CN215975047U - Energy-saving acid water separation thickener - Google Patents
Energy-saving acid water separation thickener Download PDFInfo
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- CN215975047U CN215975047U CN202122111748.7U CN202122111748U CN215975047U CN 215975047 U CN215975047 U CN 215975047U CN 202122111748 U CN202122111748 U CN 202122111748U CN 215975047 U CN215975047 U CN 215975047U
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Abstract
The utility model discloses an energy-saving acid water separation thickener, wherein an inlet and an outlet of a steam generator are connected with an acid liquor evaporator through a pipeline to form a loop, and each functional interface of the acid liquor evaporator is respectively connected with a high-temperature recovery heat exchanger and a finished acid liquor cooling heat exchanger; the cold and hot fluid interfaces of the high-temperature recovery heat exchanger are connected with the corresponding interfaces of the low-temperature recovery heat exchanger through pipelines, the cold and hot fluid interfaces of the low-temperature recovery heat exchanger are respectively connected with a finished acid liquid cooling heat exchanger and a condensing heat exchanger through two pipelines, the condensing heat exchanger is respectively connected with a condensate water collecting tank, a vacuum pump and a refrigerator through three pipelines, and the vacuum pump exhausts air through one pipeline; the finished acid liquid cooling heat exchanger is respectively connected with a finished acid liquid delivery pump and an acid liquid delivery pump through two pipelines: the condensed water conveying pump is connected with the condensed water collecting tank through a pipeline. The energy-saving acid water separation thickener achieves zero emission, saves energy and improves economic benefits.
Description
Technical Field
The utility model relates to the technical field of waste acid water treatment, in particular to an energy-saving acid water separation thickener.
Background
The post-treatment of waste acid water discharged from the electronic industry, the electroplating industry and the hardware industry is needed, and the existing treatment method comprises the following steps: physical methods, chemical methods, electrodialysis methods, and ion exchange methods. The physical method is simple evaporation, concentration and recovery, but the method has large energy consumption and high cost; the chemical method is that chemical substances are put in and then sequentially subjected to precipitation, filtration and discharge, but the method has high cost and is not beneficial to environmental protection; the electrodialysis method has the defects of being not beneficial to recovery and easily causing secondary pollution; the ion exchange method has the disadvantage of being disadvantageous for recycling.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to solve the problems in the background art, an energy-saving acid water separation thickener is provided, which achieves zero emission, saves energy and improves economic benefits.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an energy-saving acid water separation concentrator is provided with a steam generator, an acid liquor evaporator, a high-temperature recovery heat exchanger, a low-temperature recovery heat exchanger, a condensation heat exchanger, a vacuum pump, a finished acid liquor cooling heat exchanger, a finished acid liquor delivery pump, an acid liquor delivery pump, a condensed water collecting tank, a control cabinet and a refrigerator, wherein an inlet and an outlet of the steam generator are connected with the acid liquor evaporator through a pipeline to form a loop, and functional interfaces of the acid liquor evaporator are respectively connected with the high-temperature recovery heat exchanger and the finished acid liquor cooling heat exchanger; the cold fluid interface and the hot fluid interface of the high-temperature recovery heat exchanger are connected with the corresponding interfaces of the low-temperature recovery heat exchanger through pipelines, the cold fluid interface and the hot fluid interface of the low-temperature recovery heat exchanger are respectively connected with a finished acid liquid cooling heat exchanger and a condensing heat exchanger through two pipelines, the condensing heat exchanger is respectively connected with a condensate water collecting tank, a vacuum pump and a refrigerator through three pipelines, and the vacuum pump exhausts air through one pipeline; the finished acid liquid cooling heat exchanger is respectively connected with a finished acid liquid delivery pump and an acid liquid delivery pump through two pipelines: the condensed water conveying pump is connected with the condensed water collecting tank through a pipeline, and the control cabinet is used for monitoring and controlling the temperature, the liquid level, the pressure, the concentration, the time, the pump and the valve of the system.
