressure monitoring port is inclined upwards; the first pressure monitoring port and the second pressure monitoring port are respectively positioned at the upper side and the lower side of the demister group; a first cut-off valve is arranged at the first pressure monitoring port, and a first pressure sensing unit is arranged at one end, far away from the separator, of the first cut-off valve; a second stop valve is arranged at the second pressure monitoring port, a second pressure sensing unit is arranged at one end, far away from the separator, of the second stop valve, and the diaphragm cleaning device is arranged between the second stop valve and the second pressure sensing unit (10); and a differential pressure transmitter is connected between the first pressure sensing unit and the second pressure sensing unit.

Preferably, the second pressure monitoring port forms an inclination angle with the horizontal plane, and the inclination angle is 10-20 degrees.

Preferably, the membrane cleaning device comprises a straight pipe, a cleaning pipeline and a cleaning spray head; the both ends of straight tube respectively with second trip valve and second pressure sensing unit (10) flange joint, wash the pipeline with wash the water inlet of shower nozzle and be connected, wash the shower nozzle of shower nozzle towards the diaphragm of second pressure sensing unit (10), be equipped with the cleaning valve on the washing pipeline.

Preferably, the demister flushing device comprises a flushing nozzle, a flushing pipeline and a flushing valve; the flushing valve is arranged on the flushing pipeline, and a water outlet of the flushing pipeline is connected with a water inlet flange on the flushing nozzle; the flushing nozzle is movably connected with the flushing port, and the nozzle of the flushing nozzle faces the demister group.

Preferably, the number of the flushing ports is the same as that of the flushing nozzles, and at least one flushing nozzle is provided.

Preferably, the demister group comprises a baffle demister and a wire mesh demister, and the baffle demister is positioned above the wire mesh demister.

Preferably, the separator is movably connected with the baffle plate demister and the wire mesh demister.

Preferably, the controller is respectively connected with the first pressure sensing unit, the second pressure sensing unit, the first cut-off valve, the second cut-off valve, the cleaning valve and the flushing valve.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

according to the cleaning device for the evaporator, the second pressure monitoring port is inclined upwards by 15 degrees and additionally provided with the second stop valve, so that the adhesion of solid particles is reduced fundamentally, and the cleaning at the later stage is facilitated; when the demister group is blocked, the first pressure monitoring port and the second pressure monitoring port form a pressure difference, so that the controller can judge the internal blocking condition of the demister group; the utility model realizes the timing cleaning of the diaphragm of the second pressure sensing unit (10), improves the measuring accuracy, and avoids the damage of equipment or system caused by crystal or sludge accumulation; the automatic cleaning of the foam remover group by the cleaning component avoids the frequent disassembly of the foam remover group, thereby greatly saving labor force; the utility model has the advantages of simple structure, low manufacturing cost, convenient cleaning and prolonged service life of the evaporator.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a schematic structural view of a cleaning device for an evaporator according to the present invention;

fig. 2 is a schematic structural view of a membrane cleaning device of an evaporator according to the present invention;

wherein: 1. a separator; 2. a demister flushing device; 3. a membrane cleaning device; 4. a demister group; 5. a first pressure monitoring port; 6. a second pressure monitoring port; 7. a first shut-off valve; 8. a second shut-off valve; 9. a first pressure sensing unit; 10. a second pressure sensing unit; 11. a differential pressure transmitter; 12. a straight pipe; 13. cleaning a pipeline; 14. cleaning the spray head; 15. cleaning the valve; 16. washing the spray head; 17. flushing the pipeline; 18. a flush valve; 19. a baffle demister; 20. a wire mesh demister.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the cleaning device of the evaporator comprises a separator 1, a demister flushing device 2, a membrane cleaning device 3 and a controller arranged outside the separator 1; the top end of the separator 1 is provided with a flushing port, and the demister flushing device 2 is arranged at the flushing port; the demister flushing device 2 comprises a flushing nozzle 16, a flushing pipeline 17 and a flushing valve 18; the flushing valve 18 is arranged on the flushing pipeline 17, and a water outlet of the flushing pipeline 17 is connected with a water inlet flange on the flushing nozzle 16; the spray head of the washing spray head 16 faces the demister group 4; the washing nozzle 16 is movably connected with the washing port, and the number of the washing nozzle 16 and the number of the washing port are two; the washing nozzle 16 comprises an atomizing cavity and an atomizing nozzle; one end of the atomizing nozzle, which is far away from the water inlet, penetrates through the separator 1 and is connected with the atomizing nozzle, and the atomizing nozzle sprays in an oblique downward direction; a demister group 4 is arranged in the separator 1, the demister group 4 comprises a baffle plate demister 19 and a wire mesh demister 20, the baffle plate demister 19 is positioned above the wire mesh demister 20, and the separator 1 is movably connected with the baffle plate demister 19 and the wire mesh demister 20; the side wall of the separator 1 is provided with a first pressure monitoring port 5 and a second pressure monitoring port 6, the second pressure monitoring port 6 inclines upwards and forms an inclination angle with the horizontal plane, and the inclination angle is 15 degrees; the first pressure monitoring port 5 and the second pressure monitoring port 6 are respectively positioned at the upper side and the lower side of the demister group 4, and the second pressure monitoring port 6 is positioned at the lower part of the separator 1; a first cut-off valve 7 is arranged at the first pressure monitoring port 5, and a first pressure sensing unit 9 is arranged at one end, far away from the separator 1, of the first cut-off valve 7; a second stop valve 8 is arranged at the second pressure monitoring port 6, a second pressure sensing unit 10 is arranged at one end, far away from the separator 1, of the second stop valve 8, and the diaphragm cleaning device 3 is arranged between the second stop valve 8 and the second pressure sensing unit (10); a differential pressure transmitter 11 is connected between the first pressure sensing unit 9 and the second pressure sensing unit 10;

