CN214422293U

CN214422293U - Circulation system of MVR evaporator

Info

Publication number: CN214422293U
Application number: CN202023280185.6U
Authority: CN
Inventors: 肖至明; 朱振华; 何天阳; 蒋发权
Original assignee: Kanfort Jiangmen Environmental Technology Co ltd
Current assignee: Kanfort Jiangmen Environmental Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-19
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a circulation system of MVR evaporator, which comprises a wastewater disposal basin, a heating box, a separation chamber, a heat exchanger, a blower and a distilled water collector, and also comprises an inner circulation channel, a first steam pipe, a second steam pipe and an outer circulation channel; the waste water pond is respectively communicated with the heating box and the separation chamber; the internal circulation channel is communicated with the separation chamber and the heating box; one end of the first steam pipe is communicated with the heating box, and the other end of the first steam pipe is communicated with the separation chamber; the second steam pipe is communicated with the separation chamber and the heat exchanger through the blower; the separation chamber is connected with the heat exchanger through the external circulation channel; the heat exchanger is communicated with the distilled water collector. The full utilization of energy sources is realized, the heating time is shortened, and the heating efficiency is improved.

Description

Circulation system of MVR evaporator

Technical Field

The utility model relates to a waste water evaporation field, concretely relates to circulation system of MVR evaporimeter.

Background

The high-salt wastewater treatment is generally to evaporate water and uniformly recover salt crystals. In the prior art, high-salt wastewater is heated by the heating box, and then the wastewater in the separation chamber is heated by the generated steam, and finally the wastewater in the separation chamber is changed into salt crystal pulp and then can be discharged. The heating mode can lead the heating rod in the heating box to be in a high-temperature state for a long time, and the service life of the heating rod is reduced. And the heating mode makes the water temperature in the separation chamber rise slowly, and reduces the working efficiency. The heat of the water vapor is not fully absorbed, and the resource waste is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a circulation system of MVR evaporimeter, making it realize rising fast and utilizing vapor from the branch to the high salt waste water of separator chamber.

In order to achieve the above object, the utility model provides a following technical scheme: a circulation system of an MVR evaporator comprises a wastewater pond, a heating box, a separation chamber, a heat exchanger, a blower, a distilled water collector, an inner circulation channel, a first steam pipe, a second steam pipe and an outer circulation channel; the waste water pond is respectively communicated with the heating box and the separation chamber; the internal circulation channel is communicated with the separation chamber and the heating box; one end of the first steam pipe is communicated with the heating box, and the other end of the first steam pipe is communicated with the separation chamber; the second steam pipe is communicated with the separation chamber and the heat exchanger through the blower; the separation chamber is connected with the heat exchanger through the external circulation channel; the heat exchanger is communicated with the distilled water collector.

Further, the internal circulation channel comprises two pipelines; and one of the two pipelines is provided with a pump which is a diaphragm pump. The circulating power is provided for the waste water in the internal circulation channel, and the high lift of the waste water can meet the requirement of conveying fluid with poor crystal paddle fluidity.

Further, the external circulation channel comprises a plurality of pipelines and the pipelines are made of stainless steel. The pipeline made of the stainless steel material can fully absorb heat in the heat exchanger, and the stainless steel has corrosion resistance, so that the corrosion of high-salinity wastewater is reduced.

Furthermore, a four-way pipe is arranged on one of the two pipelines; two interfaces of the four-way pipe are communicated with the pipeline, and the other two interfaces of the four-way pipe are respectively communicated with the wastewater tank and the tap water pipe; each interface of the four-way pipe is provided with a valve. Set up the four-way pipe and make things convenient for waste water to add water toward separation chamber or heating cabinet, connect the water pipe and can conveniently rinse the system after evaporation work is accomplished and dissolve all intraductal salt, avoid the jam of pipeline.

Furthermore, the outer surfaces of the heating box, the first steam pipe, the second steam pipe and the separation chamber are all provided with heat insulation layers. The energy loss is avoided, the energy is saved, and the scalding accident caused by the contact of people is also avoided by the heat insulation layer.