Further specifically, in the above technical solution, the steam generator is configured to provide a heat source for an acid evaporator, the acid evaporator is configured to evaporate and separate acid and water, the high-temperature recovery heat exchanger is configured to increase a temperature of the acid and reduce a temperature of evaporated water, the low-temperature recovery heat exchanger is configured to preheat a temperature of the acid and reduce a temperature of the evaporated water, the condensing heat exchanger is configured to condense the evaporated water and discharge the condensed water to a condensed water collecting tank, the vacuum pump is configured to vacuumize the system and reduce a boiling point, the finished acid cooling heat exchanger is configured to cool a finished acid and preheat the acid, the finished acid delivery pump is configured to deliver the cooled finished acid to a finished product storage tank, the acid delivery pump is configured to deliver an ortho-acid solution in an acid solution tank to the system so as to supplement the original acid solution to the system, and the condensed water delivery pump is configured to deliver the separated condensed water to a clean water tank, the condensed water collecting tank is used for collecting and storing the separated condensed water, and the refrigerator is used for condensing and separating water.
Further specifically, in the above technical solution, a first electric valve is disposed on a connection pipeline between the acid liquor delivery pump and the finished acid liquor cooling heat exchanger, a second electric valve is arranged on the acid liquor evaporator, a third electric valve is arranged on a connecting pipeline between the condensing heat exchanger and the vacuum pump, a fourth electric valve is arranged on a connecting pipeline between the condensed water collecting tank and the condensing heat exchanger, a fifth electric valve is arranged on the condensed water collecting tank, a sixth electric valve is arranged on a connecting pipeline between the condensed water conveying pump and the condensed water collecting tank, a seventh electric valve is arranged on a connecting pipeline between the acid liquor evaporator and the finished product acid liquor cooling heat exchanger, an eighth electric valve is arranged on a connecting pipeline between the finished acid liquid cooling heat exchanger and the finished acid liquid delivery pump, and a ninth electric valve is arranged on a connecting pipeline between the steam generator and the acid liquor evaporator along the flow direction of the steam.
Further specifically, in the above technical solution, a gate valve and a drain valve are sequentially disposed on the connection pipeline between the acid liquor evaporator and the steam generator along the flow direction of the condensed water, the gate valve is close to the acid liquor evaporator, and the drain valve is close to the steam generator.
Further specifically, in the above technical solution, a vacuum pressure gauge is provided on the acid evaporator.
More specifically, in the above-described aspect, a gate valve is provided in the connection pipe between the condensation heat exchanger and the refrigerator in a flow direction in which ice water flows from the condensation heat exchanger to the refrigerator, and a gate valve is provided in the connection pipe between the condensation heat exchanger and the refrigerator in a flow direction in which ice water flows from the refrigerator to the condensation heat exchanger.
Further specifically, in the above technical solution, a gate valve and a filter valve are sequentially disposed on a connection pipeline between the acid liquor delivery pump and the acid liquor pool along a flowing direction of the crude acid liquor, the gate valve is close to the acid liquor pool, and the filter valve is close to the acid liquor delivery pump.
Further specifically, in the above technical solution, a filter valve is disposed on a connection pipeline between the condensing heat exchanger and the vacuum pump, and the filter valve is close to the vacuum pump.
Further specifically, in the above technical solution, a filter valve is disposed on a connection pipeline between the condensate water conveying pump and the condensate water collecting tank, and the filter valve is close to the condensate water conveying pump.
Further specifically, in the above technical solution, the finished acid liquid cooling heat exchanger and the finished acid liquid conveying device
And a connecting pipeline between the pumps is provided with a filter valve which is close to the finished acid liquor delivery pump.
The utility model has the beneficial effects that: the energy-saving acid water separation thickener has the following advantages:
firstly, an evaporator with a special structure is adopted, the heat exchange area is enlarged, acid liquor is replenished while evaporation is carried out through liquid level control, the replenished acid liquor and water vapor separated by evaporation are subjected to convective heat exchange through a high-temperature heat exchanger and a low-temperature heat exchanger to obtain high-temperature acid liquor, the high-temperature acid liquor enters the evaporator, the steam usage of the evaporator is saved, the water vapor separated by low-temperature evaporation enters a condenser, and the usage of ice water is saved;
collecting the condensate water of the condenser to a condensate water collecting tank for recycling, and discharging the condensate water to a finished product cooler for cooling and recycling when the concentration of acid liquor in the evaporator reaches a set value so as to achieve zero emission;
thirdly, combining the vacuum technology and the freezing and condensing technology, reducing the boiling point of the acid liquor, improving the convection of a cold area and a hot area and accelerating the evaporation speed;
fourthly, energy is saved, and economic benefits are improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first side view of FIG. 1;
FIG. 3 is a second side view of FIG. 1;
fig. 4 is a working principle diagram of the present invention.
