CN214308357U

CN214308357U - Cleaning device of seawater desalination device

Info

Publication number: CN214308357U
Application number: CN202120283200.8U
Authority: CN
Inventors: 韩全胜; 陈红亮; 沈海宁; 冯彦超; 曹蒙蒙; 杨林
Original assignee: Hebei Electric Power Changkai Industry And Trade Co ltd
Current assignee: Hebei Electric Power Changkai Industry And Trade Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-28
Anticipated expiration: 2031-02-01

Abstract

The utility model belongs to the technical field of belt cleaning device's technique and specifically relates to a belt cleaning device of sea water desalination device is related to, it includes the washing case that is used for storing the lotion, is used for carrying the conveyor of lotion and the switch board of control conveyor operation, wash the case and pass through the pipeline intercommunication with conveyor, conveyor and sea water desalination device's first order efficiency intercommunication, conveyor is connected with the switch board electricity, and this application has the in-process of wasing sea water desalination device, shortens the engineering time, reduces and washs the effect of the degree of difficulty and reduction dose.

Description

Cleaning device of seawater desalination device

Technical Field

The application relates to the technical field of cleaning devices, in particular to a cleaning device of a seawater desalination device.

Background

The seawater desalination device usually has multi-stage energy efficiency, and the basic process flow of seawater desalination is as follows: the seawater enters each level of energy efficiency in sequence by a water supply pump, the seawater is distilled and desalinated in sequence by each level of energy efficiency, the distilled fresh water steam is sent to a fresh water pool after being condensed, and the concentrated seawater is discharged to the sea through a brine tank.

After the seawater desalination device operates for a period of time, a large amount of salt scale can be formed on the outer wall of each level of the condensing tube with energy efficiency, one effect is the most serious in scale formation, the scale formation amount of other energy efficiencies is reduced in sequence, the scale formation amount is greatly lower than that of one level of the energy efficiency, the salt scale can influence the normal operation of each level of the energy efficiency, the operation cost is increased, and the water production efficiency of seawater desalination is reduced.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: generally, salt scale in the whole seawater desalination device is cleaned uniformly in the cleaning process, so that the construction time is prolonged, the dosage is increased, and the phenomenon of over-cleaning of energy efficiency except the first-level energy efficiency is caused, so that equipment is corroded.

SUMMERY OF THE UTILITY MODEL

In order to shorten the engineering time, reduce and wash the corruption and reduce the dose at the in-process of washing sea water desalination device, this application provides a sea water desalination device's belt cleaning device.

The technical scheme provided by the application is as follows: the cleaning device of the seawater desalination device comprises a cleaning box for storing washing liquor, a conveying device for conveying the washing liquor and a control cabinet for controlling the conveying device to operate, wherein the cleaning box is communicated with the conveying device through a pipeline, the conveying device is communicated with the first-stage energy efficiency of the seawater desalination device, and the conveying device is electrically connected with the control cabinet.

By adopting the technical scheme, the multi-effect seawater desalination device sprays seawater on the outer walls of the condensing tubes in the energy efficiency of each stage in a spraying mode, heating steam enters the condensing tubes in the first-stage energy efficiency to evaporate seawater, and the generated steam enters the condensing tubes in the second-stage energy efficiency as the heating steam and so on. Therefore, the steam pressure and the temperature of each later energy efficiency level are gradually reduced, so that the salt scale amount generated on the inner wall of the first energy efficiency level is the most, the salt can be relatively difficult to clean, and the salt scale of other energy efficiency levels is relatively less compared with that of the first energy efficiency level, and through experimental improvement, the salt scale of the first energy efficiency level is only subjected to acid cleaning, the same good cleaning effect can be achieved, the normal operation of the cleaned seawater desalination device is not influenced, and the good cleaning effect can be achieved by only cleaning the first energy efficiency level; during cleaning, the control cabinet is connected with a power supply, the control cabinet controls the conveying device to enable the conveying device to normally operate, the conveying device conveys cleaning liquid in the cleaning box to the interior of the first-stage energy efficiency of the seawater desalination device through the conveying device, the first-stage energy efficiency is cleaned, and salt scale in the interior of the first-stage energy efficiency is removed through acid cleaning.

Optionally, the conveying device has two sets.

By adopting the technical scheme, two sets of conveying devices are arranged, one set of conveying devices can be used and the other set of conveying devices can be quickly started for use when one set of conveying devices has an unexpected fault so as to be prepared for the need from time to time.

Optionally, the conveying device comprises a water pump and a motor, an output shaft of the motor is fixedly connected with an input shaft of the water pump, a water inlet of the water pump is communicated with the cleaning box through a water pipe, and a water outlet of the water pump is communicated with the first-stage energy efficiency of the seawater desalination device.

Through adopting above-mentioned technical scheme, the motor drives the water pump normal operating, and the water pump passes through the raceway will wash the incasement lotion suction water pump self in, afterwards, the water pump passes through the pipe-line transportation with the lotion to the sea water desalination device inside, carries out the pickling to the sea water desalination device, can improve the cleaning efficiency.

