CN211204871U

CN211204871U - Rotary kiln preheating and recycling device with fin coiled pipes

Info

Publication number: CN211204871U
Application number: CN201922233161.6U
Authority: CN
Inventors: 陈明超; 张月宁; 季春兰; 徐夕东
Original assignee: Jiangsu Zdee Environmental Engineering Co ltd
Current assignee: Jiangsu Zdee Environmental Engineering Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-08-07
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a rotary kiln preheats recovery unit with fin coiled pipe, including the rotary kiln body, the outer wall fixed mounting of rotary kiln body has the heat recovery cover, the top right side fixed mounting of rotary kiln body has the heat recovery outer container, the inner chamber top right side fixed mounting of heat recovery outer container has the heat recovery inner box, the top left side fixed mounting of heat recovery cover has the heat mixing box that is connected with the heat recovery outer container, the inner chamber top intermediate position department fixed mounting who mixes the heat box has the cylinder, the bottom fixed mounting of cylinder has sealed the pad, the inner chamber bottom right side fixed mounting who mixes the heat box has the first connecting pipe that extends to heat recovery outer container inner chamber. This rotary kiln preheats recovery unit with fin coiled pipe passes through high temperature resistant fan and conducts the heat to the inner box inner chamber of heat recovery, lets in cold air inside the rotary kiln body through the air-blower, increases the contact surface and then makes the air effectively preheat through the fin coiled pipe, and the fuel economy of being convenient for reduces the energy consumption.

Description

Rotary kiln preheating and recycling device with fin coiled pipes

Technical Field

The utility model relates to a rotary kiln technical field specifically is a rotary kiln preheats recovery unit with fin coiled pipe.

Background

The combustion-supporting air of rotary kiln has primary air and overgrate air, and primary air lets in the nozzle and directly participates in the burning, and the overgrate air preheats the back and lets in the kiln combustion-supporting, to the combustion-supporting air of rotary kiln, especially the overgrate air preheats and then helps burning in the kiln to fuel saving, and it is very necessary to reduce the rotary kiln energy consumption, and traditional rotary kiln preheats recovery unit and basically can satisfy people's user demand, but still has certain problem, and specific problem is as follows:

1. most rotary kiln preheating and recycling devices in the current market do not have a fin coiled pipe, so that the contact surface between the preheating and recycling devices and the rotary kiln is small, and the heating efficiency is low;

2. most rotary kiln preheating recovery devices in the market can utilize preheating to heat water media, but the heating temperature is not uniform enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary kiln preheats recovery unit with fin coiled pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a preheating and recycling device of a rotary kiln with a fin coiled pipe comprises a rotary kiln body, wherein a heat recycling sleeve is fixedly installed on the outer wall of the rotary kiln body, a heat recycling outer box is fixedly installed on the right side of the top of the rotary kiln body, a heat recycling inner box is fixedly installed on the right side of the top of an inner cavity of the heat recycling outer box, a heat mixing box body connected with the heat recycling outer box is fixedly installed on the left side of the top of the heat recycling sleeve, an air cylinder is fixedly installed at the middle position of the top of the inner cavity of the heat mixing box body, a sealing gasket is fixedly installed at the bottom of the air cylinder, a first communicating pipe extending to the inner cavity of the heat recycling outer box is fixedly installed on the right side of the bottom of the inner cavity of the heat mixing box body and arranged below the heat recycling inner box, a supporting frame is fixedly installed at the upper end of, a second air pipe extending to the inner cavity of the heat recovery inner box is installed at the left output end of the air blower, a finned coiled pipe body is fixedly installed at the bottom of the left side of the second air pipe, a first air pipe penetrating through the heat recovery outer box and the heat recovery inner box and extending to the inner cavity of the rotary kiln body is fixedly installed at the bottom of the left side of the finned coiled pipe body, second communicating pipes penetrating through the heat recovery outer box and the heat recovery inner box and extending to the inner cavity of the heat recovery sleeve are symmetrically installed at the left end and the right end of the inner cavity of the heat recovery inner box, high-temperature resistant fans are fixedly installed at the left end and the right end of the inner cavity of the heat recovery inner box, two groups of the high-temperature resistant fans are installed between the two groups of the second communicating pipes, a liquid level relay is fixedly installed at the top of the inner cavity of the heat recovery outer box and is arranged in, the back top fixed mounting of heat recovery outer container has the hose of intaking, install the solenoid valve on the hose of intaking, and the solenoid valve setting is in the outside of heat recovery outer container, electric connection between solenoid valve and the level relay, the back bottom fixed mounting of heat recovery outer container has a water hose.