The reference numbers in the drawings are: 1. a steam generator; 2. an acid liquor evaporator; 3. a high temperature recovery heat exchanger; 4. a low temperature recovery heat exchanger; 5. a condensing heat exchanger; 6. a vacuum pump; 7. cooling the finished acid liquor by using a heat exchanger; 8. a finished acid liquor delivery pump; 9. an acid liquor delivery pump; 10. a condensate water delivery pump; 11. a condensed water collecting tank; 12. a control cabinet; 13. a freezer; 14. a finished product storage tank; 15. an acid liquor pool; 16. a clean water tank; a. a first electrically operated valve; b. a second electrically operated valve; c. a third electrically operated valve; d. a fourth electrically operated valve; e. a fifth electrically operated valve; f. a sixth electrically operated valve; g. a seventh electrically operated valve; h. an eighth electrically operated valve; k. ninth electrically operated valve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the energy-saving acid water separation and concentration machine of the present invention comprises a steam generator 1, an acid liquor evaporator 2, a high temperature recovery heat exchanger 3, a low temperature recovery heat exchanger 4, a condensing heat exchanger 5, a vacuum pump 6, a finished acid liquor cooling heat exchanger 7, a finished acid liquor delivery pump 8, an acid liquor delivery pump 9, a condensed water delivery pump 10, a condensed water collection tank 11, a control cabinet 12 and a refrigerator 13, wherein an inlet and an outlet of the steam generator 1 are connected with the acid liquor evaporator 2 through a pipeline to form a loop, and each functional interface of the acid liquor evaporator 2 is respectively connected with the high temperature recovery heat exchanger 3 and the finished acid liquor cooling heat exchanger 7; the cold and hot fluid interfaces of the high-temperature recovery heat exchanger 3 are connected with the corresponding interfaces of the low-temperature recovery heat exchanger 4 through pipelines, the cold and hot fluid interfaces of the low-temperature recovery heat exchanger 4 are respectively connected with the finished acid liquid cooling heat exchanger 7 and the condensing heat exchanger 5 through two pipelines, the condensing heat exchanger 5 is respectively connected with the condensed water collecting tank 11, the vacuum pump 6 and the refrigerator 13 through three pipelines, and the vacuum pump 6 exhausts air through one pipeline; the finished acid liquid cooling heat exchanger 7 is respectively connected with a finished acid liquid delivery pump 8 and an acid liquid delivery pump 9 through two pipelines: the condensate water delivery pump 10 is connected with a condensate water collecting tank 11 through a pipeline, and the control cabinet 12 is used for monitoring and controlling the temperature, the liquid level, the pressure, the concentration, the time, the pump and the valve of the system.
Wherein, the steam generator 1 is used for providing a heat source for the acid liquor evaporator 2, the acid liquor evaporator 2 is used for separating acid and water by evaporation, the high-temperature recovery heat exchanger 3 is used for increasing the temperature of the acid liquor and reducing the temperature of evaporation water, the low-temperature recovery heat exchanger 4 is used for preheating the temperature of the acid liquor and reducing the temperature of the evaporation water, the condensing heat exchanger 5 is used for condensing the evaporation water and discharging the water to the condensed water collecting tank 11, the vacuum pump 6 is used for vacuumizing the system and reducing the boiling point, the finished acid liquor cooling heat exchanger 7 is used for cooling the finished acid liquor and preheating the acid liquor, the finished acid liquor conveying pump 8 is used for conveying the cooled finished acid liquor to the finished product storage tank 14, the acid liquor conveying pump 9 is used for conveying the ortho-acid in the acid liquor tank 15 to the system so as to supplement the original acid liquor for the system, the condensed water conveying pump 10 is used for conveying the separated condensed water to the clear water tank 16, and the condensed water collecting tank 11 is used for collecting and storing the separated condensed water, the refrigerator 13 is used for condensing and separating water.
