CN204182641U - Roaster supply lines automatic cleaning system - Google Patents
Roaster supply lines automatic cleaning system Download PDFInfo
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- CN204182641U CN204182641U CN201420576615.4U CN201420576615U CN204182641U CN 204182641 U CN204182641 U CN 204182641U CN 201420576615 U CN201420576615 U CN 201420576615U CN 204182641 U CN204182641 U CN 204182641U
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- roaster
- supply lines
- desalted water
- automatic cleaning
- cleaning system
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Abstract
The utility model relates to a kind of roaster supply lines automatic cleaning system, utilize existing roaster supply lines and set up desalted water pipeline, by controlling the opening and closing of respective valves, forming the circulation path of desalted water, realizing the automatic cleaning of roaster supply lines.The beneficial effects of the utility model are: when systematic failures stops, this roaster supply lines automatic cleaning system energy very first time starts, roaster supply lines can be made to reach good maintenance effects, and make pipeline-cleaning effect reach optimization by arranging desalted water heater; While process problem, automatic cleaning procedure greatly reduces the operation of personnel in cleaning process, reduces pipeline equipment and damages, save maintenance cost.
Description
Technical field
The utility model relates to steel rolling acid pickle regenerative system technical field, is specifically related to roaster supply lines automatic cleaning system.
Background technology
The acid pickle that cold rolling mill pickled steel strip produces, has extremely strong corrosivity.If do not processed, serious pollution will be caused to environment, simultaneously due to the discharge that hydrochloric acid is a large amount of, also result in the raising of pickling cost.Process major part now for pickle liquor adopts spray roasting technique, and roaster system is one of kernel subsystems in spray roasting technique.
In spray roasting technique, first spent acid is pumped in Venturi preconcentrator by spent acid, aditus laryngis place and same stream to high-temperature roasting gas fully mix, a part of water in acid pickle and hydrochloric acid evaporation form concentrating waste acid.There is chemical reaction by being sprayed onto in roaster with certain pressure by furnace roof acid rifle through concentrated spent acid in roaster charging pump, produces free HCl and brown iron oxide.
But due to the easy crystallization of concentrating waste acid, easily deposit wall built-up; as run into the emergency situations such as the overall shutdown of acid purification system occur time; along with medium temperature in pipeline reduces; often there is the crystalline polamer of concentrating waste acid in roaster supply lines; and once there is crystallization; this section of pipeline, by extremely difficult dredging, often causes conduit failure and needs to change.Even if operating personnel are with prestissimo this roaster supply lines emptying, still residual fraction concentrating waste acid crystal in pipeline, long-term accumulated needs finally causing line clogging to change.
Therefore be necessary to design a kind of roaster supply lines automatic cleaning system, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of roaster supply lines automatic cleaning system, guarantees in very first time detergent line.
The utility model is achieved in that
The utility model provides a kind of roaster supply lines automatic cleaning system, comprise roaster supply lines and desalted water pipeline, described roaster supply lines comprises the main line and some feed branch roads that are provided with roaster charging pump, and described desalted water pipeline comprises the main line and some desalted water branch roads that are provided with desalted water supercharging device and desalted water heater; Every bar feed branch road is provided with a concentrating waste acid inlet valve and a roaster inlet valve, and every bar feed branch road is connected with a desalted water branch road between concentrating waste acid inlet valve with roaster inlet valve, and every bar desalted water branch road is provided with a desalted water inlet valve; Roaster supply lines main line is connected with drain line, and described drain line is provided with tapping valve.
Further, described drain line is positioned at described roaster charging pump near the side of feed branch road.
Further, described drain line is positioned at the side of described roaster charging pump away from feed branch road, and described roaster charging pump comprises the sour pump and motor that impeller of pump can reverse.
Further, described desalted water heater is graphite heat exchanger, and described graphite heat exchanger is by high-temperature steam heat exchange.
Further, described desalted water heater is electric heater.
Further, described desalted water pipeline main line is also provided with a desalted water main valve.
Further, described drain line passes to melt pit.
The utility model has following beneficial effect: when each systematic failures stops, this roaster supply lines automatic cleaning system starts, automatically the operation of cleaning roaster supply lines is carried out, roaster supply lines can be made to reach good maintenance effects, and make pipeline-cleaning effect reach optimization by arranging desalted water heater.While process problem, automatic cleaning procedure greatly reduces the operation of personnel in cleaning process, reduces pipeline equipment and damages, save maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the roaster supply lines automatic cleaning system that Fig. 1 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment provides a kind of roaster supply lines automatic cleaning system, comprise roaster supply lines 1 and desalted water pipeline 2, described roaster supply lines 1 comprises the main line and some feed branch roads that are provided with roaster charging pump 10, and described desalted water pipeline 2 comprises the main line and some desalted water branch roads that are provided with desalted water supercharging device 3 and desalted water heater 4; Every bar feed branch road is provided with concentrating waste acid inlet valve 6 and a roaster inlet valve 7, every bar feed branch road is connected with a desalted water branch road between concentrating waste acid inlet valve 6 with roaster inlet valve 7, and every bar desalted water branch road is provided with a desalted water inlet valve 5; Roaster supply lines 1 main line is connected with drain line, and described drain line is provided with tapping valve 8.When roaster inlet valve 7 close, other valves all open time, every bar feed branch road and the desalted water branch road series connection be attached thereto, forms the passage branches that desalted water circulates; After all passage branches parallel connections, its entrance is connected with the main line of desalted water pipeline 2, and its outlet is connected with the main line of roaster supply lines 1, forms the circulation path of desalted water.
