CN218179679U

CN218179679U - Circulating water cooling structure for roasting furnace

Info

Publication number: CN218179679U
Application number: CN202222312078.XU
Authority: CN
Inventors: 石少波; 孔长青; 高英姿
Original assignee: Shandong Zhicheng Industry Co ltd
Current assignee: Shandong Zhicheng Industry Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-30
Anticipated expiration: 2032-08-31

Abstract

The utility model relates to the technical field of circulating water cooling, in particular to a circulating water cooling structure for a roasting furnace, which comprises a cooling tank and a water cooling mechanism, wherein the water cooling mechanism is connected with a cooling mechanism; the water cooling mechanism comprises a water inlet tank, an air inlet pipe is arranged at the top end of the water inlet tank, and a first coiled pipe is arranged between the air inlet pipe and the air outlet pipe; the cooling mechanism comprises a first high-pressure pump, a flow distribution disc and a flow gathering disc, a three-way pipe is installed at the other end of the first high-pressure pump, a first water outlet pipe is connected with the water outlet end of the three-way pipe, an S-shaped pipe is installed at the other end of the flow distribution disc, the other end of the S-shaped pipe is connected with one end of the flow gathering disc, a first water outlet pipe is installed at the other end of the flow gathering disc, and the other end of the first water outlet pipe extends to the outside of the bottom end of the cooling tank and is connected with a water storage tank. The utility model discloses be convenient for promote the circulating water cooling effect for the roasting furnace to water after the absorption heat can be retrieved and supplies people to use, and is more energy-concerving and environment-protective.

Description

Circulating water cooling structure for roasting furnace

Technical Field

The utility model relates to a circulating water cooling technical field specifically is a circulating water cooling structure for roasting furnace.

Background

In an alumina industrial production system, a roasting furnace is used as the last process in the production flow, and aluminum hydroxide is roasted to remove crystal water in the aluminum hydroxide and form a final sand-shaped alumina finished product. The temperature of the calcined sandy alumina powder is 270-320 ℃, and the calcined sandy alumina powder can be conveyed to an alumina bin and packed for outward transportation when being cooled to below 80 ℃ in a fluidized bed cooler of the calcining furnace. The roasting furnace can generate a large amount of heat, the roasting furnace is often cooled in a water cooling mode in industrial production, the heat generated during the operation of the roasting furnace is taken away through cooling water circulation, and the heat of cooling water is taken away through an external heat exchanger.

But when the circulating water was cooled down through heat exchange device, it was relatively slow to the thermal absorption in the aquatic for the circulating water cooling effect is general, and the cooling speed is slow, and the heat in the circulating water is directly absorbed by heat exchange device and discharges in the air, makes the waste heat can't be effectively utilized, and extravagant resource is wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a circulating water cooling structure for a roasting furnace.

The technical scheme of the utility model: a circulating water cooling structure for a roasting furnace comprises a cooling tank and a water cooling mechanism, wherein the cooling mechanism is arranged in the cooling tank and is connected with the cooling mechanism; the water cooling mechanism comprises a water inlet tank, an air inlet pipe is mounted at the top end of the water inlet tank, an exhaust pipe is mounted at the bottom end of the water inlet tank, and a first coiled pipe is mounted between the air inlet pipe and the exhaust pipe;

the cooling mechanism comprises a first high-pressure pump, a first flow distribution plate and a first flow collection plate, one end of the first high-pressure pump is connected with the bottom end of the water inlet tank, a three-way pipe is installed at the other end of the first high-pressure pump, the water outlet end of the three-way pipe is connected with a first water outlet pipe, the first water outlet pipe extends to the cooling tank, the flow distribution plate is installed inside the cooling tank, an S-shaped pipe is installed at the other end of the flow distribution plate, one end of the flow collection plate is connected with the other end of the S-shaped pipe, a first water outlet pipe is installed at the other end of the flow collection plate, and the other end of the first water outlet pipe extends to the bottom end of the cooling tank and is connected with a water storage tank.

Preferably, the first coiled pipe is connected with the inner wall of the water inlet tank through the mounting rod.

Preferably, the first water outlet pipe is connected with the upper end of the side wall of the cooling tank, and the first water outlet pipe is connected with the lower end of the side wall of the cooling tank; the flow distribution disc and the flow collection disc are respectively installed at the upper end and the lower end inside the cooling tank through bolts.

