CN209042412U - A kind of device preventing dangerous waste incineration waste heat boiler coking - Google Patents
A kind of device preventing dangerous waste incineration waste heat boiler coking Download PDFInfo
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- CN209042412U CN209042412U CN201821584462.2U CN201821584462U CN209042412U CN 209042412 U CN209042412 U CN 209042412U CN 201821584462 U CN201821584462 U CN 201821584462U CN 209042412 U CN209042412 U CN 209042412U
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- heat boiler
- waste heat
- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
This application discloses a kind of devices for preventing dangerous waste incineration waste heat boiler coking, it is arranged between incinerator and waste heat boiler, including the device noumenon with inner cavity, one end of the inner cavity is configured to allow for the first entrance of the flue gas entrance of incinerator generation, the other end is configured to allow for the outlet that the flue gas is discharged, the outlet is connected to the waste heat boiler in the incinerator downstream, described device ontology is additionally provided with the second entrance for cold air entrance, so that the cold air is mixed with the flue gas, and the second entrance is arranged between the first entrance and the outlet.It is arranged such, solves the waste heat boiler that the high-temperature flue gas generated in existing dangerous waste incinerator is directly entered downstream, the inorganic matter of melting, which encounters cold heat-transfer surface, can solidify coking, cause the decline of waste heat boiler efficiency, system jams, upstream device overtemperature, the problem that runing time is short, effect is poor.
Description
Technical field
The utility model relates to hazardous waste processing technology fields, prevent hazardous waste from burning more specifically to one kind
Burn the device of waste heat boiler coking.
Background technique
With the development of industry, the hazardous waste of industrial processes discharge is increasing.It is estimated that the whole world is annual
Hazardous waste yield is 3.3 hundred million tons.It is seriously polluted due to hazardous waste bring and is potentially seriously affected, be equipped with danger at present
Dangerous waste treatment equipment after handling hazardous waste, could discharge after reaching safety dumping standard.
As shown in Figure 1, hazardous waste treatment process are as follows: charging → burning → waste heat boiler → chilling → chalk dust removing → flue gas
Except several processes such as acid elution → flue gas emptyings.During the burning process, requirements of the national standard dangerous waste incineration temperature is not less than
1100 DEG C, because hazardous waste is the mixture of many kinds of substance, some inorganic constituents melting temperatures in mixture are close or low
In 1100 DEG C, some short grained inorganic matters, as 1100 DEG C of flue gases enter the waste heat boiler in downstream, are melted by after high-temperature fusion
The inorganic matter melted, which encounters cold heat-transfer surface, can solidify coking, and waste heat boiler efficiency is caused to decline, system jams, and upstream device is super
A series of problems, such as temperature, abnormal operation, cause equipment continuous operating time short, effect is poor.
Therefore, the high-temperature flue gas for how solving to generate in existing dangerous waste incinerator is directly entered the waste heat pot in downstream
Furnace, the inorganic matter of melting, which encounters cold heat-transfer surface, can solidify coking, and the decline of waste heat boiler efficiency, system jams, downstream is caused to set
Standby overtemperature, the problem that runing time is short, effect is poor, become professional and technical personnel in the field's important technological problems to be solved.
Utility model content
To be overcome the problems, such as present in the relevant technologies at least to a certain extent, this application provides one kind to prevent dangerous give up
The device of object waste gas of incineration boiler coke, be able to solve the high-temperature flue gas generated in existing dangerous waste incinerator directly into
Enter the waste heat boiler in downstream, the inorganic matter of melting, which encounters cold heat-transfer surface, can solidify coking, cause the decline of waste heat boiler efficiency, be
System blocking, upstream device overtemperature, the problem that runing time is short, effect is poor.
The utility model provides a kind of device for preventing dangerous waste incineration waste heat boiler coking, setting in incinerator and
Between waste heat boiler, including the device noumenon with inner cavity, one end of the inner cavity be configured to allow for incinerator generation flue gas into
The first entrance that enters, the other end are configured to allow for the outlet of the flue gas discharge, the waste heat of the outlet and the incinerator downstream
Boiler connection, described device ontology are additionally provided with the second entrance entered for cold air, so that the cold air is mixed with the flue gas,
And the second entrance is arranged between the first entrance and the outlet.
