Liquid storage device

Abstract

The utility model relates to the field of liquid storage, in particular to a liquid storage device which comprises a box cover, a box body, a heating structure, a filtering structure and at least one flow guide disc. Wherein the box cover is provided with at least one reflux inlet; at least one liquid outlet is formed in the box body; the heating structure is arranged in the box body and is used for heating liquid in the box body; the filtering structure is arranged in the box body, is located under the reflux inlet and is used for filtering liquid flowing down from the reflux inlet; the flow guide discs are arranged in one-to-one correspondence with the liquid outlets, the flow guide discs are fixedly mounted under the filtering structure, and the flow guide discs are downwards inclined in the direction far away from the corresponding liquid outlets. According to the liquid storage device disclosed by the invention, the pumped liquid can flow into the box body again through the backflow opening and the filtering structure to be stored, the situation that the temperature of the backflow liquid is not changed to the target range and then the backflow liquid is pumped out from the liquid outlet is avoided, the cost is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of liquid storage, and in particular to a liquid storage device. Background Art

[0002] Liquid raw materials are an important type of raw material. In the related art, if there is any liquid raw material left over after being pumped out for use, it is usually discarded in order to avoid impurities mixed in it from contaminating the liquid in the liquid storage device, which causes waste and increases costs. In addition, some liquid raw materials have temperature requirements when used, so they need to be stored within a certain temperature range. For the liquid raw materials that have been pumped out, if they flow back into the liquid storage device, there is a situation where their temperature is not changed to within the target range and they are directly pumped out from the liquid outlet, which is not conducive to production and processing. Utility Model Content

[0003] In order to solve the above technical problems, the present application provides a liquid storage device for saving costs while improving production efficiency.

[0004] According to some embodiments, the present application provides a liquid storage device, comprising:

[0005] A box cover, wherein at least one reflux port is provided on the box cover;

[0006] A box body, the box body is used to contain liquid, and the box body is provided with at least one liquid outlet;

[0007] A heating structure, which is disposed in the box and is used to heat the liquid in the box;

[0008] A filter structure, wherein the filter structure is disposed in the box body, the filter structure is located directly below the reflux port, and the filter structure is used to filter the liquid flowing down from the reflux port;

[0009] At least one guide plate is arranged corresponding to the liquid outlets one by one, and the guide plate is fixedly installed directly below the filter structure, and is arranged to be tilted downward in a direction away from the corresponding liquid outlet.

[0010] In some embodiments of the present application, the box body includes a first side panel, a second side panel, a third side panel and a fourth side panel, the first side panel and the third side panel are arranged opposite to each other along a first direction, and the second side panel and the fourth side panel are arranged opposite to each other along a second direction;

[0011] The filtering structure includes a mesh basket, a slide rail and a cleaning port; wherein the cleaning port is arranged on the first side panel, the slide rail is fixedly installed on the first side panel and corresponds to the position of the cleaning port, and the extension direction of the slide rail is perpendicular to the first side panel, the mesh basket is slidably installed on the slide rail, and the mesh basket can be pulled out through the cleaning port.

[0012] In some embodiments of the present application, the heating structure includes a coil, and the liquid storage device also includes an oil temperature machine. The coil is spirally laid on the bottom of the box and forms an upper and lower double-layer structure. The oil temperature machine is arranged on the outside of the box, and the input and output ends of the coil are both connected to the oil temperature machine through the fourth side plate.

[0013] In some embodiments of the present application, the liquid storage device further includes a temperature sensor, which is disposed inside the box body, and the position of the temperature sensor in the vertical direction is lower than the lowest end of the coil.

[0014] In some embodiments of the present application, the liquid storage device further includes a liquid replenishment structure, and the liquid replenishment structure includes a liquid replenishment port, an input pump, a liquid replenishment pipeline, and at least one liquid replenishment barrel;

[0015] The liquid replenishment port is arranged on the second side plate and connects the inside and outside of the box body. The end of the liquid replenishment port located inside the box body extends to above the guide plate. The end of the liquid replenishment port located outside the box body is connected to the liquid replenishment barrel through the liquid replenishment pipe. The input pump is arranged on the liquid replenishment pipe.

[0016] In some embodiments of the present application, a plurality of the fluid replenishment barrels are connected in parallel via the fluid replenishment pipeline and are all connected to the input pump, and a valve is installed at the outlet of each of the fluid replenishment barrels.