Preferably, the flow distribution disc is provided with a plurality of groups of water outlets, and the S-shaped pipe is provided with a plurality of groups of water outlets; the structure of the flow collecting disc is consistent with that of the flow distributing disc; water passing channels are arranged between the flow distribution disc and the inner wall of the cooling tank and between the flow collection disc and the inner wall of the cooling tank.

Preferably, the water outlet end of the three-way pipe is further connected with a second water outlet pipe, a second coiled pipe is mounted at the other end of the second water outlet pipe, the second coiled pipe is mounted on the outer wall of the cooling tank in a surrounding mode, a second water outlet pipe is mounted at the other end of the second coiled pipe, and the other end of the second water outlet pipe is connected with the upper end of the side wall of the water storage tank.

Preferably, the water inlet tank and the water storage tank are both provided with temperature sensors.

Preferably, still include second high-pressure pump and wet return, second high-pressure pump sets up on the storage water tank top, and two one ends of high-pressure pump are connected with the inside bottom of storage water tank, and the wet return is connected to two other ends of high-pressure pump, and the wet return other end is connected with the case lateral wall upper end of intaking.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model can contact water with circulating water for the roasting furnace in the cooling tank from the inner direction and the outer direction simultaneously through the cooling mechanism, thereby improving the cooling effect, absorbing heat and flowing into the water storage tank for standby, and saving water resources; the normal-temperature water in the water storage tank flows back to the water inlet tank through the high-pressure pump II for recycling, when the temperature of the circulating water for the roasting furnace is too high and heat dissipation is not in time, the temperature of the water in the water inlet tank is reduced by conveying cold air to the coiled pipe I, and then the cold air is conveyed towards the cooling mechanism, so that the cooling effect is further improved, and the cooling efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cooling mechanism of the present invention;

FIG. 3 is a schematic view of the water cooling mechanism of the present invention;

fig. 4 is a schematic structural view of the diverter tray of the present invention.

Reference numerals: 1. a cooling tank; 2. a water inlet tank; 201. an air inlet pipe; 202. a first serpentine pipe; 203. an exhaust pipe; 3. a first high-pressure pump; 301. a three-way pipe; 302. a first water outlet pipe; 303. a water outlet pipe II; 4. a diverter tray; 401. an S-shaped pipe; 402. a flow collecting disc; 403. a first water drainage pipe; 404. a second coiled pipe; 405. a second water drainage pipe; 5. a water storage tank; 6. a second high-pressure pump; 601. a water return pipe; 7. a temperature sensor.

Detailed Description

Example one

As shown in fig. 1 and fig. 3, the circulating water cooling structure for a roasting furnace provided by the present invention comprises a cooling tank 1 and a water cooling mechanism, wherein the cooling mechanism is arranged inside the cooling tank 1, and the water cooling mechanism is connected with the cooling mechanism; the water cooling mechanism comprises a water inlet tank 2, an air inlet pipe 201 is installed at the top end of the water inlet tank 2, an exhaust pipe 203 is installed at the bottom end of the water inlet tank 2, and a first serpentine pipe 202 is installed between the air inlet pipe 201 and the exhaust pipe 203;

furthermore, the first coiled pipe 202 is connected with the inner wall of the water inlet tank 2 through the mounting rod, so that when the first coiled pipe 202 is connected with an external air cooler, cold air in the first coiled pipe 202 is fully contacted with water in the water inlet tank 2; a temperature sensor 7 is arranged in the water inlet tank 2; the water temperature is convenient to monitor;

as shown in fig. 1, 2 and 4, the cooling mechanism comprises a first high-pressure pump 3, a flow distribution disc 4 and a flow collection disc 402, wherein one end of the first high-pressure pump 3 is connected with the bottom end of the water inlet tank 2, a three-way pipe 301 is installed at the other end of the first high-pressure pump 3, a first water outlet pipe 302 is connected with the water outlet end of the three-way pipe 301, the first water outlet pipe 302 extends to the inside of the cooling tank 1 and is provided with the flow distribution disc 4, an S-shaped pipe 401 is installed at the other end of the flow distribution disc 4, the other end of the S-shaped pipe 401 is connected with one end of the flow collection disc 402, a first water outlet pipe 403 is installed at the other end of the flow collection disc 402, and the other end of the first water outlet pipe 403 extends to the outside of the bottom end of the cooling tank 1 and is connected with a water storage tank 5;

