CN213419276U

CN213419276U - Liquid feeding equipment

Info

Publication number: CN213419276U
Application number: CN202022215531.6U
Authority: CN
Inventors: 高飞; 郑士杰; 张文海
Original assignee: Shandong Zhennuo Intelligent Equipment Co ltd
Current assignee: Shandong Zhennuo Intelligent Equipment Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-11
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a liquid feeding equipment, including casing, first heat preservation shell, second heat preservation shell, measuring pump assembly. The shell is enclosed into a liquid storage cavity and is provided with a first liquid level meter. The first heat preservation shell and the shell enclose a first cavity, and the second heat preservation shell and the first heat preservation shell enclose a second cavity. The liquid inlet end of the metering pump assembly is connected with the infusion tube, and the metering pump assembly is used for controlling the flow and the pressure of the fluid delivered by the infusion tube. The utility model discloses can be according to production needs accurate regulation output flow and delivery pressure, and can realize the control to output liquid temperature.

Description

Liquid feeding equipment

Technical Field

The utility model relates to a food processingequipment technical field, concretely relates to liquid feeding equipment.

Background

In modern industrial processes, the liquid feed device plays a crucial role in the production process as an output device. In the process of outputting liquid outwards by the liquid feeding equipment, some process flows have higher requirements on the output flow and pressure precision of the feeding equipment, and have certain requirements on the temperature of the output liquid. However, in the existing liquid feeding equipment, the output flow and the output pressure cannot be accurately adjusted according to the production requirements, and the control on the temperature of the output liquid cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid feeding equipment for solve current liquid feeding equipment and can't be according to production needs accurate regulation output flow and delivery pressure, and can't realize the problem to the control of output liquid temperature.

In order to achieve the above object, the utility model provides a liquid feeding device, including casing, first heat preservation shell, second heat preservation shell, measuring pump assembly. The shell is enclosed into a liquid storage cavity, the shell is provided with a liquid inlet and a liquid outlet which are communicated with the liquid storage cavity, and a first liquid level meter is arranged in the liquid storage cavity. The first heat preservation shell is arranged around the outer wall of the shell, the first heat preservation shell and the shell enclose a first cavity, a heat conducting medium is arranged in the first cavity, and the first cavity is provided with a heating device. The second heat preservation shell surrounds the outer wall of the first heat preservation shell, a second cavity is formed by the second heat preservation shell and the first heat preservation shell in a surrounding mode, and heat preservation media are arranged in the second cavity. The liquid inlet end of the metering pump assembly is connected with the liquid conveying pipe, the liquid outlet end of the metering pump assembly is connected with the liquid outlet pipe, the liquid conveying pipe is connected with the liquid outlet of the liquid outlet cavity, and the metering pump assembly is used for controlling the flow and the pressure of the liquid conveying pipe for conveying fluid.

The heat-conducting medium in the first cavity and the heating device are arranged, so that the material in the liquid storage cavity can be kept at a certain temperature, the heat-insulating medium in the second cavity is arranged, the heat-insulating effect cannot be achieved, the liquid in the liquid storage cavity can be prevented from being too high in temperature, the liquid is conveyed to the second heat-insulating shell, the scalding of people is prevented, and the potential safety hazard is reduced. Meanwhile, the metering pump assembly is arranged, so that the liquid conveying pipe can convey liquid quantitatively and at a constant pressure.

In a preferred implementation mode, the metering pump assembly comprises a metering pump head and a driving piece, the metering pump head is provided with the liquid inlet end and the liquid outlet end, the driving piece comprises a motor and a speed reducer which are connected with each other, and the speed reducer is connected with the metering pump head. The metering pump assembly controls the flow and pressure of the liquid to be conveyed, and the liquid can be conveyed by the liquid conveying pipe in a quantitative and constant pressure manner.

In a preferred implementation manner, the liquid feeding device further comprises a pulsation buffer and a pressure relief pipe, wherein the pulsation buffer is connected with the liquid outlet pipe; one end of the pressure relief pipe is connected with the liquid outlet pipe, the other end of the pressure relief pipe is connected with the liquid conveying pipe, and a back pressure valve is arranged on the pressure relief pipe. When the pressure in the infusion tube is higher, the pressure in the infusion tube can be relieved by the pulsation buffer. When the pressure in the infusion tube is overlarge, the pressure relief tube is started to further buffer the pressure in the infusion tube.

