CN216962162U - Dash pressure relief device and drink of dashing bubble equipment and dash system - Google Patents

Abstract

The utility model relates to the field of beverage brewing equipment, in particular to a pressure relief device of brewing equipment and a beverage brewing system, wherein the pressure relief device comprises a liquid inlet pipe, a pressure relief cavity and a liquid discharge pipe, the liquid inlet pipe is communicated with the inside of the pressure relief cavity, and the liquid inlet pipe comprises a liquid inlet pipe inlet and a liquid inlet pipe outlet; the liquid inlet pipe outlet is arranged in the pressure relief cavity, the liquid discharge pipe comprises a liquid discharge pipe inlet and a liquid discharge pipe outlet, and the liquid discharge pipe is communicated with the inside of the pressure relief cavity through the liquid discharge pipe inlet; the liquid inlet pipe outlet is arranged above the liquid discharge pipe inlet. The pressure relief cavity disperses pressure through the volume of the pressure relief cavity, so that the pressure of liquid entering through the liquid inlet pipe is reduced, and the pressure is converted into power for pushing the liquid to flow out; the pressure liquid containing steam is separated from gas by gravity, so that gas moves upwards and liquid is accumulated and sinks, the gas and liquid are prevented from being mixed, and the effect of quickly separating and reducing pressure like stirring is achieved.

Description

Dash pressure relief device and drink of dashing bubble equipment and dash system

Technical Field

The utility model relates to the field of beverage brewing equipment, in particular to a pressure relief device of the brewing equipment and a beverage brewing system.

Background

In the currently common low-pressure beverage brewing devices, the following methods are generally adopted: filling hot water into the container through a pipeline, wherein brewing raw materials such as tea leaves, milk powder, coffee beans and the like are added into the container in advance before the hot water is filled into the container; after soaking is completed according to a certain time and process, the beverage in the container needs to be stirred by an open stirring device, the stirring device mainly separates most hot air mixed with the beverage from the beverage, and the hot air is released along an exposed opening of the open stirring device, so that the pressure of the beverage is reduced, and splashing is avoided in the process of outputting the beverage.

However, such an open-type stirring device is easy to be contaminated due to lack of sealing during stirring, is not sanitary, and is easy to cause taint of different beverages in the device. However, if the stirring device is closed, the pressure is easily released in time and completely, which not only easily causes splashing when outputting the beverage, but also easily causes sealing failure of each pipe connection port of the device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect (deficiency) of the prior art, and provides a pressure relief device of brewing equipment and a beverage brewing system, which are used for solving the problems of tainting of odor and sanitation caused by the fact that the pressure relief equipment cannot be sealed in the prior brewing equipment.

The technical scheme adopted by the utility model is that the pressure relief device of the brewing equipment comprises a liquid inlet pipe, a pressure relief cavity and a liquid discharge pipe, wherein the liquid inlet pipe is communicated with the inside of the pressure relief cavity and comprises a liquid inlet pipe inlet and a liquid inlet pipe outlet; the liquid inlet pipe outlet is arranged in the pressure relief cavity, the liquid discharge pipe comprises a liquid discharge pipe inlet and a liquid discharge pipe outlet, and the liquid discharge pipe is communicated with the inside of the pressure relief cavity through the liquid discharge pipe inlet; the outlet of the liquid inlet pipe is arranged above the inlet of the liquid discharge pipe.

In the technical scheme, the liquid inlet pipe is used for guiding the pressurized liquid to enter the pressure relief cavity; the pressure relief cavity is used for gas-liquid separation and reducing liquid pressure; the liquid discharge pipe is used for discharging the liquid after pressure reduction; the inlet of the liquid inlet pipe can be connected with a brewing device in the brewing equipment; the outlet of the liquid inlet pipe releases the liquid with pressure into the pressure relief cavity; the liquid discharge pipe inlet is used for guiding liquid at the lower part of the pressure relief cavity into the liquid discharge pipe; the liquid discharge outlet can be connected with a final output port of the brewing device.