A first electric valve a is arranged on a connecting pipeline between the acid liquor conveying pump 9 and the finished acid liquor cooling heat exchanger 7, a second electric valve b is arranged on the acid liquor evaporator 2, a third electric valve c is arranged on a connecting pipeline between the condensing heat exchanger 5 and the vacuum pump 6, a fourth electric valve d is arranged on a connecting pipeline between the condensate collecting tank 11 and the condensing heat exchanger 5, a fifth electric valve e is arranged on the condensate collecting tank 11, a sixth electric valve f is arranged on a connecting pipeline between the condensate conveying pump 10 and the condensate collecting tank 11, a seventh electric valve g is arranged on a connecting pipeline between the acid liquor evaporator 2 and the finished acid liquor cooling heat exchanger 7, an eighth electric valve h is arranged on a connecting pipeline between the finished acid liquor cooling heat exchanger 7 and the finished acid liquor conveying pump 8, and a ninth electric valve k is arranged on a connecting pipeline between the steam generator 1 and the acid liquor evaporator 2 along the flow direction of steam. A gate valve and a drain valve are sequentially arranged on a connecting pipeline between the acid liquor evaporator 2 and the steam generator 1 along the flowing direction of condensed water, the gate valve is close to the acid liquor evaporator 2, and the drain valve is close to the steam generator 1. The acid liquor evaporator 2 is provided with a vacuum pressure gauge. A gate valve is provided in a connection line between the condensation heat exchanger 5 and the refrigerator 13 along a flow direction of ice water flowing from the condensation heat exchanger 5 to the refrigerator 13, and a gate valve is provided in a connection line between the condensation heat exchanger 5 and the refrigerator 13 along a flow direction of ice water flowing from the refrigerator 13 to the condensation heat exchanger 5. A gate valve and a filter valve are sequentially arranged on a connecting pipeline between the acid liquor delivery pump 9 and the acid liquor pool 15 along the flowing direction of the original acid liquor, the gate valve is close to the acid liquor pool 15, and the filter valve is close to the acid liquor delivery pump 9. And a filter valve is arranged on a connecting pipeline between the condensing heat exchanger 5 and the vacuum pump 6, and the filter valve is close to the vacuum pump 6. A filter valve is arranged on a connecting pipeline between the condensate water conveying pump 10 and the condensate water collecting tank 11, and the filter valve is close to the condensate water conveying pump 10. And a filter valve is arranged on a connecting pipeline between the finished acid liquid cooling heat exchanger 7 and the finished acid liquid conveying pump 8, and the filter valve is close to the finished acid liquid conveying pump 8.
The working process of the energy-saving acid water separation thickener is as follows:
and 2.1, opening the first electric valve a and the fourth electric valve d of the electric valves, starting the acid liquor conveying pump 9, adding acid liquor into the finished product cooler, the low-temperature recovery heat exchanger 4, the high-temperature recovery heat exchanger 3 and the acid liquor evaporator 2, and automatically starting and stopping according to a set value set by the liquid level.
And 2.2, starting the vacuum pump 6 and the third electric valve c, starting vacuumizing, and automatically starting and stopping according to a set value.
And 2.3, starting the steam generator 1, starting the ninth electric valve k, starting heating and evaporation, and automatically starting and stopping the pressing force and the temperature set value.
And 2.4, starting the refrigerator 13, circulating ice water in the condensation heat exchanger, and automatically controlling according to a temperature set value.
And 2.5, the temperature of the steam evaporated from the acid liquor is reduced after heat exchange through the high-temperature recovery heat exchanger 3 and the low-temperature recovery heat exchanger 4, and then the steam is condensed by the condensing heat exchanger 5 and flows into a condensate collecting tank 11. When the liquid level reaches the upper limit of the liquid level of the condensed water collecting tank 11, the fourth electric valve d is closed, the sixth electric valve f and the fifth electric valve e are opened, the condensed water conveying pump 10 is started to convey the condensed water to the clean water tank 16, and the automatic start and stop are carried out according to the set value of the liquid level.