further, a first water outlet pipe 302 is connected with the upper end of the side wall of the cooling tank 1, and a first water outlet pipe 403 is connected with the lower end of the side wall of the cooling tank 1; the flow distribution plate 4 and the flow collection plate 402 are respectively arranged at the upper end and the lower end in the cooling tank 1 through bolts; a plurality of groups of water outlets are arranged on the flow distribution disc 4, and a plurality of groups of S-shaped pipes 401 are arranged; the structure of the flow collecting disc 402 is consistent with that of the flow distribution disc 4; water passing channels are respectively arranged between the flow distribution disc 4 and the inner wall of the cooling tank 1 and between the flow collection disc 402 and the inner wall of the cooling tank 1, so that circulating water for the roasting furnace can conveniently flow in the cooling tank 1;

furthermore, the water storage tank 5 is internally provided with a temperature sensor 7, so that the water temperature in the water storage tank 5 can be monitored conveniently.

In the embodiment, a proper amount of water is injected into the water inlet tank 2 through a water inlet, the water inlet end at the top end of the cooling tank 1 is connected with the water outlet of the circulating cooling equipment for the roasting furnace, the water outlet end at the bottom end of the cooling tank 1 is connected with the water return port of the circulating cooling equipment for the roasting furnace, the high-pressure pump I3 is started through the controller to convey the water in the water inlet tank 2 to the water outlet pipe I302, a part of cooling water enters the flow distribution disc 4 through the water outlet pipe I302 and is distributed by a plurality of groups of S-shaped pipes 401, the contact time and the contact area of the cooling water and the circulating water in the cooling tank 1 can be increased due to the arrangement of the S-shaped pipes 401, a part of heat in the circulating water can be absorbed conveniently and then collected by the flow collection disc 402 and flows into the water storage tank 5 through the water outlet pipe I403, and the water absorbing heat in the water storage tank 5 can be used by people, so that the waste of water resources is avoided; when the temperature of the water in the water storage tank 5 is monitored by the temperature sensor 7 to be reduced to the normal temperature, the high-pressure pump II 6 can be started to convey the water in the water storage tank 5 to the water inlet tank 2 for recycling; when the temperature of circulating water for the roasting furnace in the cooling tank 1 is high and the speed of heat absorption of water in the water inlet tank 2 is low, the external air conditioner can be connected with the air inlet pipe 201, cold air is conveyed towards the first coiled pipe 202, the contact time and the contact area of the cold air and the water in the water inlet tank 2 are increased due to the arrangement of the first coiled pipe 202, the water in the water inlet tank 2 can be cooled, and then the cooled water is conveyed to the cooling mechanism to cool the circulating water in the cooling tank 1.

Example two

As shown in fig. 1 and fig. 2, the utility model provides a circulating water cooling structure for roasting furnace compares in embodiment one, and three-way pipe 301 goes out the water end and still is connected with outlet pipe two 303, and coiled pipe two 404 is installed to the two 303 other ends of outlet pipe, and coiled pipe two 404 encircles and installs at cooling tank 1 outer wall, and drain pipe two 405 is installed to the two 404 other ends of coiled pipe, and the two 405 other ends of drain pipe are connected with storage water tank 5 lateral wall upper ends.

In this embodiment, the water in the water cooling mechanism is divided into the second water outlet pipe 303 through the first high-pressure pump 3 and the three-way pipe 301, and reaches the second water outlet pipe 405 along the second serpentine pipe 404, and when the water is in the second serpentine pipe 404, the water is fully contacted with the outer wall of the cooling tank 1, so that a part of heat of the circulating water for the roasting furnace in the cooling tank 1 is absorbed, and finally the circulating water enters the water storage tank 5 for use.

EXAMPLE III

As shown in fig. 1 to fig. 3, the utility model provides a circulating water cooling structure for roasting furnace compares in embodiment one, still includes two high-pressure pumps 6 and wet return 601, and two high-pressure pumps 6 set up on 5 tops of storage water tank, and two 6 one ends of high-pressure pumps are connected with 5 inside bottoms of storage water tank, and wet return 601 is connected to two 6 other ends of high-pressure pumps, and the wet return 601 other end is connected with 2 lateral walls upper ends of the case of intaking.

In this embodiment, the controller starts the second high-pressure pump 6 to deliver the water in the water storage tank 5, which is cooled to a value other than the set value, to the water inlet tank 2 for recycling.