Preferably, among the above-mentioned rotary kiln preheating recovery device with fin coiled pipe, temperature monitoring mechanism includes display screen and temperature sensor, display screen fixed mounting is in the positive left intermediate position department of heat recovery outer container, temperature sensor fixed mounting is in the inner chamber bottom of heat recovery outer container, and the temperature sensor setting is in the place ahead of heat recovery inner box, electric connection between display screen and the temperature sensor.

Based on the technical characteristics, the water temperature is convenient to monitor.

Preferably, in the preheating and recycling device for a rotary kiln with a fin coil pipe, a valve is installed on the water outlet hose.

Based on the technical characteristics, the water medium can flow out conveniently.

Preferably, in the above preheating and recycling device for a rotary kiln with a fin-shaped coiled pipe, the material of the sealing gasket may be a high temperature resistant rubber material.

Based on the technical characteristics, the water temperature is convenient to be uniformly distributed.

Preferably, in the preheating and recycling device for a rotary kiln with a fin-shaped coiled pipe, two sets of the high-temperature resistant fans are arranged, and the two sets of the high-temperature resistant fans are symmetrically arranged about a central axis of the heat recycling inner box.

Based on the technical characteristics, the uniform heating is convenient.

Preferably, in the preheating and recycling device of the rotary kiln with the fin coiled pipe, the blower, the support frame and the heat recycling outer box are welded into an integrated structure.

Based on the technical characteristics, the installation stability is convenient to improve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the heat is transferred to the inner cavity of the heat recovery inner box through the high-temperature resistant fan, the cold air is introduced into the rotary kiln body through the blower, and the contact surface of the cold air and the hot air is effectively increased under the action of the fin coiled pipe body, so that the air enters the rotary kiln body to be effectively preheated, the fuel is saved, and the energy consumption is reduced;

2. thereby drive sealed the pad through the cylinder and reciprocate thereby heat recovery outer container and mix the clear water flow rate of hot box inside with higher speed under the effect of first connecting pipe, thereby be convenient for improve the temperature degree of consistency.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a left side sectional view of the outer heat recovery tank and the inner heat recovery tank of the present invention;

fig. 3 is a schematic view of the front view structure of the present invention.