Specifically, the pressure of the pressure relief cavity is dispersed through the volume of the pressure relief cavity, so that the pressure of liquid entering through the liquid inlet pipe is reduced, the liquid is converted into power for pushing the liquid to flow out, and splashing caused by overlarge liquid pressure is effectively avoided; under the action of the liquid inlet pipe, the pressure liquid containing steam realizes gas-liquid separation, the gas moves upwards under the action of gravity, the liquid is accumulated and sinks, the liquid is discharged firstly under the action of weakened pressure of the liquid discharge pipe, and the gas is slowly released after the liquid is emptied, so that the problem of gas and liquid mixing and splashing is avoided.

Preferably, the liquid inlet pipe comprises an input section and an output section which guide the liquid to move from bottom to top; the input section is arranged below the output section; a turning section with two ends respectively communicated with the input section and the output section is arranged between the input section and the output section; and a non-return device is arranged on the turning section.

In the technical scheme, the input section is used for being connected with a brewing device; the downward and upward direction is used for reducing the pressure of the liquid; the upper part and the lower part of the input section and the output section are designed for reducing the liquid pressure on two sides; the turning section is used for communicating the input section with the output section; the non-return means helps to prevent liquid backflow.

Specifically, by utilizing the multi-section design of the liquid inlet pipe, the pressure of the liquid entering the pressure relief cavity is reduced under the combined action of turning, gravity and the like, and meanwhile, the pressure required by the liquid entering the liquid inlet pipe is increased, so that the pressure accumulated in the sealed pipeline is fully consumed; and reduces foaming of the liquid. Simultaneously, under the effect of check valve, can avoid the pressure release after the part remain the liquid backward flow in the feed liquor pipe, simple structure is effective.

Preferably, the pressure relief cavity is provided with a splash-proof structure, and the splash-proof structure is opposite to the outlet of the liquid inlet pipe. In the technical scheme, the splash-proof structure is used for forming a barrier near the outlet of the liquid inlet pipe and limiting the spraying or flowing direction of liquid; specifically, the splashproof structure helps reducing the large tracts of land of liquid in the pressure release intracavity and sprays or the flow of control liquid through forming the side and the upper surface at the feed liquor pipe export, thereby reduces the bubble of liquid.

Preferably, the upper part of the pressure relief cavity has a large horizontal section, the lower part of the pressure relief cavity has a small horizontal section, and an inclined structure with two sides inclined to the middle is arranged between the upper part and the lower part. In the technical scheme, the upper part is used for blocking pressure liquid and is mainly used for storing and dispersing gas; the lower part is used for storing liquid; the inclined structure is used for collecting liquid.

Specifically, the design that the upper section is large and the lower section is small is beneficial to increasing the space for distributing the pressure gas, so that the pressure gas can rise rapidly, and the liquid is separated from the pressure gas and is rapidly concentrated at the lower part; the pressure gas is mainly water vapor; the inclined structure is beneficial to quickly gathering the dispersed, sputtered and condensed liquid in the middle part, so that the liquid is conveniently and quickly discharged; on the other hand, the liquid in the pressure relief cavity can be completely emptied, and the cleanness of the pressure relief cavity is maintained.

Preferably, the outlet of the liquid inlet pipe faces upwards and is arranged at the upper part of the pressure relief cavity; the inlet of the liquid discharge pipe faces to one lateral side of the pressure relief cavity and is arranged at the lower part of the pressure relief cavity. In the technical scheme, the outlet of the liquid inlet pipe is staggered with the inlet of the liquid discharge pipe; the outlet of the liquid inlet pipe faces upwards to reduce the distance between the liquid and the splash-proof structure; and the inlet of the liquid discharge pipe faces to one lateral side of the pressure relief cavity and is used for being matched with the bottom surface of the pressure relief cavity.

Specifically, staggering the outlet of the liquid inlet pipe and the inlet of the liquid outlet pipe helps to prevent pressurized gas from being directly output, and ensures that the pressure relief device acts; the upward outlet of the liquid inlet pipe is beneficial to improving the function of the splash-proof structure, so that gas and liquid are quickly separated under the action of gravity; the orientation of the drain inlet helps to reduce the rate of liquid outflow.