Further, the pipe enters from the lower right side of the heat exchanger and exits from the upper right side; the pipeline is spirally arranged in the heat exchanger; a collecting pipe is arranged at the left lower end of the heat exchanger; the collecting pipe is communicated with the heat exchanger and the distilled water collector; the lower part of the heat exchanger is provided with a collecting plate; the collecting plate is obliquely arranged and is inclined to the collecting pipe; the second steam pipe is located at an upper end of the heat exchanger. The pipeline can be ensured to fully absorb the energy of the steam, the utilization rate of the energy is improved, and the steam can be recycled to save energy.

Compared with the prior art, the beneficial effects of the utility model are that: the inner circulation channel is arranged to communicate the waste water in the separation chamber with the waste water in the heating box, so that the temperature of the waste water in the heating box and the separation chamber is simultaneously increased, and the time required by heating is greatly reduced. And the temperature of the heating box at the initial heating stage is not too high, and the service life of the heating box component is prolonged. The outer circulation channel and the second steam pipe can fully absorb the heat of the steam into the wastewater, and distilled water can be recycled, so that energy is saved. The cost for treating the wastewater is reduced for enterprises.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a flow chart of an evaporator circulation system of the present invention;

FIG. 2 is a schematic view of the structure of the inner pipeline of the heat exchanger according to the present invention;

the names of the components identified in the figures are as follows:

1. a pipeline; 2. a second steam pipe; 3. a separation chamber; 4. a heat exchanger; 5. a blower; 6. a collection pipe; 7. a collection plate;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

a circulation system of an MVR evaporator comprises a wastewater pond, a heating box, a separation chamber 3, a heat exchanger 4, a blower, a distilled water collector, an inner circulation channel, a first steam pipe, a second steam pipe 2 and an outer circulation channel; the wastewater pool is respectively communicated with the heating box and the separation chamber 3; the internal circulation channel is communicated with the separation chamber 3 and the heating box; one end of the first steam pipe is communicated with the heating box, and the other end of the first steam pipe is communicated with the separation chamber; the second steam pipe 2 is communicated with the separation chamber 3 and the heat exchanger 4 through a blower; the separation chamber 3 is connected with a heat exchanger 4 through an external circulation channel; the heat exchanger 4 is communicated with a distilled water collector.

The internal circulation channel comprises two pipelines; one of the two pipelines is provided with a pump machine which is a diaphragm pump. The circulating power is provided for the waste water in the internal circulation channel, and the high lift of the waste water can meet the requirement of conveying fluid with poor crystal paddle fluidity.

The external circulation channel comprises a plurality of pipelines 1 which are made of stainless steel. The pipeline 1 made of stainless steel material can fully absorb heat in the heat exchanger 4, and the stainless steel has corrosion resistance, so that the corrosion of high-salinity wastewater is reduced.

One of the two pipelines is provided with a four-way pipe; two interfaces of the four-way pipe are communicated with the pipeline, and the other two interfaces of the four-way pipe are respectively communicated with the wastewater tank and the tap water pipe; each interface of the four-way pipe is provided with a valve. Set up the four-way pipe and make things convenient for waste water to add water toward separation chamber 3 or heating cabinet, connect the water pipe and can conveniently rinse the system after evaporation work is accomplished and dissolve all intraductal salt, avoid the jam of pipeline.

The outer surfaces of the heating box, the first steam pipe, the second steam pipe 2 and the separation chamber 3 are all provided with heat insulation layers. The energy loss is avoided, the energy is saved, and the scalding accident caused by the contact of people is also avoided by the heat insulation layer.

The line 1 enters from the lower right side of the heat exchanger 4 and exits from the upper right side; the pipeline 1 is spirally arranged in the heat exchanger 4; the left lower end of the heat exchanger 4 is provided with a collecting pipe 6; the collecting pipe 6 is communicated with the heat exchanger 4 and the distilled water collector; the lower part of the heat exchanger 4 is provided with a collecting plate 7; the collecting plate 7 is obliquely arranged and is inclined to the collecting pipe 6; a second steam pipe 2 is located at the upper end of the heat exchanger 4. The pipeline 1 can be ensured to fully absorb the energy of the steam, the utilization rate of the energy is improved, and the steam can be recycled to save energy.

