Waste heat recovery device for white spirit brewing workshop

Abstract

The utility model discloses a recovery device for waste heat of a white spirit brewing workshop, which relates to the technical field of waste heat recovery and comprises a heat exchanger shell, a heat exchange component for heat exchange between steam and water is arranged in the heat exchanger shell, a water supply valve pipe is mounted on one side of the heat exchanger shell, and a water outlet valve pipe is mounted on the other side of the heat exchanger shell. A drain valve pipe is installed on the other side of the heat exchanger shell, and a steam inlet valve pipe is installed on one side of the bottom end of the heat exchanger shell. According to the utility model, cold water is firstly filled in the condenser shell and exchanges heat with steam in the condenser pipe, so that the steam can be condensed into water, and meanwhile, the water in the condenser shell is preheated by the steam and then is fed into the heat exchange component in the heat exchanger shell; the waste heat of the steam is fully utilized, the utilization efficiency of the waste heat and the working efficiency of the device are improved, and a water resource in the steam is recycled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat recovery technical field, concretely is a kind of recovery device for white liquor brewing workshop waste heat. BACKGROUND

[0002] The first step of white liquor brewing is to steam grain, and the stable high-temperature steam provided by the liquor steam generator can quickly and uniformly penetrate each grain, effectively killing the attached microorganisms and activating the amylase in the grain, so that the starch is fully gelatinized, laying a good foundation for subsequent saccharification and fermentation. This process not only improves the liquor yield, but also deeply stimulates the natural aroma of the grain, laying the foundation for the mellow flavor of the liquor.

[0003] When the steam is discharged after completing the work, it still has a lot of heat, and this part of heat is not well utilized, so in the prior art, this part of steam will be sent to some devices similar to heat exchangers, so that the steam heats some water, and the heated hot water will be used for subsequent liquor-making operations such as grain moistening or water punching;

[0004] However, the steam and water heat exchange effect is limited when the steam heats the water, and the heat of the steam cannot be fully utilized. In view of this, in-depth research is conducted on the above problems, and the present case is generated. INVENTION CONTENTS

[0005] The utility model aims at providing a recovery device for white liquor brewing workshop waste heat to solve the problem of low utilization efficiency of steam waste heat in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a recovery device for white liquor brewing workshop waste heat, comprising a heat exchanger shell, a heat exchange assembly for heat exchange between steam and water is arranged inside the heat exchanger shell, a water feeding valve pipe is installed on one side of the heat exchanger shell, and a drain valve pipe is installed on the other side of the heat exchanger shell, a steam inlet valve pipe is installed on one side of the bottom end of the heat exchanger shell, and an exhaust valve pipe is installed on the other side of the top end of the heat exchanger shell, a condenser shell is installed on one side of the heat exchanger shell, an exhaust pipe is installed at the output end of the exhaust valve pipe, one end of the exhaust pipe extends into the condenser shell and is provided with a condenser pipe, a water inlet pipe is installed at the bottom of one side of the condenser shell, and a water outlet pipe is installed at the top of the other side of the condenser shell, a water guide pipe is installed between the water outlet pipe and one end of the water feeding valve pipe, and a cold air assembly for drying the water in the heat exchanger shell is installed on one side of the condenser shell.

[0007] Preferably, a liquid discharge pipe is installed at the bottom end of one side of the condenser shell, the input end of the liquid discharge pipe is connected with the output end of the condenser pipe, and the condenser pipe is in the shape of a spiral.

[0008] Preferably, the heat exchange assembly comprises a mounting plate fixed to the inner wall of the heat exchanger shell, and the inner wall of the mounting plate is embedded with a plurality of flow guide pipes, one end of one of the flow guide pipes is connected with the output end of the water feeding valve pipe, and one end of another of the flow guide pipes is connected with the input end of the water discharging valve pipe, and the mounting plate is provided with a plurality of connecting pipes on one side, and the two ends of the connecting pipes are respectively connected with one end of two adjacent flow guide pipes.

[0009] Preferably, the outer wall of each of the plurality of flow guide pipes is fixed with a large-circular-segment-shaped partition plate, and the partition plates are distributed in a staggered manner inside the heat exchanger shell, and the outer wall of each of the partition plates is welded to the inner wall of the heat exchanger shell.

[0010] Preferably, the cold air assembly comprises a mounting box mounted on one side of the condenser shell, and the inner wall of the mounting box is mounted with a metal hole plate, one side of the metal hole plate is mounted with a fan, and one end of the mounting box is mounted with an air feeding pipe.

[0011] Preferably, one side of the top end of the mounting box is mounted with a dustproof pipe, and the inner wall of the dustproof pipe is embedded with a dustproof screen.

[0012] Preferably, one side of the top end of the heat exchanger shell is mounted with an air inlet valve pipe, and one side of the bottom end of the heat exchanger shell is mounted with an air outlet valve pipe, and one end of the air inlet valve pipe is connected with one end of the air feeding pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The cold water is first filled in the condenser shell, and exchanges heat with the steam in the condenser pipe, so that the steam can be condensed into water, and the water in the condenser shell is preheated by the steam, and the subsequent water is sent to the heat exchange assembly in the heat exchanger shell, and exchanges heat with the high-temperature steam that has not been sent to the condenser pipe, so that the waste heat of the steam is fully utilized, the utilization efficiency of the waste heat is improved, the working efficiency of the device is improved, and the water resources in the steam are recycled.