Preferably, described device ontology includes inner tube, the outer tube covered outside said inner tube, the end face of the outer tube with it is described
It is sealed between inner tube, and there are gap between the outer tube and said inner tube, the first entrance is arranged in said inner tube one end
Opening, described export the opening of the said inner tube other end is set, the second entrance penetrates through the outer tube can be with
The inner cavity connection.
Preferably, the side wall of the outer tube is arranged in the second entrance.
Preferably, the periphery of said inner tube, along it be circumferentially uniformly surrounded with multiple branch pipes, the branch pipe penetrates through institute
It states the outer wall of inner tube, protrude into the inside of said inner tube.
Preferably, reuse pipeline, and the second entrance are provided between the device and the flue gas emission mouth of system end
It is connected with the reuse pipeline, the reuse pipeline is provided with booster fan, and the booster fan can will be from the flue gas
After the flue gas back pressure of discharge outlet discharge, it is transported to the second entrance.
Preferably, the branch pipe is provided with 10-80.
Preferably, backflow preventing structure is provided at the second entrance, the backflow preventing structure can prevent high-temperature flue gas
Flow into low-temperature flue gas pipeline.
Preferably, the backflow preventing structure is check (non-return) valve.
Preferably, the material of the branch pipe is stainless steel.
The technical solution that embodiments herein provides can include the following benefits: providing one kind prevents dangerous give up
The device of object waste gas of incineration boiler coke is arranged between incinerator and waste heat boiler, and between incinerator and waste heat boiler
It is connected to by pipeline, the high-temperature flue gas of incinerator discharge enters in the device, while entering cold air in the second entrance of device, makes
Cold air and flue gas be sufficiently mixed, the temperature to reduce high-temperature flue gas, under normal circumstances, the temperature for the high-temperature flue gas being discharged from incinerator
About 1100 DEG C of degree, into after the device, under the action of cold air, 900 DEG C are quickly cooled to, under the conditions of 900 DEG C, flue gas
In the inorganic matter of molten state carried under one's arms solidified again because temperature is lower, lose viscosity.Thus changed without being adhered to waste heat boiler
Hot surface not will form coking material matter.So set, the waste heat boiler that high-temperature flue gas is directly entered downstream is avoided, melting
Inorganic matter, which encounters cold heat-transfer surface, can solidify coking, cause waste heat boiler efficiency to decline, solve the problems, such as system jams, ensure that
Waste heat boiler upstream device normal operation also ensures the long-term operation rate of system.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is hazardous waste burn system structural schematic diagram in the utility model embodiment；
Fig. 2 is the cross-sectional view that the device of dangerous waste incineration waste heat boiler coking is prevented in the utility model embodiment.
In figure:
1- incinerator, 2- waste heat boiler, 3- chilling tower, 4- deduster, 5- scrubbing tower, 6- air-introduced machine, 7- flue gas emission mouth,
8- second entrance, 9- inner tube, 10- outer tube, the gap 11-, 12- branch pipe, 13- reuse pipeline, 14- backflow preventing structure, the inner cavity 15-.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device or method of some aspects be described in detail in claims, the application.
Present embodiment provides a kind of device for preventing dangerous waste incineration waste heat boiler coking, avoids high temperature
Flue gas is directly entered the waste heat boiler in downstream, and the inorganic matter of melting, which encounters cold heat-transfer surface, can solidify coking, causes waste heat boiler
Efficiency decline, solves the problems, such as system jams, ensure that waste heat boiler upstream device normal operation, also ensures the long week of system
Phase operation ratio.
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Hereinafter, being illustrated referring to attached drawing to embodiment.In addition, embodiments illustrated below is not to recorded in claim
Utility model content rise any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of utility model documented by claim.
