CN209960449U

CN209960449U - Multi-pipe channel flue gas waste heat utilization energy-saving steam box

Info

Publication number: CN209960449U
Application number: CN201920771373.7U
Authority: CN
Inventors: 王月华; 王志敏; 张淑芳
Original assignee: Shandong Hua Jie Kitchen Co Ltd
Current assignee: Shandong Hua Jie Kitchen Co Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-01-17
Anticipated expiration: 2029-05-27

Abstract

The utility model provides an energy-conserving steam ager of multitube passageway flue gas waste heat utilization, include: the device comprises a steam box device, a combustor, an evaporator and a heat exchanger; the evaporator comprises an evaporator shell and a hearth, a water vapor outlet is formed in the evaporator shell, and the burner is installed in the hearth; the heat exchanger comprises a heat exchanger shell and a multi-tube type steam pipeline positioned in the heat exchanger shell, and the heat exchanger shell is communicated with the hearth and a rear-stage smoke exhaust chimney positioned on the steam box device through pipelines respectively; the multi-tube type steam pipeline is provided with a heat exchange steam inlet pipe and a heat exchange steam outlet pipe, the heat exchange steam inlet pipe is communicated with the steam outlet, and the heat exchange steam outlet pipe is communicated with a steam box inner container in the steam box device. The utility model relates to an energy-conserving steam ager of multitube passageway flue gas waste heat utilization can realize flue gas waste heat utilization, makes the further rising of steam temperature, the energy saving.

Description

Multi-pipe channel flue gas waste heat utilization energy-saving steam box

Technical Field

The utility model relates to a steam ager field, in particular to energy-conserving steam ager of multitube passageway flue gas waste heat utilization.

Background

The steam box is a common cooker or equipment, and can adopt gas or electricity as driving energy. In prior art, the steam ager passes through heating device and constantly heats for the steam chest, and high temperature steam constantly carries steam to the incasement by the steam chest export, can produce too much waste heat when heating food, if can not cyclic utilization steam and waste heat, can cause a large amount of energy extravagant.

The method for obtaining the utilization of the waste heat of the kitchen equipment cooking range supplied in the current market basically adopts cold water to absorb the waste heat of smoke, the cold water heat absorption device is introduced with the waste heat by introducing cold water into a flue, the temperature of the water before entering an evaporator is improved by the heat absorption device, the heat efficiency is improved, the method has poor practicability and high danger, the high-temperature smoke entering the cold water heat absorption device can heat the cold water to boiling, the pressure of a cold water pipeline is quickly increased, the heat absorption device and a water pipe are easily expanded and exploded, the safety of steaming cooking operation is directly influenced, and accidents occur.

Disclosure of Invention

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a multitube passageway flue gas waste heat utilization energy-conserving steam ager that can be to flue gas waste heat recovery utilize, accelerate food steam speed, shorten steaming time, energy saving.

(II) technical scheme

In order to solve the technical problem, the utility model provides an energy-conserving steam ager of multitube passageway flue gas waste heat utilization, include: the device comprises a steam box device, a combustor, an evaporator and a heat exchanger, wherein a rear-stage smoke exhaust chimney is arranged on the steam box device; the evaporator is arranged at the bottom of the steam box device and comprises an evaporator shell for containing water and a hearth, a water vapor outlet is formed in the evaporator shell, and the burner is arranged in the hearth; the heat exchanger comprises a heat exchanger shell and a multi-tube type steam pipeline positioned in the heat exchanger shell, the bottom of the heat exchanger shell is communicated with the hearth through a pipeline, and the top of the heat exchanger shell is communicated with the rear-stage smoke exhaust chimney through a pipeline; the multi-tube type steam pipeline is provided with a heat exchange steam inlet pipe and a heat exchange steam outlet pipe, the heat exchange steam inlet pipe is communicated with the steam outlet, and the heat exchange steam outlet pipe is communicated with a steam box inner container in the steam box device.

Furthermore, the multi-tube type water vapor pipeline comprises a plurality of first pipelines which are arranged side by side and used for water vapor circulation, the first pipelines are communicated with the heat exchange water vapor inlet pipe, and a gap used for smoke circulation is reserved between every two adjacent first pipelines; the multi-tube type steam pipeline effectively increases the surface area of heat exchange with the flue gas, can achieve better utilization of flue gas waste heat, further increases the temperature of the steam, increases the enthalpy and accelerates the food steaming speed.