In the present embodiment, when the impeller of pump of described roaster charging pump 10 can not reverse, described drain line is positioned at the side of roaster charging pump 10 near feed branch road.When the sour pump that described roaster charging pump 10 can reverse for impeller of pump, described drain line is positioned at the side of described roaster charging pump 10 away from feed branch road.When taking rear a kind of structure, roaster charging pump together can be cleaned.
In the present embodiment, generally, the scene, acid regeneration station of steel rolling acid pickle regenerative system can provide high-temperature steam, and at this moment, described desalted water heater 4 is preferably graphite heat exchanger, and described graphite heat exchanger is by high-temperature steam heat exchange.When there is larger difficulty for providing steam, the modes such as electric heater can be adopted to heat desalted water.The reaction speed of passing through desalted water and the crystal heated is faster, can obtain better cleaning performance.
In the present embodiment, further, described desalted water pipeline 2 main line is also provided with a desalted water main valve 9, better can controls the circulation of desalted water in desalted water pipeline 2.
In the present embodiment, described drain line passes to melt pit.
During actual job, when running into acid purification system disastershutdown, remote auto control end immediate response, start relative program and close and open above-mentioned respective valves to form the circulation path of desalted water, and control desalted water supercharging device 3 and desalted water heater 4 pairs of desalted waters process, make desalted water can clean roaster supply lines preferably; When cleaning completes, remote auto control end closes all valves, realizes the controllability of scavenging period.Full process automatization controls, and can carry out aforesaid operations, effectively prevent the crystalline deposit of concentrating waste acid in roaster supply lines, reach the effect safeguarding roaster supply lines preferably in the very first time; Greatly reduce the operation of personnel in cleaning process simultaneously, reduce pipeline equipment and damage, save maintenance cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a roaster supply lines automatic cleaning system, comprise roaster supply lines (1) and desalted water pipeline (2), described roaster supply lines (1) comprises the main line and some feed branch roads that are provided with roaster charging pump (10), and described desalted water pipeline (2) comprises the main line and some desalted water branch roads that are provided with desalted water supercharging device (3) and desalted water heater (4); Every bar feed branch road is provided with a concentrating waste acid inlet valve (6) and a roaster inlet valve (7), every bar feed branch road is connected with a desalted water branch road between concentrating waste acid inlet valve (6) with roaster inlet valve (7), and every bar desalted water branch road is provided with a desalted water inlet valve (5); Roaster supply lines (1) main line is connected with drain line, and described drain line is provided with tapping valve (8).
2. roaster supply lines automatic cleaning system according to claim 1, is characterized in that: described drain line is positioned at the side of described roaster charging pump (10) near feed branch road.
3. roaster supply lines automatic cleaning system according to claim 1, it is characterized in that: described drain line is positioned at the side of described roaster charging pump (10) away from feed branch road, described roaster charging pump (10) comprises the sour pump and motor that impeller of pump can reverse.
4. roaster supply lines automatic cleaning system according to claim 1, is characterized in that: described desalted water heater (4) is graphite heat exchanger, and described graphite heat exchanger is by high-temperature steam heat exchange.
5. roaster supply lines automatic cleaning system according to claim 1, is characterized in that: described desalted water heater (4) is electric heater.
6. roaster supply lines automatic cleaning system according to claim 1, is characterized in that: described desalted water pipeline (2) main line is also provided with a desalted water main valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576615.4U CN204182641U (en) | 2014-10-08 | 2014-10-08 | Roaster supply lines automatic cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420576615.4U CN204182641U (en) | 2014-10-08 | 2014-10-08 | Roaster supply lines automatic cleaning system |
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| CN204182641U true CN204182641U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420576615.4U Active CN204182641U (en) | 2014-10-08 | 2014-10-08 | Roaster supply lines automatic cleaning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259156A (en) * | 2014-10-08 | 2015-01-07 | 中冶南方工程技术有限公司 | Automatic cleaning system and method of feeding pipeline of roaster |
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2014
- 2014-10-08 CN CN201420576615.4U patent/CN204182641U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259156A (en) * | 2014-10-08 | 2015-01-07 | 中冶南方工程技术有限公司 | Automatic cleaning system and method of feeding pipeline of roaster |
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| GR01 | Patent grant |