CN216073119U

CN216073119U - Waste liquid inactivation system

Info

Publication number: CN216073119U
Application number: CN202122262957.1U
Authority: CN
Inventors: 张健; 薛永
Original assignee: Truking Watertown Pharmaceutical Equipment Co Ltd
Current assignee: Truking Watertown Pharmaceutical Equipment Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-18
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a waste liquid inactivation system, which comprises a receiving tank, an inactivation tank and a pipeline assembly, wherein the receiving tank is connected with the inactivation tank; the inactivation tank is provided with a stirrer and a temperature detector, and the stirrer is used for stirring the liquid to be inactivated in the inactivation tank; the pipeline assembly comprises a first pipeline and a second pipeline, the two ends of the first pipeline are respectively communicated with the receiving tank and the inactivation tank, and the second pipeline is used for conveying heating media towards the inactivation tank. The receiving tank receives the liquid to be inactivated and sends the liquid to be inactivated into the inactivation tank through the first pipeline, the liquid to be inactivated in the inactivation tank is heated and heated by the heating medium, in the heating and heating process, whether the temperature reaches the standard is detected through the temperature detector, and the liquid to be inactivated in the inactivation tank is turned and stirred through the stirrer, so that the heating medium heats the liquid to be inactivated more uniformly, the temperature gradient of the liquid to be inactivated from the lower layer to the upper layer is reduced, the uniform heating is ensured, and the heating time is shortened; meanwhile, the heating time is shortened, and the receiving tank does not need to be selected too much.

Description

Waste liquid inactivation system

Technical Field

The utility model relates to the technical field of biological wastewater treatment, in particular to a waste liquid inactivation system.

Background

In biopharmaceuticals, vaccines refer to automatic immune preparations for preventing infectious diseases, which are prepared from pathogenic microorganisms (such as bacteria, rickettsia, viruses, etc.) and metabolites thereof by artificial attenuation, inactivation, or transgenosis. In the process of researching vaccines and preparing vaccines, biological laboratories, vaccine production workshops and the like all generate live-toxin wastewater which cannot be directly discharged and can be discharged only after being treated and inactivated and meeting requirements.

For the treatment of the living toxic wastewater of the bio-pharmaceuticals, a wastewater inactivation system is generally utilized to inactivate the living toxic wastewater based on a sterilization process, and all pathogenic microorganisms on the substances or in the medium are killed by a physical or chemical method. However, the conventional sterilization process has problems of uneven heating, slow temperature rise, etc., resulting in a prolonged time for batch treatment of wastewater and an excessive selection of the receiving tank.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need for a spent liquor inactivation system; this waste liquid inactivation system is treating when the inactivation of inactivation liquid, and the heating is even, and the intensification is faster, and can not lead to receiving jar the too big scheduling problem of lectotype.

The technical scheme is as follows:

one embodiment provides a spent liquor inactivation system comprising:

a receiving tank for receiving a liquid to be inactivated;

the inactivation tank is used for inactivating the liquid to be inactivated, the inactivation tank is provided with a stirrer and a temperature detector, the stirrer is used for stirring the liquid to be inactivated in the inactivation tank, and the temperature detector is used for detecting the temperature of the liquid to be inactivated in the inactivation tank;

the pipeline assembly comprises a first pipeline and a second pipeline, the two ends of the first pipeline are respectively communicated with the receiving tank and the inactivation tank, one end of the second pipeline is communicated with the inactivation tank, and the second pipeline is used for conveying a heating medium into the inactivation tank.

According to the waste liquid inactivation system, the receiving tank receives a liquid to be inactivated and sends the liquid to the inactivation tank through the first pipeline, a heating medium such as steam is conveyed to the inactivation tank through the second pipeline, the heating medium is used for heating and warming the liquid to be inactivated in the inactivation tank, in the heating and warming process, the temperature detector is used for detecting whether the temperature reaches the standard or not, and the stirrer is used for overturning and stirring the liquid to be inactivated in the inactivation tank, so that the heating and warming of the liquid to be inactivated by the heating medium are more uniform, the temperature gradient of the liquid to be inactivated from the lower layer to the upper layer is reduced, the uniform heating is ensured, and the heating time is shortened; meanwhile, the heating time is shortened, and the receiving tank does not need to be selected too much.

