CN210220770U

CN210220770U - Waste heat recovery device for coking furnace

Info

Publication number: CN210220770U
Application number: CN201920758038.3U
Authority: CN
Inventors: Yongquan Zhou; 周永权; Shuangdi Bu; 卜双娣
Original assignee: Jiangsu Shunke Technology Co Ltd
Current assignee: Jiangsu Shunke Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-03-31
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a waste heat recovery device for coking furnace, including box and recovery mechanism, the inner wall fixedly connected with heat preservation of box, the left top intercommunication of box has the flue gas to advance the pipe, the top fixedly connected with cold water storage cistern of box, the top intercommunication of cold water storage cistern has the water injection pipe. The utility model discloses a retrieve the use of mechanism, be convenient for retrieve the flue gas waste heat that the coking furnace produced, utilize its heat to heat cold water, the rational utilization the energy, use through the buffer board, be convenient for admit air the buffering to the flue gas, avoid its velocity of flow too fast, cause the lower problem of waste heat recovery rate, the coking furnace can produce more higher thermal flue gas that contains in the use has been solved, if these flue gases directly carry out the environmental protection and handle, then can waste more energy, make the heat utilization rate among the coking process descend, therefore, need carry out the problem of retrieving to the flue gas waste heat.

Description

Waste heat recovery device for coking furnace

Technical Field

The utility model relates to a coking industry technical field specifically is a waste heat recovery device for coking furnace.

Background

Coking generally refers to the process of carbonization and zooming of organic substances, refers to high-temperature carbonization in carbonization of coal, refers to the process of deep cracking and condensation reaction of heavy oil (such as heavy oil, vacuum residue, cracked residue, even soil asphalt and the like) at a high temperature of about 500 ℃ in petroleum processing, and refers to the process of generating gas, gasoline, diesel oil, wax oil and petroleum coke, wherein the coking mainly comprises five process processes of delayed coking, kettle coking, open-hearth coking, fluid coking, flexible coking and the like, a coke oven is one of coking devices commonly used in the coking industry, and has the main functions of producing metallurgical coke, more smoke with higher heat can be generated in the using process of the coking oven, if the smoke is directly subjected to environment-friendly treatment, more energy can be wasted, and the heat utilization rate in the coking process is reduced, therefore, the waste heat of the flue gas needs to be recovered, and for this reason, a waste heat recovery device for a coking furnace is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste heat recovery device for coking furnace possesses the advantage that can carry out the recovery to the flue gas waste heat, has solved coking furnace and can produce more higher thermal flue gas that contains in the use, if these flue gases directly carry out environmental protection and handle, then can waste more energy for the heat utilization rate among the coking process descends, consequently, needs carry out the problem of retrieving to the flue gas waste heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waste heat recovery device for coking furnace, includes box and recovery mechanism, the inner wall fixedly connected with heat preservation of box, the left top intercommunication of box has the flue gas to advance the pipe, the top fixedly connected with cold water storage cistern of box, the top intercommunication of cold water storage cistern has the water injection pipe, the left side at box inner chamber top just is located the right side fixedly connected with buffer board that the flue gas advances the pipe, the inner chamber of box is provided with the recovery mechanism, the top intercommunication on box right side has the flue gas exit tube, the bottom fixedly connected with hot-water tank on box right side, the bottom intercommunication on hot-water tank right side has the outlet pipe, the fixed surface of outlet pipe installs the outlet valve.

Preferably, the heat preservation layer and the hot water tank are both made of rock wool heat preservation materials, and the heat preservation layer is coated on the inner wall of the tank body in a spraying mode.

Preferably, the bottom fixedly connected with supporting leg of box, the quantity of supporting leg is four, and is located the four corners of bottom half respectively, the positive surface swing joint of box has sealing door.

Preferably, the recovery mechanism includes the inlet tube, the top of inlet tube communicates in the bottom of cold water storage cistern, the bottom of inlet tube runs through to the inner chamber and the intercommunication of box have first violently pipe, the bottom intercommunication of first violently pipe has the heat exchange tube, one side intercommunication that first violently pipe was kept away from to the heat exchange tube has the second to violently manage, the right side intercommunication that the second was violently managed has hot water to advance the pipe, the right side that hot water advances the pipe runs through to the right side and the intercommunication of box has the water pump, water pump fixed connection is in the top of hot-water storage cistern, the right side intercommunication of water pump has the hot water exit tube, the hot water exit tube is far away from one side of water pump and is run through to the inner chamber of hot-water storage cistern, the equal fixedly connected with connecting rod.

Preferably, the inner chamber fixed mounting of inlet tube has the solenoid valve, the quantity of heat exchange tube is four at least, and the one end evenly distributed of heat exchange tube is in the bottom of first violently managing, and other end evenly distributed is in the left side that the second violently managed.

