CN213599850U

CN213599850U - High temperature shaft kiln heat recovery utilizes device

Info

Publication number: CN213599850U
Application number: CN202021874595.0U
Authority: CN
Inventors: 曹连山; 刘兴冶; 廉守胜
Original assignee: Yingkou Yijia Magnesium Technology Co ltd
Current assignee: Yingkou Yijia Magnesium Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-07-02
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a high-temperature shaft kiln heat recycling device, which comprises a heat exchanger, wherein the side wall of the heat exchanger is provided with a flue gas inlet pipeline and a flue gas outlet pipeline, a plurality of heat exchange pipelines are fixedly connected in the heat exchanger and are communicated with a water inlet pipeline and a water outlet pipeline at a water inlet part and a water outlet part, the water outlet pipeline is communicated with a heat storage tank, the side wall of the heat storage tank is connected with a heating pipe through a water pump, the heating pipe is communicated with heating equipment, the heat recycling device of the high-temperature shaft kiln is designed, by connecting heat exchange water into the heat exchanger and connecting high-temperature flue gas generated by the high-temperature shaft kiln into the heat exchanger, the heat exchange water and the high-temperature flue gas form convective heat exchange in the heat exchanger, the heat exchange water is heated by heat, then the heat exchange water is stored and is supplied to the heating equipment, and the recycling and heating, the heat of the high-temperature shaft kiln is fully utilized, and the production cost is reduced.

Description

High temperature shaft kiln heat recovery utilizes device

Technical Field

The utility model relates to a high temperature shaft kiln heat recovery utilizes technical field, specifically is a high temperature shaft kiln heat recovery utilizes device.

Background

The high-temperature shaft kiln refers to a thermal device for continuously calcining clinker by charging at the upper part and discharging at the lower part. The kiln consists of kiln body, feeding and discharging device and ventilating equipment, and is widely used for calcining various refractory raw materials and lime, and has the advantages of low capital investment, small occupied area, high slaking efficiency, low fuel consumption and easy mechanization and automation.

Since the high temperature shaft kiln generates a large amount of heat during operation, however, no related device for recovering the heat is provided in the prior art, thereby resulting in waste of heat loss and increasing the production cost without reason.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a high temperature shaft kiln heat recovery utilizes device, which comprises a heat exchanger, flue gas inlet pipe way and flue gas air outlet pipeline have been seted up to the lateral wall on the heat exchanger, the rigid coupling has a plurality of heat transfer pipeline in the heat exchanger, and is a plurality of heat transfer pipeline has water intake pipe and outlet pipe way in water inlet department and outlet pipe department intercommunication, the outlet pipe way intercommunication has the heat accumulation jar, the heat accumulation jar lateral wall is connected with the heating pipe through the water pump, the heating pipe intercommunication has heating equipment.

Preferably, the heating equipment comprises a body, wherein one side of the body is provided with a butt joint port communicated with the heating pipe, the other side of the body is provided with an air discharge pipeline, and the air discharge pipeline is sealed through an air valve.

Preferably, the outer wall of the heat storage tank is attached with a heat insulation layer.

Preferably, the heat preservation layer is made of heat preservation cotton.

Preferably, the heat exchange pipeline is of a coiled pipe structure.

Preferably, the heating equipment is connected with a temperature detector.

The utility model discloses following beneficial effect has:

to prior art's blank, the heat recycle device of high temperature shaft kiln has been designed, through inserting in the heat exchanger of heat transfer water, and the high temperature flue gas that the switch-on high temperature shaft kiln produced to the heat exchanger in, realize exchanging hot water and high temperature flue gas and form the heat convection in the heat exchanger, utilize heat heating to exchange hot water, it gets up and supplies with heating equipment to trade hot water storage afterwards, realize recycle and the process of heating integration, abundant utilization the heat of high temperature shaft kiln, and the production cost is reduced.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top cross-sectional view of the heat exchanger of the present invention;

in the figure: 1. a heat exchanger; 2. a flue gas inlet pipeline; 3. a flue gas outlet pipeline; 4. a heat exchange line; 5. a water inlet pipeline; 6. a water outlet pipeline; 7. a heat storage tank; 8. a heating pipe; 9. a water pump; 10. a body; 11. a docking port; 12. an air bleed line; 13. an air valve; 14. a heat-insulating layer; 15. a temperature detector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model provides a high temperature shaft kiln heat recovery utilizes device, including heat exchanger 1, flue gas inlet pipe 2 and flue gas outlet pipe way 3 have been seted up to side wall on the heat exchanger 1, the rigid coupling has a plurality of heat transfer pipeline 4 in the heat exchanger 1, and is a plurality of heat transfer pipeline 4 has water intake pipe 5 and outlet pipe 6 in water inlet department and outlet department intercommunication, outlet pipe 6 intercommunication has heat accumulation jar 7, heat accumulation jar 7 lateral wall is connected with heating pipe 8 through water pump 9, heating pipe 8 intercommunication has heating equipment.