The technical solution is further explained below:

in one embodiment, the liquid to be inactivated after inactivation in the inactivation tank is an inactivated liquid, and the waste liquid inactivation system further includes a cooling assembly disposed on the inactivation tank and configured to cool the inactivated liquid.

In one embodiment, the inactivation tank is arranged in a cylindrical shape, the cooling assembly comprises a cooling pipe, the cooling pipe is wound on the outer wall of the inactivation tank, and the wall surface of the cooling pipe is matched with the wall surface of the inactivation tank to form a heat exchange wall;

the pipeline assembly further comprises a third pipeline, one end of the third pipeline is communicated with the inlet end of the cooling pipe, and the third pipeline is used for conveying a cooling medium into the cooling pipe.

In one embodiment, the duct assembly further includes a fourth duct, one end of the fourth duct is communicated with the outlet end of the cooling pipe, and the inlet end of the cooling pipe is located at a lower height than the outlet end of the cooling pipe.

In one embodiment, a first liquid level detector is arranged in the receiving tank and is used for detecting the liquid level of the liquid to be inactivated in the receiving tank;

or/and a second liquid level detector is arranged in the inactivation tank and used for detecting the liquid level of the liquid to be inactivated in the inactivation tank.

In one embodiment, the second pipeline is further provided with a regulating valve for regulating the amount of the heating medium entering the inactivation tank;

and an ejector is further arranged at one end of the second pipeline and fixed on the inactivation tank, and the ejector is used for conveying the heating medium in the second pipeline into the inactivation tank.

In one embodiment, the regulating valve is electrically connected with the temperature detector.

In one embodiment, one end of the first pipeline is communicated with the bottom of the receiving tank, and the other end of the first pipeline is communicated with the top of the inactivation tank;

be equipped with first play liquid valve and pump body on the first pipeline, first play liquid valve is used for control in the receiving jar treat the output quantity of inactivation liquid, the pump body is located first play liquid valve with between the inactivation jar.

In one embodiment, the pipeline assembly further comprises a fifth pipeline, one end of the fifth pipeline is communicated with the inactivation tank, the fifth pipeline is used for discharging the inactivated liquid, and a second liquid outlet valve is arranged on the fifth pipeline.

In one embodiment, the other end of the fifth pipeline is communicated with the first pipeline, and the connection position of the fifth pipeline and the first pipeline is positioned between the first liquid outlet valve and the pump body; the first pipeline is also provided with a first liquid inlet valve, and the first liquid inlet valve and the first liquid outlet valve are respectively positioned at two opposite sides of the pump body;

the pipeline assembly further comprises a sixth pipeline, the sixth pipeline is communicated with the first pipeline, and the connection position of the sixth pipeline and the first pipeline is located between the pump body and the first liquid inlet valve;

and a third liquid outlet valve is further arranged on the sixth pipeline, and the connection position of the sixth pipeline and the first pipeline is positioned between the third liquid outlet valve and the first liquid inlet valve.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.

FIG. 1 is a schematic diagram of the overall structure of a spent liquor inactivation system in an embodiment of the present invention;

fig. 2 is a schematic layout of the deactivation tank and piping assembly of the embodiment of fig. 1.

Reference is made to the accompanying drawings in which:

100. a receiving tank; 200. an inactivation tank; 310. a first pipeline; 311. a first liquid outlet valve; 312. a pump body; 313. a first liquid inlet valve; 320. a second pipeline; 321. adjusting a valve; 322. an ejector; 330. a third pipeline; 340. a fourth pipeline; 350. a fifth pipeline; 351. a second liquid outlet valve; 360. a sixth pipeline; 361. A third liquid outlet valve; 370. a seventh pipeline; 410. a cooling tube; 500. a stirrer.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1 and 2, one embodiment provides a spent fluid inactivation system including a receiving tank 100, an inactivation tank 200, and a piping assembly. Wherein:

as shown in fig. 1, the receiving tank 100 is used for receiving a fluid to be inactivated.

In the embodiment shown in fig. 1, the receiving tank 100 is substantially cylindrical, and a seventh pipeline 370 is connected to the receiving tank 100, and the seventh pipeline 370 is used for conveying the liquid to be inactivated into the receiving tank 100.