[0015] 2. The fan in the mounting box is started to drive the air flow, the external air enters from the dustproof pipe, passes through the air outlet valve pipe and enters the heat exchanger shell, and is finally discharged from the air inlet valve pipe, the air flow forms cold air, the liquid droplets that may be adhered in the heat exchanger shell are blown dry, and the rusting of the pipeline caused by the condensation of the steam in the heat exchanger shell is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2The utility model discloses a condenser shell place orthographic view cross section structure schematic diagram;

[0018] Figure 3 The utility model discloses a heat exchanger shell place orthographic view cross section structure schematic diagram;

[0019] Figure 4 The utility model discloses a heat exchanger shell place side view cross section structure schematic diagram;

[0020] Figure 5 It is the inside side view structure schematic diagram of the installation box of the utility model.

[0021] In the drawing: 1, water guide pipe; 2, water supply valve pipe; 3, heat exchanger shell; 4, inlet valve pipe; 5, exhaust valve pipe; 6, inlet valve pipe; 7, exhaust valve pipe; 8, air supply pipe; 9, installation box; 10, dustproof pipe; 11, condenser shell; 12, water outlet pipe; 13, steam guide pipe; 14, drain valve pipe; 15, water inlet pipe; 16, liquid discharge pipe; 17, condenser pipe; 18, mounting plate; 19, partition; 20, flow guide pipe; 21, connecting pipe; 22, fan DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0023] Embodiment: please refer to Figures 1-5 A kind of recovery device for white liquor brewing workshop waste heat, including heat exchanger shell 3, the inside of heat exchanger shell 3 is provided with the heat exchange component for steam and water heat exchange, heat exchanger shell 3 one side is installed with water supply valve pipe 2, and another side of heat exchanger shell 3 is installed with drain valve pipe 14, heat exchanger shell 3 bottom end one side is installed with inlet valve pipe 4, and another side of heat exchanger shell 3 top end is installed with exhaust valve pipe 7, heat exchanger shell 3 one side is installed with condenser shell 11, the output end of exhaust valve pipe 7 is installed with steam guide pipe 13, and steam guide pipe 13 one end extends to the inside of condenser shell 11 and is installed with condenser pipe 17, condenser shell 11 one side bottom is installed with water inlet pipe 15, and condenser shell 11 another side top is installed with water outlet pipe 12, and water outlet pipe 12 and one end of water supply valve pipe 2 are installed with water guide pipe 1, condenser shell 11 one side is installed with the cold air component for the water in heat exchanger shell 3 inside dry blowing;

[0024] The bottom end of one side of the condenser shell 11 is provided with a liquid discharge pipe 16, and the input end of the liquid discharge pipe 16 is connected with the output end of a condensing pipe 17, and the condensing pipe 17 is in a spiral shape;

[0025] Specifically, as shown in Figure 1 and Figure 2 , cold water is introduced from the water inlet pipe 15, and the cold water leaves the condenser shell 11 from the water outlet pipe 12 and enters the heat exchange assembly from the water supply valve pipe 2 under the guidance of the water guide pipe 1, and high-temperature steam is introduced from the steam inlet valve pipe 4, which exchanges heat with the heat exchange assembly to heat the cold water, and after the heat exchange is completed, the steam still has a certain amount of heat and leaves the device from the exhaust valve pipe 7 and enters the condensing pipe 17 through the steam guide pipe 13, and exchanges heat again with the cold water in the condenser shell 11, and preheats the cold water, and the heat of the steam is fully absorbed and condensed into droplets, and finally discharged from the liquid discharge pipe 16.

[0026] The heat exchange assembly includes a mounting plate 18 fixed to the inner wall of the heat exchanger shell 3, and the inner wall of the mounting plate 18 is embedded with a plurality of flow guide pipes 20, one end of one of the flow guide pipes 20 is connected with the output end of the water supply valve pipe 2, and one end of another flow guide pipe 20 is connected with the input end of the water discharge valve pipe 14, and a plurality of connecting pipes 21 are arranged on one side of the mounting plate 18, and the two ends of the connecting pipe 21 are respectively connected with one end of two adjacent flow guide pipes 20;

[0027] The outer wall of each of the plurality of flow guide pipes 20 is fixed with a large-circular partition plate 19, and the partition plates 19 are arranged in a staggered manner in the heat exchanger shell 3, and the outer wall of the partition plate 19 is welded to the inner wall of the heat exchanger shell 3;

[0028] Specifically, as shown in Figure 3 and Figure 4 , the plurality of flow guide pipes 20 are arranged in a serpentine shape in the heat exchanger shell 3 under the connection of the connecting pipes 21, and the distribution of the flow guide pipes 20 in the side view is in a spiral shape, which fully utilizes the internal space of the heat exchanger shell 3, and the cold water flows in the internal space, and the outer wall is in contact with the steam. Such a design can prolong the flow distance of the internal cold water, and the partition plate 19 guides the steam to prolong the movement distance of the steam, so as to ensure that the cold water and the steam are fully heat exchanged.

