CN217568127U - Desalting and steam washing device for manganese sulfate MVR system - Google Patents

Abstract

The utility model discloses a desalination that manganese sulfate MVR system was used washes vapour device, wash vapour pipe, circulating pump, circulation and wash vapour conveyer pipe, circulation and wash vapour branch pipe, wash vapour shower nozzle, electric conductivity on-line measuring appearance, drain pipe including washing vapour tower, admission pipe, circulation pond, play vapour pipe, circulation, be equipped with the level gauge in the circulation pond, the level gauge is connected with a clean water moisturizing pipe. The desalting and steam washing device realizes full desalting and washing of steam from the concentration separator by using the circulating washing steam-water through the steam washing tower and the circulating tower, changes the mode that the existing miscellaneous salt-containing steam directly passes through a steam compressor, enables low-quality steam to be changed into high-quality saturated steam after passing through a manganese sulfate MVR system, and greatly improves the quality of the steam; in addition, this desalination washes vapour device has still set up the online detector of electric conductivity and has been connected with the level gauge of water purification moisturizing pipe, guarantees to be used for rinsing the salt content of the circulating water of steam and in suitable range, ensures that the inclusion salt can spray in the steam and washes totally.

Description

Desalting and steam washing device for manganese sulfate MVR system

Technical Field

The utility model relates to a wash vapour device, concretely relates to desalination that manganese sulfate MVR system was used washes vapour device.

Background

Manganese sulfate is a traditional manganese salt product and is widely used in the fields of chemical fertilizers, feeds, paints, pesticides and the like. At present, the domestic manganese sulfate production process mainly takes pyrolusite as a raw material and comprises two reduction leaching process technologies of carbon fire reduction and wet reduction (reducing agents such as pyrite, ferrous sulfate and the like) acid leaching, then potassium and sodium are removed by a jarosite method, iron is removed by oxidative hydrolysis, heavy metals are removed by sulfides, calcium and magnesium are removed by fluorides, a manganese sulfate solution after impurity removal and purification is obtained by standing, precipitation and filtration, and a finished product is obtained by evaporating, concentrating, crystallizing, centrifuging and drying the manganese sulfate solution after impurity removal and purification. The existing manganese sulfate crystallization mainly comprises two methods: the condensation crystallization and the high-temperature crystallization, no matter which crystallization method is adopted, need many times of compression crystallization, thereby consuming a large amount of saturated steam, and the low-quality steam that becomes needs to be recycled after being treated by an MVR system.

At present, low-quality steam in a manganese sulfate MVR system is directly introduced into a steam compressor to be compressed and recycled, and low-quality steam mixed with salt from a concentration separator is compressed if the low-quality steam mixed with salt is not cleaned firstly, so that the quality of saturated steam compressed by the MVR system is reduced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a vapor device is washed in desalination that manganese sulfate MVR system used, this vapor device is washed in desalination washes steam tower and circulation tower through setting up, realizes utilizing the circulation to wash soda and fully removes the salt to the steam that comes out from the concentration separator and washs, changes the mode that current miscellaneous salt steam that presss from both sides directly passes through the steam compressor, makes low-quality steam become high quality saturated steam after manganese sulfate MVR system, improves the quality of steam greatly; in addition, this desalination washes vapour device has still set up the online detector of electric conductivity and has been connected with the level gauge of water purification moisturizing pipe, guarantees to be used for rinsing the salt content of the circulating water of steam and in suitable within range, ensures that it can spray and wash totally to mix with salt in the steam.

In order to achieve the purpose, the utility model discloses the technical scheme who takes:

the desalting and steam washing device for the manganese sulfate MVR system comprises a steam washing tower, wherein a steam inlet pipe is connected to the top end of the steam washing tower, the bottom end of the steam washing tower extends into a circulating pool communicated with the steam washing tower, a steam outlet pipe is arranged at the upper end of the circulating pool, a circulating steam washing pipe communicated with the circulating pool is arranged at the bottom end of the circulating pool, a circulating water pump is connected to the end of the circulating steam washing pipe and connected with a circulating steam washing delivery pipe, the circulating steam washing delivery pipe is connected with a plurality of circulating steam washing branch pipes in a parallel mode, the circulating steam washing branch pipes extend into the steam washing tower, the end of the circulating steam washing branch pipes is connected with steam washing nozzles, the steam washing nozzles are downwards sprayed and arranged, the steam washing nozzles are sequentially arranged in parallel on the steam washing tower from top to bottom, a conductivity connecting pipe is arranged between the circulating steam washing delivery pipe and the circulating steam washing delivery pipe, an online conductivity detector is arranged on the conductivity detector, a drain pipe is connected to the online conductivity detector, a liquid level meter is arranged in the circulating pool, and is connected with a purified water replenishing pipe.

