Biological waste liquid continuous inactivation system

Abstract

The utility model discloses a biological waste liquid continuous inactivation system which comprises a tank body, a pump body and a heat preservation device which are sequentially communicated, the tank body is used for receiving biological waste liquid, a mixed heating device is arranged between the pump body and the heat preservation device, and the mixed heating device comprises a heating cavity communicated with a heating medium; considering that the arrangement space of the biological waste liquid inactivation system is limited in practical application, the mixed heating equipment comprises the heating cavity, and the heating cavity is communicated with the heating medium and the waste liquid, so that the heating medium directly exchanges heat with the waste liquid, and compared with a heat exchanger, the mixed heating equipment has the advantages that the space utilization can be effectively reduced, the cost is reduced and the energy consumption is reduced. And heat loss can be reduced through direct heat exchange.

Description

TECHNICAL FIELD

[0001] The utility model relates to biological waste liquid treatment technical field, especially in a kind of biological waste liquid continuous inactivation system. BACKGROUND

[0002] Biopharmaceutical companies usually use batch processing to inactivate the waste liquid containing active microorganisms discharged by factory. The existing inactivation treatment, such as patent No. CN116395767A, a kind of biological waste liquid continuous inactivation system and method, waste liquid is first preheated and then heated, and then enters the incubator for a certain time. The preheating device further includes two series preheating heat exchangers. The heater used in the heating process is a spiral plate heat exchanger. The heat exchanger itself has high cost and large volume, which is not suitable for space-limited sites. UTILITY MODEL CONTENT

[0003] The utility model aims to provide a kind of biological waste liquid continuous inactivation system, solve the problem of high cost and large volume of existing continuous inactivation equipment.

[0004] The utility model is realized as follows. A kind of biological waste liquid continuous inactivation system includes tank body, pump body and incubator communicated in sequence. The tank body is used to receive biological waste liquid. The pump body and the incubator are provided with a mixed heating device. The mixed heating device includes a heating cavity communicated with a heat medium.

[0005] After the waste liquid in the tank body reaches a certain amount, the waste liquid is heated to a set temperature by the pump body through the mixed heating device and then enters the incubator for a certain incubation time to perform continuous inactivation treatment on the waste liquid. Considering the limited space for arranging the inactivation system of biological waste liquid in actual application, the mixed heating device in the utility model includes a heating cavity. The heating cavity is communicated with the heat medium and the waste liquid, so that the heat medium directly exchanges heat with the waste liquid. Compared with using a heat exchanger, the utility model can effectively reduce the use of space and reduce the cost. Moreover, direct heat exchange can reduce heat loss.

[0006] A further technical solution of the utility model is that the heating cavity includes a liquid inlet portion with gradually decreasing diameter. The gradually decreasing diameter of the liquid inlet portion improves the flow rate of liquid inlet.

[0007] A further technical solution of the utility model is that the mixed heating device further includes a heat medium area and an inclined hole. The heat medium area and the heating cavity are communicated through the inclined hole. The heat medium in the heat medium area enters the heating cavity through the inclined hole and directly mixes with the waste liquid in the heating cavity to heat the waste liquid. This structure has small space requirement and meets the requirement of setting the waste liquid continuous inactivation system in a small space.

[0008] The further technical scheme of the utility model discloses: the flowmeter is established between the pump body and the mixed heating equipment, the flowmeter and the pump body are connected with the controller. The tank body collects the biological waste liquid from the production line or laboratory, opens the pump body when reaching certain liquid level, and according to the feedback variable frequency control pump flow to the set value, guarantees the temperature of waste liquid after heat exchange.

[0009] The further technical scheme of the utility model discloses: the mixed heating equipment and heat medium are communicated through the heating pipeline, and the adjusting valve for adjusting the heat medium inlet amount is arranged on the heating pipeline. The temperature of biological waste liquid from the heat preservation equipment is controlled to reach the inactivation temperature through the adjusting valve and the heat preservation equipment outlet temperature sensor.