Wherein, heating equipment includes body 10, body 10 one side is offered and is used for the butt joint port 11 with the 8 intercommunications of heating pipe, gas release pipeline 12 has been seted up to body 10 opposite side, gas release pipeline 12 seals through pneumatic valve 13, places heat transfer equipment in the factory building, opens pneumatic valve 13 afterwards, makes the gas in the body 10 exhaust, supplies with heat transfer water through heat accumulation jar 7 to heating equipment, and body 10 heats in to the factory building, realizes the heat transfer water utilization.

Wherein, the laminating of 7 outer walls of heat storage tank has heat preservation 14, and heat storage tank 7 is placed in the factory building, prevents that the heat from running off too big, and heat preservation 14 is the laminating and surrounds at 7 outer walls of heat storage tank, strengthens heat preservation of heat storage tank 7, reduces heat exchange water's temperature drop rate.

The heat preservation layer 14 is made of heat preservation cotton materials, the heat preservation cotton materials have high heat preservation performance, and heat preservation quality can be further guaranteed.

Wherein, heat transfer pipeline 4 is coiled pipe structure, because heat transfer water needs carry out the heat transfer with high temperature flue gas, therefore coiled pipe structure can increase the stroke of heat transfer area and heat transfer water to improve the efficiency of heat transfer.

Wherein, the heating equipment is connected with a temperature detector 15, the temperature detector 15 is arranged on the body 10, and the temperature probe part is arranged in the body 10 for detecting the temperature in the body.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

Example (b): the flue gas inlet pipeline 2 is connected with a flue gas pipeline of the high-temperature shaft kiln, the flue gas outlet pipeline is connected with a flue gas outlet pipeline of the high-temperature shaft kiln for subsequent treatment of high-temperature flue gas, then an external pipe is connected through a water inlet pipeline 5 and water is supplied, heat exchange water enters a heat exchange pipeline 4, the heat exchange process is carried out with the high-temperature flue gas, the heat exchange water after the heat exchange flows into the water outlet pipeline 6 and is directly conveyed into the heat storage tank 7, then the water pump 9 is started, the air valve 13 is opened to exhaust the gas in the heating equipment body 10, then the air valve 13 is closed, the heat exchange water in the heat storage tank 7 is conveyed into the heating equipment through the water pump 9, the heat storage tank 7 is provided with a plurality of butt joints for heating a plant, can be used for connecting other external devices, directly conveys heat exchange water to other devices for related utilization, and completes the heat recycling process of the high-temperature shaft kiln.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature shaft kiln heat recycle device, includes heat exchanger (1), its characterized in that, heat exchanger (1) side wall has been seted up flue gas inlet pipe way (2) and flue gas and has been given vent to anger pipeline (3), the rigid coupling has a plurality of heat transfer pipeline (4) in heat exchanger (1), and is a plurality of heat transfer pipeline (4) are in water inlet department and go out water department intercommunication and have inlet channel (5) and outlet channel (6), outlet channel (6) intercommunication has heat accumulation jar (7), heat accumulation jar (7) lateral wall is connected with heating pipe (8) through water pump (9), heating pipe (8) intercommunication has heating equipment.

2. The heat recycling device of the high-temperature shaft kiln according to claim 1, characterized in that the heating equipment comprises a body (10), one side of the body (10) is provided with a butt joint port (11) for communicating with the heating pipe (8), the other side of the body (10) is provided with an air discharge pipeline (12), and the air discharge pipeline (12) is closed by an air valve (13).

3. The heat recycling device of the high-temperature shaft kiln according to claim 2, characterized in that the outer wall of the heat storage tank (7) is adhered with an insulating layer (14).

4. The heat recycling device for the high-temperature shaft kiln as recited in claim 3, characterized in that the heat-insulating layer (14) is made of heat-insulating cotton.

5. The heat recovery device of claim 4, wherein the heat exchange pipeline (4) is of a serpentine structure.

6. The heat recovery and utilization device of high-temperature shaft kiln according to claim 1, characterized in that the heating equipment is connected with a temperature detector (15).