As the preferred technical scheme, in order to prevent when the water yield of the steam washing nozzle is lower, a buffer water pressure can be supplied to the circulating water pump, the damage of the circulating water pump is effectively avoided, and a buffer water pipe is further arranged between the circulating steam washing pipe and the circulating steam washing conveying pipe.

Compared with the prior art, the utility model discloses the beneficial effect who has:

1. the desalting and steam washing device realizes full desalting and washing of steam from the concentration separator by using the circulating washing steam-water through the steam washing tower and the circulating tower, changes the mode that the existing miscellaneous salt-containing steam directly passes through a steam compressor, enables low-quality steam to be changed into high-quality saturated steam after passing through a manganese sulfate MVR system, and greatly improves the quality of the steam; in addition, this desalination washes vapour device has still set up the online detector of electric conductivity and has been connected with the level gauge of water purification moisturizing pipe, guarantees to be used for rinsing the salt content of the circulating water of steam and in suitable range, ensures that the inclusion salt can spray in the steam and washes totally.

2. A buffering water pipe is arranged between the circulating steam washing pipe and the circulating steam washing conveying pipe, so that when the water outlet quantity of the steam washing spray head is reduced, a buffering water pressure can be supplied to the circulating water pump, and the circulating water pump is effectively prevented from being damaged.

Drawings

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

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

FIG. 2 is a schematic flow diagram of the present desalination steam-washing device;

reference numerals: 1. the device comprises a steam washing tower, 2 parts of a steam inlet pipe, 3 parts of a circulating pool, 4 parts of a steam outlet pipe, 5 parts of a circulating steam washing pipe, 6 parts of a circulating water pump, 7 parts of a circulating steam washing conveying pipe, 8 parts of a circulating steam washing branch pipe, 9 parts of a steam washing spray head, 10 parts of an electric conductivity connecting pipe, 11 parts of an electric conductivity online detector, 12 parts of a liquid level meter, 13 parts of a purified water replenishing pipe, 14 parts of a buffer water pipe, 15 parts of a drain pipe, 16 parts of a control valve.

Detailed Description

As shown in fig. 1, the embodiment of the present invention provides a desalination steam washing device for manganese sulfate MVR system, which comprises a steam washing tower 1, wherein the top end of the steam washing tower 1 is connected with a steam inlet pipe 2, the steam inlet pipe 2 is connected with a concentration separator, steam which comes out from the concentration separator 2 and contains miscellaneous salts enters the steam washing tower 1 through the steam inlet pipe 2, the bottom end of the steam washing tower 1 extends into a circulation tank 3 communicated with the steam washing tower, the upper end of the circulation tank 3 is provided with a steam outlet pipe 4, the steam after desalination and cleaning is discharged from the steam outlet pipe 4 to an air compressor and is compressed into high-quality saturated steam, the bottom end of the circulation tank 3 is provided with a circulation steam washing pipe 5 communicated with the circulation steam washing pipe 5, the end of the circulation steam washing pipe 5 is connected with a circulation water pump 6, the circulation water pump 6 is connected with a circulation steam washing pipe 7, the circulation steam washing pipe 7 is connected with a plurality of circulation steam washing branch pipes 8 in parallel, on the premise of ensuring that the steam containing salt can be cleaned, in order to effectively control the cost of the whole salt-removing steam-washing device, five circulating steam-washing branch pipes 8 are connected in parallel on a circulating steam-washing conveying pipe 7, the circulating steam-washing branch pipes 8 extend into a steam-washing tower 1, the end parts of the circulating steam-washing branch pipes are connected with steam-washing nozzles 9, the steam-washing nozzles 9 are arranged by downward injection, the steam-washing nozzles 9 are sequentially arranged in parallel on the steam-washing tower 1 from top to bottom, an electric conductivity connecting pipe 10 is arranged between the circulating steam-washing pipe 5 and the circulating steam-washing conveying pipe 7, an electric conductivity on-line detector 11 is arranged on the electric conductivity connecting pipe 10, a drain pipe 15 is connected on the electric conductivity on-line detector 11, and the electric conductivity of the steam-washing circulating water in the circulating steam-washing pipe 5 can be detected in real time by the electric conductivity on-line detector 11, that is, the salt content of the steam-washing circulating water, when the value detected by the conductivity online detector 11 is large, it indicates that the salt content in the steam-washing circulating water is large, then the salt water in the steam-washing circulating pipe is directly discharged from the water discharge pipe 15, the circulation tank 3 is provided with the level meter 12, the level meter 12 is connected with the water purification and water supplement pipe 13, the level meter 12 can detect the water level in the circulation tank in real time, when the water level is lower than the set value of the level meter 12, the purified water can be timely supplemented to the circulation tank 3 through the water purification and water supplement pipe 13, in order to control the opening and closing of all the pipelines, the purpose of opening or closing any one or more of the pipelines can be realized independently or simultaneously, and the control valves 16 are arranged on all the pipelines in the embodiment.