Preferably, the bottom of the pressure relief cavity is inclined, one side close to the liquid discharge pipe is low, and the other side far away from the liquid discharge pipe is high; and the pressure relief cavity is also provided with a heat preservation device. In the technical scheme, the bottom is inclined to concentrate the liquid in the pressure relief cavity on one side; the lower side close to the liquid discharge is designed for intensively discharging the liquid; the heat preservation device is used for maintaining the temperature of the liquid.

Specifically, the bottom is obliquely matched with a liquid discharge pipe to be communicated with the lower part, so that liquid in the pressure relief cavity can be emptied, the cleanness of the pressure relief cavity is kept, and liquid accumulation is avoided; the heat preservation device can set up just help reducing the influence that liquid received ambient temperature on the outer wall of pressure release chamber, guarantee drink taste.

A beverage brewing system comprising: the liquid supply kit, the heating container, the brewing device and the pressure relief device of the brewing device are sequentially communicated in series through connecting pipes to form a sealed liquid transmission pipeline.

In the technical scheme, the liquid supply kit is used for quantitatively inputting liquid to the heating container; the heating container is used for heating the liquid to a specified temperature; the brewing device is used for adding raw materials and carrying out sealed brewing operation; the pressure relief device is used for reducing the output pressure of the beverage; the connecting pipe is used for connecting the liquid supply kit with the heating container, the heating container with the brewing device, the brewing device with the pressure relief device.

Specifically, under the action of the pressure relief device, the pressure problem generated in the brewing process of the brewing device is eliminated, and the splashing caused by the direct output of the brewing device is avoided; meanwhile, the brewing device adopts a completely sealed design, so that the problem of taint of flavor of the beverage caused by an open type stirring design is solved; the sealed pipeline liquid transmission pipeline ensures that the whole brewing process is more sanitary.

Preferably, the liquid supply kit comprises a control valve, a dosing container and a flow controller which are sequentially communicated in series; the quantitative container is communicated with an external water source through a control valve; the quantitative container is communicated with the heating container through the flow controller. In the technical scheme, the control valve is used for controlling an external water source to enter the control valve; the quantitative container is used for prestoring a proper amount of liquid; the flow controller is used for controlling the amount of liquid injected into the heating container.

Specifically, in order to realize accurate quantitative liquid feeding to the heating container and reduce the cost and complexity of a liquid feeding kit, the distance of liquid feeding is shortened by arranging a quantitative container for pre-storing liquid, so that the control precision of a flow controller is improved; the quantitative container does not need to accurately control the amount, and the liquid can be supplied by an external liquid supply device.

Preferably, the pressure relief device further comprises a liquid supply pump for driving the liquid supply kit to supply liquid to the heating container, a hot water pump for driving the heating container to supply liquid to the brewing device, and an air pump for driving the brewing device to supply liquid to the pressure relief device. In the technical scheme, the liquid supply pump is used for pumping liquid in the quantitative container and conveying the liquid into the heating container; the hot water pump is used for pumping liquid in the heating container and conveying the liquid into the brewing device; the air pump is used for discharging liquid in the brewing device into the pressure relief device through air.

Specifically, the flow controller controls the start and stop of the liquid supply pump to provide quantitative liquid for the heating container; the hot water pump is used for inputting the heated liquid into the brewing device to form the combination of hot water and brewing materials, so that hot water brewing is realized; the air pump quickly empties the brewed liquid in the brewing device under the action of air, and effectively cleans the brewing device to a certain extent and ensures complete emptying.

Preferably, a safety valve is further provided, the safety valve being in communication with the heating container. In the technical scheme, the safety valve is used for timely relieving pressure when the pressure in the liquid transmission pipeline is too high. In particular, the safety valve can effectively protect the safety of the liquid transmission pipeline, and the safety valve is required to be arranged on at least the heating container because the rapid pressure rise is easy to occur in the heating process when the heating container is connected with the heating container.