as shown in fig. 2, the membrane cleaning device 3 comprises a straight pipe 12, a cleaning pipeline 13 and a cleaning spray head 14; two ends of the straight pipe 12 are respectively connected with a second stop valve 8 and a second pressure sensing unit (10) through flanges, the cleaning pipeline 13 is connected with a water inlet of the cleaning spray head 14, the spray head of the cleaning spray head 14 faces a diaphragm of the second pressure sensing unit (10), and a cleaning valve 15 is arranged on the cleaning pipeline 13; the cleaning spray head 14 comprises an atomizing cavity and an atomizing nozzle, and the atomizing cavity is of a circular truncated cone structure with the inner diameter gradually reduced; the water inlet is arranged at one end with larger inner diameter of the atomization cavity, and the atomization nozzle is arranged at one end with smaller inner diameter of the atomization cavity; the controller is respectively connected with the first pressure sensing unit 9, the second pressure sensing unit 10, the first cut-off valve 7, the second cut-off valve 8, the cleaning valve 15 and the flushing valve 18; when the controller receives an instruction or the pressure difference between the first pressure monitoring port 5 and the second pressure monitoring port 6 reaches a set value, the cleaning valve 15 and the flushing valve 18 are controlled to start cleaning, and the cleaning is stopped after the cleaning time reaches the set cleaning time.

In the cleaning device for the evaporator, the second pressure monitoring port 6 is inclined upwards by 15 degrees and is provided with the second stop valve 8, so that the adhesion of solid particles is reduced fundamentally, and the cleaning at the later stage is facilitated; when the demister group 4 is blocked, the first pressure monitoring port 5 and the second pressure monitoring port 6 form a pressure difference, so that the controller can judge the internal blocking condition of the demister group 4; the utility model realizes the timing cleaning of the diaphragm of the second pressure sensing unit (10), improves the measuring accuracy, and avoids the damage of equipment or system caused by crystal or sludge accumulation; the automatic cleaning of the foam remover group 4 by the cleaning component avoids the frequent disassembly of the foam remover group 4, thereby greatly saving labor force; the utility model has the advantages of simple structure, low manufacturing cost, convenient cleaning and prolonged service life of the evaporator.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. A cleaning device of an evaporator is characterized in that: comprises a separator (1), a demister flushing device (2), a membrane cleaning device (3) and a controller arranged outside the separator (1); the top end of the separator (1) is provided with a flushing port, and the demister flushing device (2) is arranged at the flushing port; a demister group (4) is arranged in the separator (1), a first pressure monitoring port (5) and a second pressure monitoring port (6) are arranged on the side wall of the separator (1), and the second pressure monitoring port (6) inclines upwards; the first pressure monitoring port (5) and the second pressure monitoring port (6) are respectively positioned at the upper side and the lower side of the demister group (4); a first cut-off valve (7) is arranged at the first pressure monitoring port (5), and a first pressure sensing unit (9) is arranged at one end, far away from the separator (1), of the first cut-off valve (7); a second stop valve (8) is arranged at the second pressure monitoring port (6), a second pressure sensing unit (10) is arranged at one end, far away from the separator (1), of the second stop valve (8), and the diaphragm cleaning device (3) is arranged between the second stop valve (8) and the second pressure sensing unit (10); and a differential pressure transmitter (11) is connected between the first pressure sensing unit (9) and the second pressure sensing unit (10).

2. A cleaning device for an evaporator according to claim 1, wherein: the second pressure monitoring port (6) and the horizontal plane form an inclination angle, and the inclination angle is 10-20 degrees.

3. A cleaning device for an evaporator according to claim 1, wherein: the membrane cleaning device (3) comprises a straight pipe (12), a cleaning pipeline (13) and a cleaning spray head (14); the both ends of straight tube (12) respectively with second trip valve (8) and second pressure sensing unit (10) flange joint, wash pipeline (13) with wash the water inlet of shower nozzle (14) and be connected, wash the shower nozzle of shower nozzle (14) towards the diaphragm of second pressure sensing unit (10), be equipped with cleaning valve (15) on washing pipeline (13).

4. A cleaning device for an evaporator according to claim 3, wherein: the demister flushing device (2) comprises a flushing spray head (16), a flushing pipeline (17) and a flushing valve (18); the flushing valve (18) is arranged on a flushing pipeline (17), and a water outlet of the flushing pipeline (17) is connected with a water inlet flange on the flushing nozzle (16); the spray head of the washing spray head (16) faces the demister group (4).

5. The cleaning device for an evaporator according to claim 4, wherein: the number of the flushing openings is the same as that of the flushing nozzles (16), and at least one flushing nozzle (16) is arranged.

6. A cleaning device for an evaporator according to claim 1, wherein: the demister group (4) comprises a baffle plate demister (19) and a wire mesh demister (20), wherein the baffle plate demister (19) is positioned above the wire mesh demister (20).

7. The cleaning device for an evaporator according to claim 6, wherein: the separator (1) is movably connected with the baffle plate demister (19) and the wire mesh demister (20).

8. The cleaning device for an evaporator according to claim 5, wherein: the controller is respectively connected with the first pressure sensing unit (9), the second pressure sensing unit (10), the first cut-off valve (7), the second cut-off valve (8), the cleaning valve (15) and the flushing valve (18).