[0017] In some embodiments of the present application, the liquid replenishing structure also includes a first liquid level sensor and a second liquid level sensor, and the first liquid level sensor and the second liquid level sensor are both installed inside the box body, the first liquid level sensor is flush with the top end of the heating structure, and the second liquid level sensor is flush with the lowest point of the guide plate.

[0018] In some embodiments of the present application, the liquid storage device also includes an output pipe and an output pump, the liquid outlet is arranged at the lower end of the second side panel, one end of the output pipe is connected to the liquid outlet, and the output pump is arranged on the output pipe, and the output pump is used to pump out the liquid in the box body.

[0019] In some embodiments of the present application, the two liquid outlets are respectively arranged at the lower ends of the second side plate and the fourth side plate, and the two guide plates are respectively arranged directly below the two net baskets, and the two guide plates are arranged to be tilted downward in the direction away from the respective corresponding liquid outlets.

[0020] In some embodiments of the present application, the liquid storage device further includes an overflow port, which is disposed on the fourth side plate and connected to the inside and outside of the box body, and the axis of the overflow port is slightly lower than the lower edge of the cleaning port.

[0021] The liquid storage device provided in this application can achieve the following beneficial technical effects:

[0022] In the liquid storage device provided in the present application, a reflux port is provided on the box cover and a filtering structure is provided in the box body, so that the pumped out liquid can flow back into the box body through the reflux port and the filtering structure for storage; in addition, by installing a guide plate directly below the filtering structure, it is also possible to prevent the refluxed liquid from being pumped out from the liquid outlet before the temperature is changed to the target range, thereby affecting the use, saving costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings herein are incorporated into the specification and constitute a part of the specification to illustrate embodiments of the present application and are used together with the description to explain the principles of the present application. In these drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the present application, rather than all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 is a schematic structural diagram of a liquid storage device shown in one embodiment of the present application;

[0025] Figure 2 yes Figure 1 The structural diagram of the middle box;

[0026] Figure 3 yes Figure 1 Structural diagram of the filtering structure;

[0027] Figure 4 yes Figure 1 Structural schematic diagram of the heating structure;

[0028] Figure 5 yes Figure 1 Schematic diagram of the structure of the fluid replenishment structure.

[0029] Reference numerals:

[0030] 100, box cover; 110, reflux port;

[0031] 200, box body; 210, liquid outlet; 220, first side plate; 230, second side plate; 240, third side plate; 250, fourth side plate;

[0032] 300, heating structure; 310, coil; 320, oil temperature machine; 330, temperature sensor;

[0033] 400, filtering structure; 410, mesh basket; 420, slide rail; 430, cleaning port;

[0034] 500, guide plate; 510, support plate;

[0035] 600, liquid replenishment structure; 610, liquid replenishment port; 620, input pump; 630, liquid replenishment pipeline; 640, liquid replenishment barrel; 650, valve; 660, first liquid level sensor; 670, second liquid level sensor; 680, servo motor;

[0036] 700, output pipeline; 710, output pump;

[0037] 800, overflow port;

[0038] 900, rack. DETAILED DESCRIPTION

[0039] In order to solve the problem that the temperature of the refluxed liquid in the liquid storage device is not changed to the target range before being pumped out from the liquid outlet, an embodiment of the present application provides a liquid storage device, by arranging a reflux port on the box cover, arranging a filter structure in the box body, and installing a guide plate directly below the filter structure. The pumped out liquid can flow back into the box body through the reflux port and the filter structure for storage, thereby saving costs and improving production efficiency.

[0040] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application. It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily.

[0041] like Figure 1 and Figure 3As shown, the liquid storage device provided in the embodiment of the present application includes a box cover 100, a box body 200, a heating structure 300, a filtering structure 400 and at least one guide plate 500, wherein at least one reflux port 110 is provided on the box cover 100, and at least one liquid outlet 210 is provided on the box body 200 for containing liquid, the heating structure 300 and the filtering structure 400 are both arranged in the box body 200, when the box cover 100 is covered on the box body 200, the filtering structure 400 is located directly below the reflux port 110, and the guide plate 500 is installed directly below the filtering structure 400, and the number of the guide plates 500 corresponds to the liquid outlet 210.

