CN212778708U

CN212778708U - Waste heat recovery device of fermentation tank that disappears

Info

Publication number: CN212778708U
Application number: CN202020753160.4U
Authority: CN
Inventors: 谷建辉; 刘辉; 李军伟
Original assignee: Jinan Kinry Biotechnology Co ltd
Current assignee: Jinan Kinry Biotechnology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-03-23
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a waste heat recovery device of a fermentation tank, which comprises a steam air duct connected with an air inlet of a second steam collecting drum; the steam gas-guide tube is provided with a second automatic valve; the gas outlet of the second steam collecting drum is connected with a steam distributing drum fixedly arranged on the inner wall of the waste heat recovery tank through a pipeline; the steam-dividing drum is provided with a plurality of downward inclined spiral heat-conducting pipes; the other end of the spiral heat conduction pipe is fixedly connected with a steam inlet of the first steam collecting drum, and a steam outlet of the first steam collecting drum is communicated with the steam recovery tank through a drainage pipe; the upper part of the heat exchange tank is provided with a hot water outlet, and the lower part of the heat exchange tank is provided with a water replenishing port; steam recovery jar upper portion is equipped with the cold water inlet, and the delivery port of bottom passes through water pump and automatic three-way valve fixed connection, the first export of automatic three-way valve pass through the back flow with waste heat cold water moisturizing mouth is connected, the second export and drain connection, the utility model discloses can realize the recycling to the high temperature steam waste heat.

Description

Waste heat recovery device of fermentation tank that disappears

Technical Field

The utility model relates to a heat recovery field, in particular to fermentation disappears waste heat recovery device of jar.

Background

The fermenter, which means an apparatus for industrially carrying out microbial fermentation, has a cylindrical shape made of stainless steel as a subject. The fermentation cylinder need let in high temperature high pressure steam before the feeding and disinfect the sterilization, and whole sterilization in-process steam flow during, need constantly let in steam for having maintained the high temperature high pressure state in the fermentation cylinder, certain steam of discharging simultaneously, high temperature steam in the fermentation cylinder also need the exhaust after the sterilization, and these steam temperature by the emission is still very high, carries a large amount of heats waste heat that the jar disappears of fermentation promptly. In the sterilization of the existing fermentation tank, the steam carrying a large amount of waste heat is directly discharged into the air, and a large amount of energy is wasted.

Disclosure of Invention

The utility model provides a waste heat recovery device of fermentation tank for making up the deficiency of the prior art.

The utility model discloses a realize through following technical scheme:

the utility model provides a fermentation waste heat recovery device who disappears jar, includes one end and the steam outlet fixed connection's of fermentation cylinder steam air duct, its characterized in that: the other end of the steam air duct is fixedly connected with an air inlet of the second steam collecting drum; the steam air duct is provided with a second automatic valve; the gas outlet of the second steam collecting drum is connected with a steam distributing drum fixedly arranged on the inner wall of the waste heat recovery tank through a pipeline; the steam distribution drum is provided with a plurality of downward inclined spiral heat conduction pipes; the other end of the spiral heat conduction pipe is fixedly connected with a steam inlet of a first steam collecting drum, and a steam outlet of the first steam collecting drum is communicated with a steam recovery tank through a drainage pipe; the upper part of the waste heat recovery tank is provided with a hot water outlet, and the lower part of the waste heat recovery tank is provided with a water replenishing port; the upper part of the steam recovery tank is provided with a cold water inlet, a water outlet at the bottom of the steam recovery tank is fixedly connected with an automatic three-way valve through a water pump, a first outlet of the automatic three-way valve is connected with a water replenishing port of the waste heat recovery tank through a return pipe, and a second outlet of the automatic three-way valve is connected with a water drainage pipe; the automatic three-way valve is electrically connected with the controller.

And the steam air duct is provided with a second automatic valve which is electrically connected with the controller.

The steam air duct is also provided with a second temperature sensor and a pressure sensor; the second temperature sensor and the steam-separating drum are positioned between the second automatic valve and the fermentation tank and are electrically connected with the controller.

The hot water outlet is fixedly connected with a hot water outlet pipe through a flange plate; and a first temperature sensor electrically connected with the controller is arranged on the hot water outlet pipe.

The return pipe is also provided with a tee joint connected with a second cold water replenishing pipe; a first automatic valve is arranged on the second cold water replenishing pipe; the first automatic valve is electrically connected to the controller.

The drainage tube extends into the steam recovery tank and is inserted below the liquid level.

Still include the medicament jar, the medicament jar pass through the medicament pipe with waste heat recovery jar is connected, install the measuring pump on the medicament pipe.