[0029] The cold air assembly includes a mounting box 9 mounted on one side of the condenser shell 11, and a metal hole plate is mounted on the inner wall of the mounting box 9, and a fan 22 is mounted on one side of the metal hole plate, and a air supply pipe 8 is mounted on one end of the mounting box 9;

[0030] A dustproof pipe 10 is mounted on one side of the top end of the mounting box 9, and a dust screen is embedded in the inner wall of the dustproof pipe 10;

[0031] The air inlet valve pipe 6 is installed on one side of the top end of the heat exchanger shell 3, and the air outlet valve pipe 5 is installed on one side of the bottom end of the heat exchanger shell 3, one end of the air inlet valve pipe 6 is connected with one end of the air supply pipe 8;

[0032] Specifically, as shown in the drawings, Figure 1 and Figure 5 After the device is completed, the irrelevant valves can be closed, the steam inlet valve pipe 4 and the exhaust valve pipe 7 are opened, the fan 22 in the installation box 9 is started to drive the air flow, the external air enters from the dustproof pipe 10, passes through the exhaust valve pipe 7 to the inside of the heat exchanger shell 3, and is finally discharged from the steam inlet valve pipe 4, the air flow forms cold air, and the liquid drops possibly adhered in the heat exchanger shell 3 are blown dry.

[0033] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A device for recovering waste heat in a Baijiu distillery workshop, comprising a heat exchanger shell (3), characterized in that: The inside of the heat exchanger shell (3) is provided with a heat exchange assembly for heat exchange between steam and water, one side of the heat exchanger shell (3) is provided with a water feeding valve pipe (2), and the other side of the heat exchanger shell (3) is provided with a water discharging valve pipe (14), one side of the bottom end of the heat exchanger shell (3) is provided with a steam inlet valve pipe (4), and the other side of the top end of the heat exchanger shell (3) is provided with a steam outlet valve pipe (7), one side of the heat exchanger shell (3) is provided with a condenser shell (11), the output end of the steam outlet valve pipe (7) is provided with a steam guide pipe (13), one end of the steam guide pipe (13) extends into the inside of the condenser shell (11) and is provided with a condenser pipe (17), the bottom end of one side of the condenser shell (11) is provided with a water inlet pipe (15), and the top end of the other side of the condenser shell (11) is provided with a water outlet pipe (12), and the water outlet pipe (12) and one end of the water feeding valve pipe (2) are provided with a water guide pipe (1), and one side of the condenser shell (11) is provided with a cold air assembly for drying the water in the heat exchanger shell (3).

2. The device for recycling waste heat in a Baijiu brewing workshop according to claim 1, characterized in that: The bottom end of one side of the condenser shell (11) is provided with a liquid discharge pipe (16), and the input end of the liquid discharge pipe (16) is connected with the output end of the condenser pipe (17), and the condenser pipe (17) is in a spiral shape. 3.The device for recycling waste heat in a white spirit brewing workshop according to claim 1, characterized in that: The heat exchange assembly comprises a mounting plate (18) fixed to the inner wall of the heat exchanger shell (3), and the inner wall of the mounting plate (18) is embedded with a plurality of flow guide pipes (20), one end of one of the flow guide pipes (20) is connected with the output end of the water feeding valve pipe (2), and one end of another of the flow guide pipes (20) is connected with the input end of the water discharging valve pipe (14), and one side of the mounting plate (18) is provided with a plurality of connecting pipes (21), and the two ends of the connecting pipes (21) are respectively connected with one end of two adjacent flow guide pipes (20).

4. The device for recovering waste heat in a Baijiu brewing workshop according to claim 3, characterized in that: The outer wall of each of the plurality of flow guide pipes (20) is fixed with a large-circular-segment-shaped partition plate (19), and the partition plates (19) are staggered in the inside of the heat exchanger shell (3), and the outer wall of each of the partition plates (19) is welded with the inner wall of the heat exchanger shell (3).

5. The device for recovering waste heat in a Baijiu brewing workshop according to claim 1, characterized in that: The cold air assembly comprises a mounting box (9) mounted on one side of the condenser shell (11), and the inner wall of the mounting box (9) is provided with a metal hole plate, one side of the metal hole plate is provided with a fan (22), and one end of the mounting box (9) is provided with an air feeding pipe (8).

6. The device for recovering waste heat in a Baijiu brewing workshop according to claim 5, characterized in that: One side of the top end of the mounting box (9) is provided with a dustproof pipe (10), and the inner wall of the dustproof pipe (10) is embedded with a dustproof screen.

7. The device for recovering waste heat in a Baijiu brewing workshop according to claim 6, characterized in that: One side of the top end of the heat exchanger shell (3) is provided with an air inlet valve pipe (6), and one side of the bottom end of the heat exchanger shell (3) is provided with an air outlet valve pipe (5), and one end of the air inlet valve pipe (6) is connected with one end of the air feeding pipe (8).

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