[0042] In this embodiment, if Figure 1 and Figure 3 As shown, two opposite liquid outlets 210 are arranged on the box body 200 along the x-axis direction. Correspondingly, two guide plates 500 are installed in the box body 200. The support plate 510 is used to support the guide plates 500. The two guide plates 500 are arranged to be tilted downward in the direction away from the corresponding liquid outlets 210, that is, from the two ends of the box body 200 along the x-axis direction toward the middle.

[0043] The working process of the above liquid storage device is as follows:

[0044] The liquid in the box 200 is pumped out from the liquid outlet 210 for use, and the remaining liquid after use flows back into the box 200 through the reflux port 110, and flows to the guide plate 500 below after being filtered by the filter structure 400. Since the guide plate 500 is tilted downward in the direction away from the liquid outlet 210, the liquid flows to a position in the box 200 away from the liquid outlet 210 under the guidance of the guide plate 500, and is then fully heated by the heating structure 300, and is pumped out from the liquid outlet 210 when needed.

[0045] By providing a reflux port 110 on the box cover 100 and correspondingly providing a filter structure 400 in the box body 200, the remaining liquid after use can flow back into the liquid storage device, which can avoid waste and prevent impurities in the returned liquid from contaminating all the liquid in the box body 200, thereby saving costs. In addition, the returned liquid can be fully heated by the heating structure 300 after being guided by the guide plate 500, thereby avoiding being directly pumped out again from the liquid outlet 210 before the temperature reaches the target range, thereby ensuring that the liquid pumped out for use meets the target temperature and improving production efficiency.

[0046] It should be noted that, in some embodiments, the heating structure 300 may also be configured to cool the liquid in the liquid storage device, which also falls within the protection scope of the present application.

[0047] In some embodiments, Figure 2As shown, the first direction is the y-axis direction in the figure, the second direction is the x-axis direction in the figure, the first direction is perpendicular to the second direction, and the box body 200 includes a first side plate 220, a second side plate 230, a third side plate 240 and a fourth side plate 250 connected end to end in a clockwise direction, wherein the first side plate 220 and the third side plate 240 are arranged oppositely along the first direction, and the second side plate 230 and the fourth side plate 250 are arranged oppositely along the second direction. The first side plate 220, the second side plate 230, the third side plate 240 and the fourth side plate 250 are all double-layer structures.

[0048] In this embodiment, reference Figure 3 The filtering structure 400 includes a net basket 410, a slide rail 420 and a cleaning port 430, wherein the cleaning port 430 is arranged on the first side plate 220, and the cleaning port 430 corresponds to the net basket 410 one by one; the slide rail 420 is fixedly installed in the box body 200 and extends along the y-axis direction, the slide rail 420 corresponds to the position of the cleaning port 430, the net basket 410 is slidably installed on the slide rail, and the net basket 410 can be pulled out of the box body 200 through the cleaning port 430.

[0049] The first side plate 220, the second side plate 230, the third side plate 240 and the fourth side plate 250 are all arranged in a double-layer structure, so that the liquid in the box body 200 can be better insulated. By arranging the slide rail 420 and the cleaning port 430, if the net basket 410 is blocked by impurities during use, the net basket 410 can be pulled out in time for cleaning to avoid affecting the filtering effect, thereby improving the working efficiency of the liquid storage device.

[0050] In some embodiments, reference Figure 1 and Figure 4 The heating structure 300 includes a coil 310, and the liquid storage device also includes an oil temperature machine 320. The coil 310 is spirally laid on the bottom of the box 200 and forms an upper and lower double-layer structure along the z-axis direction. The input end and the output end of the coil 310 are both connected to the oil temperature machine 320 arranged outside the box 200 through the fourth side plate 250 of the box 200, and the bottom of the oil temperature machine is equipped with rollers for easy movement.

[0051] In this embodiment, the coil 310 is filled with heat transfer oil, and the temperature of the heat transfer oil can be changed by setting the temperature of the oil temperature machine 320. The heat transfer oil with changed temperature flows into the coil 310 and exchanges heat with the liquid in the box 200, thereby changing the temperature of the liquid in the box 200. In other embodiments, the heating structure 300 can also be an electric heating coil, a heating rod, etc., without limitation.

