CN113028870A

CN113028870A - Heat recovery equipment for petrochemical industry

Info

Publication number: CN113028870A
Application number: CN202110234327.5A
Authority: CN
Inventors: 高业萍
Original assignee: Dongying Vocational College
Current assignee: Dongying Vocational College
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-25

Abstract

The invention discloses heat recovery equipment for petrochemical industry, which comprises a heat recovery unit, a smoke exhaust pipe and a filter box, wherein one end of the smoke exhaust pipe is hermetically communicated with a smoke exhaust port of the chemical equipment, the other end of the smoke exhaust pipe is hermetically communicated with the filter box, a heat insulation pipe is connected between the heat recovery unit and the smoke exhaust pipe, a heat conduction rod is arranged in the heat insulation pipe, one end of the heat conduction rod is connected to the inside of the smoke exhaust pipe, and the other end of the heat conduction rod is connected with an assembly in the heat recovery unit. The main multiunit conducting rod heat conduction of this heat recovery device is transmitted to the heat recovery unit through the mode of heat transfer and is reached heat recovery's effect, can effectively reach resource recovery's purpose, resource waste has been avoided, to exhaust flue gas, through the mode that the filter combines the water filtration, impurity particle and peculiar smell molecule in can the effective filtration flue gas, purify through the purifying box at last, make exhaust air purer, the air pollution's of having avoided appearing the condition.

Description

Heat recovery equipment for petrochemical industry

Technical Field

The invention relates to the technical field of petrochemical equipment, in particular to heat recovery equipment for petrochemical industry.

Background

Heat recovery is to recover waste heat (cold) or waste heat (cold) inside and outside a building and to use the recovered heat (cold) as a heat source for heating (cooling) or other heating equipment. For the petrochemical industry, petroleum is refined to obtain pure crude oil, and the refining process is mainly divided into distillation, cracking, reforming and isomerization.

Because petroleum refines the in-process, can produce a large amount of heat, the heat can cause the loss along with the emission of flue gas, does not have specific flue gas heat reclamation device in the market at present, and the thermal loss inevitably causes the wasting of resources. Meanwhile, the smoke gas also has certain influence on the environment. For this reason, a corresponding technical scheme needs to be designed for solution.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides heat recovery equipment for petrochemical industry, which solves the problem of resource waste caused by heat loss in the petroleum refining process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a heat recovery device for petrochemical engineering comprises a heat recovery unit, a smoke exhaust pipe and a filter box, wherein one end of the smoke exhaust pipe is communicated with a smoke exhaust port of the chemical engineering device in a sealing manner, the other end of the smoke exhaust pipe is communicated with the filter box in a sealing manner, a heat insulation pipe is connected between the heat recovery unit and the smoke exhaust pipe, a heat conduction rod is arranged in the heat insulation pipe, one end of the heat conduction rod is connected into the smoke exhaust pipe, and the other end of the heat conduction rod is connected with an assembly in the heat recovery unit; the improved water tank is characterized in that a water filling port and a purifying box are arranged at the top of the filtering box, a filter screen is arranged on the purifying box, a water outlet is formed in the bottom of the filtering box, a first filtering groove and a second filtering groove are formed in the filtering box, a first filtering cover and a second filtering cover are arranged in the first filtering groove, the first filtering cover is communicated with a smoke exhaust pipe in a sealing mode, a water tank is arranged in the second filtering groove, a sealing cover is arranged at the top of the water tank and communicated with the inside of the purifying box, a U-shaped pipe is arranged at the bottom of the water tank, and the water tank is communicated with the second filtering cover through the U-.

Preferably, a first heat insulation layer, heat insulation cotton and a second heat insulation layer are arranged inside the smoke exhaust pipe, and the heat insulation layer is located between the first heat insulation layer and the second heat insulation layer.

Preferably, the water outlet and the water filling port are respectively communicated with the bottom and the top of the water tank, and control valves are arranged on the water outlet and the water filling port.

Preferably, all be equipped with the filter on first filter mantle and the second filter mantle, the filter comprises activated carbon net and filter core piece, the centre gripping of filter core piece is on activated carbon net.

Preferably, the heat preservation pipe is longitudinally distributed between the smoke exhaust pipe and the heat recovery unit, the heat conduction rods are copper rods, and the heat conduction rods are uniformly distributed inside the heat preservation pipe.