Optionally, the position of the pipeline communicated with the cleaning tank and the cleaning tank is close to the bottom of the cleaning tank.

Through adopting above-mentioned technical scheme, make the pipeline that communicates with the washing case and the bottom of wasing the case of the intercommunication position being close to the washing case, can take out the lotion of wasing the incasement entirely, the extension is at every turn to the cycle of wasing the incasement and supplying the lotion, improves the efficiency of wasing the operation.

Optionally, the conduit pipe is communicated with two water inlets which deviate from each other, and a valve is fixedly arranged in each water inlet.

Through adopting above-mentioned technical scheme, set up two water inlets, in some constrictive operation construction areas, can provide more selectivity, make things convenient for the pipeline to be connected with any one of them water inlet, with another valve close can, the expansion of convenient cleaning operation.

Optionally, the water pipe is in an inverted U shape.

Through adopting above-mentioned technical scheme, the raceway of the type of falling U can increase water pressure for the water pump, guarantees that the lotion in the pump case is the full state of notes, reduces the possibility that the water pump appears under-voltage.

Optionally, a one-way air valve is fixedly arranged at the top of the cleaning box.

Through adopting above-mentioned technical scheme, one-way air valve can keep rinsing the atmospheric pressure balance inside and outside the case constantly, makes the lotion that washs the incasement can be taken out by the water pump smoothly.

Optionally, a service valve is fixedly arranged in the water delivery pipe.

Through adopting above-mentioned technical scheme, when one of them set of conveyor broke down, need close the service valve, communicate pipeline and another set of conveyor, the back is closed to the service valve, and the lotion of keeping in the conveyer pipe can not the accident reveal, can keep the cleanness of construction area.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the same good cleaning effect can be achieved by only carrying out acid cleaning on the salt scale with the first-stage energy efficiency of the seawater desalination device, the normal operation of the seawater desalination device after cleaning is not influenced, the construction time can be shortened, the cleaning difficulty can be reduced, and the dosage can be reduced;

2. by arranging the two sets of conveying devices, the two sets of conveying devices can be used and prepared at one time, and when one set of conveying device has an unexpected fault, the other set of conveying device can be quickly started for preparing the need from time to time;

3. through setting up the raceway of the type of falling U, can increase water pressure for the water pump, guarantee that the lotion in the pump case is the full state of notes, reduce the possibility that the water pump appears under-voltage.

Drawings

FIG. 1 is a schematic structural diagram of a cleaning device of a seawater desalination apparatus according to an embodiment of the present application;

fig. 2 is a schematic view showing the structure of the transport apparatus.

Description of reference numerals: 1. a cleaning tank; 2. a conveying device; 21. a frame; 22. a water pump; 23. a motor; 3. a control cabinet; 4. a water delivery pipe; 41. a water inlet; 411. a valve; 42. a service valve; 5. a one-way air valve; 6. a seawater desalination device.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a cleaning device of a seawater desalination device, and with reference to fig. 1 and 2, the cleaning device of the seawater desalination device comprises a cleaning box 1 for storing washing liquor, a conveying device 2 for conveying the washing liquor and a control cabinet 3 for controlling the conveying device 2 to operate, wherein the conveying device 2 is provided with two sets, the cleaning box 1 is communicated with the conveying device 2 through a pipeline, the conveying device 2 is communicated with a first-stage energy efficiency of a seawater desalination device 6, and the conveying device 2 is electrically connected with the control cabinet 3; the position of the pipeline communicated with the cleaning tank 1 and the cleaning tank 1 is close to the bottom of the cleaning tank 1.

Referring to fig. 1 and 2, seawater enters a multi-stage energy efficiency from a first-stage energy efficiency, steam is used for distilling and desalinating the seawater, the steam firstly passes through the first-stage energy efficiency, and the steam pressure and the temperature of each stage of energy efficiency gradually decrease from beginning to end, so that the salt scale amount generated on the inner wall of the first-stage energy efficiency is the largest, salt can be relatively difficult to clean, and salt scales of other energy efficiencies are relatively few compared with those of the first-stage energy efficiency, through experimental improvement, the salt scale of the first-stage energy efficiency is only subjected to acid cleaning, the same good cleaning effect can be achieved, after the seawater desalination device 6 is cleaned, the normal operation of the seawater desalination device 6 is not affected, and therefore, the good cleaning effect can be achieved by cleaning the first-stage energy efficiency alone; during cleaning, the control cabinet 3 is powered on, the control cabinet 3 controls the conveying device 2 to enable the conveying device 2 to normally operate, the conveying device 2 conveys cleaning liquid in the cleaning box 1 to the interior of the first-stage energy efficiency of the seawater desalination device 6 through the conveying device 2 by virtue of a pipeline, the first-stage energy efficiency is pickled, and salt scale in the first-stage energy efficiency is pickled and removed; when one set of conveying device 2 has an unexpected fault, the other set of conveying device 2 can be started quickly for the need from time to time; the communication position of the pipeline communicated with the cleaning box 1 and the cleaning box 1 is close to the bottom of the cleaning box 1, so that all the cleaning solution in the cleaning box 1 can be pumped out, the period of replenishing the cleaning solution in the cleaning box 1 at each time is prolonged, and the cleaning operation efficiency is improved.