A buffer water pipe 14 is further arranged between the circulating steam washing pipe 5 and the circulating steam washing conveying pipe 7, so that when the water outlet quantity of the steam washing spray head 9 is effectively prevented from being reduced, a buffer water pressure can be supplied to the circulating water pump 6, and the circulating water pump 6 is effectively prevented from being damaged.

The utility model discloses during the use: the desalting and steam washing device is installed in a manganese sulfate MVR system, steam with miscellaneous salts from a concentration separator enters a steam washing tower 1 from a steam inlet pipe 2, is sequentially washed by steam washing circulating water sprayed by five steam washing nozzles 9 from top to bottom, salt in the steam is completely sprayed, the washed salt is dissolved in the circulating steam washing water and enters a circulating pool 3 along the steam washing tower 1 from top to bottom, the desalted steam also enters the circulating pool 3 along the steam washing tower 1 from top to bottom, due to the inertia of the upward gas, the desalted steam moves along the circulating pool 3 from bottom to top until the desalted steam is discharged from a steam outlet pipe 4, the desalted steam is introduced into a steam compressor to be compressed into high-quality saturated steam to be reused, the circulating steam in the circulating pool 3 enters a circulating steam washing conveying pipe 7 under the action of a circulating water pump 6 through a circulating steam washing pipe 5 and then enters each circulating steam washing branch pipe 8, and finally the circulating steam washing nozzles 9 are used for circulating steam washing; in the circulating steam washing process, the conductivity online detector 11 detects the conductivity of the steam washing circulating water in the circulating steam washing pipe 5 in real time, namely the salt content of the steam washing circulating water, when the value detected by the conductivity online detector 11 is larger, the salt content in the steam washing circulating water is larger, the salt water in the circulating steam washing pipe is directly discharged from the water discharge pipe 15, the level gauge 12 can detect the water level in the circulating water tank in real time, when the water level is lower than the set value of the liquid level gauge 12, purified water can be timely supplemented to the circulating tank 3 through the purified water supplementing pipe 13, the salt content of the circulating steam washing water is ensured to be in a proper range, and the steam with the impurity salt can be cleaned completely; when the water outlet quantity of the steam washing spray head 9 is reduced, the buffer water pipe 14 is opened, the circulating steam washing water in the circulating steam washing pipe 5 directly enters the circulating steam washing conveying pipe 7 from the buffer water pipe 14, a buffer water pressure can be supplied to the circulating water pump 6, and the circulating water pump 6 is effectively prevented from being damaged.

Of course, the above detailed description is only made for the preferred embodiments of the present invention with reference to the accompanying drawings, and not to limit the scope of the present invention, and all equivalent changes made according to the principles, structures and structures of the present invention should be covered by the protection scope of the present invention.

Claims (2)

1. The desalination that manganese sulfate MVR system was used washes vapour device, its characterized in that: comprises a steam washing tower (1), the top end of the steam washing tower (1) is connected with a steam inlet pipe (2), the bottom end of the steam washing tower (1) extends into a circulating pool (3) communicated with the steam washing tower, the upper end of the circulating tank (3) is provided with a steam outlet pipe (4), the bottom end of the circulating tank (3) is provided with a circulating steam washing pipe (5) communicated with the circulating tank, the end part of the circulating steam washing pipe (5) is connected with a circulating water pump (6), the circulating water pump (6) is connected with a circulating steam washing delivery pipe (7), the circulating steam-washing delivery pipe (7) is connected with a plurality of circulating steam-washing branch pipes (8) in parallel, the circulating steam washing branch pipes (8) extend into the steam washing tower (1) and the end parts of the circulating steam washing branch pipes are connected with steam washing nozzles (9), the steam washing spray heads (9) are arranged in a downward spraying manner, the steam washing spray heads (9) are sequentially arranged in parallel on the steam washing tower (1) from top to bottom, an electric conductivity connecting pipe (10) is arranged between the circulating steam washing pipe (5) and the circulating steam washing conveying pipe (7), an electric conductivity on-line detector (11) is arranged on the electric conductivity connecting pipe (10), the conductivity on-line detector (11) is connected with a drain pipe (15), and a liquid level meter (12) is arranged in the circulating pool (3), and the liquid level meter (12) is connected with a purified water replenishing pipe (13).

2. The desalination and steam-washing device for the manganese sulfate MVR system as claimed in claim 1, wherein: a buffer water pipe (14) is also arranged between the circulating steam washing pipe (5) and the circulating steam washing conveying pipe (7).

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