Further, a gap for smoke circulation is reserved between the heat exchanger shell and the multi-tube type water vapor pipeline; the surface area of the multi-tube type steam pipeline for heat exchange with the flue gas is effectively increased, and the utilization rate of the flue gas waste heat is improved.

Furthermore, the steam box device comprises a steam box shell and a steam box door, the steam box door is installed on the steam box shell, the steam box inner container is installed in the steam box shell, a heat insulation cavity is formed between the steam box shell and the steam box inner container, and the steam box inner container can be isolated to transfer heat to the steam box shell.

(III) advantageous effects

The utility model relates to an energy-conserving steam ager of multitube passageway flue gas waste heat utilization, through being provided with the multitube steam pipeline, and make the flue gas that the burning produced circulate from the multitube steam pipeline outside, the flue gas contacts with the surface of multitube steam pipeline, the waste heat is absorbed by the steam of the multitube steam pipeline of flowing through, make steam temperature further rise, the enthalpy increases, accelerate food steaming speed, shorten the steaming time, the energy saving has enlarged flue gas waste heat utilization scope, realize energy-concerving and environment-protective.

Drawings

FIG. 1 is a partial cross-sectional view of a multi-pipe channel flue gas waste heat utilization energy-saving steam box of the present invention;

FIG. 2 is a partial cross-sectional view of the side of the multi-pipe channel flue gas waste heat utilization energy-saving steam box of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 of the multi-tube channel flue gas waste heat utilization energy-saving steam box of the present invention;

wherein: the device comprises a combustor 1, an evaporator 2, a heat exchanger 3, a rear-stage smoke exhaust chimney 4, a heat exchange steam inlet pipe 5, a heat exchange steam outlet pipe 6, a steam box liner 7, a steam box shell 8, a steam box door 9, an evaporator shell 201, a hearth 202, a steam outlet 203, a heat exchanger shell 301, a multi-pipe steam pipeline 302 and a first pipeline 303.

Detailed Description

Referring to fig. 1 to 3, the utility model provides a multitube passageway flue gas waste heat utilization energy-conserving steam ager, include: the device comprises a steam box device, a combustor 1, an evaporator 2 and a heat exchanger 3, wherein a rear-stage smoke exhaust chimney 4 is arranged on the steam box device. The evaporator 2 is arranged at the bottom of the steam box device, the evaporator 2 comprises an evaporator shell 201 for containing water and a hearth 202, a water vapor outlet 203 is arranged on the evaporator shell 201, and the burner 1 is arranged in the hearth 202. The heat exchanger 3 comprises a heat exchanger shell 301 and a multi-pipe type steam pipeline 302 positioned in the heat exchanger shell 302, the bottom of the heat exchanger shell 301 is communicated with the hearth 202 through a pipeline, the top of the heat exchanger shell 301 is communicated with the rear-stage smoke exhaust chimney 4 through a pipeline, the whole smoke exhaust channel is in pipeline type section-by-section fit connection with the heat exchanger 3, and waste gas is effectively promoted to be discharged only to the rear-stage smoke exhaust chimney 4. Install heat exchange vapor inlet pipe 5 and heat exchange vapor outlet pipe 6 on the multi-tubular vapor pipeline 302, heat exchange vapor inlet pipe 5 and vapor outlet 203 intercommunication, the steam ager inner bag 7 intercommunication in heat exchange vapor outlet pipe 6 and the steam ager device, the water in the evaporimeter 2 is heated and is heaied up and produce steam, flow through heat exchange vapor inlet pipe 5 entering heat exchanger 3 through vapor outlet 203, the multi-tubular vapor pipeline 302 of flowing through comes out from heat exchange vapor outlet pipe 6, reentrant 7 inside steaming operation to food of steam ager inner bag.

Referring to fig. 1, the steam box device comprises a steam box shell 8 and a steam box door 9, the steam box door 9 is installed on the steam box shell 8, a steam box liner 7 is installed in the steam box shell 8, a heat insulation cavity is formed between the steam box shell 8 and the steam box liner 7, and the steam box liner 7 can be isolated to transfer heat to the steam box shell 8.

