CN211971830U

CN211971830U - Efficient chemical water treatment system

Info

Publication number: CN211971830U
Application number: CN202020135712.5U
Authority: CN
Inventors: 李林; 孙伟; 魏兴亚
Original assignee: Jiangsu Daimengte Chemical Technology Co ltd
Current assignee: Jiangsu Daimengte Chemical Technology Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-11-20
Anticipated expiration: 2030-01-20

Abstract

A high efficiency chemical water treatment system comprising: cation bed regeneration system and comdenstion water collecting system, wherein the cation bed regeneration system includes: the device comprises a chemical water inlet, a front-mounted anode bed and an anode bed, wherein the chemical water inlet is connected with the front-mounted anode bed through a first pipeline; the front-mounted cation bed is connected with the cation bed through a second pipeline; the condensate water collection system includes: the hot water tank is connected with the condensed water inlet through a third pipeline; the chemical water inlet and the front-mounted anode bed are also connected with a heat exchanger, and the heat exchanger is also connected with a condensate water inlet and a hot water tank. The efficient chemical water treatment system of the utility model is additionally provided with the platen heat exchanger in parallel at the water treatment inlet, thus having less investment and low cost; the water inlet temperature rises immediately, and the water making quantity of the cation bed rises with good effect; the cation bed is successfully regenerated at one time, the consumption of hydrochloric acid is reduced, and the cost is reduced; the hot return water temperature is reduced, the waste heat is fully utilized, and the waste is reduced.

Description

Efficient chemical water treatment system

Technical Field

The utility model belongs to the technical field of chemical water treatment, specifically, relate to an efficient chemical water treatment system.

Background

In the operation process of a traditional chemical water treatment system of a thermal power plant, chemical water regeneration and condensed water are operated independently, the environmental influence of the water treatment inlet temperature is large, and the chemical water treatment system is unstable when the water temperature is about 32 ℃ in summer and about 5 ℃ in winter; in the cation bed period, the water production amount is about 9000 tons in summer and about 4500 tons in winter, and the water amount is obviously reduced; the return water temperature of the steam condensate water is about 90 ℃, the return water amount is about 60 tons, the heat is more, and the waste is larger; the water temperature is low in winter, the activity of the cation resin is reduced, the regeneration efficiency is low, the regeneration fails frequently, and even the regeneration is carried out for more than 4 times, so that the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an efficient chemical water treatment system, which is characterized in that a platen heat exchanger is additionally arranged in parallel at a water treatment inlet, thus the investment is less and the cost is low; the water inlet temperature rises immediately, and the water making quantity of the cation bed rises with good effect; the cation bed is successfully regenerated at one time, the consumption of hydrochloric acid is reduced, and the cost is reduced; the hot return water temperature is reduced, the waste heat is fully utilized, and the waste is reduced.

The technical scheme is as follows: the utility model provides an efficient chemical water treatment system, include: cation bed regeneration system and comdenstion water collecting system, wherein the cation bed regeneration system includes: the device comprises a chemical water inlet, a front-mounted anode bed and an anode bed, wherein the chemical water inlet is connected with the front-mounted anode bed through a first pipeline; the front-mounted cation bed is connected with the cation bed through a second pipeline; the condensate water collection system includes: the hot water tank is connected with the condensed water inlet through a third pipeline; the chemical water inlet and the front-mounted anode bed are also connected with a heat exchanger, and the heat exchanger is also connected with a condensate water inlet and a hot water tank. A platen heat exchanger (heat exchange area 43m 2) is additionally arranged at a water treatment inlet in parallel, the heat exchanger does not need to be put into use in summer, the water inlet temperature of a cation bed after heat exchange is put into use in winter can reach 25-30 ℃, the water production quantity of the cation bed can be adjusted as required, the water production quantity of the cation bed is improved from 4500 tons to 6000 tons in the prior art, the cation bed is successfully regenerated at one time basically, the acid consumption per month is reduced from 110 tons to about 80 tons, the temperature of condensed water is also reduced to about 40 ℃, and the heat waste is reduced.

Further, in the efficient chemical water treatment system, the first pipeline is provided with a first valve, and the first valve is connected with the heat exchanger in parallel.

Furthermore, in the efficient chemical water treatment system, a second valve is arranged on a pipeline between the heat exchanger and the chemical water inlet. When the ambient temperature is high in summer, the second valve is closed, the first valve is opened, and the chemical water directly flows into the front-mounted cation bed; in winter, the environment temperature is low, the first valve is closed, and the second valve is opened, so that the chemical water passes through the heat exchanger.

Further, in the efficient chemical water treatment system, the third pipeline is provided with a third valve, and the third valve is connected with the heat exchanger in parallel.