As shown in fig. 1 and 2, the inactivation tank 200 is configured to inactivate the fluid to be inactivated, the inactivation tank 200 is provided with a stirrer 500 and a temperature detector, the stirrer 500 is configured to stir the fluid to be inactivated in the inactivation tank 200, and the temperature detector is configured to detect a temperature of the fluid to be inactivated in the inactivation tank 200.

In the embodiment shown in fig. 1 and 2, the stirrer 500 is disposed at the bottom of the inactivation tank 200, when the solution to be inactivated in the inactivation tank 200 reaches a certain amount, the stirrer 500 is turned on, and the second pipeline 320 conveys a heating medium, such as steam, toward the inactivation tank 200, on one hand, the heating medium heats the solution to be inactivated in the inactivation tank 200, on the other hand, the stirrer 500 stirs the solution to be inactivated in the inactivation tank 200, so that the solution to be inactivated in the inactivation tank 200 is heated uniformly, thereby preventing a temperature gradient from being formed between the upper layer and the lower layer of the solution to be inactivated, and ensuring uniform heating, meanwhile, due to the stirring effect, the heating is not only uniform, but also the heating speed is accelerated, thereby shortening the time of inactivation treatment.

Due to the fact that the time of inactivation treatment is shortened, the time of waiting for conveying the liquid to be inactivated in the receiving tank 100 to the inactivation tank 200 is shortened, the receiving tank 100 does not need to consider the fact that a large amount of liquid to be inactivated needs to be contained, the type selection is too large, the type selection difficulty of the receiving tank 100 is reduced, and meanwhile the configuration cost and the production occupied space of the waste liquid inactivation system are reduced.

Referring to fig. 1 and 2, the pipeline assembly includes a first pipeline 310 and a second pipeline 320, both ends of the first pipeline 310 are respectively communicated with the receiving tank 100 and the inactivation tank 200, one end of the second pipeline 320 is communicated with the inactivation tank 200, and the second pipeline 320 is used for conveying a heating medium into the inactivation tank 200.

In the waste liquid inactivation system, a receiving tank 100 receives a liquid to be inactivated and sends the liquid to be inactivated into an inactivation tank 200 through a first pipeline 310, a heating medium such as steam is conveyed into the inactivation tank 200 through a second pipeline 320, the liquid to be inactivated in the inactivation tank 200 is heated and warmed by the heating medium, in the heating and warming process, whether the temperature reaches the standard is detected through a temperature detector, and the liquid to be inactivated in the inactivation tank 200 is overturned and stirred through a stirrer 500, so that the heating and warming of the liquid to be inactivated by the heating medium are more uniform, the temperature gradient of the liquid to be inactivated from a lower layer to an upper layer is reduced, the uniform heating is ensured, and the heating time is shortened; at the same time, the heating time is shortened and the receiving tank 100 for buffering the liquid to be inactivated does not need to be over-sized.

It should be noted that:

the seventh pipeline 370 continuously conveys the solution to be inactivated to the receiving tank 100, and the inactivation treatment of the solution to be inactivated by the inactivation tank 200 is batch-type rather than continuous, so that the treatment of the solution to be inactivated is performed by a high-temperature inactivation treatment in a batch-type manner.

Optionally, the heating medium is industrial steam.

In one embodiment, referring to fig. 1 and fig. 2, the liquid to be inactivated in the inactivation tank 200 is an inactivated liquid, and the waste liquid inactivation system further includes a cooling component disposed on the inactivation tank 200 and configured to cool the inactivated liquid.

After the deactivation of treating the inactivation liquid in the deactivation jar 200, the temperature of the deactivation liquid in the deactivation jar 200 is very high, must carry out cooling treatment after can discharging, and the cooling module is used for carrying out cooling treatment to the deactivation liquid to make the deactivation liquid reach the temperature requirement of discharging.

It should be noted that:

during the cooling process, the agitator 500 is activated to ensure rapid cooling of the inactivated liquid, and when the inactivated liquid has cooled to a discharge temperature (e.g. 40 ℃ to 50 ℃), the agitator 500 is turned off, and at the same time, the cooling assembly is turned off (specifically, the cooling medium is not delivered) and no further cooling is performed.