Referring to fig. 1 and fig. 2, a gap for flue gas circulation is left between the heat exchanger shell 301 and the multi-tube water vapor pipeline 302, so that the surface area of the multi-tube water vapor pipeline 302 for heat exchange with flue gas is effectively increased, and the utilization rate of flue gas waste heat is improved.

Referring to fig. 3, the multi-tube steam pipeline 302 includes a plurality of first pipelines 303 that are used for the circulation of steam that set up side by side, and first pipeline 303 link up with heat exchange steam inlet pipe 5, leaves the gap that is used for the circulation of flue gas between two adjacent first pipelines 303, and multi-tube steam pipeline 302 has effectively increased the surface area with the heat exchange of flue gas, can reach better flue gas waste heat utilization, makes the steam temperature further rise, and the enthalpy is increased for food steams speed.

Further describing the embodiment, in the cooking and fire-making operation, the hearth 202 of the evaporator 2 absorbs heat from the flame and high-temperature flue gas of the burner 1 at the bottom, the water in the evaporator 2 is heated to raise the temperature to generate steam, the steam flows through the steam outlet 203, the heat exchange steam inlet pipe 5 into the heat exchanger 3, the multi-pipe steam pipe 302 out of the heat exchange steam outlet pipe 6 and then into the steam box inner container 7 to steam food. The high-temperature flue gas after burning heats furnace 202 of evaporimeter 2 and then leads to in heat exchanger 3 through the exhaust stack, the flue gas waste heat at this moment is still very high, the flue gas contacts with the outer surface of multi-tubular steam pipeline 302 of heat exchanger 3, the waste heat is absorbed by the steam of the multi-tubular steam pipeline 302 of flowing through, the flue gas waste heat is continued to be discharged by back level smoke exhaust chimney 4 after being absorbed, the steam temperature that has absorbed the flue gas waste heat further rises, the enthalpy increases, contact and heat release with incasement food after getting into steam ager inner bag 7, accelerate the curing speed of food, reduce the steaming culinary art time, realize the purpose of energy saving.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an energy-conserving steam ager of multitube passageway flue gas waste heat utilization which characterized in that includes: the device comprises a steam box device, a combustor (1), an evaporator (2) and a heat exchanger (3), wherein a rear-stage smoke exhaust chimney (4) is arranged on the steam box device; the evaporator (2) is arranged at the bottom of the steam box device, the evaporator (2) comprises an evaporator shell (201) used for containing water and a hearth (202), a steam outlet (203) is formed in the evaporator shell (201), and the burner (1) is arranged in the hearth (202); the heat exchanger (3) comprises a heat exchanger shell (301) and a multi-pipe type water vapor pipeline (302) positioned in the heat exchanger shell (301), the bottom of the heat exchanger shell (301) is communicated with the hearth (202) through a pipeline, and the top of the heat exchanger shell (301) is communicated with the rear-stage smoke exhaust chimney (4) through a pipeline; a heat exchange steam inlet pipe (5) and a heat exchange steam outlet pipe (6) are installed on the multi-pipe type steam pipeline (302), the heat exchange steam inlet pipe (5) is communicated with the steam outlet (203), and the heat exchange steam outlet pipe (6) is communicated with a steam box inner container (7) in the steam box device.

2. The multi-pipe channel flue gas waste heat utilization energy-saving steam box of claim 1, characterized in that: the multi-tube type water vapor pipeline (302) comprises a plurality of first pipelines (303) which are arranged side by side and used for water vapor circulation, the first pipelines (303) are communicated with the heat exchange water vapor inlet pipe (5), and a gap used for smoke circulation is reserved between every two adjacent first pipelines (303).

3. The multi-pipe channel flue gas waste heat utilization energy-saving steam box of claim 1, characterized in that: and a gap for smoke circulation is reserved between the heat exchanger shell (301) and the multi-tube type water vapor pipeline (302).

4. The multi-pipe channel flue gas waste heat utilization energy-saving steam box of claim 1, characterized in that: the steam box device comprises a steam box shell (8) and a steam box door (9), wherein the steam box door (9) is installed on the steam box shell (8), a steam box inner container (7) is installed in the steam box shell (8), and a heat insulation cavity is formed between the steam box shell (8) and the steam box inner container (7).