The utility model has the following beneficial technical effects

The utility model can effectively recycle the heat energy which is steamed by waste high temperature, has high automation degree, and the water heated by steam can be used for mixing materials, cleaning or introducing boiler for recycling; the steam recovery tank can completely condense the steam into water, so that water resource recovery is realized; the spiral heat conduction pipes obliquely arranged in the waste heat recovery tank increase the retention time of high-temperature steam in the pipes, so that the steam and cooling water can be subjected to sufficient heat exchange.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of a second steam collection drum.

In the figure, 1-air inlet pipe, 2-fermentation tank, 3-medicament tank, 4-metering pump, 5-medicament pipe, 6-waste heat recovery tank, 7-first temperature sensor, 8-hot water outlet pipe, 9-heat insulation layer, 10-first steam collection bag, 11-spiral heat conduction pipe, 12-first cold water supplement pipe, 13-steam recovery tank, 14-drainage pipe, 15-water pump, 16-drainage pipe, 17-automatic three-way valve, 18-return pipe, 19-motor, 20-three-way valve, 21-first automatic valve, 22-second cold water supplement pipe, 23-second steam collection bag, 23-1-cylinder, 23-2-air inlet, 23-3-air outlet, 24-second automatic valve, 25-steam air duct, 26-second temperature sensor, 27-pressure sensor, and 28-steam-dividing drum.

Detailed Description

The following are only embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

In the present invention, the words describing the relationship of directions such as "left", "right", "inner", "outer" are only used for convenience of description of the embodiment, and are not to be construed as limitations of the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The fixed connection means includes, but is not limited to, welding, screwing, clipping, interference fit, etc. known in the art.

Fig. 1 and 2 show an embodiment of the present invention. The embodiment provides a waste heat recovery device of a fermentation tank, which comprises a steam air duct 25 fixedly connected with a steam outlet of a fermentation tank 2 at one end, wherein the other end of the steam air duct 25 is fixedly connected with an air inlet 23-2 of a second steam collecting drum 23 through a flange plate. The steam air duct 25 is provided with a second automatic valve 24, and a second temperature sensor 26 and a pressure sensor 27 are further provided between the second automatic valve 24 and the fermentation tank 2.

The structure of the second steam collection pocket 23 is shown in figure 2, and comprises a cylinder body 23-1, wherein the cylinder body 23-1 is provided with a plurality of air inlets 23-2 and an air outlet 23-3, and each air inlet 23-2 is connected with a steam outlet of the fermentation tank 2 through a steam air duct 25. The air outlet 23-3 is connected with a steam inlet of a steam drum 28 in the waste heat recovery tank 6 through a pipeline. The periphery of the waste heat recovery tank 6 is provided with a heat preservation layer 9, and the bottom of the waste heat recovery tank is provided with a hollow base. Each steam outlet of the steam-splitting drum 28 is provided with a spiral heat-conducting pipe 11, the spiral heat-conducting pipes 11 are arranged obliquely downwards, the other ends of the spiral heat-conducting pipes 11 are fixedly connected with the steam inlet of the first steam-collecting drum 10, and the first steam-collecting drum 10 is also fixedly arranged on the inner wall of the heat exchange tank. A draft tube 14 is fixedly installed at a steam outlet of the first steam collecting drum 10, and the draft tube 14 extends into the steam recovery tank 13 and is inserted below the liquid level. A hot water outlet pipe 8 is fixedly arranged at a hot water outlet at the upper part of the waste heat recovery tank 6 through a flange plate, and a first temperature sensor 7 is also arranged on the hot water outlet pipe 8. A motor 19 for driving the stirring device in the waste heat recovery tank 6 is arranged in the hollow base. The cold water inlet at the upper part of the steam recovery tank 13 is fixedly connected with a first cold water replenishing pipe 12, the water outlet at the bottom part is fixedly connected with an automatic three-way valve 17 through a water pump 15, the first outlet of the automatic three-way valve 17 is connected with the water replenishing port at the lower part of the waste heat recovery tank 6 through a return pipe 18, and the second outlet is connected with a water discharge pipe 16. The return pipe 18 is also provided with a tee 20 connected to a second cold water replenishing pipe 22. The second cold water replenishing pipe 22 is provided with a first automatic valve 21.

Prevent to produce the incrustation scale in the waste heat recovery jar 6, install one set of medicine system, including medicament jar 3, the liquid outlet of this medicament jar 3 passes through medicament pipe 5 and is connected with waste heat recovery jar 6, installs measuring pump 4 on medicament pipe 5.

The first cold water replenishing pipe 12 and the second cold water replenishing pipe 22 are both communicated with a cold water source.

The metering pump 4, the first temperature sensor 7, the water pump 15, the automatic three-way valve 17, the motor 19, the first automatic valve 21, the second automatic valve 24, the second temperature sensor 26 and the pressure sensor 27 in the embodiment are all electrically connected with the controller.