The working principle of the embodiment is as follows:

high salt waste water enters into heating cabinet and separator 3 from the wastewater disposal basin, and the heating cabinet heats high salt waste water, and the heating cabinet carries the hot waste water in the heating cabinet to separator 3 through inner loop passageway at the initial stage of heating to send the low temperature waste water in the separator 3 to the heating cabinet in the heating, realize waste water in the separator 3 and the waste water in the heating cabinet and heat up in step, saved heating time greatly. After the temperature of the wastewater in the separation chamber 3 and the heating box reaches a certain temperature, the internal circulation channel is closed, and the first steam pipe is opened to heat the steam generated in the heating box to the separation chamber 3. The steam generated in the separation chamber 3 is introduced into the heat exchanger 4 through the second steam pipe 2, and the heat exchanger 4 is connected to the separation chamber 3 through an external circulation passage. The separation chamber 3 feeds the waste water into the heat exchanger 4 through the external circulation channel, and the steam in the second steam pipe 2 heats the external circulation channel pipeline 1 in the heat exchanger 4. The temperature of the wastewater is raised and the steam in the heat exchanger 4 is condensed into distilled water to enter the distilled water collector.

The utility model has the advantages that: the inner circulation channel is arranged to communicate the waste water in the separation chamber with the waste water in the heating box, so that the temperature of the waste water in the heating box and the separation chamber is simultaneously increased, and the time required by heating is greatly reduced. And the temperature of the heating box at the initial heating stage is not too high, and the service life of the heating box component is prolonged. The outer circulation channel and the second steam pipe can fully absorb the heat of the steam into the wastewater, and distilled water can be recycled, so that energy is saved. The cost for treating the wastewater is reduced for enterprises.

Claims

1. The utility model provides a circulation system of MVR evaporimeter, includes wastewater disposal basin, heating cabinet, separation chamber, heat exchanger, air-blower and distilled water collector, its characterized in that: the steam pipe is characterized by also comprising an inner circulation channel, a first steam pipe, a second steam pipe and an outer circulation channel; the waste water pond is respectively communicated with the heating box and the separation chamber; the internal circulation channel is communicated with the separation chamber and the heating box; one end of the first steam pipe is communicated with the heating box, and the other end of the first steam pipe is communicated with the separation chamber; the second steam pipe is communicated with the separation chamber and the heat exchanger through the blower; the separation chamber is connected with the heat exchanger through the external circulation channel; the heat exchanger is communicated with the distilled water collector.

2. The circulation system of an MVR evaporator as claimed in claim 1, wherein: the internal circulation channel comprises two pipelines; and one of the two pipelines is provided with a pump which is a diaphragm pump.

3. The circulation system of an MVR evaporator as claimed in claim 1, wherein: the external circulation passage comprises a plurality of pipelines, and the pipelines are made of stainless steel.

4. The circulation system of an MVR evaporator as claimed in claim 2, wherein: one of the two pipelines is provided with a four-way pipe; two interfaces of the four-way pipe are communicated with the pipeline, and the other two interfaces of the four-way pipe are respectively communicated with the wastewater tank and the tap water pipe; each interface of the four-way pipe is provided with a valve.

5. The circulation system of an MVR evaporator as claimed in claim 1, wherein: and the outer surfaces of the heating box, the first steam pipe, the second steam pipe and the separation chamber are all provided with heat insulation layers.

6. The circulation system of an MVR evaporator as claimed in claim 3, wherein: the pipeline enters from the lower right side of the heat exchanger and exits from the upper right side; the pipeline is spirally arranged in the heat exchanger; a collecting pipe is arranged at the left lower end of the heat exchanger; the collecting pipe is communicated with the heat exchanger and the distilled water collector; the lower part of the heat exchanger is provided with a collecting plate; the collecting plate is obliquely arranged and is inclined to the collecting pipe; the second steam pipe is located at an upper end of the heat exchanger.