(III) advantageous effects

The main multiunit heat conduction pole heat conduction of this heat reclamation device and the mode through the heat transfer transmit to the heat reclamation unit and reach heat reclamation's effect, in the heat transmission process simultaneously, it is thermal-insulated to have, the insulating tube of heat preservation effect, can furthest's the thermal problem of loss in the reduction heat transfer process, therefore, can effectively reach resource recovery's purpose, the wasting of resources has been avoided, to exhaust flue gas, be equipped with the rose box on this device, through the filterable mode of filter combination water, can effectively filter impurity particle and peculiar smell molecule in the flue gas, purify through the purifying box at last, make exhaust air purer, the condition of air pollution has been avoided appearing.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the insulating tube according to the present invention;

FIG. 3 is a schematic view of a thermal insulation pipe structure according to the present invention;

FIG. 4 is a schematic view of the internal structure of the filtration tank of the present invention;

FIG. 5 is a schematic view of the filter plate structure of the present invention.

In the figure, a heat recovery unit-1, a smoke exhaust pipe-2, a filter box-3, a heat preservation pipe-4, a heat conduction rod-5, a first heat insulation layer-6, heat preservation cotton-7, a second heat insulation layer-8, a first filter tank-9, a second filter tank-10, a first filter cover-11, a second filter cover-12, a filter plate-13, a water outlet-14, a water inlet-15, a purification box-16, a seal cover-17, a filter screen-18, a water tank-19, an activated carbon net-20, a filter chip-21 and a U-shaped pipe-22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a heat recovery device for petrochemical industry comprises a heat recovery unit 1, a smoke exhaust pipe 2 and a filter box 3, wherein one end of the smoke exhaust pipe 2 is communicated with a smoke exhaust port of chemical equipment in a sealing manner, the other end of the smoke exhaust pipe is communicated with the filter box 3 in a sealing manner, a heat insulation pipe 4 is connected between the heat recovery unit 1 and the smoke exhaust pipe 2, a heat conduction rod 5 is arranged inside the heat insulation pipe 4, one end of the heat conduction rod 5 is connected inside the smoke exhaust pipe 2, and the other end of the heat conduction rod is connected with components inside the heat recovery unit 1; 3 tops of rose box are equipped with water filling port 15 and purifying box 16, be equipped with filter screen 18 on the purifying

box

16, 3 bottoms of rose box are equipped with

outlet

14, 3 inside first filter-tank 9 and the second filter-tank 10 of being equipped with of rose box, be equipped with first filter mantle 11 and second filter mantle 12 in the first filter-tank 9, first filter mantle 11 and the sealed intercommunication of tub 2 of discharging fume, the inside water tank 19 that is equipped with of second filter-

tank

10, 19 tops of water tank are equipped with sealed cowling 17, sealed cowling 17 and the inside intercommunication of purifying

box

16, 19 bottoms of water tank are equipped with U type pipe 22, water tank 19 is through U type pipe 22 and second filter mantle 12 intercommunication.

The smoke exhaust pipe 2 is characterized in that a first heat insulation layer 6, heat insulation cotton 7 and a second heat insulation layer 8 are arranged inside the pipe body, and the heat insulation layer 7 is located between the first heat insulation layer 6 and the second heat insulation layer 8. The heat insulating layer avoids the heat transfer condition and the problem of heat radiation, and when the heat insulating layer is damaged or cracks appear, the heat insulating cotton can play a heat insulating effect, thereby avoiding the heat loss problem.

The water outlet 14 and the water filling port 15 are respectively communicated with the bottom and the top of the water tank 19, and control valves are respectively arranged on the water outlet 14 and the water filling port 15. The water filling port and the water outlet can realize the replacement of water in the water tank, and the control valve realizes the circulation control of water flow.

All be equipped with filter 13 on first filter mantle 11 and the second filter mantle 12, filter 13 comprises activated carbon net 20 and filter chip 21, filter chip 21 centre gripping is on activated carbon net 20. The activated carbon net can adsorb peculiar smell molecules in the smoke, and the filter chip can filter impurity particles in the smoke.

The heat preservation pipe 4 is longitudinally distributed between the smoke exhaust pipe 2 and the heat recovery unit 1, the heat conducting rods 5 are copper rods, and the heat conducting rods 5 are uniformly distributed inside the heat preservation pipe 4. A plurality of insulating tubes can absorb more heats simultaneously, have ensured heat recovery's efficiency, and the copper body of rod has good heat conductivity.

The working principle is as follows: the flue gas generated in the petroleum refining process can be discharged through the smoke discharge pipe 2, when the flue gas contacts the heat conducting rod 5, the heat can be transmitted through the heat conducting rod 5, the heat can be protected through the heat preservation pipe 4 in the heat transmission process, the problem of heat loss is avoided, the heat is transmitted into the heat recovery unit 1, components in the unit can be used for other equipment through the form of converting heat energy into other energy, thereby achieving the effect of heat energy recovery, the discharged flue gas can enter the filter tank 3 and is filtered by the filter plates 13 on the first filter mantle 11 and the second filter mantle 12, the filtered flue gas can be transmitted into the U-shaped pipe 22, the impurities contained in the gas are filtered again by a water washing mode, finally the flue gas is transmitted into a purifying box 16, the flue gas is purified by UV and gas purification equipment and finally discharged to the outside through a filter screen 18.

