CN218512399U - Semi-static exposure device - Google Patents
Semi-static exposure device Download PDFInfo
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- CN218512399U CN218512399U CN202222493402.2U CN202222493402U CN218512399U CN 218512399 U CN218512399 U CN 218512399U CN 202222493402 U CN202222493402 U CN 202222493402U CN 218512399 U CN218512399 U CN 218512399U
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Abstract
The application provides a semi-static exposure device, prepare cabin and at least one exposure test cabin including support, liquid inlet pipe way, transfer liquid pipeline, drainage pipeline, at least one solution, every solution is prepared the cabin and is all set up on the support and feed through liquid inlet pipe way, and every exposure test cabin all sets up on the support and feed through drainage pipeline, and every solution is prepared the cabin and is passed through at least corresponding exposure test cabin of intercommunication in the pipette way. Among the semi-static exposure device that this application provided, when needs are experimental to be traded the liquid, open drain pipe way and pipette way, the test solution in solution preparation cabin can be in order to replace the test solution who exposes the test cabin gradually, thereby need not frequently to catch can be in order to realize test solution replacement process exposing the test fish in the test cabin, the judgement of the relation between test matter concentration and the test fish poisoning reaction in test solution is disturbed to the test fish in catching exposure test cabin has been avoided, the reliability of test result has been ensured.
Description
Technical Field
The utility model belongs to the technical field of environmental toxicology test equipment, more specifically say, relate to a semi-static device that exposes.
Background
In environmental toxicology tests, a fish larva growth test is one of important tests for evaluating the chronic toxic effect of a tested substance on fishes, and is mainly divided into a flow-type exposure test and a semi-static exposure test according to the exposure mode of the fish larva growth test, wherein the flow-type exposure test mainly aims at the tested substance of which the concentration cannot be maintained stably in a test solution, the tested fish is placed in the continuously or intermittently flowing test solution to determine the relation between the concentration of the tested substance in the test solution and the toxic reaction of the tested fish, but precise flow rate control equipment and a flow meter are required in the test process, so that the test device is high in manufacturing cost and difficult to generally apply in a laboratory; the semi-static exposure test is mainly aimed at a test substance capable of relatively maintaining a stable concentration in a test solution, that is, a test fish is placed in a static test solution, and the test solution is periodically replaced to determine the relationship between the concentration of the test substance in the test solution and the toxic reaction of the test fish, generally speaking, most of the test substance can maintain a relatively stable solubility (the degradation half-life period DT50 is greater than 6 hours) in a sample solution, so the semi-static exposure test is a current common test method.
However, in the conventional semi-static exposure test, the test solution needs to be manually prepared several times within a test period to regularly catch the tested fishes into a new test solution, but frequent catching process is easy to affect the health status of the tested fishes, thereby interfering with the judgment of the relationship between the concentration of the tested substances in the test solution and the toxic reaction of the tested fishes and reducing the reliability of the test result.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of this application is to provide a semi-static exposure device to need frequently dispose experimental solution among the semi-static exposure test who solves existence among the prior art, need frequently shift the testee fish simultaneously, thereby influence the health status of testee fish, lead to the technical problem that the test result received the influence.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a semi-static device that exposes, including support, liquid inlet pipe way, liquid transfer pipeline, drainage pipeline, at least one solution prepare cabin and at least one exposure test cabin, every solution is prepared the cabin and is all set up on the support and feed through liquid inlet pipe way, and every exposure test cabin all sets up on the support and feed through drainage pipeline, and every solution is prepared the cabin and is corresponded at least to feed through one exposure test cabin through the liquid transfer pipeline.
In one embodiment, any solution preparation cabin is located above any exposure test cabin, the liquid inlet pipeline is arranged on the support and communicated with the top of each solution preparation cabin, the liquid outlet pipeline is arranged on the support and communicated with the bottom of each exposure test cabin, and the pipette pipelines are respectively communicated with the bottom of each solution preparation cabin and the top of each corresponding exposure test cabin.