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

the utility model discloses a use of recovery mechanism, be convenient for retrieve the flue gas waste heat that the coking furnace produced, utilize its heat to heat cold water, the rational utilization the energy, use through the buffer board, be convenient for admit air the buffering to the flue gas, avoid its velocity of flow too fast, cause the lower problem of waste heat recovery rate, use through the heat preservation, be convenient for keep warm to the flue gas, avoid its heat to run off, use through the hot-water tank, be convenient for store hot water, it can produce more flue gas that contains higher heat in the use to have solved the coking furnace, if these flue gases directly carry out the environmental protection and handle, then can waste more energy, make the heat utilization rate of coking in-process descend, therefore, need carry out the problem of retrieving to the flue gas waste heat.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the recycling mechanism of the present application;

fig. 3 is a left side view of the heat exchange tube of the present invention.

In the figure: the device comprises a box body 1, a heat preservation layer 2, a smoke inlet pipe 3, a buffer plate 4, a cold water tank 5, a water injection pipe 6, a smoke outlet pipe 7, a recovery mechanism 8, a water inlet pipe 81, a first transverse pipe 82, a connecting rod 83, a heat exchange pipe 84, a second transverse pipe 85, a water pump 86, a hot water outlet pipe 87, a hot water inlet pipe 88, a hot water tank 9, a water outlet valve 10, a water outlet pipe 11, supporting legs 12 and an electromagnetic valve 13.

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.

The utility model provides a box 1, heat preservation 2, the flue gas advances pipe 3, buffer board 4, cold water storage cistern 5, water injection pipe 6, flue gas exit tube 7, recovery mechanism 8, inlet tube 81, first violently pipe 82, connecting rod 83, heat exchange tube 84, the second violently manages 85, water pump 86, hot water exit tube 87, hot water advances pipe 88, hot-water tank 9, outlet valve 10, outlet pipe 11, supporting leg 12 and solenoid valve 13 part are the general standard or the part that technical staff in the field knows, its structure and principle all can learn through the technical manual for technical staff in the field or learn through conventional experimental method.

Referring to fig. 1-3, a waste heat recovery device for a coking furnace comprises a box body 1 and a recovery mechanism 8, wherein the bottom of the box body 1 is fixedly connected with four supporting legs 12, the four supporting legs 12 are respectively positioned at four corners of the bottom of the box body 1, the front surface of the box body 1 is movably connected with a sealing door, the inner wall of the box body 1 is fixedly connected with a heat preservation layer 2, the heat preservation of flue gas is facilitated by using the heat preservation layer 2, the heat loss of the flue gas is avoided, the top of the left side of the box body 1 is communicated with a flue gas inlet pipe 3, the top of the box body 1 is fixedly connected with a cold water tank 5, the top of the cold water tank 5 is communicated with a water injection pipe 6, the left side of the top of the inner cavity of the box body 1 and the right side of the flue gas inlet pipe 3 are fixedly connected with a buffer plate 4, the inner cavity of the box body 1 is provided with a recovery mechanism 8, the recovery mechanism 8 comprises a water inlet pipe 81, the top of the water inlet pipe 81 is communicated with the bottom of the cold water box 5, the bottom of the water inlet pipe 81 penetrates through the inner cavity of the box body 1 and is communicated with a first horizontal pipe 82, the bottom of the first horizontal pipe 82 is communicated with a heat exchange pipe 84, one side of the heat exchange pipe 84, which is far away from the first horizontal pipe 82, is communicated with a second horizontal pipe 85, the inner cavity of the water inlet pipe 81 is fixedly provided with an electromagnetic valve 13, the number of the heat exchange pipes 84 is at least four, one end of each heat exchange pipe 84 is uniformly distributed at the bottom of the first horizontal pipe 82, the other end of each heat exchange pipe is uniformly distributed at the left side of the second horizontal pipe 85, the right side of the second horizontal pipe 85 is communicated with a hot water inlet pipe 88, the right side of the hot water inlet pipe 88 penetrates through the right side of the box, the two sides of the heat exchange tube 84 are fixedly connected with the connecting rods 83, one side of each connecting rod 83, far away from the heat exchange tube 84, is fixedly connected to the inner wall of the box body 1, through the use of the recovery mechanism 8, the recovery of flue gas waste heat generated by the coking furnace is facilitated, the heat of the flue gas waste heat is utilized to heat cold water, the energy is reasonably utilized, the top of the right side of the box body 1 is communicated with the flue gas outlet tube 7, the bottom of the right side of the box body 1 is fixedly connected with the hot water tank 9, the heat preservation layer 2 and the hot water tank 9 are both made of rock wool heat preservation materials, the heat preservation layer 2 is coated on the inner wall of the box body 1 in a spraying mode, the hot water is conveniently stored through the use of the hot water tank 9, the bottom of the right side of the hot water tank 9 is communicated with the water outlet tube, more energy can be wasted, so that the heat utilization rate in the coking process is reduced, and therefore, the waste heat of the flue gas needs to be recovered.