In one embodiment, referring to fig. 1 and 2, the inactivation tank 200 is cylindrical, the cooling assembly includes a cooling pipe 410, the cooling pipe 410 is wound around the outer wall of the inactivation tank 200, and the wall surface of the cooling pipe 410 and the wall surface of the inactivation tank 200 cooperate to form a heat exchange wall.

Compare traditional cooling method, need not to set up the pump and carry out the circulation flow cooling of deactivation liquid to avoid the pump because with the cavitation scheduling problem that deactivation liquid contact leads to of high temperature.

In one embodiment, referring to fig. 1 and 2, the pipe assembly further includes a third pipe 330, one end of the third pipe 330 is communicated with the inlet end of the cooling pipe 410, and the third pipe 330 is used for conveying a cooling medium into the cooling pipe 410.

In the embodiment shown in fig. 1 and 2, the cooling pipe 410 is wound around the outer wall of the inactivation tank 200, the pipe wall of the cooling pipe 410 and the pipe wall of the inactivation tank 200 are attached together to form a heat exchange wall, and when a cooling medium flows in the cooling pipe 410, the heat of the inactivated liquid in the inactivation tank 200 is absorbed by the heat exchange wall, so that heat exchange between the cooling medium and the inactivated liquid is realized, and the cooling effect on the inactivated liquid is achieved.

Optionally, as in the embodiment shown in fig. 2, the cross section of the cooling tube 410 is semicircular, the cooling tube 410 is spirally and circumferentially arranged along the height direction of the inactivation tank 200, and the cooling tube 410 is welded and fixed to the outer wall of the inactivation tank 200, in this case, it can be understood that the wall surface of the cooling tube 410 does not exist, and the outer wall portion of the inactivation tank 200 corresponding to the cooling tube 410 directly forms a heat exchange wall for heat exchange, which is not described again.

Optionally, the cooling medium is cooling water.

In one embodiment, referring to fig. 1 and 2, the pipe assembly further includes a fourth pipe 340, one end of the fourth pipe 340 is communicated with the outlet end of the cooling pipe 410, and the inlet end of the cooling pipe 410 is located at a lower height than the outlet end of the cooling pipe 410.

In the embodiment shown in fig. 2, the lower end of the cooling pipe 410 is connected to the third pipe 330, and the upper end of the cooling pipe 410 is connected to the fourth pipe 340. When cooling is needed, the third pipeline 330 inputs a cooling medium, and the cooling medium circles and circles along the outer circumference of the inactivation tank 200 from bottom to top and is output from the fourth pipeline 340, so that cooling of the inactivated liquid in the inactivation tank 200 is realized.

In one embodiment, a first level detector is provided in the receiving tank 100 for detecting the level of the liquid to be inactivated in the receiving tank 100.

In one embodiment, a second level detector is provided in the inactivation tank 200, and is configured to detect a level of the fluid to be inactivated in the inactivation tank 200.

In the embodiment shown in fig. 1, the receiving tank 100 receives the transported solution to be inactivated through the seventh pipeline 370, the seventh pipeline 370 continuously transports the solution to be inactivated into the receiving tank 100, the first liquid level detector detects the liquid level of the solution to be inactivated in the receiving tank 100, and when the solution to be inactivated in the receiving tank 100 reaches the set liquid level, the solution to be inactivated begins to be transported into the inactivating tank 200 through the first pipeline 310.

When receiving jar 100 and will treating when deactivation liquid is carried towards in the deactivation jar 200, the liquid level height of the liquid of treating the deactivation in the deactivation jar 200 is detected to the second liquid level detector, and when the liquid of treating in the deactivation jar 200 reaches the liquid level height that sets for, the deactivation jar 200 stops to receive and treats the deactivation liquid, and later, the deactivation jar 200 begins to heat and the deactivation is handled treating to the liquid of treating in it.

In one embodiment, referring to fig. 1 and 2, the second pipeline 320 is further provided with a regulating valve 321, and the regulating valve 321 is used for regulating the amount of the heating medium entering the inactivation tank 200.

In one embodiment, referring to fig. 1 and 2, an injector 322 is further disposed at one end of the second pipeline 320, the injector 322 is fixed on the inactivation tank 200, and the injector 322 is used for delivering the heating medium in the second pipeline 320 to the inactivation tank 200.