[0010] The further technical scheme of the utility model discloses: the heat preservation equipment includes the curved heat preservation pipeline. The waste liquid continuously passes through the heat preservation pipeline, and the heat preservation pipeline is designed to be curved to guarantee heat preservation time and space occupation.

[0011] The further technical scheme of the utility model discloses: the inactivation system further includes the tee pipeline and the cooling equipment, the tee pipeline is connected with the heat preservation equipment, the tank body and the cooling equipment respectively, and one end of the tee pipeline connected with the heat preservation equipment is equipped with the temperature sensor. The temperature of biological waste liquid from the pipeline heat preservation equipment is controlled to reach the sterilization temperature above through the adjusting valve and the pipeline heat preservation equipment outlet temperature sensor. The biological waste liquid not reaching the sterilization temperature is returned to the tank body through the tee connected with the tank body, and the biological waste liquid reaching the sterilization temperature is connected with the cooling equipment to realize mixing with tap water, cooling and discharging.

[0012] The further technical scheme of the utility model discloses: the cooling equipment includes the tap water pipeline for being connected with tap water and the mixer, the tap water pipeline is connected with the tee pipeline in parallel, and the mixer is arranged on the tee pipeline. The biological waste liquid reaching the sterilization temperature is mixed with tap water after passing through the heat preservation equipment, is cooled and discharged through the mixer.

[0013] The further technical scheme of the utility model discloses: the inactivation system further includes the cleaning tank for storing cleaning agent, the cleaning tank liquid inlet is connected with the tap water pipeline for being connected with tap water, and the cleaning tank liquid outlet is connected with the tank body. After inactivation, the whole system needs to be cleaned, tap water is entered into the cleaning tank, enters the tank body after adding lye, and the whole system is cleaned.

[0014] The utility model discloses a beneficial effect: the waste liquid in the jar body reaches certain quantity after, through pump body will waste liquid first after heating to the setting temperature of mixed heating equipment enters the heat preservation equipment and carries out heat preservation setting time, and the continuous inactivation treatment is carried out to waste liquid, considering the arrangement space of inactivation system of biological waste liquid in practical application is limited, the mixed heating equipment in the utility model includes heating cavity, and heating cavity is linked with heat medium and is linked with waste liquid simultaneously, makes heat medium direct heat exchange with waste liquid, compared with the heat exchanger can effectively reduce the utilization of space and reduced cost simultaneously, and direct heat exchange can also reduce heat loss.

[0015] The utility model discloses energy -conserving and equipment volume is small. Through using the continuous inactivation system of configuration mixed heating equipment, pipeline heat preservation equipment and mixer, the timely processing of waste liquid can be realized, the problem of long inactivation period and large inactivation jar volume is solved, and since the pipeline type steam water mixed heating equipment is configured, waste liquid can be directly heated using industrial steam, waste liquid can be directly cooled using tap water, heat loss when using the heat exchanger can be reduced, steam and tap water consumption are reduced, and operating cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the schematic diagram of biological waste liquid continuous inactivation system provided by the utility model,

[0017] Figure 2 It is the flow direction diagram of waste liquid and tap water and heat medium of biological waste liquid continuous inactivation system provided by the utility model,

[0018] Figure 3 It is the structural schematic diagram of mixed heating equipment provided by the utility model.

[0019] Signification of drawing: 1. jar body, 2. pump body, 3. mixed heating equipment, 31. heating cavity, 32. heat medium area, 33. inclined hole, 34. regulating valve, 4. heat preservation equipment, 5. flow meter, 6. three-way pipe, 7. cooling equipment, 71. tap water pipe, 72. mixer, 8. cleaning jar. DETAILED DESCRIPTION

[0020] The following through specific concrete example explains the implementation of the utility model of the present application, and the person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. The utility model can also be implemented or applied by another different specific implementation, and each detail in the specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

[0021] It should be noted that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this invention, should still fall within the scope of the disclosed technical content. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0022] Example 1:

[0023] Figures 1-2 A continuous inactivation system for biological waste liquid is shown, including a tank 1, a pump 2 and a heat preservation device 4 connected in sequence. The tank 1 is used to receive biological waste liquid. A mixing and heating device 3 is provided between the pump 2 and the heat preservation device 4. The mixing and heating device 3 includes a heating chamber 31 that is connected to a heat medium.