In a preferred implementation mode, one end of the pressure relief pipe is connected between the pulsation buffer and the liquid outlet end of the metering pump head, and one end of the pressure relief pipe is connected between the pulsation buffer and the liquid outlet end of the metering pump head, so that the pulsation buffer is prevented from being damaged due to overlarge pressure in the infusion tube.

In a preferred implementation, the heating device is provided as an electric heater, and the electric heater is arranged at the bottom of the first cavity. The heating device has a heating effect on the liquid in the first cavity.

In a preferred implementation manner, the heat-conducting medium is a heatable fluid, the electric heater is used for heating the heat-conducting medium, and the second liquid level meter is arranged in the first cavity and used for detecting the liquid level height in the first cavity. The electric heater heats the heat-conducting medium, not only can heat the liquid in the liquid storage cavity, but also plays a certain role in heat preservation. In addition, set up the second liquid level gauge in the second cavity, can be used for detecting the liquid level height in the first cavity at any time, be convenient for add the liquid in the second cavity at any time.

In a preferred implementation, the liquid feeding device further includes a temperature sensor, and the temperature sensor is connected to the first cavity and is configured to detect a temperature of the liquid in the first cavity. A temperature sensor is arranged in the first cavity, so that the temperature of liquid in the first cavity can be conveniently detected at any time.

In a preferred implementation mode, the liquid feeding device further comprises an exhaust pipe, one end of the exhaust pipe is connected with the top of the first cavity, the other end of the exhaust pipe penetrates through the second heat-preservation shell to extend outwards, and the exhaust pipe is used for communicating the first cavity with the outside. When the heating device heats the heat-conducting medium in the first cavity, the heat-conducting medium is heated and gasified, and the generated gas is discharged through the liquid discharge pipe.

In a preferred implementation, the liquid dosing device further comprises a controller, the temperature sensor is connected to the controller via a wire, and the controller is connected to the electric heater via a wire. The temperature sensor is connected with the controller through a wire, the controller is connected with the heating device through a wire, the temperature sensor transmits the temperature of the heating medium in the first cavity to the controller, and the controller controls the heating device to control the temperature of the heating medium according to the temperature in the first cavity.

In a preferred implementation mode, the first liquid level meter is a floating ball type liquid level sensor, the floating ball type liquid level sensor is connected with the controller through a lead, and the controller is connected with the prompting lamp through a lead; the second liquid level meter is a glass tube liquid level meter. Establish first level gauge into floater formula level sensor, floater formula level sensor links to each other through wire and controller, and the controller links to each other through wire and warning light, and the liquid level condition in the user's accessible warning light monitoring stock solution intracavity at any time.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

FIG. 1 is a schematic view of the overall structure of a liquid feeding apparatus according to an embodiment.

Fig. 2 is a schematic view of a portion of the liquid feed apparatus of fig. 1.

Fig. 3 is a schematic side view of the structure of fig. 1.

Description of reference numerals: the liquid storage device comprises a liquid storage cavity 10, a first liquid level meter 11, a first cavity 20, a heating device 21, a temperature sensor 22, a second liquid level meter 23, an exhaust pipe 24, a second cavity 30, a metering pump assembly 40, a liquid inlet pipe 41, a liquid outlet pipe 42, a pulsation buffer 43, a pressure relief pipe 44, a back pressure valve 45, a controller 50, a first heat preservation shell 60 and a second heat preservation shell 70.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

As shown in fig. 1-3, a liquid feeding device comprises a housing, a first thermal insulation shell 60, a second thermal insulation shell 70 and a metering pump assembly 40. The housing defines a liquid storage cavity 10 (see fig. 2), the housing is provided with a liquid inlet and a liquid outlet communicated with the liquid storage cavity 10, and a first liquid level meter 11 is arranged in the liquid storage cavity 10. The first heat preservation shell 60 is arranged around the outer wall of the shell, the first heat preservation shell 60 and the shell enclose a first cavity 20, a heat conducting medium is arranged in the first cavity 20, and the first cavity 20 is provided with a heating device 21. The second heat preservation shell 70 is arranged around the outer wall of the first heat preservation shell 60, a second cavity is formed by the second heat preservation shell 70 and the first heat preservation shell 60 in a surrounding mode, and heat preservation media are arranged in the second cavity. The metering pump assembly 40 is characterized in that the liquid inlet end of the metering pump assembly 40 is connected with a liquid conveying pipe, the liquid outlet end of the metering pump assembly 40 is connected with a liquid outlet pipe 42, the liquid conveying pipe is connected with a liquid outlet of the liquid outlet cavity, and the metering pump assembly 40 is used for controlling the flow and the pressure of liquid conveyed by the liquid conveying pipe.

