CN212315615U - Safe concentration system of nitrophenol sodium salt wastewater - Google Patents
Safe concentration system of nitrophenol sodium salt wastewater Download PDFInfo
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- CN212315615U CN212315615U CN202021425744.5U CN202021425744U CN212315615U CN 212315615 U CN212315615 U CN 212315615U CN 202021425744 U CN202021425744 U CN 202021425744U CN 212315615 U CN212315615 U CN 212315615U
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Abstract
The utility model relates to the field of nitro-o-xylene production devices, and discloses a safe concentration system for nitrophenol sodium salt wastewater, which comprises a wastewater transfer tank, a concentration kettle, a wastewater head tank, an overflow box and a concentrated wastewater storage tank; the concentration kettle comprises a kettle body, wherein a feeding port and an air outlet are formed in the top wall of the kettle body, and a discharging port is formed in the bottom wall of the kettle body; a liquid inlet is also formed in the side wall of the kettle body; the discharge gate of concentrated cauldron is linked together with overflow box bottom through the pipeline and is connected, the diapire setting of overflow box is higher than the top of coil in the concentrated cauldron. The utility model discloses can carry out concentrated treatment to nitrophenol sodium salt waste water by safe efficient, avoid causing safe accident.
Description
Technical Field
The utility model relates to a nitro o-xylene apparatus for producing field particularly, relates to nitrophenol sodium salt waste water safety concentration system.
Background
The method comprises the steps of firstly concentrating waste water in an adjacent tower condenser and a middle tower condenser by using waste heat, then directly conveying the concentrated mother liquor to an incinerator for incineration treatment, further improving the concentration degree of the nitrophenol sodium salt waste water due to high water content, and then conveying the waste water to the incineration process for incineration, so that the consumption cost is low and the treatment capacity can be improved.
At present, when the p-nitrophenol sodium salt wastewater is further concentrated, in order to improve the concentration efficiency, the temperature is higher during concentration, excessive concentration is easy to cause dry burning, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe concentrated system of nitrophenol sodium salt waste water can carry out concentrated treatment to nitrophenol sodium salt waste water by safe efficient, avoids causing the safety accident.
The embodiment of the utility model is realized like this:
the safe concentration system for the nitrophenol sodium salt wastewater comprises a wastewater transfer tank, a concentration kettle, a wastewater head tank, an overflow box and a concentrated wastewater storage tank; the concentration kettle comprises a kettle body, wherein a feeding port and an air outlet are formed in the top wall of the kettle body, and a discharging port is formed in the bottom wall of the kettle body; a liquid inlet is also formed in the side wall of the kettle body; the discharge gate of concentrated cauldron is linked together with overflow box bottom through the pipeline and is connected, the diapire setting of overflow box is higher than the top of coil in the concentrated cauldron.
Further, the concentration kettle is also connected with a condenser, and an air outlet on the top wall of the concentration kettle is communicated and connected with an inlet of the condenser through a pipeline; the outlet of the condenser is communicated and connected with the liquid inlet of the concentration kettle through a pipeline; the feed inlet department of concentrated cauldron is provided with the inductor, the exit in waste water elevated tank is provided with first induction controller, the condenser export is provided with second induction controller, inductor, first induction controller and second induction controller electricity are connected.
Furthermore, the condenser is also connected with a condensate storage tank, and an outlet of the condenser is communicated and connected with the condensate storage tank through a pipeline.
Further, a gas-liquid separator is connected between the concentration kettle and the condenser, and a separation outlet of the gas-liquid separator is communicated and connected with a liquid inlet of the concentration kettle through a pipeline.
Further, the kettle body is internally provided with a heating coil, and an inlet and an outlet of the heating coil are arranged on the side wall of the kettle body.
Further, an outlet of the wastewater transfer tank is communicated and connected with an inlet of the wastewater high-level tank through a pipeline; the outlet of the wastewater elevated tank is communicated and connected with the feed inlet of the concentration kettle through a pipeline; the discharge hole of the bottom wall of the concentration kettle is communicated and connected with the inlet of the bottom wall of the overflow box through a pipeline; the outlet of the overflow box is communicated and connected with the inlet of the concentrated wastewater storage tank through a pipeline.
Furthermore, the concentrated wastewater storage tank is also connected with a hot water storage tank, the outer wall of the concentrated wastewater storage tank is provided with a jacket, the outlet of the hot water storage tank is communicated and connected with the inlet of the jacket through a pipeline, and the outlet of the jacket is communicated and connected with the inlet of the hot water storage tank through a pipeline.
Further, the pipelines are made of carbon steel or stainless steel.