In one embodiment, the liquid inlet pipeline is provided with a liquid inlet control valve which is matched with each solution preparation cabin one by one, the liquid outlet pipeline is provided with a liquid outlet control valve which is matched with each exposure test cabin one by one, and the liquid transfer pipeline is provided with a liquid transfer control valve which is matched with each exposure test cabin one by one.
In one embodiment, the semi-static exposure device further comprises induction floating balls which are arranged in each solution preparation cabin one by one, and the induction floating balls are connected with each liquid inlet control valve one by one.
In one embodiment, the semi-static exposure apparatus further comprises an agitator disposed on the frame and extending into each solution preparation chamber.
In one embodiment, the semi-static exposure apparatus further comprises a temperature recorder disposed within each exposure chamber.
In one embodiment, the semi-static exposure device further comprises a lighting assembly, and the lighting assembly is arranged on the bracket and used for providing a lighting environment for the exposure test chamber.
In one embodiment, the side wall of the exposure test chamber is provided with an overflow hole, and the semi-static exposure device further comprises an overflow pipeline communicated with the overflow hole of each exposure test chamber.
In one embodiment, the semi-static exposure device comprises 8 solution preparation cabins and 24 exposure test cabins, and each solution preparation cabin is communicated with the corresponding 3 exposure test cabins through a pipette path.
In one embodiment, each solution preparation chamber has a volume of 60 liters and each exposure test chamber has a volume of 4 liters.
The application provides a semi-static exposure device's beneficial effect lies in, compared with the prior art, every solution preparation cabin passes through at least one exposure test cabin of intercommunication of pipette way in the semi-static exposure device of this application, and solution preparation cabin and feed liquor pipeline intercommunication, exposure test cabin and fluid-discharge line intercommunication, so, prepare the cabin through the feed liquor pipeline to solution and supply test solvent, and mix into right amount tested material and can prepare the test solution in the cabin at solution, the test solution who prepares can flow into in every exposure test cabin through the pipette way, when needing the experiment to change the liquid, open drain pipeline and pipette way, the test solution of solution preparation cabin can replace the test solution of exposure test cabin gradually, thereby need not frequently to catch can realize the test solution replacement process of exposing tested fish in the test cabin, avoided catching the judgement that tested fish interference is on the relation between tested material concentration and the tested fish poisoning reaction in the test solution in the exposure test cabin, the reliability of test result has been ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a semi-static exposure apparatus according to some embodiments of the present disclosure.
Wherein, in the figures, the respective reference numerals:
10. a semi-static exposure device; 100. a support; 200. a solution preparation cabin; 300. exposing the test chamber; 320. an overflow aperture; 420. a liquid inlet pipeline; 440. a drainage line; 460. a liquid transfer pipeline; 480. an overflow line; 500. sensing the floating ball; 600. a stirrer; 700. an illuminating lamp.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application 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 present application and are not intended to limit the present application.
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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, a semi-static exposure apparatus 10 according to some embodiments of the present application will be described, in which the semi-static exposure apparatus 10 includes a frame 100, at least one solution preparation chamber 200, at least one exposure test chamber 300, a liquid inlet pipeline 420, a liquid outlet pipeline 440, and a liquid transfer pipeline 460, wherein each solution preparation chamber 200 is disposed on the frame 100 and communicated with the liquid inlet pipeline 420, each exposure test chamber 300 is disposed on the frame 100 and communicated with the liquid outlet pipeline 440, and each solution preparation chamber 200 is communicated with at least one exposure test chamber 300 through the liquid transfer pipeline 460, so that a test solvent can flow into each solution preparation chamber 200 through the liquid inlet pipeline 420, a test solution prepared in the solution preparation chamber 200 can flow into the corresponding exposure test chamber 300 through the liquid transfer pipeline 460, and a test solution in the exposure test chamber 300 can be discharged through the liquid discharge pipeline 440.