[0052] In some embodiments, Figure 4As shown, the liquid storage device also includes a temperature sensor 330, and the temperature sensor 330 is installed inside the box body 200. In this embodiment, the temperature sensor 330 is installed on the third side plate 240. In the vertical direction, that is, the z-axis direction in the figure, the position of the temperature sensor 330 is lower than the lowest end of the coil 310, so that the measured liquid temperature in the box body 200 is more accurate.

[0053] The setting of the temperature sensor 330 can timely know whether the temperature of the liquid in the box 200 is within the target range, and then change the temperature of the liquid to the target range by controlling the oil temperature machine 320, which is easy to operate.

[0054] In some embodiments, Figure 5 As shown, the liquid storage device further includes a liquid replenishment structure 600, which includes a liquid replenishment port 610, an input pump 620, a liquid replenishment pipeline 630 and at least one liquid replenishment barrel 640, wherein the liquid replenishment port 610 is disposed on the second side plate 230, and one end of the liquid replenishment port 610 located in the box body 200 is located above the guide plate 500 in the z-axis direction. With such a design, the liquid replenished from the liquid replenishment port 610 can flow to a position away from the liquid outlet 210 through the guide of the guide plate 500, and fully exchange heat with the coil 310.

[0055] One end of the liquid replenishment port 610 located outside the box 200 is connected to the liquid replenishment pipe 630, and the other end of the liquid replenishment pipe is connected to the liquid replenishment barrel 640. The input pump 620 is arranged on the liquid replenishment pipe 630, and the input pump 620 is located between the liquid replenishment port 610 and the liquid replenishment barrel 640. The input pump 620 can be, for example, a gear pump, a screw pump, or a vane pump, which can change the flow rate by controlling the rotation speed, and is not limited here.

[0056] In this embodiment, the input pump 620 is connected to the servo motor 680. By changing the rotation speed of the servo motor 680, the flow rate of the liquid replenished from the liquid replenishment barrel 640 can be adjusted. In this way, liquid replenishment can be performed from the liquid replenishment barrel 640 without manual replenishment, saving labor costs.

[0057] In some embodiments, continue to refer to Figure 5 , multiple rehydration barrels 640 can be provided, for example, in the present embodiment, two rehydration barrels 640 are provided. Multiple rehydration barrels 640 are connected in parallel and are connected to the input pump 620 through the rehydration pipe 630, and a valve 650 is installed at the outlet of each rehydration barrel 640. The valve 650 can be, for example, a ball valve or a gate valve, etc., which is not limited here. In this way, when one of the rehydration barrels 640 is in use, the remaining rehydration barrels 640 can be used as backup. When the liquid in the rehydration barrel 640 in use is used up, it is only necessary to close the valve 650 of the rehydration barrel 640 and open the valve 650 of another rehydration barrel 640 to continue rehydration.

[0058] In some embodiments, a heating belt may be provided on the liquid replenishing barrel 640 to preheat the liquid in the liquid replenishing barrel 640 so that the liquid replenished from the liquid replenishing barrel 640 into the box 200 can reach the target temperature faster, thus saving time.

[0059] In some embodiments, the liquid replenishing structure 600 further includes a first liquid level sensor 660 and a second liquid level sensor 670, both of which are disposed inside the box body 200 and installed on any one of the first side plate 220, the second side plate 230, the third side plate 240, and the fourth side plate 250. The first liquid level sensor 660 is flush with the uppermost end of the coil 310, and the second liquid level sensor 670 is flush with the lowermost end of the guide plate.

[0060] In this way, the liquid level can be maintained between the first liquid level sensor 660 and the second liquid level sensor 670, that is, the liquid in the box body 200 always covers the heating structure 300, ensuring that the liquid is fully heated; at the same time, it does not exceed the lowest end of the guide plate 500, ensuring that the liquid flowing in from the reflux port 110 can enter the box body 200 through the guide plate.