Furthermore, in the efficient chemical water treatment system, a fourth valve is arranged on a pipeline between the heat exchanger and the condensed water inlet. When the ambient temperature is high in summer, the fourth valve is closed, the third valve is opened, and the condensed water directly flows into the hot water tank; and in winter, the ambient temperature is low, the third valve is closed, and the fourth valve is opened, so that the condensed water passes through the heat exchanger to improve the temperature of the chemical book inlet water.

Further, in the efficient chemical water treatment system, the heat exchanger is a plate heat exchanger. The heat exchange effect is good, and the input cost is low.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the efficient chemical water treatment system of the utility model is additionally provided with the platen heat exchanger in parallel at the water treatment inlet, thus having less investment and low cost; the water inlet temperature rises immediately, and the water making quantity of the cation bed rises with good effect; the cation bed is successfully regenerated at one time, the consumption of hydrochloric acid is reduced, and the cost is reduced; the hot return water temperature is reduced, the waste heat is fully utilized, the waste is reduced, and the popularization value is high.

Drawings

Fig. 1 is a schematic structural view of the efficient chemical water treatment system of the present invention.

In the figure: 1 chemical water inlet, 11 first pipeline, 111 first valve, 2 leading positive beds, 21 second pipeline, 3 positive beds, 4 comdenstion water inlets, 41 third pipeline, 411 third valve, 5 hot-water tank, 6 heat exchangers, 61 second valve, 62 fourth valves.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

A high efficiency chemical water treatment system as shown in fig. 1, comprising: cation bed regeneration system and comdenstion water collecting system, wherein the cation bed regeneration system includes: the device comprises a chemical water inlet 1, a front-mounted anode bed 2 and an anode bed 3, wherein the chemical water inlet 1 is connected with the front-mounted anode bed 2 through a first pipeline 11; the front-mounted anode bed 2 is connected with the anode bed 3 through a second pipeline 21; the condensate water collection system includes: the hot water system comprises a condensate water inlet 4 and a hot water tank 5, wherein the condensate water inlet 4 is connected with the hot water tank 5 through a third pipeline 41; the chemical water inlet 1 and the front-mounted anode bed 2 are further connected with a heat exchanger 6, the heat exchanger 6 is further connected with a condensate water inlet 4 and a hot water tank 5, and the heat exchanger 6 is a plate heat exchanger. A first valve 111 is arranged on the first pipeline 11, and the first valve 111 is connected in parallel with the heat exchanger 6. A second valve 61 is arranged on a pipeline between the heat exchanger 6 and the chemical water inlet 1. A third valve 411 is arranged on the third pipeline 41, and the third valve 411 is connected in parallel with the heat exchanger 6. A fourth valve 62 is arranged on a pipeline between the heat exchanger 6 and the condensed water inlet 4.

During working, based on the structural foundation, as shown in fig. 1, when the ambient temperature is high in summer, the second valve and the fourth valve are closed, the first valve and the third valve are opened, chemical water directly flows into the front-mounted anode bed, and condensed water directly flows into the hot water tank; the environment temperature is low winter, closes first valve, third valve, opens second valve, fourth valve to start the heat exchanger, make chemical water and comdenstion water pass through the heat exchanger, replace the chemical water with the comdenstion water temperature through the heat exchanger, improve the chemical water temperature, the comdenstion water temperature reduces simultaneously.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. A high efficiency chemical water treatment system, comprising: cation bed regeneration system and comdenstion water collecting system, wherein the cation bed regeneration system includes: the device comprises a chemical water inlet (1), a front-mounted cation bed (2) and a cation bed (3), wherein the chemical water inlet (1) is connected with the front-mounted cation bed (2) through a first pipeline (11); the front-mounted cation bed (2) is connected with the cation bed (3) through a second pipeline (21); the condensate water collection system includes: the hot water system comprises a condensed water inlet (4) and a hot water tank (5), wherein the condensed water inlet (4) is connected with the hot water tank (5) through a third pipeline (41); the chemical water inlet (1) and the front-mounted cation bed (2) are also connected with a heat exchanger (6), and the heat exchanger (6) is also connected with a condensate water inlet (4) and a hot water tank (5).

2. The efficient chemical water treatment system according to claim 1, wherein a first valve (111) is provided on the first pipe (11), and the first valve (111) is connected in parallel with the heat exchanger (6).

3. A high efficiency chemical water treatment system according to claim 1, wherein a second valve (61) is provided on the pipe between the heat exchanger (6) and the chemical water inlet (1).

4. A high efficiency chemical water treatment system according to claim 1, wherein a third valve (411) is provided on the third pipe (41), and the third valve (411) is connected in parallel with the heat exchanger (6).

5. A high efficiency chemical water treatment system according to claim 1, wherein a fourth valve (62) is provided on the conduit between the heat exchanger (6) and the condensate water inlet (4).

6. A high efficiency chemical water treatment system according to claim 1, wherein the heat exchanger (6) is a plate heat exchanger.