Compared with the prior art, the utility model has the beneficial effects that: the pressure relief cavity disperses pressure through the volume of the pressure relief cavity, so that the pressure of liquid entering through the liquid inlet pipe is reduced, and the pressure is converted into power for pushing the liquid to flow out; the pressure liquid containing steam is separated from gas and liquid under the action of gravity, so that the gas moves upwards, the liquid is accumulated and sinks, the gas and the liquid are prevented from being mixed, and the effect of quickly separating and reducing the pressure like stirring is achieved. The multi-section design of the liquid inlet pipe is utilized, and the pressure of liquid entering the pressure relief cavity is reduced under the combined action of turning, gravity and the like, so that the pressure accumulated in the sealed pipeline is fully consumed, and the structure is simple and effective. The pressure relief device eliminates the pressure problem generated in the brewing process of the brewing device, avoids splashing caused by direct output of the brewing device, enables the brewing device to adopt a completely sealed design, and eliminates the problem of taint of the taste of the beverage caused by an open stirring design; the whole brewing process is more sanitary by matching with a sealed pipeline liquid transmission pipeline.

Drawings

Fig. 1 is a perspective view of a pressure relief device according to the present invention.

Fig. 2 is a cross-sectional view of a pressure relief device of the present invention.

Fig. 3 is a schematic view of the beverage brewing system of the present invention.

Description of the figures quoted: the device comprises a liquid supply kit 001, a control valve 101, a quantitative container 102, a flow control 103, a heating container 002, a brewing device 003, a pressure relief device 004, a liquid inlet pipe 410, a liquid inlet pipe inlet 411, a liquid inlet pipe outlet 412, an input section 413, a turning section 414, a non-return device 415, an output section 416, a pressure relief cavity 420, a splash-proof structure 421, an inclined structure 422, a heat preservation device 423, a liquid discharge pipe 430, a liquid discharge pipe inlet 431, a liquid discharge pipe outlet 432, a connecting pipe 005, a liquid supply pump 006, a hot water pump 007, an air pump 008 and a safety valve 009.

Detailed Description

The drawings are only for purposes of illustration and are not to be construed as limiting the utility model. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in FIG. 1, the present embodiment is a pressure relief device 004 of a brewing apparatus, comprising an inlet tube 410, a pressure relief chamber 420 and a drain tube 430. As shown in fig. 2, the liquid inlet pipe 410 is communicated with the inside of the pressure relief chamber 420, and the liquid inlet pipe 410 includes a liquid inlet pipe inlet 411 and a liquid inlet pipe outlet 412; the liquid inlet pipe outlet 412 is arranged in the pressure relief cavity 420, the liquid discharge pipe 430 comprises a liquid discharge pipe inlet 431 and a liquid discharge pipe outlet 432, and the liquid discharge pipe 430 is communicated with the interior of the pressure relief cavity 420 through the liquid discharge pipe inlet 431; the inlet pipe outlet 412 is disposed above the drain pipe inlet 431. The liquid inlet pipe 410 includes an input section 413 and an output section 416 for guiding the liquid to move from bottom to top; the input section 413 is disposed below the output section 416; a turning section 414 with two ends respectively communicated with the input section 413 and the output section 416 is also arranged between the input section 413 and the output section 416; the turning section 414 is provided with a check device 415. The pressure relief chamber 420 is provided with a splash guard 421, and the splash guard 421 faces the liquid inlet pipe outlet 412.

The upper part of the pressure relief cavity 420 has a large horizontal section, the lower part has a small horizontal section, and an inclined structure 422 is arranged between the upper part and the lower part, wherein two sides of the inclined structure are inclined towards the middle part. The outlet 412 of the liquid inlet pipe faces upwards and is arranged at the upper part of the pressure relief cavity 420; the drain inlet 431 is directed to one lateral side of the relief chamber 420 and is disposed at a lower portion of the relief chamber 420. The bottom of the pressure relief cavity 420 is inclined, and one side close to the drain pipe 430 is lower, and the other side far away from the drain pipe 430 is higher; the pressure relief cavity is also provided with a thermal insulation device 423.