In the figure: 1. a cylinder; 2. a gasket; 3. a heat mixing box body; 4. a first communication pipe; 5. a rotary kiln body; 6. a heat recovery jacket; 7. a second communicating pipe; 8. a high temperature resistant fan; 9. a first air duct; 10. a support frame; 11. a blower; 12. a second air duct; 13. a fin coil body; 14. a heat recovery outer case; 15. a heat recovery inner box; 16. a water outlet hose; 17. a water inlet hose; 18. an electromagnetic valve; 19. a liquid level relay; 20. a temperature monitoring mechanism; 2001. a display screen; 2002. a water temperature sensor.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a preheating and recycling device of a rotary kiln with a fin coiled pipe comprises a rotary kiln body 5, a heat recycling sleeve 6 is fixedly installed on the outer wall of the rotary kiln body 5, a heat recycling outer box 14 is fixedly installed on the right side of the top of the rotary kiln body 5, a heat recycling inner box 15 is fixedly installed on the right side of the top of an inner cavity of the heat recycling outer box 14, a heat mixing box 3 connected with the heat recycling outer box 14 is fixedly installed on the left side of the top of the heat recycling sleeve 6, an air cylinder 1 is fixedly installed in the middle position of the top of the inner cavity of the heat mixing box 3, the type of the air cylinder 1 can be HOB125 & ltx & gt 50FA, a sealing gasket 2 is fixedly installed at the bottom of the air cylinder 1, the sealing gasket 2 can be made of high-temperature resistant rubber, a first connecting pipe 4 extending to the inner cavity of the heat recycling outer box 14 is fixedly installed on the right side of the bottom of the inner cavity, a supporting frame 10 is fixedly installed at the upper end of the right side wall of the heat recovery outer box 14, a blower 11 is fixedly installed at the top of the supporting frame 10, the model of the blower 11 can be HSR50, a welding integrated structure is formed among the blower 11, the supporting frame 10 and the heat recovery outer box 14, a second air pipe 12 extending to the inner cavity of the heat recovery inner box 15 is installed at the left output end of the blower 11, a fin coil body 13 is fixedly installed at the left bottom of the second air pipe 12, a first air pipe 9 penetrating through the heat recovery outer box 14 and the heat recovery inner box 15 and extending to the inner cavity of the rotary kiln body 5 is fixedly installed at the left bottom of the fin coil body 13, second communicating pipes 7 penetrating through the heat recovery outer box 14 and the heat recovery inner box 15 and extending to the inner cavity of the heat recovery sleeve 6 are symmetrically installed at the left end and the right end of the inner cavity of the heat recovery inner box 15, high temperature resistant fans, the model of the high temperature resistant fan 8 can be SJ2808HA2, two groups of high temperature resistant fans 8 are arranged, two groups of high temperature resistant fans 8 are symmetrically arranged about the central axis of the heat recovery inner box 15, two groups of high temperature resistant fans 8 are arranged between two groups of second communicating pipes 7, a liquid level relay 19 is fixedly arranged at the top of the inner cavity of the heat recovery outer box 14, the model of the liquid level relay 19 can be JYB-714B-220V, the liquid level relay 19 is arranged in front of the heat recovery inner box 15, a temperature monitoring mechanism 20 is arranged at the lower end of the front surface of the heat recovery outer box 14, the temperature monitoring mechanism 20 comprises a display screen 2001 and a water temperature sensor 2002, the model of the water temperature sensor 2002 can be TR/02010, the display screen 2001 is fixedly arranged at the middle position on the left side of the front surface of the heat recovery outer box 14, the water temperature sensor 2002 is fixedly arranged at the bottom of the inner cavity of the heat recovery outer box 14, and the, the display screen 2001 is electrically connected with the water temperature sensor 2002, the top of the back of the heat recovery outer box 14 is fixedly provided with a water inlet hose 17, the water inlet hose 17 is provided with an electromagnetic valve 18, the model of the electromagnetic valve 18 can be 2W-250-25, the electromagnetic valve 18 is arranged outside the heat recovery outer box 14, the electromagnetic valve 18 is electrically connected with a liquid level relay 19, the bottom of the back of the heat recovery outer box 14 is fixedly provided with a water outlet hose 16, and the water outlet hose 16 is provided with a valve.

