CN201217675Y - Thermal treatment control device - Google Patents
Thermal treatment control device Download PDFInfo
- Publication number
- CN201217675Y CN201217675Y CNU2008200295489U CN200820029548U CN201217675Y CN 201217675 Y CN201217675 Y CN 201217675Y CN U2008200295489 U CNU2008200295489 U CN U2008200295489U CN 200820029548 U CN200820029548 U CN 200820029548U CN 201217675 Y CN201217675 Y CN 201217675Y
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- heat treatment
- control device
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Abstract
The utility model provides a heat treatment control device which comprises a combustion furnace, a hot blast furnace and an air blower. The heat treatment control device is characterized in that the combustion furnace is connected with an inflamer through a hose, a frequency conversion motor is assembled on the inflamer, the hot blast furnace is divided into a combustion chamber and a mixing chamber, the outlet pipeline of the burner is connected with a combustion chamber, the outlet pipeline of the mixing device is connected with pretreatment equipment, a flow guiding umbrella stand is arranged in the pretreatment equipment, a smoke emptying opening is arranged at the upper end of the pretreatment equipment, an air door is arranged at the upper end of the smoke emptying opening, two ways of hoses are arranged on the air blower, wherein one way leads to the combustion chamber, and the other way leads to the hot blast furnace. The device can be suitable for the on-site overall heat treatment of the large-scale equipment, has simple operation and is economical and convenient.
Description
Technical field
The utility model relates to the thermal treatment unit of large-scale oil-refining chemical equipment.
Background technology
In order to eliminate or to reduce stress, slow down stress corrosion and H
2Dielectric corrosions such as S, prolong service life of equipment, large-scale oil-refining chemical equipment generally all requires to heat-treat, conventional both at home and abroad at present on-the-spot heat treatment technics has: the scene is built heat treatment furnace complete heat treatment method, electrical heating method, Huo Ke nozzle internal combustion method etc. by laying bricks or stones, but all there is defective in various degree in they.
1, heat treatment furnace complete heat treatment method is built at the scene by laying bricks or stones:
Advantage: be heated evenly, heating and cooling are stable, and thermal effectiveness is more satisfactory.
Shortcoming: it is great that the heat treatment furnace quantities is built at the scene by laying bricks or stones, and investment is big, long being difficult in cycle implement, and especially builds furnace project for large equipment and is difficult to realize, only carries out heat treatment in sections.
2, electrical heating method
Advantage: be heated evenly, heating and cooling are stable, the temperature precise control, and thermal effectiveness is good.
Shortcoming: be not suitable for the on-the-spot thermal treatment of main equipment, be suitable for local welding bead thermal treatment, current consumption is huge, and general electrical network is difficult to bear its huge power load when being used for main equipment.
3, Huo Ke nozzle internal combustion method
Advantage: be applicable to the on-the-spot complete heat treatment of main equipment, simple to operate, economical convenient.
Shortcoming: equipment is heated inhomogeneous, flame direct radiation portion temperature part is higher, and the local temperature far away apart from flame is low, and the temperature difference is bigger, temperature control difficulty is big, to the technical requirements height of nozzle, flame monitoring requires tight, in case flame monitoring is out of control, the equipment internals that flame directly burns are burnt easily, major injury equipment and since equipment up and down or the front and back temperature difference big, so thermal effectiveness is not ideal.
Summary of the invention
The purpose of this utility model is the shortcoming that overcomes prior art, and a kind of thermal treatment control device is provided, and this device can be applicable to the on-the-spot complete heat treatment of main equipment, and is simple to operate, and is economical convenient.
The technical scheme that realizes the utility model purpose is: a kind of thermal treatment control device, comprise roasting kiln, hotblast stove, gas blower, it is characterized in that roasting kiln is connected with burner by flexible pipe, is furnished with variable-frequency motor on the burner, hotblast stove is divided into combustion chamber and mixing section, the burner outlet pipeline is connected with the combustion chamber, the mixing chamber outlet pipeline is connected with treating hot equipment, be provided with the water conservancy diversion umbrella stand in the pending equipment, pending equipment upper end is provided with the flue gas drain, and flue gas drain upper end is provided with air door, and the two-way flexible pipe is arranged on the gas blower, one the tunnel leads to the combustion chamber, and another road leads in the hotblast stove.
This device can be applicable to the on-the-spot complete heat treatment of main equipment, simple to operate, economical convenient, avoided the direct radiation of flame to equipment, thereby eliminated in the Huo Ke nozzle internal combustion method flame instability to the influence of equipment because equipment is convective heating, equipment up and down or the front and back temperature difference can regulate by regulating the hot blast flow velocity, the temperature difference is littler than Huo Ke nozzle internal combustion method, but builds heat treatment furnace complete heat treatment method, electrical heating method by laying bricks or stones greatly than the scene.Generally speaking, this device has been drawn the advantage of Huo Ke nozzle internal combustion method, avoid or subdued its shortcoming, but also having solved the on-the-spot defective that heat treatment furnace complete heat treatment method and electrical heating method inconvenience are used for the main equipment complete heat treatment of building by laying bricks or stones, Financial cost also builds heat treatment furnace complete heat treatment method by laying bricks or stones less than the scene.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, at first disposing a small-sized malleation diesel combustion stove 1, is fuel with the solar oil, blow to hot-blast stove 11 with gas blower 10, hotblast stove 11 is divided into two chambers, and one is combustion chamber 4, and another is a mixing section 5, blower export divides the two-way air intake to enter hotblast stove 11, one the tunnel is that fixedly air quantity enters combustion chamber 4, and another road is to regulate air quantity automatically, and 4 outer walls enter mixing section 5 along the combustion chamber, both cool off outer wall of combustion chamber, controlled the mixing chamber outlet temperature again.Hot flue gas in the hot-blast stove 11 after the burning upwards flows along equipment 7 inwalls behind water conservancy diversion umbrella stand 6 by the inside of flue by pending equipment 7 bottom hand-holes (or other openings of bottom) access arrangement 7, gives equipment 7 heating, and flue gas is discharged by equipment 7 top drains 8.If device bottom heats up when slow, can flue gas emptying be set at the device bottom sewage draining exit, allow a small amount of flue gas from then on discharge, to improve bottom temp.
