CN201436532U

CN201436532U - Low temperature waste gas waste heat recovery system in solid flavoring drying system

Info

Publication number: CN201436532U
Application number: CN200920076306XU
Authority: CN
Inventors: 邹建勇
Original assignee: Shanghai Totole Food Co Ltd
Current assignee: Shanghai Totole Food Co Ltd
Priority date: 2009-06-16
Filing date: 2009-06-16
Publication date: 2010-04-07
Anticipated expiration: 2019-06-16

Abstract

The utility model discloses a low temperature waste gas waste heat recovery system in solid flavoring drying system, which comprises a dust remover, a draft fan, a heater and a heat pipe heat exchanger. Wherein the heat pipe heat exchanger comprises a first inlet, a first outlet, a second inlet and a second outlet; the heat pipe heat exchanger is connected with the dust remover by the first inlet; the heat pipe heat exchanger is connected with the draft fan by the outlet; the heat pipe heat exchanger is connected with the heater by the second outlet; and the second inlet is in communicate with the extraneous air. The system of he utility model not only can reduce fuel consumption and production cost, but also can reduce environment pollution caused by high temperature.

Description

Low temperature waste gas residual neat recovering system in the solid flavoring drying system

Technical field

The utility model relates to heat recovery technology, the low temperature waste gas residual neat recovering system in particularly a kind of solid flavoring drying system.

Background technology

At present a large amount of low grade heat energies can't utilize and directly discharging in industrial production, has not only wasted energy but also contaminated environment.Along with expanding economy and shortage of resources, the price of primary energy rises steadily, and market competition is more and more fierce, and energy savings reduces cost, and the protection environment is extremely urgent.The main energy consumption of producing company every year of solid flavoring is a heat energy, and heat energy is used for the drying solid seasoner products.Its drying technology process is: earlier the fresh air under the room temperature state is heated with vapor heat exchanger, the air after will heating is again introduced dry fluid bed, with the water content of solid flavoring raw material from below 0.8% of 15% drying.EGT after the moisture absorption enters atmosphere through behind the cyclone dust collectors about about 90 ℃, can waste energy like this and contaminated environment.

The utility model content

The technical problems to be solved in the utility model is in order to overcome the defective of prior art, the low temperature waste gas residual neat recovering system in a kind of solid flavoring drying system to be provided, and it can reduce fuel consumption and production cost, can alleviate the high temperature contaminated environment again.

The utility model solves above-mentioned technical problem by following technical proposals: the low temperature waste gas residual neat recovering system in a kind of solid flavoring drying system, it is characterized in that, it comprises deduster, air-introduced machine, heater and heat exchange of heat pipe, heat exchange of heat pipe comprises first import, first outlet and second import, second outlet, heat exchange of heat pipe is connected with deduster by first import, heat exchange of heat pipe is connected with air-introduced machine by first outlet, heat exchange of heat pipe is connected with heater by second outlet, and second import is communicated with outside air.

Positive progressive effect of the present utility model is:

A, compact conformation, the unit volume heat transfer area is big;

B, there is not drive disk assembly, the additive decrementation energy not during heat transfer;

C, every heat exchange of heat pipe have the heat exchange system of one's own, and be independent fully, and it is convenient to clean, unsuitable dirty stifled;

The temperature difference between D, the hot and cold air is less, approaches the isothermal operation, and its efficient is very high;

E, because the fluid flowing passage spaciousness, fluid resistance, the pressure loss are little;

F, cold and hot gas are spaced intermediate, do not reveal, and therefore do not have cross-contamination issue;

G, systematic running cost are little, and management workload is little, and noise is little;

The heat that H, the utility model can real time record reclaim, convenient management;

I, suitable food production safety solve the overanxious difficult problem that low hot waste gas reclaims pollutant and discarded object.

Description of drawings

Fig. 1 is the schematic diagram of the utility model one embodiment.

The specific embodiment

Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.

As shown in Figure 1, low temperature waste gas residual neat recovering system in the utility model solid flavoring drying system comprises deduster, air-introduced machine, heater and heat exchange of heat pipe, heat exchange of heat pipe comprises first import, first outlet, second import and second outlet, heat exchange of heat pipe is connected with deduster by first import and the waste gas in the solid flavoring drying system is introduced, heat exchange of heat pipe is connected with air-introduced machine by first outlet and waste gas is drawn, second import is communicated with outside air, be that heat exchange of heat pipe is introduced the air in the external world by second import, heat exchange of heat pipe be connected with heater by second outlet and will heat after air be incorporated in the heater.

Because the characteristics of solid flavoring drying system residual heat resources are that flow is big, grade is low, and the exhausted air quantity that fluidized bed drying system is discharged is up to 18000m ³/ h, temperature only is about 90 ℃, to utilize difficulty big.Characteristics at these residual heat resources, employing superconduction hot body---the cryogenic fluid heat pipe is as heat transfer element, the heat exchange of heat pipe that design specialized is utilized in low temperature exhaust heat, after being contained in deduster, send into the heat absorbing side of heat exchange of heat pipe from the waste gas of solid flavoring drying system, the heat of waste gas excites heat exchange of heat pipe heat release side to make fresh air be heated, and the air after the heating is sent into heater again, thereby reduced the steam consumption of air heater, reach the purpose of energy-saving and emission-reduction.Show that through on-the-spot test this system can drop to 50 ℃ from 84 ℃ with the technological process EGT, fresh air is preheating to 52 ℃ of (air mass flow 16200m from 27 ℃ ³/ h).

The utility model major technique characteristics adopt the heat exchange of heat pipe of extraordinary working medium, and the new air that utilizes the waste heat preheating and drying in the waste gas to use reduces steam consumption when adding hot-air, reaches energy-conservation purpose, guarantees the reliability and the security of heat-exchange system simultaneously; Guarantee that systematic working medium is nontoxic, harmless to food production; The requirements of type selecting of this opposite heat tube is very high.Heat pipe in the heat exchange of heat pipe is Super-conductive conduit again, and its heat transfer rate is thousands of times to ten thousand times of same metal, and each root heat pipe is exactly a motorless heat circulating system.

The proposition of the low temperature waste gas residual neat recovering system in the solid flavoring drying system, the reliability, the reasonability that design for the assurance system play an important role, and can solve restriction solid flavoring drying system residual heat resources system and have a narrow range of temperature, and volume is big, technical problems such as resistance is big, and price is expensive.

Though more than described the specific embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these embodiments.Therefore, protection domain of the present utility model is limited by appended claims.

Claims

1. the low temperature waste gas residual neat recovering system in the solid flavoring drying system, it is characterized in that, it comprises deduster, air-introduced machine, heater and heat exchange of heat pipe, heat exchange of heat pipe comprises first import, first outlet and second import, second outlet, heat exchange of heat pipe is connected with deduster by first import, heat exchange of heat pipe is connected with air-introduced machine by first outlet, and heat exchange of heat pipe is connected with heater by second outlet, and second import is communicated with outside air.