The utility model has the advantages that:
the utility model discloses a set up concentrated cauldron and overflow box that the bottom is linked together, make concentrated cauldron and overflow box form the circulation ware, according to circulation ware principle, liquid level in concentrated cauldron and the overflow box remains the same throughout, and the waste liquid in the concentrated cauldron can not discharge completely, has avoided carrying out dry combustion method in the concentrated cauldron and has caused safety accident, and avoids the high temperature to make the waste liquid separate out the sodium phenolate in concentrated process, makes the sodium phenolate recontact high temperature cause the safety accident of burning.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a nitrophenol sodium salt wastewater safety concentration system provided by the embodiment of the utility model;
fig. 2 is a cross-sectional view of a concentration kettle and an overflow box provided by the embodiment of the present invention.
Icon: 1-wastewater transfer tank, 2-concentration kettle, 201-material inlet, 202-gas outlet, 203-material outlet, 204-heating coil pipe, 205-liquid inlet, 3-wastewater head tank, 4-overflow box, 5-concentrated wastewater storage tank, 6-condenser, 7-condensate storage tank, 8-gas-liquid separator and 9-hot water storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Examples
Referring to fig. 1-2, the present embodiment provides a system for safely concentrating nitrophenol sodium salt wastewater, which includes a wastewater middle-position tank 1 and a concentration kettle 2, and further includes a wastewater high-position tank 3, an overflow box 4 and a concentrated wastewater storage tank 5; the concentration kettle 2 comprises a kettle body, wherein the top wall of the kettle body is provided with a feeding port 201 and an air outlet 202, and the bottom wall of the kettle body is provided with a discharging port 203; a liquid inlet 205 is formed in the side wall of the kettle body; the discharge gate 203 of concentrated cauldron 2 is linked together with overflow box 4 bottom through the pipeline and is connected, overflow box 4's diapire sets up the top that is higher than the interior snake of concentrated cauldron 2.
Concentrated cauldron 2 and overflow box 4 that the bottom is linked together form the circulation ware, and according to circulation ware principle, the liquid level in concentrated cauldron 2 and the overflow box 4 remains the same throughout, and the waste liquid in the concentrated cauldron 2 can not discharge completely, has avoided carrying out dry combustion in the concentrated cauldron 2 and has caused the safety accident, and avoids the high temperature to make the waste liquid separate out the sodium phenolate in concentrated process, makes the sodium phenolate contact high temperature again and causes the safety accident of burning.
In this embodiment, the concentration kettle 2 is further connected with a condenser 6, and an air outlet 202 on the top wall of the concentration kettle 2 is communicated with an inlet of the condenser 6 through a pipeline; the outlet of the condenser 6 is communicated and connected with the liquid inlet 205 of the concentration kettle 2 through a pipeline; the pan feeding mouth 201 department of concentrated cauldron 2 is provided with the inductor, the exit of waste water elevated tank 3 is provided with first induction controller, the export of condenser 6 is provided with second induction controller, inductor, first induction controller and second induction controller electricity are connected.
If the feeding port 201 of the concentration kettle 2 breaks down, the sensor senses that feeding at the feeding port 201 of the concentration kettle 2 is interrupted, and information is transmitted to the first sensing controller and the second sensing controller; the first induction controller closes the outlet of the wastewater elevated tank 3 after receiving the information, and does not convey materials to the feeding port 201 of the concentration kettle 2 any more; after receiving the information, the second sensing controller conveys all condensed liquid in the condenser 6 back to the concentration kettle 2 through the liquid inlet 205 of the concentration kettle 2, so that the situation that no material exists in the concentration kettle 2 and the safety accident occurs in dry burning is avoided.
In the embodiment, the condenser 6 is further connected with a condensate storage tank 7, and an outlet of the condenser 6 is communicated and connected with the condensate storage tank 7 through a pipeline; waste gas generated in the concentration kettle 2 enters a condenser 6 to be condensed into liquid, and then is conveyed into a condensate storage tank 7 to be stored for uniform treatment; a gas-liquid separator 8 is connected between the concentration kettle 2 and the condenser 6, and a separation outlet of the gas-liquid separator 8 is communicated and connected with a liquid inlet 205 of the concentration kettle 2 through a pipeline; the waste gas generated in the concentration kettle 2 passes through a gas-liquid separator 8 before entering the condenser 6, and the gas-liquid separator 8 separates out a part of liquid mixed in the waste gas and then conveys the separated liquid back to the concentration kettle 2 for concentration.
In this embodiment, a heating coil 204 is disposed in the kettle body, and an inlet and an outlet of the heating coil 204 are disposed on a side wall of the kettle body; low-pressure steam is introduced into the heating coil 204 to heat and concentrate the wastewater in the kettle body.
In the embodiment, the outlet of the wastewater transfer tank 1 is communicated and connected with the inlet of the wastewater elevated tank 3 through a pipeline; the outlet of the wastewater elevated tank 3 is communicated and connected with the feed inlet 201 of the concentration kettle 2 through a pipeline; the discharge hole 203 on the bottom wall of the concentration kettle 2 is communicated and connected with the inlet on the bottom wall of the overflow box 4 through a pipeline; the outlet of the overflow box 4 is communicated and connected with the inlet of the concentrated wastewater storage tank 5 through a pipeline; the whole system is communicated, so that the safe concentration of the sodium nitrophenolate wastewater is facilitated.