Example 2

This embodiment is a beverage brewing system, comprising: the liquid supply kit 001, the heating container 002 and the brewing device 003 are connected in series through the connecting pipe 005 to form a sealed liquid transmission pipeline, and the liquid supply kit 001, the heating container 002, the brewing device 003 and the pressure relief device 004 are sequentially communicated in series. The liquid supply kit 001 is used for quantitatively supplying liquid to the heating container 002; the heating container 002 is used to heat the liquid to a specified temperature; the brewing device 003 is used for adding raw materials and carrying out sealed brewing operation; the pressure relief device 004 is used for reducing the output pressure of the beverage; the connecting pipe 005 is used for connecting the liquid supply kit 001 with the heating container 002, the heating container 002 with the brewing device 003, the brewing device 003 with the pressure relief device 004.

The pressure relief device 004 comprises a liquid inlet pipe 410, a pressure relief cavity 420 and a liquid discharge pipe 430, the liquid inlet pipe 410 is communicated with the inside of the pressure relief cavity 420, and the liquid inlet pipe 410 comprises a liquid inlet pipe inlet 411 and a liquid inlet pipe outlet 412; the liquid inlet pipe outlet 412 is arranged in the pressure relief cavity 420, the liquid discharge pipe 430 comprises a liquid discharge pipe inlet 431 and a liquid discharge pipe outlet 432, and the liquid discharge pipe 430 is communicated with the interior of the pressure relief cavity 420 through the liquid discharge pipe inlet 431; the inlet pipe outlet 412 is disposed above the drain pipe inlet 431. The liquid inlet pipe 410 is used for guiding the pressurized liquid into the pressure relief cavity 420; the pressure relief cavity 420 is used for gas-liquid separation and reducing liquid pressure; the drain pipe 430 is used for discharging the liquid after pressure reduction; the inlet 411 of the liquid inlet pipe can be connected with a brewing device 003 in the brewing device; the liquid inlet pipe outlet 412 releases the liquid under pressure into the pressure relief cavity 420; a drain inlet 431 for directing liquid from the lower portion of the relief chamber 420 into the drain 430; the liquid discharge outlet can be connected to the final output port of the brewing device.

In this embodiment, the liquid inlet pipe 410 is further provided with a reinforcing structure, and the reinforcing structure is arranged outside the pressure relief device 004 and is sleeved on the liquid inlet pipe 410; the outer wall of the pressure relief cavity 420 is provided with a heat preservation device 423; the lower part of the pressure relief cavity 420 is provided with a fixing structure. The liquid inlet pipe 410 is disposed at one side of the pressure relief chamber 420, and the liquid discharge pipe 430 is disposed at the other side of the pressure relief chamber 420. The liquid inlet pipe 410 includes an input section 413 and an output section 416 for guiding the liquid to move from bottom to top; the input section 413 is disposed below the output section 416; a turning section 414 with two ends respectively communicated with the input section 413 and the output section 416 is also arranged between the input section 413 and the output section 416; the turning section 414 is provided with a check device 415. The input section 413 is used for connecting the brewing device 003; the guiding from bottom to top is used for reducing the pressure of the liquid; the input section 413 and the output section 416 are designed up and down to reduce the liquid pressure on two sides; the turning section 414 is used for connecting the input section 413 and the output section 416; check device 415 helps prevent backflow of liquid.

In this embodiment, the input segment 413 and the output segment 416 are vertically arranged circular tubes, the input segment 413 is exposed, the lower part of the output segment 416 is wrapped, and the upper part is located in the pressure relief cavity 420; the turning section 414 is a horizontally arranged circular tube, one side close to the output section 416 is wrapped, and one side close to the input section 413 is exposed; the check valve is arranged in the middle of the liquid inlet pipe 410 and is opposite to the reinforcing structure; the inlet pipe outlet 412 is an inclined port, and has a lower side close to the drain pipe 430 and a higher side far from the drain pipe 430. The pressure relief chamber 420 is provided with a splash guard 421, and the splash guard 421 faces the liquid inlet pipe outlet 412. The splash guard 421 serves to form a barrier near the inlet pipe outlet 412, limiting the direction of the liquid spray or flow.