And 2.6, continuously evaporating and supplementing the acid liquor in the acid liquor evaporator 2, increasing the concentration along with the evaporation, stopping steam heating when the concentration reaches a set value, stopping supplementing the acid liquor, stopping the vacuum pump 6 and the refrigerator 13, starting the seventh electric valve g, discharging the treated acid liquor into the finished acid cooling heat exchanger 7 for heat exchange and cooling, and conveying the cooled acid liquor to the finished product storage tank 14 by the finished acid liquor conveying pump 8.
And 3, finishing the work and carrying out the next time.
According to the energy-saving acid water separation thickener, the evaporator adopts the jacket and the transverse arrangement, so that the heat exchange area is increased. The system adopts a vacuum technology to reduce the boiling point. The freezing machine 13 is adopted to condense, so that a low-pressure area is formed locally, the flow speed of the evaporated water vapor is increased, and the evaporation speed is increased. The high-temperature recovery heat exchanger 3 and the low-temperature recovery heat exchanger 4 adopt high-temperature fluid and low-temperature fluid for convective heat exchange, so that the acid liquor entering the acid liquor evaporator 2 obtains higher temperature, the temperature of the evaporated water vapor is reduced, the evaporated water vapor enters the condensation heat exchanger, the use amount of the steam and the ice water is reduced, and the operation cost is reduced. Energy conservation and emission reduction, namely the acid liquid separated by the system can be recycled, and the condensed water reaches the environmental protection emission standard and is recycled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (10)
1. The utility model provides an energy-saving sour water separation concentrator which characterized in that: the acid liquor recovery device is provided with a steam generator (1), an acid liquor evaporator (2), a high-temperature recovery heat exchanger (3), a low-temperature recovery heat exchanger (4), a condensation heat exchanger (5), a vacuum pump (6), a finished acid liquor cooling heat exchanger (7), a finished acid liquor delivery pump (8), an acid liquor delivery pump (9), a condensed water delivery pump (10), a condensed water collection tank (11), a control cabinet (12) and a refrigerator (13), wherein an inlet and an outlet of the steam generator (1) are connected with the acid liquor evaporator (2) through pipelines to form a loop, and functional interfaces of the acid liquor evaporator (2) are respectively connected with the high-temperature recovery heat exchanger (3) and the finished acid liquor cooling heat exchanger (7); the cold and hot fluid interfaces of the high-temperature recovery heat exchanger (3) are connected with the corresponding interfaces of the low-temperature recovery heat exchanger (4) through pipelines, the cold and hot fluid interfaces of the low-temperature recovery heat exchanger (4) are respectively connected with the finished product acid liquid cooling heat exchanger (7) and the condensing heat exchanger (5) through two pipelines, the condensing heat exchanger (5) is respectively connected with the condensed water collecting tank (11), the vacuum pump (6) and the refrigerator (13) through three pipelines, and the vacuum pump (6) exhausts air through one pipeline; the finished acid liquid cooling heat exchanger (7) is respectively connected with a finished acid liquid delivery pump (8) and an acid liquid delivery pump (9) through two pipelines: the condensed water conveying pump (10) is connected with a condensed water collecting tank (11) through a pipeline, and the control cabinet (12) is used for monitoring and controlling the temperature, the liquid level, the pressure, the concentration, the time, the pump and the valve of the system.
2. The energy-saving acid water separation and concentration machine according to claim 1, wherein: the steam generator (1) is used for providing a heat source for the acid liquor evaporator (2), the acid liquor evaporator (2) is used for separating acid and water in an evaporation mode, the high-temperature recovery heat exchanger (3) is used for increasing the temperature of acid liquor and reducing the temperature of evaporation water, the low-temperature recovery heat exchanger (4) is used for preheating the temperature of the acid liquor and reducing the temperature of the evaporation water, the condensation heat exchanger (5) is used for condensing the evaporation water and discharging the water to the condensed water collecting tank (11), the vacuum pump (6) is used for enabling the system to be vacuum and reducing the boiling point, the finished acid liquor cooling heat exchanger (7) is used for cooling the finished acid liquor and preheating the acid liquor, the finished acid liquor conveying pump (8) is used for conveying the cooled finished acid liquor to the finished product storage tank (14), and the acid liquor conveying pump (9) is used for conveying the ortho-acid liquor in the acid liquor tank (15) to the system so as to supplement the original acid liquor to the system, the condensed water conveying pump (10) is used for conveying the separated condensed water to the clean water tank (16), the condensed water collecting tank (11) is used for collecting and storing the separated condensed water, and the refrigerator (13) is used for condensing and separating water.