In the embodiment shown in fig. 1 and 2, the second pipeline 320 is provided with a regulating valve 321 and an injector 322, the regulating valve 321 is used for regulating the amount of the heating medium entering the inactivation tank 200 so as to heat the solution to be inactivated in the inactivation tank 200 according to a preset requirement, and the injector 322 injects the heating medium, such as industrial steam, into the inactivation tank 200 by means of injection.

In one embodiment, the regulating valve 321 is electrically connected to the temperature detector.

In the inactivation treatment process, the temperature detector feeds back the temperature to the regulating valve 321, and the regulating valve 321 proportionally regulates the amount of the heating medium entering the ejector 322 according to the inactivation temperature set in the inactivation tank 200 and the current temperature fed back by the temperature detector, so that the liquid to be inactivated in the inactivation tank 200 is heated to the preset temperature.

Specifically, the method comprises the following steps: when the temperature of the solution to be inactivated in the inactivation tank 200 reaches a set value, the heating medium is not input any more, the regulating valve 321 is closed, and the inactivation temperature in the inactivation tank 200 is maintained for a specified sterilization time. During the temperature keeping period, if the temperature of the solution to be inactivated in the inactivation tank 200 is lower than the set value, the adjusting valve 321 adjusts the proportion of the heating medium entering the ejector 322 according to the temperature value fed back by the temperature detector, so that a proper amount of heating medium enters the inactivation tank 200, the temperature in the inactivation tank 200 is maintained at the set inactivation temperature, and the inactivation temperature is maintained until the sterilization time is over. In addition, the stirrer 500 is always operated during the temperature maintenance to ensure uniform heating of the solution to be inactivated.

In one embodiment, referring to fig. 1, one end of the first pipe 310 is in communication with the bottom of the receiving tank 100, and the other end of the first pipe 310 is in communication with the top of the inactivation tank 200.

In one embodiment, referring to fig. 1, a first outlet valve 311 and a pump 312 are disposed on the first pipeline 310, the first outlet valve 311 is used for controlling the output of the solution to be inactivated in the receiving tank 100, and the pump 312 is disposed between the first outlet valve 311 and the inactivation tank 200.

In the embodiment shown in fig. 1, the first pipeline 310 is provided with a first liquid outlet valve 311, the seventh pipeline 370 continuously conveys the liquid to be inactivated into the receiving tank 100, when the first liquid level detector detects that the liquid level of the liquid to be inactivated in the receiving tank 100 reaches a set liquid level, the first liquid outlet valve 311 is opened, and the liquid to be inactivated enters the inactivating tank 200, when the second liquid level detector in the inactivating tank 200 detects that the liquid level of the liquid to be inactivated in the inactivating tank 200 reaches a set requirement, the first liquid outlet valve 311 is closed, and the liquid to be inactivated is stopped being conveyed into the inactivating tank 200, and the seventh pipeline 370 continuously conveys the liquid to be inactivated into the receiving tank 100 without stopping. During the transportation of the fluid to be inactivated from the receiving tank 100 into the inactivation tank 200, the pump body 312 is opened, thereby ensuring that the fluid to be inactivated can enter the inactivation tank 200 from the receiving tank 100.

Alternatively, the pump body 312 may be a tubing pump disposed within the first conduit 310.

In one embodiment, referring to fig. 1 and fig. 2, the pipeline assembly further includes a fifth pipeline 350, one end of the fifth pipeline 350 is communicated with the inactivation tank 200, the fifth pipeline 350 is used for discharging the inactivated liquid, and a second liquid outlet valve 351 is disposed on the fifth pipeline 350.

In the embodiment shown in fig. 1 and 2, the upper end of the fifth pipe 350 is connected to the bottom of the inactivation tank 200, and after the inactivated liquid is cooled, the second outlet valve 351 is opened to discharge the cooled inactivated liquid through the fifth pipe 350.

In one embodiment, referring to fig. 1 and fig. 2, the other end of the fifth pipeline 350 is communicated with the first pipeline 310, and the connection position of the fifth pipeline 350 and the first pipeline 310 is located between the first liquid outlet valve 311 and the pump body 312; the first pipeline 310 is further provided with a first liquid inlet valve 313, and the first liquid inlet valve 313 and the first liquid outlet valve 311 are respectively located on two opposite sides of the pump body 312.