With reference to Fig. 1-2, present embodiment provides a kind of device for preventing dangerous waste incineration waste heat boiler coking,
As shown in Figure 1, leading between the device and incinerator 1 and waste heat boiler 2 at the A being arranged between incinerator 1 and waste heat boiler 2
Piping is connected, including the device noumenon with inner cavity, wherein the flue gas generated for incinerator 1 is arranged in one end of inner cavity
The first entrance of entrance, the other end are configured to allow for the outlet of flue gas discharge, and outlet is connected to the waste heat boiler 2 in 1 downstream of incinerator,
Enter inner cavity 15 from the high-temperature flue gas that incinerator 1 is discharged from first entrance, device noumenon is additionally provided with second entered for cold air
Entrance 8, second entrance 8 be arranged between first entrance and outlet, cold air from second entrance 8 enter inner cavity 15, so that cold air with
Flue gas mixing, high-temperature flue gas are discharged, from outlet into the waste heat boiler 2 in downstream with after cold air hybrid cooling, under normal circumstances, from
The temperature of the high-temperature flue gas of incinerator discharge is about 1100 °, into after the device, under the action of cold air, is quickly cooled to
900 DEG C, under the conditions of 900 DEG C, the inorganic matter for the molten state carried under one's arms in flue gas solidifies again because temperature is lower, loses viscosity.
Thus without being adhered to 2 heat-transfer surface of waste heat boiler, it not will form coking material matter, solve the problems, such as system jams, ensure that waste heat
Boiler upstream device normal operation also ensures the long-term operation rate of system.
So set, solving the waste heat that the high-temperature flue gas generated in existing dangerous waste incinerator is directly entered downstream
Boiler, the inorganic matter of melting, which encounters cold heat-transfer surface, can solidify coking, cause the decline of waste heat boiler efficiency, system jams, downstream
The problem that equipment overtemperature, runing time are short, effect is poor.
In the preferred embodiment of the present embodiment, as shown in Fig. 2, device noumenon includes inner tube 9 and outer tube 10,10 sets of outer tube exists
Outside inner tube 9, and there are gaps 11 between outer tube 10 and inner tube 9, seal between the end face and inner tube 9 of outer tube 10, first entrance is set
Set and the opening of 9 other end of inner tube be set in the opening of one end of inner tube 9, outlet, and second entrance 8 penetrate through outer tube 10 with
Inner cavity connection, specifically, second entrance 8 can be set on the side wall of outer tube 10.
Meanwhile it is equal in order to mix the cold air entered from second entrance 8 with the high-temperature flue gas of the inner cavity 15 of inner tube 9
It is even, circumferentially multiple branch pipes 12 are uniformly surrounded in the periphery of inner tube 9, along it, and branch pipe 12 penetrates through the outer wall of inner tube 9, stretches
Enter to the inside of inner tube 9, cold air enters in the gap 11 between inner tube 9 and outer tube 10 from second entrance 8, then again by each
A branch pipe 12 is entered in the inner cavity 15 of inner tube 9 and is mixed with high-temperature flue gas, and branch pipe 12 is in the periphery of inner tube 9, circumferential equal along it
It is even multiple around being arranged, enable cold air even into the inner cavity 15 of inner tube 9, is quickly mixed with high-temperature flue gas, cooling rate is fast
And uniformly.
Specifically, branch pipe 12 can be set 10-80, for example can be set to 10,50 or 80, have
Body depends on the circumstances.
In the preferred embodiment of the present embodiment, in order to save cost, refuse reclamation can be in the device and system end
It is connected between flue gas emission mouth 7 with reuse pipeline 13, in this way, second entrance 8 is connected with the reuse pipeline 13, reuse pipeline 13
Be provided with booster fan, booster fan after the flue gas back pressure that flue gas emission mouth 7 discharges, can will be transported to second entrance 8, from
Second entrance 8 enters in the device, in this way, can either solve the problems, such as to cooling high-temperature fume, and saves cost.
It should be noted that being provided with backflow preventing structure 14 at second entrance 8, backflow preventing structure 14 can prevent high temperature cigarette
Gas flows into low-temperature flue gas pipeline, and specifically, which can be check (non-return) valve, it is of course also possible to be that others can be with
The device of adverse current is prevented, specifically depending on actual conditions.