[0024] Once the waste liquid in the tank reaches a certain volume, it is first heated to a set temperature by a mixing and heating device via a pump, and then enters a heat preservation device for a set time to continuously inactivate the waste liquid. Considering the limited space available for the biological waste liquid inactivation system in practical applications, the mixing and heating device in this invention includes a heating chamber that is connected to both the heat medium and the waste liquid, allowing the heat medium to directly exchange heat with the waste liquid. Compared to using a heat exchanger, this effectively reduces space utilization and lowers costs, and direct heat exchange also reduces heat loss.

[0025] In this embodiment, the heating chamber 31 includes a liquid inlet section with a gradually decreasing diameter. The gradually decreasing diameter of the liquid inlet section increases the flow rate of the liquid.

[0026] In this embodiment, the mixing and heating device 3 further includes a heat medium zone 32 and an oblique hole 33, wherein the heat medium zone 32 and the heating chamber 31 are connected through the oblique hole 33. The heat medium in the heat medium zone enters the heating chamber through the oblique hole and directly mixes with the waste liquid in the heating chamber to heat the waste liquid, reducing heat loss and requiring less space, thus meeting the requirement of setting up a continuous waste liquid inactivation system in a small space.

[0027] In this embodiment, the heat transfer medium is industrial steam.

[0028] In the embodiment, the flow meter 5 is arranged between the pump body 2 and the mixed heating device 3, and the pump body 2 and the flow meter 5 are connected with the controller. The tank body collects biological waste liquid from a production line or a laboratory, the pump body is opened when a certain liquid level is reached, the pump flow is controlled to a set value according to the feedback of the flow meter, and the temperature of the waste liquid after heat exchange is ensured.

[0029] In the embodiment, the mixed heating device 3 is communicated with the heat medium through a heating pipeline, and the heating pipeline is provided with an adjusting valve 34 for adjusting the inlet amount of the heat medium. The temperature of the biological waste liquid out of the pipeline heat preservation device is controlled to reach the inactivation temperature through the adjusting valve and the outlet temperature sensor of the heat preservation device.

[0030] In the embodiment, the heat preservation device 4 comprises a curved heat preservation pipeline. The waste liquid continuously passes through the heat preservation pipeline, and the heat preservation pipeline is designed to be curved in order to ensure the heat preservation time and space occupation.

[0031] In the embodiment, the inactivation system further comprises a three-way pipeline 6 and a cooling device 7, the three-way pipeline 6 is connected with the heat preservation device 4, the tank body 1 and the cooling device 7 respectively, and one end, connected with the heat preservation device 4, of the three-way pipeline 6 is provided with a temperature sensor. The temperature of the biological waste liquid out of the pipeline heat preservation device is controlled to reach the sterilization temperature through the adjusting valve and the outlet temperature sensor of the pipeline heat preservation device. The biological waste liquid not reaching the sterilization temperature is returned to the tank body through the three-way pipeline connected with the tank body, and the biological waste liquid reaching the sterilization temperature is connected with the cooling device to realize mixing with tap water and cooling and discharging.

[0032] In the embodiment, the cooling device 7 comprises a tap water pipeline 71 for connecting with tap water and a mixer 72, the tap water pipeline 71 is connected with the three-way pipeline 6 in parallel, and the mixer 72 is arranged on the three-way pipeline 6. The biological waste liquid reaching the sterilization temperature is mixed with tap water after passing through the heat preservation device, is fully mixed through the mixer and is cooled and discharged.

[0033] In the embodiment, the liquid outlet is connected with the tap water pipeline 71 for connecting with tap water, and the liquid outlet of the cleaning tank 8 is connected with the tank body 1. After inactivation is completed, the whole system needs to be cleaned, tap water enters the cleaning tank, alkali liquid is added to enter the tank body, and the whole system is cleaned.