In this embodiment, the concentrated wastewater storage tank 5 is further connected with a hot water storage tank 9, a jacket is arranged on the outer wall of the concentrated wastewater storage tank 5, an outlet of the hot water storage tank 9 is communicated and connected with an inlet of the jacket through a pipeline, and an outlet of the jacket is communicated and connected with an inlet of the hot water storage tank 9 through a pipeline; hot water in the hot water storage tank 9 is introduced into a jacket arranged on the outer wall of the concentrated wastewater storage tank 5 to heat the concentrated wastewater in the concentrated wastewater storage tank 5, so that the concentrated wastewater is prevented from being cooled and absorbing water; the hot water with reduced temperature in the jacket is recycled to the hot water storage tank 9 for heating and recycling.
In this embodiment, the pipes are made of carbon steel or stainless steel; is not easy to rust or corrode.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The safe concentration system for the nitrophenol sodium salt wastewater comprises a wastewater transfer tank (1) and a concentration kettle (2), and also comprises a wastewater elevated tank (3), an overflow box (4) and a concentrated wastewater storage tank (5); the concentrating kettle (2) is characterized by comprising a kettle body, wherein the top wall of the kettle body is provided with a feeding hole (201) and an air outlet (202), and the bottom wall of the kettle body is provided with a discharging hole (203); a liquid inlet (205) is formed in the side wall of the kettle body; the discharge hole (203) of the concentration kettle (2) is communicated and connected with the bottom of the overflow box (4) through a pipeline, and the bottom wall of the overflow box (4) is higher than the top end of a coil in the concentration kettle (2).
2. The safe concentration system of nitrophenol sodium salt wastewater as claimed in claim 1, wherein said concentration kettle (2) is further connected with a condenser (6), and the gas outlet (202) on the top wall of said concentration kettle (2) is connected with the inlet of the condenser (6) through a pipeline; the outlet of the condenser (6) is communicated and connected with the liquid inlet (205) of the concentration kettle (2) through a pipeline; the feed inlet (201) department of concentrated cauldron (2) is provided with the inductor, the exit of waste water elevated tank (3) is provided with first induction controller, condenser (6) export is provided with second induction controller, inductor, first induction controller and second induction controller electricity are connected.
3. The safe concentration system of the nitrophenol sodium salt wastewater as claimed in claim 2, wherein the condenser (6) is further connected with a condensate storage tank (7), and the outlet of the condenser (6) is connected with the condensate storage tank (7) through a pipeline in a communication way.
4. The nitrophenol sodium salt wastewater safety concentration system of claim 3, wherein a gas-liquid separator (8) is further connected between the concentration kettle (2) and the condenser (6), and a separation outlet of the gas-liquid separator (8) is connected with a liquid inlet (205) of the concentration kettle (2) through a pipeline.
5. The safe concentration system for nitrophenol sodium salt wastewater as claimed in claim 1, wherein a heating coil (204) is arranged in the kettle body, and the inlet and outlet of the heating coil (204) are arranged on the side wall of the kettle body.
6. The safe concentration system for the sodium nitrophenol salt wastewater as claimed in claim 1, wherein the outlet of the wastewater transfer tank (1) is connected with the inlet of the wastewater head tank (3) through a pipeline; the outlet of the wastewater elevated tank (3) is communicated and connected with the feed inlet (201) of the concentration kettle (2) through a pipeline; the discharge hole (203) on the bottom wall of the concentration kettle (2) is communicated and connected with the inlet on the bottom wall of the overflow box (4) through a pipeline; the outlet of the overflow box (4) is communicated and connected with the inlet of the concentrated waste water storage tank (5) through a pipeline.
7. The nitrophenol sodium salt wastewater safety concentration system of claim 6, wherein the concentrated wastewater storage tank (5) is further connected with a hot water storage tank (9), the outer wall of the concentrated wastewater storage tank (5) is provided with a jacket, the outlet of the hot water storage tank (9) is connected with the inlet of the jacket through a pipeline, and the outlet of the jacket is connected with the inlet of the hot water storage tank (9) through a pipeline.
8. The safe concentration system of nitrophenol sodium salt wastewater of claim 7, wherein the pipes are all carbon steel or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021425744.5U CN212315615U (en) | 2020-07-17 | 2020-07-17 | Safe concentration system of nitrophenol sodium salt wastewater |
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| CN202021425744.5U CN212315615U (en) | 2020-07-17 | 2020-07-17 | Safe concentration system of nitrophenol sodium salt wastewater |
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| CN212315615U true CN212315615U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689541A (en) * | 2020-07-17 | 2020-09-22 | 四川北方红光特种化工有限公司 | Safe concentration process and concentration system for nitrophenol sodium salt wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111689541A (en) * | 2020-07-17 | 2020-09-22 | 四川北方红光特种化工有限公司 | Safe concentration process and concentration system for nitrophenol sodium salt wastewater |
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