In the actual use process of the liquid feeding equipment, materials are added into the liquid storage cavity 10, the heat-conducting medium in the first cavity 20 is heated to a specific temperature by the heating device 21, and the heat-insulating medium is arranged in the second cavity surrounding the outer wall of the first cavity 20. One end of the liquid outlet pipe 42 is connected with the liquid outlet end of the metering pump assembly 40, and the other end is communicated with equipment needing materials.

From the above description, it can be seen that the present invention achieves the following technical effects:

the heat-conducting medium in the first cavity 20 is heated to a specific temperature by the heating device 21, so that the heat-insulating effect on the materials in the material storage cavity can be achieved, and the liquid in the material storage cavity can be heated. The metering pump assembly 40 can control the flow and pressure of the fluid delivered by the fluid line, and precisely control the flow and pressure of the fluid line.

In one embodiment, the metering pump assembly 40 includes a metering pump head having the inlet end and the outlet end, and a driving member including a motor and a reducer connected to each other, the reducer being connected to the metering pump head. The metering pump assembly 40 controls the flow and pressure of the liquid to be conveyed, and can ensure that the liquid conveying pipe conveys the liquid in a quantitative and constant pressure mode.

In one embodiment, the liquid feeding device further comprises a pulsation damper 43 and a pressure relief pipe 44, wherein the pulsation damper 43 is connected with the liquid outlet pipe 42; one end of the pressure relief pipe 44 is connected with the liquid outlet pipe 42, the other end of the pressure relief pipe is connected with the infusion pipe, and a back pressure valve 45 is arranged on the pressure relief pipe 44. The pulsation dampener 43 can relieve pressure in the infusion tube when pressure in the infusion tube is high. When the pressure in the infusion tube becomes excessive, the pressure relief tube 44 is activated to further buffer the pressure in the infusion tube.

In one embodiment, one end of the pressure relief tube 44 is connected between the pulsation buffer 43 and the liquid outlet end of the metering pump head, and one end of the pressure relief tube 44 is connected between the pulsation buffer 43 and the liquid outlet end of the metering pump head, so as to avoid damage to the pulsation buffer 43 caused by excessive pressure in the infusion tube.

In one embodiment, the heating device 21 is provided as an electric heater disposed at the bottom of the first chamber 20. The heating device 21 has a warming effect on the liquid in the first chamber 20. Of course, it will be understood by those skilled in the art that the heating device may be other than an electric heater, as long as the liquid in the first cavity can be heated.

In one embodiment, the heat transfer medium is a heatable fluid, the electric heater is used for heating the heat transfer medium, and the second liquid level meter 23 is disposed in the first chamber 20 and used for detecting the liquid level in the first chamber 20. The electric heater heats the heat-conducting medium, not only can heat the liquid in the liquid storage cavity 10, but also plays a certain role in heat preservation. In addition, the second liquid level meter 23 is arranged in the second cavity, so that the liquid level height in the first cavity 20 can be detected at any time, and the liquid in the second cavity can be added at any time.

In one embodiment, the liquid feeding apparatus further comprises a temperature sensor 22, and the temperature sensor 22 is connected to the first chamber 20 for detecting the temperature of the liquid in the first chamber 20. A temperature sensor 22 is disposed in the first chamber 20 to detect the temperature of the liquid in the first chamber 20 at any time.

In one embodiment, the liquid feeding apparatus further comprises an exhaust pipe 24, one end of the exhaust pipe 24 is connected to the top of the first chamber 20, and the other end thereof extends outwards through the second thermal insulation shell 70, and the exhaust pipe 24 is used for communicating the first chamber 20 with the outside. When the heating device 21 heats the heat transfer medium in the first chamber 20, the heat transfer medium is heated and gasified, and the generated gas is discharged through the drain pipe.

In one embodiment, the liquid dosing device further comprises a controller 50, the temperature sensor 22 being connected to the controller 50 via a wire, the controller 50 being connected to the electric heater via a wire. The temperature sensor 22 is connected with the controller 50 through a lead, the controller 50 is connected with the heating device 21 through a lead, the temperature sensor 22 transmits the temperature of the heating medium in the first cavity 20 to the controller 50, and the controller 50 controls the heating device 21 according to the temperature in the first cavity 20 so as to control the temperature of the heating medium.