When killing fermentation cylinder 2, high temperature steam gets into fermentation cylinder 2 through intake pipe 1, when the numerical value that second temperature sensor 26, pressure sensor 27 detected reached predetermined set point in advance, controller control second automatic valve 24 opened, during steam got into waste heat recovery jar 6 branch steam pocket 28 through the pipeline, the cold water of waste heat recovery jar 6 was given through spiral heat pipe 11 transfer to the heat in the steam, the first album of steam pocket 10 of process cooling steam admission afterwards, then let in the cold water of steam recovery jar 13 through drainage tube 14. The cold water in the heat exchange tank flows out from the hot water outlet pipe 8 after being heated, and is used for stirring materials or entering a boiler and the like. Since the draft tube 14 is extended below the level of the cold water in the vapor recovery tank 13, the vapor which is not completely cooled in the heat exchange tank can be completely absorbed, and the water generated by condensation of the spiral heat conduction tube 11 can also flow into the vapor recovery tank 13 along the draft tube 14. The steam recovery tank 13 is replenished with cold water through the first cold water replenishing pipe 12, and the water pump 15 pumps the water in the steam recovery tank 13 into the waste heat recovery tank 6. When the water temperature detected by the first temperature sensor 7 on the hot water outlet pipe 8 is continuously high, such as close to 100 ℃, the controller adjusts the automatic three-way valve 17, so that the water in the steam recovery tank 13 is directly discharged by the water pump 15 through the water discharge pipe 16 for cleaning and cleaning, and the like, at the moment, the first automatic valve 21 is opened, and the second cold water replenishing water 22 is directly utilized to replenish cold water for the waste heat recovery tank 6.

Claims

1. The utility model provides a fermentation waste heat recovery device who disappears jar, includes steam outlet fixed connection's of one end and fermentation cylinder (2) steam air duct (25), its characterized in that: the other end of the steam air duct (25) is fixedly connected with an air inlet (23-2) of the second steam collecting drum (23); a second automatic valve (24) is arranged on the steam air duct (25); the air outlet (23-3) of the second steam collecting drum (23) is connected with a steam distributing drum (28) fixedly arranged on the inner wall of the waste heat recovery tank (6) through a pipeline; the steam distribution drum (28) is provided with a plurality of downward inclined spiral heat conduction pipes (11); the other end of the spiral heat conduction pipe (11) is fixedly connected with a steam inlet of the first steam collecting drum (10), and a steam outlet of the first steam collecting drum (10) is communicated with a steam recovery tank (13) through a drainage pipe (14); the upper part of the waste heat recovery tank (6) is provided with a hot water outlet, and the lower part of the waste heat recovery tank is provided with a water replenishing port; a cold water inlet is formed in the upper part of the steam recovery tank (13), a water outlet in the bottom of the steam recovery tank is fixedly connected with an automatic three-way valve (17) through a water pump (15), a first outlet of the automatic three-way valve (17) is connected with a water replenishing port of the waste heat recovery tank (6) through a return pipe (18), and a second outlet of the automatic three-way valve is connected with a drain pipe (16); the automatic three-way valve (17) is electrically connected with the controller.

2. The waste heat recovery device of the fermentation tank according to claim 1, characterized in that: and a second automatic valve (24) electrically connected with the controller is arranged on the steam air duct (25).

3. The waste heat recovery device of the fermentation tank according to claim 2, characterized in that: a second temperature sensor (26) and a pressure sensor (27) are also arranged on the steam air duct (25); the second temperature sensor (26) and pressure sensor (27) are located between the second automatic valve (24) and the fermenter (2) and are electrically connected to the controller.

4. The waste heat recovery device of the fermentation tank according to claim 3, characterized in that: the hot water outlet is fixedly connected with a hot water outlet pipe (8) through a flange plate; and a first temperature sensor (7) electrically connected with the controller is arranged on the hot water outlet pipe (8).

5. The waste heat recovery device of the fermentation tank according to any one of claims 1 to 4, wherein: the return pipe (18) is also provided with a tee joint (20) connected with a second cold water replenishing pipe (22); a first automatic valve (21) is arranged on the second cold water replenishing pipe (22); the first automatic valve (21) is electrically connected to the controller.

6. The waste heat recovery device of the fermentation tank according to claim 5, characterized in that: the drainage tube (14) extends into the steam recovery tank (13) and is inserted below the liquid level.

7. The waste heat recovery device of the fermentation tank according to claim 6, wherein: still include medicament jar (3), medicament jar (3) through medicament pipe (5) with waste heat recovery jar (6) are connected, install measuring pump (4) on medicament pipe (5).