[0034] The utility model discloses energy -conserving and equipment volume is small. Through using the configuration has mixed heating device, pipeline heat preservation device and mixer's continuous inactivation system can realize the timely processing of waste liquid, has solved the problem of long inactivation period and large inactivation tank volume, and simultaneously, since the pipeline type steam water mixed heating device is arranged, can utilize industrial steam to directly heat waste liquid, and can utilize tap water to directly cool waste liquid, can reduce the heat loss when using heat exchanger, reduces the consumption of steam and tap water, and reduces operating cost.

[0035] The working principle of the utility model is: the tank body collects biological waste liquid from production line or laboratory, opens the pump body when reaching certain liquid level, and the pump flow is controlled to the set value according to the feedback variable frequency control flowmeter. The biological waste liquid is heated through the mixing heating equipment, and then passes through the pipeline heat preservation equipment, and the time of the biological waste liquid passing through the pipeline heat preservation equipment is controlled to be above 90 seconds according to the flow, pipeline diameter and pipeline length. The temperature of the biological waste liquid out of the pipeline heat preservation equipment reaches above 134 DEG C through the regulating valve 34 and the pipeline heat preservation equipment outlet temperature sensor control. The biological waste liquid not reaching the sterilization temperature 134 DEG C is circulated back to the tank body through the pipeline, and the biological waste liquid reaching the sterilization temperature 134 DEG C is mixed with tap water after passing through the pipeline heat preservation equipment, and is discharged after being fully mixed and cooled by the mixer.

[0036] According to the 90-second sterilization time and the 134 DEG C sterilization temperature, the sterilization Fo value can be calculated to be 30, and the sterilization effect is equivalent to 121 DEG C sterilization for 30 minutes.

[0037] The pipe body is connected with the cleaning tank, the cleaning tank is a reducing barrel, the alkali barrel is provided with alkali, and the circulating alkali liquid is used for periodically cleaning the whole system.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A continuous inactivation system for biological waste liquid, comprising a tank (1) for receiving biological waste liquid, a pump (2) and a heat preservation device (4) connected in sequence, characterized in that, The pump body (2) is provided with a mixing and heating device (3) between the pump body (2) and the heat preservation device (4), the mixing and heating device (3) comprises a heating cavity (31) communicated with a heat medium; the mixing and heating device (3) further comprises a heat medium area (32) and an inclined hole (33), the heat medium area (32) is communicated with the heating cavity (31) through the inclined hole (33).

2. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The heating cavity (31) comprises a liquid inlet portion with gradually reduced diameter.

3. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The pump body (2) and the mixing and heating device (3) are provided with a flow meter (5), the flow meter (5) and the pump body (2) are connected with a controller.

4. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The mixing and heating device (3) is communicated with the heat medium through a heating pipeline, the heating pipeline is provided with an adjusting valve (34) for adjusting the heat medium inlet amount.

5. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The heat preservation device (4) comprises a curved heat preservation pipeline.

6. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The inactivation system further comprises a three-way pipeline (6) and a cooling device (7), the three-way pipeline (6) is connected with the heat preservation device (4), the tank body (1) and the cooling device (7) respectively, one end of the three-way pipeline (6) connected with the heat preservation device (4) is provided with a temperature sensor.

7. A continuous inactivation system for biological waste liquids according to claim 6, wherein, The cooling device (7) comprises a tap water pipeline (71) for connecting with tap water and a mixer (72), the tap water pipeline (71) is connected with the three-way pipeline (6) in parallel, and the mixer (72) is arranged on the three-way pipeline (6).

8. The system for continuous inactivation of biological waste liquid according to claim 1, wherein The inactivation system further comprises a cleaning tank (8) for storing a cleaning agent, a liquid inlet of the cleaning tank (8) is connected with the tap water pipeline (71) for connecting with tap water, and a liquid outlet of the cleaning tank (8) is connected with the tank body (1).

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