This device replaces igniting gas with canned liquefied gas (or acetylene gas), replace extinguish steam with canned nitrogen, solar oil burns under oxygen enrichment (being excess air) state, burner 3 is selected an electrical ignition element for use, is exempted from the high efficiency nozzle that atomizes, burner 3 autogamys are with variable-frequency motor 2, and can the oneself provide burning wind, fuel oil regulation range 40～135Kg.
This device body can not be too big, satisfy vehicle-mounted requirement, and the length and width height can not surpass the road restriction; Flame retardant coating will reach certain shockproof requirements in the hotblast stove, satisfies not broken the coming off of road transportation; Stove burns under barotropic state, and burner hearth will have peephole, the convenient furnace flame situation of observing; Burner noz(zle) configuration autoelectrinic portfire; Fuel-firing gas-firing and nitrogen line all link to each other with the external world with flexible pipe; Gas blower can be set to one with burner; At last, can add the zirconium white instrument of electrostatic precipitation system and measurement Rich Oxygen Amount as required at smoke outlet.
It is controlled stablized by thermal balance, temperature rise rate in order to ensure equipment, this device is provided with three tunnel automatic control locking systems: the first, oil fuel pump is the variable frequency adjustment volume pump, regulates the fuel oil consumption by equipment 7 temperature signals to be heated (difference of actual temperature and thermal treatment design temperature curve).When temperature gap be on the occasion of the time, fuel oil is regulated and should be reduced downwards with certain per-cent, for example reduces 20%, after half an hour still be on the occasion of, reduce 20% once more.Second, blower fan 10 outlets are divided into two-way MOD are set, two road air intakes are feedback signal with the hotblast stove exit gas temperature, equipment is when heating up below 400 ℃, and this temperature can be set to 600 ℃, more than 400 ℃ when intensification or constant temperature, cooling, this temperature can be set to 800～900 ℃ and (decide according to thermal treatment temp, being higher than the thermal treatment thermostat temperature gets final product for 150～200 ℃), increase wind supply quantity when temperature is higher than design temperature, otherwise reduce wind supply quantity.One road air intake is only with manual regulation, guaranteeing in the stove be abundant burning under the oxygen enrichment state, and can avoid producing black smoke and alleviate environmental pollution; Three, at pending equipment 7 top flue gas drains 8 temperature control MOD 9 being set, is signal with the flue-gas temperature of flue gas drain, tentatively is the control of manual ground.Equipment is when heating up below 400 ℃, this temperature can be set to 450～500 ℃, when heating up more than 400 ℃, this temperature can be set to get final product for high 50～100 ℃ than thermal treatment thermostat temperature, when constant temperature and cooling, air door 9 is closed, and the exhanst gas outlet temperature reduces the door opening degree when high, otherwise increases the door opening degree.Control herein is mainly a kind of energy-conservation means.
Claims (2)
1, a kind of thermal treatment control device, comprise roasting kiln (1), hotblast stove (11) and gas blower (10), it is characterized in that roasting kiln (1) is connected with burner (3) by flexible pipe, hotblast stove (11) is divided into combustion chamber (4) and mixing section (5), burner (3) outlet conduit is connected with combustion chamber (4), mixing section (5) outlet conduit is connected with pending equipment (7), be provided with water conservancy diversion umbrella stand (6) in the pending equipment (7), pending equipment (7) upper end is provided with flue gas drain (8), flue gas drain (8) upper end is provided with air door (9), gas blower has the two-way flexible pipe on (10), and one the tunnel leads to combustion chamber (4), and another road leads in the hotblast stove (11).
2, a kind of thermal treatment control device as claimed in claim 1 is characterized in that being furnished with variable-frequency motor (2) on the burner (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200295489U CN201217675Y (en) | 2008-07-04 | 2008-07-04 | Thermal treatment control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200295489U CN201217675Y (en) | 2008-07-04 | 2008-07-04 | Thermal treatment control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201217675Y true CN201217675Y (en) | 2009-04-08 |
Family
ID=40540509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200295489U Expired - Fee Related CN201217675Y (en) | 2008-07-04 | 2008-07-04 | Thermal treatment control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201217675Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375974A (en) * | 2013-04-18 | 2013-10-30 | 安徽省昊晟能源科技有限公司 | Novel hot air drying system for preparing power |
| CN103383143A (en) * | 2013-04-18 | 2013-11-06 | 安徽省昊晟能源科技有限公司 | Novel efficient air heater |
| CN109880980A (en) * | 2019-01-20 | 2019-06-14 | 南京长江工业炉科技集团有限公司 | A kind of direct burner |
-
2008
- 2008-07-04 CN CNU2008200295489U patent/CN201217675Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375974A (en) * | 2013-04-18 | 2013-10-30 | 安徽省昊晟能源科技有限公司 | Novel hot air drying system for preparing power |
| CN103383143A (en) * | 2013-04-18 | 2013-11-06 | 安徽省昊晟能源科技有限公司 | Novel efficient air heater |
| CN109880980A (en) * | 2019-01-20 | 2019-06-14 | 南京长江工业炉科技集团有限公司 | A kind of direct burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20110704 |