In one embodiment, referring to fig. 1 and 2, the pipe assembly further includes a sixth pipe 360, the sixth pipe 360 is communicated with the first pipe 310, and a connection position of the sixth pipe 360 and the first pipe 310 is located between the pump body 312 and the first liquid inlet valve 313.

In an embodiment, referring to fig. 1 and fig. 2, a third liquid outlet valve 361 is further disposed on the sixth pipeline 360, and a connection position of the sixth pipeline 360 and the first pipeline 310 is located between the third liquid outlet valve 361 and the first liquid inlet valve 313.

In the embodiment shown in fig. 1 and 2, the lower end of fifth pipe 350 communicates with first pipe 310 at a position between first outlet valve 311 and pump body 312.

It can be understood that:

when the liquid to be inactivated in the receiving tank 100 is conveyed towards the inactivating tank 200, the first liquid outlet valve 311 is opened, the second liquid outlet valve 351 is closed, the first liquid inlet valve 313 is opened, the third liquid outlet valve 361 is closed, the pump body 312 is opened, and at this time, the first pipeline 310 forms a conveying channel of the liquid to be inactivated.

After a set amount of liquid to be inactivated is received in the inactivation tank 200, the first liquid outlet valve 311 is closed, the second liquid outlet valve 351 is closed, the first liquid inlet valve 313 is closed, the third liquid outlet valve 361 is closed, the pump body 312 is closed, and at this time, no liquid flows through the first pipeline 310.

After the inactivation tank 200 completes inactivation treatment on the to-be-inactivated liquid in the inactivation tank and cools the formed inactivated liquid, the first liquid outlet valve 311 is closed, the second liquid outlet valve 351 is opened, the first liquid inlet valve 313 is closed, the third liquid outlet valve 361 is opened, the pump body 312 is opened, and at the moment, the first pipeline 310 and the sixth pipeline 360 are matched to form a discharge channel of the inactivated liquid.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A spent liquor inactivation system, comprising:

a receiving tank for receiving a liquid to be inactivated;

2. The spent liquor inactivation system of claim 1, wherein the fluid to be inactivated after inactivation in the inactivation tank is an inactivated fluid, the spent liquor inactivation system further comprising a cooling assembly disposed on the inactivation tank for cooling the inactivated fluid.

3. The waste liquid inactivation system of claim 2, wherein the inactivation tank is cylindrically configured, the cooling assembly comprises a cooling tube wound around an outer wall of the inactivation tank, and a wall surface of the cooling tube cooperates with a wall surface of the inactivation tank to form a heat exchange wall;

4. The spent liquor inactivation system of claim 3, wherein the conduit assembly further comprises a fourth conduit, one end of the fourth conduit being in communication with the outlet end of the cooling tube, the inlet end of the cooling tube being at a lower elevation than the outlet end of the cooling tube.

5. The spent liquor inactivation system of claim 1, wherein the receiving tank is provided with a first level detector for detecting a level of the liquid to be inactivated in the receiving tank;

6. The spent liquor inactivation system of any of claims 1-5, wherein the second conduit is further provided with a regulating valve for regulating the amount of heating medium entering the inactivation tank;

7. The spent liquor inactivation system of claim 6, wherein the adjustment valve is electrically connected to the temperature detector.

8. The spent liquor inactivation system of any of claims 1-5, wherein one end of the first conduit is in communication with the bottom of the receiving tank and the other end of the first conduit is in communication with the top of the inactivation tank;

9. The waste liquid inactivation system of claim 8, wherein the tube assembly further comprises a fifth tube, one end of the fifth tube is in communication with the inactivation tank, the fifth tube is configured to discharge the inactivated liquid, and a second liquid outlet valve is disposed on the fifth tube.

10. The spent liquor inactivation system of claim 9, wherein the other end of the fifth pipeline is in communication with the first pipeline, and a connection location of the fifth pipeline to the first pipeline is between the first effluent valve and the pump body; the first pipeline is also provided with a first liquid inlet valve, and the first liquid inlet valve and the first liquid outlet valve are respectively positioned at two opposite sides of the pump body;