CN204550717U - There is the acid solution heating system of backwashing function - Google Patents
There is the acid solution heating system of backwashing function Download PDFInfo
- Publication number
- CN204550717U CN204550717U CN201520213472.5U CN201520213472U CN204550717U CN 204550717 U CN204550717 U CN 204550717U CN 201520213472 U CN201520213472 U CN 201520213472U CN 204550717 U CN204550717 U CN 204550717U
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- China
- Prior art keywords
- circulation tank
- graphite
- heat exchanger
- acid
- heating system
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of acid solution heating system with backwashing function, the first heat exchanger of graphite in original acid solution heating system is connected with external water source by flushing pipeline with on the intercommunication pipe between the second heat exchanger of graphite, and all valve is installed on intercommunication pipe and flushing pipeline, cyclic acid pump and the pipeline between the first circulation tank and the second circulation tank are provided with the blow-off pipe being with valve.The utility model both can not change acid cleaning process, also need not do larger rectification to original system, only needed to carry out very little investment, just can solve a difficult problem for acid solution heating system blocking completely, thus greatly saved cost of equipment maintenance, decrease fault-time, ensure that production and equipment are stablized.
Description
Technical field
The utility model relates to a kind of heating system, particularly relates to a kind of acid solution heating system.
Background technology
At present, the heating system device of steel part acid cleaning process section is subject to the impact of contained sour mud, particulate matter, all kinds of foreign matter impurity in acid solution, the graphite block of heat exchanger of graphite inside is caused easily to block, the heat of heat exchanger of graphite is caused to raise, flow reduces, easily cause graphite block to damage and interior leakage occurs, the acid solution amount simultaneously for acid tank can not meet manufacturing technique requirent.Meanwhile, sour mud, particulate matter, all kinds of foreign matter impurity etc. also easily enter the trim (mechanical seal material is silicon carbide) of cyclic acid pump mechanical seal, cause trim to scratch, cause sour pump to leak.Sour mud on the other hand in acid solution also easily causes PPH line clogging, causes only having a small amount of acid solution or entering acid tank without acid solution, causes band steel to owe pickling, affects strip surface quality.And, the Plastic valve on PPH pipeline because of sour mud too much, can cause valve opening, close not in place, in production, compulsory execution can cause valve to damage leaking, affect unit and normally produce and improve production cost.
Therefore, the direction becoming these those skilled in the art and make great efforts how is solved the problems of the technologies described above.
Utility model content
The purpose of this utility model is just to provide a kind of acid solution heating system with backwashing function, solve acid cleaning process section heating system for a long time by a difficult problem for the blockings such as sour mud, particulate contaminant, guarantee that equipment reaches the object of safe and stable operation, above-mentioned the deficiencies in the prior art part can be solved completely.
The purpose of this utility model is realized by following technical proposals:
A kind of acid solution heating system with backwashing function, comprise cyclic acid pump, first circulation tank, second circulation tank, first heat exchanger of graphite, second heat exchanger of graphite and acid tank, parallel connection at least 2 cyclic acid pumps between the outlet of the first circulation tank and the second circulation tank, first heat exchanger of graphite in parallel and the second heat exchanger of graphite between cyclic acid pump with acid tank, acid tank is connected respectively by going back to acid tube road with the import of the first circulation tank and the second circulation tank, connected by intercommunication pipe between described first heat exchanger of graphite and the outlet of the second heat exchanger of graphite, first heat exchanger of graphite, the outlet of the second heat exchanger of graphite is also by short circulation tube and the first corresponding circulation tank, the import of the second circulation tank connects, described intercommunication pipe is connected with external water source by flushing pipeline, and intercommunication pipe and flushing pipeline are all provided with valve, cyclic acid pump and the pipeline between the first circulation tank and the second circulation tank are provided with the blow-off pipe being with valve.
As preferably, the valve that described intercommunication pipe and flushing pipeline are installed is pneumatic adjusting valve.
This set is conducive to automatically controlling, and saves manpower, reduces labor strength.
As preferably, described pneumatic adjusting valve and cyclic acid pump are controlled by same controlling box.
This structure is conducive to concentrating carries out operation control, and operation is simpler, convenient.
As preferably, described flushing pipeline is also provided with the manual diaphragm valve of normally open.
The setting of manual diaphragm valve, the pneumatic adjusting valve be conducive on flushing pipeline repairs or replaces when fault.
As preferably, described cyclic acid pump and the pipeline between the first circulation tank and the second circulation tank are also provided with strainer.