During the use, the flue gas is from flue gas 3 entering box 1 to blow to on the buffer board 4, make its velocity of flow reduce, open solenoid valve 13 through the peripheral hardware controller, make the cold water in the cold water tank 5 loop through inlet tube 82 and first violently pipe 82 and get into heat exchange tube 84, the flue gas contacts with heat exchange tube 84, its heat heats heat exchange tube 84, thereby heat the inside water of heat exchange tube 84, discharge by flue gas exit tube 7 after the flue gas temperature reduces, do the subsequent processing, through the work of peripheral hardware controller control water pump 86, make it discharge the inside moisture of heat exchange tube 84 through second violently pipe 85, hot water 88 and hot water exit tube 87 respectively to hot-water tank 9 in, discharge through opening outlet valve 10 with the hot water in the hot-water tank 9 through outlet pipe 11, reach the effect of retrieving the waste heat.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.

In summary, the following steps: this a waste heat recovery device for coking furnace, through heat preservation 2, buffer board 4, recovery mechanism 8, inlet tube 81, first violently pipe 82, heat exchange tube 84, the horizontal pipe 85 of second, water pump 86, hot water exit tube 87, hot water advances pipe 88, hot-water tank 9, the cooperation of outlet valve 10 and outlet pipe 11, coking furnace has been solved and more higher thermal flue gas that contains can be produced in the use, if these flue gases directly carry out the environmental protection and handle, then can waste more energy, make the heat utilization rate decline of coking in-process, therefore, need carry out the problem of retrieving to the flue gas waste heat.

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 waste heat recovery device for coking furnace, includes box (1) and recovery mechanism (8), its characterized in that: the inner wall fixedly connected with heat preservation (2) of box (1), the left top intercommunication of box (1) has the flue gas to advance tub (3), the top fixedly connected with cold water storage cistern (5) of box (1), the top intercommunication of cold water storage cistern (5) has water injection pipe (6), the left side at box (1) inner chamber top just is located the flue gas and advances right side fixedly connected with buffer board (4) of tub (3), the inner chamber of box (1) is provided with retrieves mechanism (8), the top intercommunication on box (1) right side has flue gas exit tube (7), the bottom fixedly connected with hot-water tank (9) on box (1) right side, the bottom intercommunication on hot-water tank (9) right side has outlet pipe (11), the fixed surface of outlet pipe (11) installs outlet valve (10).

2. The waste heat recovery device for the coking furnace as claimed in claim 1, wherein: the heat-insulating layer (2) and the hot water tank (9) are both made of rock wool heat-insulating materials, and the heat-insulating layer (2) is coated on the inner wall of the tank body (1) in a spraying mode.

3. The waste heat recovery device for the coking furnace as claimed in claim 1, wherein: the bottom fixedly connected with supporting leg (12) of box (1), the quantity of supporting leg (12) is four, and is located the four corners of box (1) bottom respectively, the positive surface swing joint of box (1) has sealing door.

4. The waste heat recovery device for the coking furnace as claimed in claim 1, wherein: the recycling mechanism (8) comprises a water inlet pipe (81), the top of the water inlet pipe (81) is communicated with the bottom of the cold water tank (5), the bottom of the water inlet pipe (81) penetrates through the inner cavity of the tank body (1) and is communicated with a first transverse pipe (82), the bottom of the first transverse pipe (82) is communicated with a heat exchange pipe (84), one side, away from the first transverse pipe (82), of the heat exchange pipe (84) is communicated with a second transverse pipe (85), the right side of the second transverse pipe (85) is communicated with a hot water inlet pipe (88), the right side of the hot water inlet pipe (88) penetrates through the right side of the tank body (1) and is communicated with a water pump (86), the water pump (86) is fixedly connected to the top of the hot water tank (9), the right side of the water pump (86) is communicated with a hot water outlet pipe (87), and one side, away from the water pump (86), of the hot water, the two sides of the heat exchange tube (84) are fixedly connected with connecting rods (83), and one side, far away from the heat exchange tube (84), of each connecting rod (83) is fixedly connected to the inner wall of the box body (1).

5. The waste heat recovery device for the coking furnace as claimed in claim 4, wherein: the inner chamber fixed mounting of inlet tube (81) has solenoid valve (13), the quantity of heat exchange tube (84) is four at least, and the one end evenly distributed of heat exchange tube (84) is in the bottom of first violently pipe (82), and the other end evenly distributed is in the left side that the second violently managed (85).