Compared with the prior art, the semi-static exposure device 10 provided by the application has the advantages that each solution preparation cabin 200 in the semi-static exposure device 10 is at least communicated with one exposure test cabin 300 through the liquid transfer pipeline 460, the solution preparation cabins 200 are communicated with the liquid inlet pipeline 420, the exposure test cabins 300 are communicated with the liquid discharge pipeline 440, therefore, test solvents are supplied to the solution preparation cabins 200 through the liquid inlet pipeline 420, test solutions can be prepared in the solution preparation cabins 200 by doping a proper amount of tested substances, the prepared test solutions can completely flow into each exposure test cabin 300 through the liquid transfer pipeline 460, when the test solutions need to be replaced, the liquid discharge pipeline 440 and the liquid discharge pipeline 460 are opened, the test solutions of the solution preparation cabins 200 can gradually replace the test solutions of the exposure test cabins 300, the test solution replacement process can be realized without frequently fishing the tested fishes in the exposure test cabins 300, the judgment of the relation between the concentrations of the tested substances in the test solutions and the test poisoning reaction caused by the interference of the fished exposed fishes in the test cabins 300 is avoided, and the reliability of the test results is guaranteed.
Specifically, in some embodiments, taking the perspective of fig. 1 as an example, the solution preparation chamber 200 and the exposure test chamber 300 are both closed by matching the bottom surface and the side surface, and have a chamber structure with an open top surface, and any solution preparation chamber 200 is located above any exposure test chamber 300, the liquid inlet pipeline 420 is disposed on the rack 100 and is communicated with the top of each solution preparation chamber 200, the liquid outlet pipeline 440 is disposed on the rack 100 and is communicated with the bottom of each exposure test chamber 300, and the pipette pipelines 460 are respectively communicated with the bottom of each solution preparation chamber 200 and the top of each corresponding exposure test chamber 300.
More specifically, in some embodiments, the liquid inlet line 420 is provided with a liquid inlet control valve (not shown) adapted to each solution preparation chamber 200, so as to precisely control the flow rate of the test solvent flowing into each solution preparation chamber 200 through the liquid inlet line 420, the liquid outlet line 440 is provided with a liquid outlet control valve (not shown) adapted to each exposure test chamber 300, so as to precisely control the flow rate of the test solution discharged from each exposure test chamber 300 through the liquid outlet line 440, and the liquid transfer line 460 is provided with a liquid transfer control valve (not shown) adapted to each exposure test chamber 300, so as to precisely control the flow rate of the test solution flowing into each exposure test chamber 300 from each solution preparation chamber 200 through the liquid transfer line 460.
Further, in some embodiments, the lateral wall of the exposure test chamber 300 is provided with an overflow hole 320, the semi-static exposure apparatus 10 further includes an overflow pipe 480, and the overflow pipe 480 is communicated with the overflow hole 320 of each exposure test chamber 300, so that the test solution in the exposure test chamber 300 can be discharged through the overflow hole 320 and the overflow pipe 480 after the test solution is higher than a certain liquid level height, so that the test solution in the solution preparation chamber 200 can continuously flow into the exposure test chamber 300 through the liquid moving pipe 460 without opening the liquid discharging pipe 440, and the test solution in the exposure test chamber 300 can be continuously discharged through the overflow pipe 480, thereby realizing real-time update of the test solution in the exposure test chamber 300, and further ensuring reliability of test results.
Further, in some embodiments, the semi-static exposure apparatus 10 further comprises a plurality of floating induction balls 500 corresponding to the plurality of solution preparation chambers 200, wherein the floating induction balls 500 are correspondingly disposed in each solution preparation chamber 200 one by one, and each liquid inlet control valve is connected to the liquid inlet pipe 420, so that the flow rate of the test solvent flowing from the liquid inlet pipe 420 into the solution preparation chamber 200 can be adaptively adjusted according to the height of the liquid level of the solution preparation chamber 200.
Further, in some embodiments, the semi-static exposure apparatus 10 further includes a number of stirrers 600 adapted to the number of the solution preparation chambers 200, and the stirrers 600 are disposed on the support 100 and extend into each solution preparation chamber 200 one by one, so that the test substance in the solution preparation chamber 200 can be fully mixed with the test solvent by the stirrers 600 during the preparation of the test solution.
Further, in some embodiments, the semi-static exposure apparatus 10 further includes a number of temperature recorders (not shown) adapted to the number of the exposure test chambers 300, and the temperature recorders are disposed on each exposure test chamber 300 one by one for recording the test temperature variation; it should be noted that the temperature recorders can also be flexibly configured according to the test grouping, for example, only one temperature recorder is configured for one or more exposure test chambers 300 with the same concentration.