In this embodiment, the pressure relief chamber 420 includes a container with an opening at an upper portion thereof and a top cover fastened to the upper portion of the container and closing the opening, the anti-splash structure 421 is disposed on an annular sidewall vertically downward and surrounding the liquid inlet pipe outlet 412 at a position where the top cover faces the liquid inlet, and the annular sidewall is lower than a lowest point of the liquid inlet pipe outlet 412. The upper part of the pressure relief cavity 420 has a large horizontal section, the lower part has a small horizontal section, and an inclined structure 422 is arranged between the upper part and the lower part, wherein two sides of the inclined structure are inclined towards the middle part. The upper part is used for blocking pressure liquid and mainly used for storing and dispersing gas; the lower part is used for storing liquid; the inclined structure 422 serves to collect liquid. In this embodiment, the horizontal cross section of the pressure relief cavity 420 is rectangular, and the upper portion of the pressure relief cavity 420 is longer than the lower portion and has a uniform width.

The pressure relief chamber 420 has a small upper depth and a large lower depth. The upper part and the lower part are connected by an inclined structure 422 inclined towards the middle, and the inclined structure 422 is an inclined surface. The outlet 412 of the liquid inlet pipe faces upwards and is arranged at the upper part of the pressure relief cavity 420; the drain inlet 431 is directed to one lateral side of the relief chamber 420 and is disposed at a lower portion of the relief chamber 420. The inlet pipe outlet 412 is staggered from the outlet pipe inlet 431; the inlet pipe outlet 412 is directed upwards for reducing the distance between the liquid and the splash guard 421; the drain inlet 431 is formed to fit the bottom surface of the relief chamber 420 toward a lateral side of the relief chamber 420. In this embodiment, the liquid inlet pipe 410 and the liquid outlet pipe 430 are respectively connected to two sides of the pressure release chamber 420, and an included angle between the liquid outlet pipe 430 and a horizontal plane is smaller than 90 °.

The bottom of the pressure relief cavity 420 is inclined, and one side close to the drain pipe 430 is lower, and the other side far away from the drain pipe 430 is higher; the inner wall of the container is provided with a heat preservation device 423. The bottom is inclined to concentrate the liquid in the pressure relief chamber 420 to one side; the lower side close to the liquid discharge is designed for intensively discharging the liquid; the temperature maintenance device 423 is used to maintain the temperature of the liquid. In this embodiment, the inner bottom surface of the pressure relief cavity 420 is an inclined surface. The liquid supply kit 001 supplies water quantitatively to the heating container 002, after the water supply is finished, the heating container 002 heats the water, the water is input into the sealed brewing device 003 with the brewing raw materials added in advance after the water supply is finished, the beverage is input into the pressure relief device 004 from the brewing device 003 after the brewing process is finished, and the beverage is output to the beverage brewing system after the pressure is reduced by the pressure relief device 004.

The liquid supply kit 001 comprises a control valve 101, a quantitative container 102 and a flow control 103 which are sequentially communicated in series; the quantitative container 102 is communicated with an external water source through a control valve 101; the quantitative vessel 102 is connected to the heating vessel 002 through a flow rate controller 103. The control valve 101 is used for controlling an external water source to enter the control valve 101; the quantitative container 102 is used for prestoring a proper amount of liquid; the flow rate controller 103 is used to control the amount of liquid injected into the heating container 002. In this embodiment, the external water source may be a clean water source such as a barreled water, tap water, or the like, and the water source is communicated with the quantitative container 102, and the water supply to the quantitative container 102 is realized by a water pump; a control valve 101 is arranged between the quantitative container 102 and a water source, and the water source is timely controlled to supplement the quantitative container 102 according to the current water level of the quantitative container 102; the distance between the quantitative container 102 and the heating container 002 is short, and the heating container 002 is gradually supplied with liquid slowly and slightly by another liquid supply pump 006, so that the requirements on the stability and the power of the liquid supply pump 006 are reduced.