The heat recovery unit 1, the smoke exhaust pipe 2, the filter box 3, the heat preservation pipe 4, the heat conduction rod 5, the first heat insulation layer 6, the heat preservation cotton 7, the second heat insulation layer 8, the first filter tank 9, the second filter tank 10, the first filter cover 11, the second filter cover 12, the filter plate 13, the water outlet 14, the water inlet 15, the purification box 16, the seal cover 17, the filter screen 18, the water tank 19, the activated carbon net 20, the filter chip 21, the U-shaped pipe 22 and the components are all universal standard components or components known by technicians in the field, the structure and the principle of the heat recovery unit are known by the technicians in the field through technical manuals or conventional experimental methods, the problem solved by the invention is the problem that resources are wasted due to heat loss in the process of refining petroleum, the heat recovery device mainly comprises a plurality of groups of heat conduction rods and transmits the heat conduction rods to the heat recovery unit in a heat transfer mode to achieve the effect of heat recovery, in the heat transmission process simultaneously, have thermal-insulated, the insulating tube of heat preservation effect, can furthest's reduction heat transfer in-process thermal loss's problem, consequently, can effectively reach resource recovery's purpose, the wasting of resources has been avoided, to exhaust flue gas, be equipped with the rose box on this device, through the mode that the filter combines the water filtration, can effectively filter impurity particle and peculiar smell molecule in the flue gas, purify through the purifying box at last, make exhaust air purer, the condition of air pollution has been avoided appearing.

The type of the heat recovery unit related in the invention is XBKY, and the type of the purification box is ytj-20000.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A heat recovery apparatus for petrochemical, characterized in that: the smoke exhaust device comprises a heat recovery unit (1), a smoke exhaust pipe (2) and a filter box (3), wherein one end of the smoke exhaust pipe (2) is communicated with a smoke exhaust port of chemical equipment in a sealing mode, the other end of the smoke exhaust pipe is communicated with the filter box (3) in a sealing mode, a heat insulation pipe (4) is connected between the heat recovery unit (1) and the smoke exhaust pipe (2), a heat conduction rod (5) is arranged inside the heat insulation pipe (4), one end of the heat conduction rod (5) is connected inside the smoke exhaust pipe (2), and the other end of the heat conduction rod is connected with an assembly inside the heat recovery unit (;

the improved smoke exhaust purification device is characterized in that a water filling port (15) and a purification box (16) are arranged at the top of the filtration box (3), a filter screen (18) is arranged on the purification box (16), a water outlet (14) is arranged at the bottom of the filtration box (3), a first filtration tank (9) and a second filtration tank (10) are arranged inside the filtration box (3), a first filtration cover (11) and a second filtration cover (12) are arranged in the first filtration tank (9), the first filtration cover (11) is communicated with a smoke exhaust pipe (2) in a sealing mode, a water tank (19) is arranged inside the second filtration tank (10), a sealing cover (17) is arranged at the top of the water tank (19), the sealing cover (17) is communicated with the purification box (16) in an internal mode, a U-shaped pipe (22) is arranged at the bottom of the water tank (19), and the water tank (19) is communicated with the second filtration cover (12).

2. A heat recovery apparatus for petrochemical industry according to claim 1, wherein: the smoke exhaust pipe is characterized in that a first heat insulation layer (6), heat insulation cotton (7) and a second heat insulation layer (8) are arranged inside a pipe body of the smoke exhaust pipe (2), and the heat insulation layer (7) is located between the first heat insulation layer (6) and the second heat insulation layer (8).

3. A heat recovery apparatus for petrochemical industry according to claim 1, wherein: the water outlet (14) and the water filling port (15) are respectively communicated with the bottom and the top of the water tank (19), and control valves are respectively arranged on the water outlet (14) and the water filling port (15).

4. A heat recovery apparatus for petrochemical industry according to claim 1, wherein: all be equipped with filter (13) on first filter mantle (11) and the second filter mantle (12), filter (13) comprise activated carbon net (20) and filter core piece (21), filter core piece (21) centre gripping is on activated carbon net (20).

5. A heat recovery apparatus for petrochemical industry according to claim 1, wherein: the heat preservation pipe (4) is longitudinally distributed between the smoke exhaust pipe (2) and the heat recovery unit (1), the heat conducting rods (5) are copper rods, and the heat conducting rods (5) are uniformly distributed in the heat preservation pipe (4).