Further, in some embodiments, the semi-static exposure apparatus 10 further includes an illumination lamp 700, the illumination lamp 700 is disposed on the bracket 100 for providing an illumination environment required for the test for each exposure test chamber 300, and a control switch of the illumination lamp 700 is also disposed on the bracket 100.
Specifically, in some embodiments, the semi-static exposure apparatus 10 includes n solution preparation chambers 200 and 3n exposure test chambers 300, where n is a positive integer, and each solution preparation chamber 200 is connected to the corresponding 3 exposure test chambers 300 through the liquid transfer pipe 460, such that the test solutions prepared by one solution preparation chamber 200 are used to flow into the 3 exposure test chambers 300 respectively to form an experimental group, a control group, and a blank group.
More specifically, in some embodiments, the semi-static exposure apparatus 10 includes eight solution preparation chambers 200 and twenty-four exposure test chambers 300, each solution preparation chamber 200 having a volume of sixty liters and each exposure test chamber 300 having a volume of four liters.
The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a semi-static device that exposes which characterized in that, prepares cabin and at least one exposure test cabin including support, liquid inlet pipe way, liquid transfer pipeline, drainage pipeline, at least one solution, every solution prepare the cabin all set up in on the support and communicate liquid inlet pipe way, every expose the test cabin all set up in on the support and communicate drainage pipeline, every solution prepare the cabin pass through liquid transfer pipeline corresponds at least and communicates one expose the test cabin.
2. The semi-static exposure apparatus according to claim 1, wherein any one of the solution preparation chambers is located above any one of the exposure test chambers, the liquid inlet pipeline is disposed on the bracket and communicated with the top of each solution preparation chamber, the liquid outlet pipeline is disposed on the bracket and communicated with the bottom of each exposure test chamber, and the liquid outlet pipeline is communicated with the bottom of each solution preparation chamber and the top of each corresponding exposure test chamber.
3. The semi-static exposure apparatus of claim 2, wherein the fluid inlet line is provided with a fluid inlet control valve adapted to each of the solution preparation compartments, the fluid outlet line is provided with a fluid outlet control valve adapted to each of the exposure test compartments, and the fluid transfer line is provided with a fluid transfer control valve adapted to each of the exposure test compartments.
4. The semi-static exposure apparatus of claim 3, further comprising an inductive float ball disposed within each solution preparation tank, the inductive float ball being connected to each of the inlet control valves.
5. The semi-static exposure apparatus of claim 1 further comprising an agitator disposed on the frame and extending into each of the solution preparation compartments.
6. The semi-static exposure apparatus of claim 1 further comprising a temperature recorder disposed within each of the exposure test chambers.
7. The semi-static exposure apparatus of claim 1, further comprising a light disposed on the rack for providing an illumination environment for the exposure chamber.
8. The semi-static exposure apparatus of claim 1, wherein the side walls of the exposure test chamber are provided with overflow holes, the semi-static exposure apparatus further comprising an overflow line in communication with the overflow hole of each exposure test chamber.
9. The semi-static exposure apparatus of claim 1, wherein the semi-static exposure apparatus comprises n solution preparation chambers and 3n exposure test chambers, each solution preparation chamber is communicated with 3 corresponding exposure test chambers through the pipette path.
10. The semi-static exposure apparatus of claim 9, wherein the semi-static exposure apparatus comprises eight solution preparation chambers and twenty-four exposure test chambers, each solution preparation chamber having a volume of sixty liters and each exposure test chamber having a volume of four liters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222493402.2U CN218512399U (en) | 2022-09-19 | 2022-09-19 | Semi-static exposure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222493402.2U CN218512399U (en) | 2022-09-19 | 2022-09-19 | Semi-static exposure device |
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| Publication Number | Publication Date |
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| CN218512399U true CN218512399U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222493402.2U Active CN218512399U (en) | 2022-09-19 | 2022-09-19 | Semi-static exposure device |
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| CN (1) | CN218512399U (en) |
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