The working principle is as follows: the water can be simultaneously contacted with the circulating water for the roasting furnace in the cooling tank 1 from the inner direction and the outer direction through the cooling mechanism, heat is absorbed and flows into the water storage tank 5 for standby, water resources are saved, the contact time and area of the water and the circulating water for the roasting furnace are increased due to the arrangement of the plurality of groups of the S-shaped pipes 401 and the second serpentine pipes 404, and the cooling effect is improved; can monitor the temperature of intaking case 2 and storage water tank 5 normal water through temperature sensor 7, can flow back into case 2 mesocycle use of intaking through the normal atmospheric temperature water in the two 6 with storage water tank 5 of high-pressure pump on the one hand, on the other hand can be when the too high heat dissipation of circulating water temperature for the roasting furnace is not in time, through carrying air conditioning to coiled pipe one 202 and making into intake case 2 normal water temperature and reduce, carry towards cooling body again, further promote the cooling effect, promote cooling efficiency.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. A circulating water cooling structure for a roasting furnace comprises a cooling tank (1) and a water cooling mechanism, and is characterized in that the cooling tank (1) is internally provided with the cooling mechanism, and the water cooling mechanism is connected with the cooling mechanism; the water cooling mechanism comprises a water inlet tank (2), an air inlet pipe (201) is installed at the top end of the water inlet tank (2), an exhaust pipe (203) is installed at the bottom end of the water inlet tank (2), and a first coiled pipe (202) is installed between the air inlet pipe (201) and the exhaust pipe (203);

the cooling mechanism comprises a high-pressure pump I (3), a flow distribution disc (4) and a flow collection disc (402), one end of the high-pressure pump I (3) is connected with the bottom end of the water inlet tank (2) and is connected with the bottom end of the water inlet tank (2), a three-way pipe (301) is installed at the other end of the high-pressure pump I (3), the water outlet end of the three-way pipe (301) is connected with a water outlet pipe I (302), the water outlet pipe I (302) extends to the cooling tank (1) and is internally provided with the flow distribution disc (4), an S-shaped pipe (401) is installed at the other end of the flow distribution disc (4), one end of the flow collection disc (402) is connected with the other end of the flow collection disc (402), a drain pipe I (403) is installed at the other end of the flow distribution disc (402), and the other end of the drain pipe I (403) extends to the outside of the bottom end of the cooling tank (1) and is connected with a water storage tank (5).

2. The circulating water cooling structure for the roasting furnace as claimed in claim 1, wherein the first serpentine pipe (202) is connected to the inner wall of the water inlet tank (2) through a mounting rod.

3. The circulating water cooling structure for the roasting furnace as claimed in claim 1, wherein a first water outlet pipe (302) is connected with the upper end of the side wall of the cooling tank (1), and a first water outlet pipe (403) is connected with the lower end of the side wall of the cooling tank (1); the flow distribution disc (4) and the flow collection disc (402) are respectively installed at the upper end and the lower end in the cooling tank (1) through bolts.

4. The circulating water cooling structure for the roasting furnace as claimed in claim 1, wherein the splitter plate (4) is provided with a plurality of groups of water outlets, and the S-shaped pipes (401) are provided with a plurality of groups; the structure of the flow gathering disc (402) is consistent with that of the flow distribution disc (4); water passing channels are arranged between the flow distribution disc (4) and the inner wall of the cooling tank (1) and between the flow collection disc (402) and the inner wall of the cooling tank (1).

5. The circulating water cooling structure for the roasting furnace as claimed in claim 1, wherein the water outlet end of the tee pipe (301) is further connected with a second water outlet pipe (303), a second coiled pipe (404) is installed at the other end of the second water outlet pipe (303), the second coiled pipe (404) is installed on the outer wall of the cooling tank (1) in a surrounding mode, a second drain pipe (405) is installed at the other end of the second coiled pipe (404), and the other end of the second drain pipe (405) is connected with the upper end of the side wall of the water storage tank (5).

6. The circulating water cooling structure for the roasting furnace as claimed in claim 1, wherein the water inlet tank (2) and the water storage tank (5) are provided with temperature sensors (7).

7. The circulating water cooling structure for the roasting furnace as claimed in claim 1, further comprising a second high pressure pump (6) and a water return pipe (601), wherein the second high pressure pump (6) is arranged at the top end of the water storage tank (5), one end of the second high pressure pump (6) is connected with the bottom end inside the water storage tank (5), the other end of the second high pressure pump (6) is connected with the water return pipe (601), and the other end of the water return pipe (601) is connected with the upper end of the side wall of the water inlet tank (2).