Preferably, the material of branch pipe 12 is stainless steel, stainless steel refer to the weak corrosive medium such as resistance to air, steam, water and acid,
The steel of the chemical etchings dielectric corrosion such as alkali, salt, corrosion resistance and good, heat resistance are good.It is of course also possible to be that other are conformed to
The material asked.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of device for preventing dangerous waste incineration waste heat boiler coking, setting incinerator (1) and waste heat boiler (2) it
Between, which is characterized in that including the device noumenon with inner cavity (15), one end of the inner cavity (15) is configured to allow for incinerator (1)
The first entrance of the flue gas entrance of generation, the other end are configured to allow for the outlet of the flue gas discharge, the outlet and the burning
The waste heat boiler (2) in furnace (1) downstream is connected to, and described device ontology is additionally provided with the second entrance (8) for cold air entrance, so that institute
It states cold air to mix with the flue gas, and the second entrance (8) is arranged between the first entrance and the outlet.
2. preventing the device of dangerous waste incineration waste heat boiler coking as described in claim 1, which is characterized in that described device
Ontology includes inner tube (9), covers the outer tube (10) outside in said inner tube (9), the end face and said inner tube (9) of the outer tube (10) it
Between seal, and the first entrance setting said inner tube (9) one end opening, the outlet setting in said inner tube (9)
The opening of the other end, the second entrance (8) penetrate through the outer tube (10) and can be connected to the inner cavity (15).
3. preventing the device of dangerous waste incineration waste heat boiler coking as claimed in claim 2, which is characterized in that described second
The side wall in the outer tube (10) is arranged in entrance (8).
4. preventing the device of dangerous waste incineration waste heat boiler coking as claimed in claim 2, which is characterized in that said inner tube
(9) periphery is circumferentially uniformly surrounded with multiple branch pipes (12) along it, branch pipe (12) perforation said inner tube (9)
Outer wall, the inside for protruding into said inner tube (9).
5. preventing the device of dangerous waste incineration waste heat boiler coking as described in claim 1, which is characterized in that the device with
It is provided with reuse pipeline (13) between the flue gas emission mouth (7) of system end, and the second entrance (8) and the reuse pipeline
(13) it is connected, the reuse pipeline (13) is provided with booster fan, and the booster fan can will be from the flue gas emission mouth
(7) after the flue gas back pressure discharged, the second entrance (8) are transported to.
6. preventing the device of dangerous waste incineration waste heat boiler coking as claimed in claim 4, which is characterized in that the branch pipe
(12) 10-80 are provided with.
7. preventing the device of dangerous waste incineration waste heat boiler coking as described in claim 1, which is characterized in that described second
It is provided at entrance (8) backflow preventing structure (14), the backflow preventing structure (14) can prevent high-temperature flue gas from flowing into low-temperature flue gas
Pipeline.
8. preventing the device of dangerous waste incineration waste heat boiler coking as claimed in claim 7, which is characterized in that described anti-reverse
Flow structure (14) is check (non-return) valve.
9. preventing the device of dangerous waste incineration waste heat boiler coking as claimed in claim 4, which is characterized in that the branch pipe
(12) material is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584462.2U CN209042412U (en) | 2018-09-27 | 2018-09-27 | A kind of device preventing dangerous waste incineration waste heat boiler coking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821584462.2U CN209042412U (en) | 2018-09-27 | 2018-09-27 | A kind of device preventing dangerous waste incineration waste heat boiler coking |
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| Publication Number | Publication Date |
|---|---|
| CN209042412U true CN209042412U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821584462.2U Active CN209042412U (en) | 2018-09-27 | 2018-09-27 | A kind of device preventing dangerous waste incineration waste heat boiler coking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954345A (en) * | 2018-09-27 | 2018-12-07 | 大连易舜绿色科技有限公司 | A kind of device preventing dangerous waste incineration waste heat boiler coking |
-
2018
- 2018-09-27 CN CN201821584462.2U patent/CN209042412U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954345A (en) * | 2018-09-27 | 2018-12-07 | 大连易舜绿色科技有限公司 | A kind of device preventing dangerous waste incineration waste heat boiler coking |
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