[0061] The rehydration process of the rehydration structure 600 is as follows:

[0062] When the liquid level of the liquid stored in the box 200 reaches the first liquid level sensor 660, the liquid replenishing structure 600 starts to work, the valve 650 of one liquid replenishing barrel 640 is opened, and the valve 650 of the other liquid replenishing barrel 640 is closed, and the liquid is pumped into the box 200 from the liquid replenishing barrel 640 through the liquid replenishing pipe 630 and the liquid replenishing port 610 by the input pump 620. Since one end of the liquid replenishing port 610 in the box 200 extends to the top of the guide plate 500, the replenished liquid flows to a position away from the liquid outlet 210 through the guide plate 500 and is fully heated by the heating structure 300; when the liquid level rises to the second liquid level sensor 670, the liquid replenishing structure 600 stops replenishing. During the liquid replenishing process, if the liquid in the liquid replenishing barrel 640 in use is used up, the valve 650 of the liquid replenishing barrel 640 can be closed, and the valve 650 of the standby liquid replenishing barrel 640 can be opened to continue replenishing.

[0063] The liquid replenishing structure 600 provided in this embodiment does not require manual monitoring of the liquid level or manual liquid replenishment, thus saving labor costs and facilitating use.

[0064] In some embodiments, Figure 1 and Figure 2As shown, the liquid storage device further includes an output pipe 700 and an output pump 710, the liquid outlet 210 is arranged at the lower end of the second side plate 230, one end of the output pipe 700 is connected with the liquid outlet 210, the other end of the output pipe 700 is a use end, and the output pump 710 is installed on the output pipe 700 to pump the liquid out of the box body 200. The output pump 710 can be, for example, a diaphragm pump, a gear pump, a centrifugal pump or a vane pump, etc., which is not limited here.

[0065] In some embodiments, Figure 2 As shown, the liquid storage device also includes an overflow port 800, which is arranged on the fourth side plate 250. In the z-axis direction, the axis of the overflow port 800 is slightly lower than the lower edge of the cleaning port 430. It should be noted that "slightly lower than" in this embodiment means that in the vertical direction, the overflow port 800 is located below the cleaning port 430, and the axis of the overflow port 800 is 1-2 cm away from the lower edge of the cleaning port 430. The radius of the overflow port 800 is 1-2 cm. By setting the overflow port 800, the pressure inside and outside the box 200 can be balanced to avoid danger caused by excessive pressure in the box 200. The overflow port 800 can also be used as a liquid level warning to discharge excess liquid in time when the liquid level sensor fails.

[0066] In some embodiments, Figure 1 As shown, the liquid storage device further includes a frame 900, the box body 200 is arranged on the frame 900, and the input pump 620, the servo motor 680 and the output pump 710 are also fixed on the frame 900. Since the positions of the liquid outlet 210 and the liquid infusion port 610 on the box body are difficult to adjust, by setting the frame 900, when it is necessary to replace the input pump 620, the servo motor 680 or the output pump 710 of different models, the installation position thereof on the frame can be directly changed, without having to replace the liquid infusion pipe 630 or the output pipe 700, thereby saving costs.

[0067] In some embodiments, reference Figure 3 and Figure 4 The support plate 510 is provided with a through hole corresponding to the coil 310, and the size of the through hole is adapted to the coil 310. The multiple support plates 510 are arranged at intervals along the second direction, that is, the x-axis direction in the figure. The coil 310 can pass through the through hole of the support plate 510. With this design, the support plate 510 supports both the guide plate 500 and the coil 310, and there is no need to set up an additional supporting structure, which saves space in the box body 200.

[0068] The working process of the above liquid storage device is as follows:

[0069] The liquid in the box body 200 is pumped out from the liquid outlet 210 by the output pump 710 for use. The remaining liquid after use flows through the reflux port 110, and then flows to the guide plate 500 below after being filtered by the net basket 410. Since the guide plate 500 is tilted downward in the direction away from the liquid outlet 210, the liquid flows to a position in the box body 200 away from the liquid outlet 210 under the guidance of the guide plate 500, and is then fully heated by the coil 310. When it is needed, it is pumped out from the liquid outlet 210 by the output pump 710; when the liquid level in the box body 200 reaches the first liquid level sensor 660 after being used, the liquid replenishing structure 600 starts to replenish the liquid, and the liquid replenished from the liquid replenishing structure 600 also flows through the guidance of the guide plate 500 to a position in the box body 200 away from the liquid outlet 210 and is fully heated; when the net basket 410 is blocked by impurities in the refluxed liquid, the net basket 410 is drawn out through the cleaning port 430 for cleaning.