The working principle is as follows: when the rotary kiln preheating and recycling device with the finned coiled tubes is used, an external power supply is firstly switched on, when the rotary kiln body 5 works, the air blower 11 and the high-temperature resistant fan 8 are started, the surface temperature of the rotary kiln body 5 is high, hot air in the heat recycling sleeve 6 flows between the second communicating pipe 7 and the heat recycling inner box 15 under the action of the high-temperature resistant fan 8, then heat is conducted to the inner cavity of the heat recycling inner box 15, external cold air is led into the rotary kiln body 5 through the second air pipe 12, the finned coiled tube body 13 and the first air pipe 9 under the action of the air blower 11, the contact surface between the cold air and the hot air is effectively increased under the action of the finned coiled tube body 13, and then the air enters the rotary kiln body 5 for effective preheating, so that fuel is saved, the energy consumption is reduced, when the waste heat of the rotary kiln body 5 is required to heat the water medium, it injects the clear water to heat recovery outer container 14 inside through the hose 17 that intakes earlier to start solenoid valve 18, after the clear water level reaches appropriate value, liquid level relay 19 in time detects out and control solenoid valve 18 closes, conduct the heat of heat recovery cover 6 inside to the clear water under the effect of second communicating pipe 7, start cylinder 1 drives sealed pad 2 and reciprocates thereby heat recovery outer container 14 and the clear water flow rate of mixing heat box 3 inside with higher speed under the effect of first communicating pipe 4, thereby be convenient for improve the temperature degree of consistency, the temperature of the inside of real-time detection heat recovery outer container 14 under the effect of temperature sensor 2002 shows through display screen 2001, thereby be convenient for operating personnel real-time observation record, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rotary kiln preheats recovery unit with fin coiled pipe, includes rotary kiln body (5), its characterized in that: the outer wall of the rotary kiln body (5) is fixedly provided with a heat recovery sleeve (6), the top right side of the rotary kiln body (5) is fixedly provided with a heat recovery outer box (14), the inner cavity top right side of the heat recovery outer box (14) is fixedly provided with a heat recovery inner box (15), the top left side of the heat recovery sleeve (6) is fixedly provided with a mixed heat box body (3) connected with the heat recovery outer box (14), the middle position of the inner cavity top of the mixed heat box body (3) is fixedly provided with an air cylinder (1), the bottom of the air cylinder (1) is fixedly provided with a sealing gasket (2), the inner cavity bottom right side of the mixed heat box body (3) is fixedly provided with a first communicating pipe (4) extending to the inner cavity of the heat recovery outer box (14), the first communicating pipe (4) is arranged below the heat recovery inner box (15), the upper end of the right side wall of the heat recovery outer box (14) is fixedly provided with a support, the top of the supporting frame (10) is fixedly provided with an air blower (11), the left output end of the air blower (11) is provided with a second air pipe (12) extending to the inner cavity of the heat recovery inner box (15), the left bottom of the second air pipe (12) is fixedly provided with a fin coiled pipe body (13), the left bottom of the fin coiled pipe body (13) is fixedly provided with a first air pipe (9) penetrating through the heat recovery outer box (14) and the heat recovery inner box (15) and extending to the inner cavity of the rotary kiln body (5), the left and right ends of the inner cavity of the heat recovery inner box (15) are symmetrically provided with second communicating pipes (7) penetrating through the heat recovery outer box (14) and the heat recovery inner box (15) and extending to the inner cavity of the heat recovery sleeve (6), the left and right ends of the inner cavity bottom of the heat recovery inner box (15) are fixedly provided with high temperature resistant fans (8), and the two sets of the high temperature resistant fans (8) are arranged between the, inner chamber top fixed mounting of heat recovery outer container (14) has liquid level relay (19), and liquid level relay (19) set up the place ahead in heat recovery inner box (15), the front lower extreme of heat recovery outer container (14) is provided with temperature monitoring mechanism (20), the back top fixed mounting of heat recovery outer container (14) has intake hose (17), install solenoid valve (18) on intake hose (17), and solenoid valve (18) set up the outside at heat recovery outer container (14), electric connection between solenoid valve (18) and liquid level relay (19), the back bottom fixed mounting of heat recovery outer container (14) has outlet hose (16).

2. The preheating recovery device of the rotary kiln with the finned coiled pipe as claimed in claim 1, wherein: the temperature monitoring mechanism (20) comprises a display screen (2001) and a water temperature sensor (2002), the display screen (2001) is fixedly installed at the middle position of the front left side of the heat recovery outer box (14), the water temperature sensor (2002) is fixedly installed at the bottom of an inner cavity of the heat recovery outer box (14), the water temperature sensor (2002) is arranged in front of the heat recovery inner box (15), and the display screen (2001) is electrically connected with the water temperature sensor (2002).

3. The preheating recovery device of the rotary kiln with the finned coiled pipe as claimed in claim 1, wherein: and a valve is arranged on the water outlet hose (16).

4. The preheating recovery device of the rotary kiln with the finned coiled pipe as claimed in claim 1, wherein: the sealing gasket (2) can be made of high-temperature-resistant rubber materials.

5. The preheating recovery device of the rotary kiln with the finned coiled pipe as claimed in claim 1, wherein: the high-temperature resistant fans (8) are arranged in two groups, and the high-temperature resistant fans (8) are symmetrically arranged relative to the central axis of the heat recovery inner box (15).

6. The preheating recovery device of the rotary kiln with the finned coiled pipe as claimed in claim 1, wherein: and the blower (11), the support frame (10) and the heat recovery outer box (14) are of a welding integrated structure.