Referring to fig. 1 and 2, the conveying device 2 comprises a rack 21, a water pump 22 and a motor 23, the rack 21 is abutted against the ground, the motor 23 and the water pump 22 are both fixedly connected with the rack 21, an output shaft of the motor 23 is fixedly connected with an input shaft of the water pump 22, an inverted U-shaped water pipe 4 is communicated between a water inlet 41 of the water pump 22 and the cleaning box 1, and a water outlet of the water pump 22 is communicated with the first-stage energy efficiency of the seawater desalination device 6; the raceway 4 intercommunication has two water inlets 41 that deviate from each other, all is fixed in every water inlet 41 to be communicated with valve 411, and raceway 4 internal fixation communicates with maintenance valve 42.

Referring to fig. 1 and 2, the motor 23 drives the water pump 22 to normally operate, the water pump 22 pumps the washing liquid in the cleaning tank 1 into the water pump 22 through the water pipe 4, and then the water pump 22 conveys the washing liquid into the seawater desalination device 6 through a pipeline to perform acid cleaning on the seawater desalination device 6, so that the cleaning efficiency can be improved; in some narrow operation and construction areas, the two water inlets 41 can provide more selectivity, so that a pipeline can be conveniently connected with any one of the water inlets 41, and the other valve 411 is closed, so that the cleaning operation is conveniently expanded; the inverted U-shaped water delivery pipe 4 can increase the water pressure of the water pump 22, ensure that the washing liquid in the pump shell is in a full state, and reduce the possibility of under-pressure of the water pump 22; when one set of conveying device 2 breaks down, the maintenance valve 42 needs to be closed, the pipeline is communicated with the other set of conveying device 2, after the maintenance valve 42 is closed, the washing liquid temporarily stored in the conveying pipe cannot be accidentally leaked, and the cleanness of a construction area can be kept.

The implementation principle of the cleaning device of the seawater desalination device in the embodiment of the application is as follows: during cleaning, the control cabinet 3 is powered on, the motor 23 drives the water pump 22 to normally operate, the water pump 22 pumps the washing liquid in the cleaning box 1 into the water pump 22 through the water conveying pipe 4, then the water pump 22 conveys the washing liquid into the seawater desalination device 6 through a pipeline to perform acid cleaning on the first-stage energy efficiency, and salt scale in the first-stage energy efficiency is removed by acid cleaning; when one set of conveying device 2 has an unexpected fault, the other set of conveying device 2 is started quickly for the need from time to time.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cleaning device of a seawater desalination device is characterized in that: the device comprises a cleaning box (1) used for storing cleaning liquid, a conveying device (2) used for conveying the cleaning liquid and a control cabinet (3) used for controlling the conveying device (2) to operate, wherein the cleaning box (1) is communicated with the conveying device (2) through a pipeline, the conveying device (2) is communicated with the first-stage energy efficiency of a seawater desalination device (6), and the conveying device (2) is electrically connected with the control cabinet (3).

2. The cleaning device for the seawater desalination apparatus according to claim 1, wherein: the conveying devices (2) are provided with two sets.

3. The cleaning device for the seawater desalination apparatus as defined in claim 2, wherein: the conveying device (2) comprises a water pump (22) and a motor (23), an output shaft of the motor (23) is fixedly connected with an input shaft of the water pump (22), a water inlet (41) of the water pump (22) is communicated with the cleaning box (1) through a water conveying pipe (4), and a water outlet of the water pump (22) is communicated with the first-stage energy efficiency of the seawater desalination device (6).

4. The cleaning device for the seawater desalination apparatus according to claim 1, wherein: the communication position of the pipeline communicated with the cleaning box (1) and the cleaning box (1) is close to the bottom of the cleaning box (1).

5. A cleaning apparatus for a seawater desalination plant as claimed in claim 3, wherein: the water pipe (4) is communicated with two water inlets (41) which deviate from each other, and a valve (411) is fixedly arranged in each water inlet (41).

6. A cleaning apparatus for a seawater desalination plant as claimed in claim 3, wherein: the water conveying pipe (4) is in an inverted U shape.

7. The cleaning device for the seawater desalination apparatus according to claim 1, wherein: the top of the cleaning box (1) is fixedly provided with a one-way air valve (5).

8. A cleaning apparatus for a seawater desalination plant as claimed in claim 3, wherein: and an overhaul valve (42) is fixedly arranged in the water delivery pipe (4).