In one embodiment, the first level gauge 11 is a ball float level sensor, the ball float level sensor is connected to the controller 50 through a wire, and the controller 50 is connected to the indicator light through a wire; the second level gauge 23 is a glass tube level gauge. The first liquid level meter 11 is set as a floating ball type liquid level sensor, the floating ball type liquid level sensor is connected with the controller 50 through a lead, the controller 50 is connected with the prompting lamp through a lead, and a user can monitor the liquid level condition in the liquid storage cavity 10 at any time through the prompting lamp. Of course, it will be understood by those skilled in the art that the first level gauge is not limited to a float-type level sensor, as long as it can monitor the level of the liquid in the liquid storage chamber at any time. The second liquid level meter 23 is not limited to a glass tube liquid level meter as long as it can monitor the liquid level condition in the first chamber 20 at any time.

The technical solution protected by the present invention is not limited to the above embodiments, and it should be noted that the technical solution of any one embodiment is combined with the technical solution of one or more other embodiments in the protection scope of the present invention. Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A liquid dosing apparatus, comprising:

the liquid level meter comprises a shell, a liquid storage cavity and a liquid level meter, wherein the shell is enclosed into the liquid storage cavity, the shell is provided with a liquid inlet and a liquid outlet which are communicated with the liquid storage cavity, and a first liquid level meter is arranged in the liquid storage cavity;

the first heat-preservation shell is arranged around the outer wall of the shell, the first heat-preservation shell and the shell enclose a first cavity, a heat-conducting medium is arranged in the first cavity, and the first cavity is provided with a heating device;

the second heat-insulation shell is arranged around the outer wall of the first heat-insulation shell, a second cavity is defined by the second heat-insulation shell and the first heat-insulation shell, and a heat-insulation medium is arranged in the second cavity;

the liquid inlet end of the metering pump assembly is connected with the liquid conveying pipe, the liquid outlet end of the metering pump assembly is connected with the liquid outlet pipe, the liquid conveying pipe is connected with the liquid outlet of the liquid outlet cavity, and the metering pump assembly is used for controlling the flow and the pressure of the liquid conveying pipe for conveying fluid.

2. The liquid feeding apparatus as claimed in claim 1, wherein said metering pump assembly comprises a metering pump head and a driving member, said metering pump head is provided with said liquid inlet end and said liquid outlet end, said driving member comprises a motor and a reducer connected to each other, and said reducer is connected to said metering pump head.

3. A liquid feeding device according to claim 1, further comprising a pulsation dampener and a pressure relief tube,

the pulsation buffer is connected with the liquid outlet pipe;

one end of the pressure relief pipe is connected with the liquid outlet pipe, the other end of the pressure relief pipe is connected with the liquid conveying pipe, and a back pressure valve is arranged on the pressure relief pipe.

4. A liquid feeding apparatus according to claim 3, wherein one end of said pressure relief tube is connected between said pulsation dampener and a liquid outlet end of said metering pump head.

5. A liquid dosing device as claimed in claim 1, wherein the heating means is provided as an electric heater disposed at the bottom of the first chamber.

6. A liquid dosing device as claimed in claim 5, wherein the heat conducting medium is arranged as a heatable fluid, the electric heater is arranged to heat the heat conducting medium, and a second level gauge is arranged in the first chamber and adapted to measure a level of liquid in the first chamber.

7. A liquid dosing device as claimed in claim 6, further comprising a temperature sensor associated with the first chamber for sensing the temperature of the liquid in the first chamber.

8. A liquid feeding apparatus as claimed in claim 1, further comprising an exhaust pipe, wherein one end of the exhaust pipe is connected to the top of the first cavity, and the other end of the exhaust pipe extends outwards through the second thermal insulation shell, and the exhaust pipe is used for communicating the first cavity with the outside.

9. A liquid dosing device as claimed in claim 7, further comprising a controller, said temperature sensor being connected to said controller via a wire, said controller being connected to said heating means via a wire.

10. A liquid feeding apparatus according to claim 9, wherein said first level meter is a float level sensor connected to said controller via a wire, and said controller is connected to a warning light via a wire; the second liquid level meter is a glass tube liquid level meter.