3. The energy-saving acid water separation and concentration machine according to claim 1, wherein: the acid liquor cooling system is characterized in that a first electric valve (a) is arranged on a connecting pipeline between the acid liquor conveying pump (9) and the finished product acid liquor cooling heat exchanger (7), a second electric valve (b) is arranged on the acid liquor evaporator (2), a third electric valve (c) is arranged on a connecting pipeline between the condensing heat exchanger (5) and the vacuum pump (6), a fourth electric valve (d) is arranged on a connecting pipeline between the condensed water collecting tank (11) and the condensing heat exchanger (5), a fifth electric valve (e) is arranged on the condensed water collecting tank (11), a sixth electric valve (f) is arranged on a connecting pipeline between the condensed water conveying pump (10) and the condensed water collecting tank (11), a seventh electric valve (g) is arranged on a connecting pipeline between the acid liquor evaporator (2) and the acid liquor finished product cooling heat exchanger (7), and an eighth electric valve (g) is arranged on a connecting pipeline between the finished product acid liquor cooling heat exchanger (7) and the finished product acid liquor conveying pump (8) And the electric valve (h), and a ninth electric valve (k) is arranged on a connecting pipeline between the steam generator (1) and the acid liquor evaporator (2) along the flow direction of the steam.
4. The energy-saving acid water separation and concentration machine according to claim 1, wherein: a gate valve and a drain valve are sequentially arranged on a connecting pipeline between the acid liquor evaporator (2) and the steam generator (1) along the flowing direction of condensed water, the gate valve is close to the acid liquor evaporator (2), and the drain valve is close to the steam generator (1).
5. The energy-saving acid water separation and concentration machine according to claim 1, wherein: and a vacuum pressure gauge is arranged on the acid liquor evaporator (2).
6. The energy-saving acid water separation and concentration machine according to claim 1, wherein: a gate valve is arranged on a connecting pipeline between the condensation heat exchanger (5) and the refrigerating machine (13) along the flowing direction of ice water flowing from the condensation heat exchanger (5) to the refrigerating machine (13), and a gate valve is arranged on the connecting pipeline between the condensation heat exchanger (5) and the refrigerating machine (13) along the flowing direction of ice water flowing from the refrigerating machine (13) to the condensation heat exchanger (5).
7. The energy-saving acid water separation and concentration machine according to claim 2, wherein: and a gate valve and a filter valve are sequentially arranged on a connecting pipeline between the acid liquor conveying pump (9) and the acid liquor pool (15) along the flowing direction of the original acid liquor, the gate valve is close to the acid liquor pool (15), and the filter valve is close to the acid liquor conveying pump (9).
8. The energy-saving acid water separation and concentration machine according to claim 3, wherein: and a filter valve is arranged on a connecting pipeline between the condensing heat exchanger (5) and the vacuum pump (6), and the filter valve is close to the vacuum pump (6).
9. The energy-saving acid water separation and concentration machine according to claim 3, wherein: and a filter valve is arranged on a connecting pipeline between the condensed water conveying pump (10) and the condensed water collecting tank (11), and the filter valve is close to the condensed water conveying pump (10).
10. The energy-saving acid water separation and concentration machine according to claim 3, wherein: and a filter valve is arranged on a connecting pipeline between the finished acid liquid cooling heat exchanger (7) and the finished acid liquid conveying pump (8), and the filter valve is close to the finished acid liquid conveying pump (8).
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| CN202122111748.7U CN215975047U (en) | 2021-09-02 | 2021-09-02 | Energy-saving acid water separation thickener |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113735207A (en) * | 2021-09-02 | 2021-12-03 | 钟伯培 | Energy-saving acid water separation thickener |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735207A (en) * | 2021-09-02 | 2021-12-03 | 钟伯培 | Energy-saving acid water separation thickener |
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