Compared with prior art, the beneficial effects of the utility model are: structure is simple, reasonable in design, both can not change acid cleaning process, also need not do larger rectification to original system, and only need to carry out very little investment, just can solve a difficult problem for acid solution heating system blocking completely, thus greatly saved cost of equipment maintenance, decrease fault-time, ensure that production and equipment are stablized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
As shown in Figure 1, a kind of acid solution heating system with backwashing function, comprise cyclic acid pump 1, first circulation tank 2, second circulation tank 3, first heat exchanger of graphite 4, second heat exchanger of graphite 5 and acid tank 6, the outlet of the first circulation tank 2 and the second circulation tank 3 is connected with 3 cyclic acid pumps 1 in parallel by pipeline, first heat exchanger of graphite 4 and the second heat exchanger of graphite 5 in parallel on pipeline between cyclic acid pump 1 with acid tank 6, acid tank 6 is connected respectively by going back to acid tube road 7 with the import of the first circulation tank 2 and the second circulation tank 3, connected by intercommunication pipe 8 between described first heat exchanger of graphite 4 and the outlet of the second heat exchanger of graphite 5, first heat exchanger of graphite 4, the outlet of the second heat exchanger of graphite 5 is also by short circulation tube 9 and the first corresponding circulation tank 2, the import of the second circulation tank 3 connects, described intercommunication pipe 8 is connected with external water source by flushing pipeline 10, and intercommunication pipe 8 and flushing pipeline 10 are all provided with pneumatic adjusting valve, cyclic acid pump 1 and the pipeline between the first circulation tank 2 and the second circulation tank 3 are provided with the blow-off pipe 11 being with valve.
Described external water source is service water 12, and the pneumatic adjusting valve on flushing pipeline 10 is pneumatic diaphragm valve 13, and the pneumatic adjusting valve on intercommunication pipe 8 is Pneumatic butterfly valve 14.
Conveniently control, described pneumatic diaphragm valve 13, Pneumatic butterfly valve 14 and cyclic acid pump 1 are controlled by same controlling box.
Change to be convenient to after pneumatic diaphragm valve 13 damage, keep in repair, described flushing pipeline 10 is also provided with the manual diaphragm valve 15 of normally open.
Described cyclic acid pump 1 and the pipeline between the first circulation tank 2 and the second circulation tank 3 are also provided with strainer 16.
When carrying out flushing work, Pneumatic butterfly valve 14 and pneumatic diaphragm valve 13 is opened successively in controlling box, service water 12 enters first, second heat exchanger of graphite 4,5 and cyclic acid pump 1 by flushing pipeline 10, intercommunication pipe 8, from top to bottom the sour mud in heat exchanger of graphite, cyclic acid pump and each pipeline, particulate matter and all kinds of foreign matter impurity are rinsed, finally discharge from blow-off pipe 11.The water that blow-off pipe 11 is discharged is detected, until the water of discharging is clean water.When needing repairing at pneumatic diaphragm valve 13, change, the manual diaphragm valve 15 of closing on flushing pipeline 10 is only needed to operate.
This purging method operation of the present utility model is very simple, saves manpower, considerably reduces the labour intensity of workman.And, developing result is outstanding, can remove the sour mud in process section heating system device, particulate matter, all kinds of foreign matter impurity completely, make equipment performance in shape, guarantee that equipment reaches the object of safe and stable operation, be specially adapted to carbon steel and acid-washing stainless steel production unit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. one kind has the acid solution heating system of backwashing function, comprise cyclic acid pump, first circulation tank, second circulation tank, first heat exchanger of graphite, second heat exchanger of graphite and acid tank, parallel connection at least 2 cyclic acid pumps between the outlet of the first circulation tank and the second circulation tank, first heat exchanger of graphite in parallel and the second heat exchanger of graphite between cyclic acid pump with acid tank, acid tank is connected respectively by going back to acid tube road with the import of the first circulation tank and the second circulation tank, connected by intercommunication pipe between described first heat exchanger of graphite and the outlet of the second heat exchanger of graphite, first heat exchanger of graphite, the outlet of the second heat exchanger of graphite is also by short circulation tube and the first corresponding circulation tank, the import of the second circulation tank connects, it is characterized in that: described intercommunication pipe is connected with external water source by flushing pipeline, and intercommunication pipe and flushing pipeline are all provided with valve, cyclic acid pump and the pipeline between the first circulation tank and the second circulation tank are provided with the blow-off pipe being with valve.
2. the acid solution heating system with backwashing function according to claim 1, is characterized in that: the valve that described intercommunication pipe and flushing pipeline are installed is pneumatic adjusting valve.
3. the acid solution heating system with backwashing function according to claim 2, is characterized in that: described pneumatic adjusting valve and cyclic acid pump are controlled by same controlling box.
4. the acid solution heating system with backwashing function according to claim 1, is characterized in that: the manual diaphragm valve described flushing pipeline being also provided with normally open.
5. the acid solution heating system with backwashing function according to claim 1, is characterized in that: described cyclic acid pump and the pipeline between the first circulation tank and the second circulation tank are also provided with strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520213472.5U CN204550717U (en) | 2015-04-10 | 2015-04-10 | There is the acid solution heating system of backwashing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520213472.5U CN204550717U (en) | 2015-04-10 | 2015-04-10 | There is the acid solution heating system of backwashing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204550717U true CN204550717U (en) | 2015-08-12 |
Family
ID=53825853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520213472.5U Expired - Fee Related CN204550717U (en) | 2015-04-10 | 2015-04-10 | There is the acid solution heating system of backwashing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204550717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188044A (en) * | 2020-02-17 | 2020-05-22 | 本钢板材股份有限公司 | Method for prolonging service life of graphite heat exchanger of cold rolling pickling line |
-
2015
- 2015-04-10 CN CN201520213472.5U patent/CN204550717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188044A (en) * | 2020-02-17 | 2020-05-22 | 本钢板材股份有限公司 | Method for prolonging service life of graphite heat exchanger of cold rolling pickling line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20200410 |