[0070] By providing a reflux port 110 on the box cover 100 and correspondingly providing a mesh basket 410 in the box body 200, the remaining liquid after use can be filtered and stored again in the liquid storage device, which can avoid waste and pollution, thereby saving costs. The returned liquid and the replenished liquid can be fully heated by the heating structure 300 through the guidance of the guide plate 500, thereby avoiding the liquid being directly pumped out again from the liquid outlet 210 before the temperature reaches the target range, thereby ensuring that the liquid being pumped out meets the target temperature and improving production efficiency. In addition, there is no need for manual monitoring of the liquid level and manual rehydration, which saves labor costs.

[0071] The contents described above may be implemented individually or in combination in various ways, and these variations are all within the protection scope of this application.

[0072] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "back", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0073] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0074] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0075] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0076] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0077] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A liquid storage device, characterized in that: The liquid storage device comprises: A box cover, wherein at least one reflux port is provided on the box cover; A box body, the box body is used to contain liquid, and the box body is provided with at least one liquid outlet; A heating structure, which is disposed in the box and is used to heat the liquid in the box; A filter structure, wherein the filter structure is disposed in the box body, the filter structure is located directly below the reflux port, and the filter structure is used to filter the liquid flowing down from the reflux port; At least one guide plate is arranged corresponding to the liquid outlets one by one, and the guide plate is fixedly installed directly below the filter structure, and is arranged to be tilted downward in a direction away from the corresponding liquid outlet.

2. The liquid storage device according to claim 1, characterized in that: The box body comprises a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate and the third side plate are arranged opposite to each other along a first direction, and the second side plate and the fourth side plate are arranged opposite to each other along a second direction; The filtering structure includes a mesh basket, a slide rail and a cleaning port; wherein the cleaning port is arranged on the first side panel, the slide rail is fixedly installed on the first side panel and corresponds to the position of the cleaning port, and the extension direction of the slide rail is perpendicular to the first side panel, the mesh basket is slidably installed on the slide rail, and the mesh basket can be pulled out through the cleaning port.

3. The liquid storage device according to claim 2, characterized in that: The heating structure includes a coil, and the liquid storage device also includes an oil temperature machine. The coil is spirally laid on the bottom of the box and forms an upper and lower double-layer structure. The oil temperature machine is arranged outside the box, and the input end and the output end of the coil are both connected to the oil temperature machine through the fourth side plate.

4. The liquid storage device according to claim 3, characterized in that: The liquid storage device further comprises a temperature sensor, which is arranged inside the box body and is located vertically below the lowest end of the coil.

5. The liquid storage device according to claim 2, characterized in that: The liquid storage device also includes a liquid replenishment structure, which includes a liquid replenishment port, an input pump, a liquid replenishment pipeline and at least one liquid replenishment barrel; The liquid replenishment port is arranged on the second side plate and connects the inside and outside of the box body. The end of the liquid replenishment port located inside the box body extends to above the guide plate. The end of the liquid replenishment port located outside the box body is connected to the liquid replenishment barrel through the liquid replenishment pipe. The input pump is arranged on the liquid replenishment pipe.

6. The liquid storage device according to claim 5, characterized in that: The multiple rehydration barrels are connected in parallel through the rehydration pipeline and are all connected to the input pump. A valve is installed at the outlet of each rehydration barrel.

7. The liquid storage device according to claim 5, characterized in that: The liquid replenishing structure also includes a first liquid level sensor and a second liquid level sensor, both of which are installed inside the box body, the first liquid level sensor is flush with the uppermost end of the heating structure, and the second liquid level sensor is flush with the lowest point of the guide plate.

8. The liquid storage device according to claim 2, characterized in that: The liquid storage device also includes an output pipe and an output pump. The liquid outlet is arranged at the lower end of the second side plate, one end of the output pipe is connected to the liquid outlet, and the output pump is arranged on the output pipe, and the output pump is used to pump out the liquid in the box.

9. The liquid storage device according to claim 2, characterized in that: The two liquid outlets are respectively arranged at the lower ends of the second side plate and the fourth side plate, and the two guide plates are respectively arranged directly below the two net baskets. In the direction away from the respective corresponding liquid outlets, the two guide plates are inclined downward.

10. The liquid storage device according to claim 2, characterized in that: The liquid storage device also includes an overflow port, which is arranged on the fourth side plate and communicates with the inside and outside of the box body, and the axis of the overflow port is slightly lower than the lower edge of the cleaning port.

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