The beverage brewing system further comprises a liquid supply pump 006 for driving the liquid supply kit 001 to supply liquid to the heating container 002, a hot water pump 007 for driving the heating container 002 to supply liquid to the brewing device 003, and an air pump 008 for driving the brewing device 003 to supply liquid to the pressure relief device 004. The liquid supply pump 006 is used for pumping the liquid in the quantitative container 102 and delivering the liquid to the heating container 002; the hot water pump 007 is used for pumping the liquid in the heating container 002 and conveying the liquid into the brewing device 003; the air pump 008 is used to expel the liquid in the brewing device 003 into the pressure relief device 004 through air. In this embodiment, the liquid supply pump 006 is specifically a plunger pump, and is connected in series between the flow controller 103 and the heating container 002. The hot water pump 007 is connected in series between the heating container 002 and the brewing device 003; the air pump 008 is arranged between the heating container 002 and the brewing device 003, and the beverage in the brewing container is blown out by air to provide pressure for the liquid, so that the whole liquid in the brewing device 003 is transferred into the pressure relief device 004.

The beverage brewing system is also provided with a safety valve 009, and the safety valve 009 is communicated with the heating container 002. The safety valve 009 is used for releasing pressure in time when the pressure in the liquid transmission pipeline is too high. In this embodiment, the safety valve 009 is specifically a pressure relief valve, and the pressure relief valve is respectively communicated with the heating container 002 and the liquid supply pump 006.

It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.

Claims (10)

1. The pressure relief device of the brewing equipment is characterized by comprising a liquid inlet pipe, a pressure relief cavity and a liquid discharge pipe, wherein the liquid inlet pipe is communicated with the inside of the pressure relief cavity and comprises a liquid inlet pipe inlet and a liquid inlet pipe outlet; the liquid inlet pipe outlet is arranged in the pressure relief cavity, the liquid discharge pipe comprises a liquid discharge pipe inlet and a liquid discharge pipe outlet, and the liquid discharge pipe is communicated with the inside of the pressure relief cavity through the liquid discharge pipe inlet; the outlet of the liquid inlet pipe is arranged above the inlet of the liquid discharge pipe.

2. The pressure relief device of a brewing apparatus according to claim 1, wherein the liquid inlet pipe comprises an input section and an output section for guiding the liquid to move from bottom to top; the input section is arranged below the output section; a turning section with two ends respectively communicated with the input section and the output section is arranged between the input section and the output section; and a non-return device is arranged on the turning section.

3. The pressure relief device of a brewing apparatus according to claim 1, wherein the pressure relief chamber is provided with a splash guard, and the splash guard faces the liquid inlet pipe outlet.

4. The pressure relief device of a brewing apparatus according to claim 1, wherein the pressure relief chamber has a large upper horizontal cross section and a small lower horizontal cross section, and an inclined structure is provided between the upper and lower portions, wherein the inclined structure is inclined from two sides to the middle.

5. The pressure relief device of a brewing apparatus according to claim 4, wherein the outlet of the liquid inlet pipe is upward and disposed at the upper part of the pressure relief chamber; the inlet of the liquid discharge pipe faces to one lateral side of the pressure relief cavity and is arranged at the lower part of the pressure relief cavity.

6. The pressure relief device of a brewing apparatus according to any one of claims 1 to 4, wherein the bottom of said pressure relief chamber is inclined and has a lower side close to the drain and a higher side remote from the drain; and the pressure relief cavity is also provided with a heat preservation device.

7. A beverage brewing system comprising: a liquid supply kit, a heating container and a brewing device, wherein the liquid supply kit, the heating container, the brewing device and the pressure relief device of the brewing apparatus of any one of claims 1-6 are sequentially communicated in series through connecting pipes to form a sealed liquid transmission pipeline.

8. The beverage brewing system of claim 7, wherein the liquid supply kit comprises a control valve, a dosing container, and a flow controller in serial communication in that order; the quantitative container is communicated with an external water source through a control valve; the quantitative container is communicated with the heating container through the flow controller.

9. The beverage brewing system of claim 7, further comprising a liquid supply pump for driving the liquid supply assembly to supply liquid to the heating container, a hot water pump for driving the heating container to supply liquid to the brewing device, and an air pump for driving the brewing device to supply liquid to the pressure relief device.

10. The beverage brewing system of claim 7, further comprising a safety valve in communication with the heating vessel.

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