CN215856346U - Circulating filtration heating system for pickling production line - Google Patents
Circulating filtration heating system for pickling production line Download PDFInfo
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- CN215856346U CN215856346U CN202121511000.XU CN202121511000U CN215856346U CN 215856346 U CN215856346 U CN 215856346U CN 202121511000 U CN202121511000 U CN 202121511000U CN 215856346 U CN215856346 U CN 215856346U
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Abstract
The utility model provides a circulation filtration heating system for pickling production line, including the acid tank that the pickling work piece was used, the acid tank is connected with the circulating pump through the pipeline, the circulating pump provides circulation power for whole circulation system, the circulating pump passes through the pipe connection with the filter, impurity in the acidizing fluid can be filtered to the filter, the acidizing fluid flows into the heat exchanger after flowing out from the filter, realize the heating to the acidizing fluid in the heat exchanger, the acidizing fluid after the heating flows back in the acid tank, through this circulation filtration heating system, the acidizing fluid temperature in the acid tank risees, impurity in the acidizing fluid reduces. The acid liquor heating device further reduces the consumption and the use cost of acid liquor, obviously improves the heating effect of the acid liquor, further ensures the pickling quality through the filtering treatment of the acid liquor, ensures that the whole acid liquor is in a uniform and active state through the circulation of the acid liquor, and improves the effect of pickling workpieces.
Description
Technical Field
The utility model belongs to the field of pickling production, and particularly relates to a circulating filtration heating system for a pickling production line.
Background
During the production and manufacturing process of workpieces, oxide skins or rusty substances can be generated on the outer surfaces of the workpieces, an acid pickling process is generally adopted for cleaning the surfaces of the workpieces, acid liquor generally needs to be heated to improve the acid pickling effect during the acid pickling process of the workpieces, the heating mode of the acid liquor generally adopts two heating modes of steam direct heating and coil heating, although the steam direct heating mode has a good heating effect, a large amount of water vapor can dilute the concentration of the acid liquor during the heating process, the use cost of the acid liquor is increased, and the acid pickling effect of the workpieces is affected, while the coil heating mode has a slow heating effect and high manufacturing cost, impurities in the acid liquor can be crystallized on the coil for a long time, the heating effect is further affected, and impurities in the acid liquor of the workpieces can be gradually increased during the acid pickling process, so that the acid pickling effect of the workpieces can be affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a circulating filtration heating system for an acid pickling production line, and aims to solve the technical problems that the use cost of acid liquor is increased due to direct heating of steam, the heating effect of a coil is slow, the manufacturing cost is high, and impurities in the acid liquor influence the acid pickling effect of a workpiece.
In order to achieve the purpose, the specific technical scheme of the circulating filtration heating system for the pickling line is as follows:
the utility model provides a circulation filtration heating system for pickling production line, a serial communication port, including the acid tank that the pickling work piece was used, the acid tank is connected with the circulating pump through the pipeline, the circulating pump provides circulation power for whole circulation system, the circulating pump passes through the pipe connection with the filter, the impurity in the acidizing fluid can be filtered to the filter, the acidizing fluid flows in the heat exchanger after flowing out from the filter, realize the heating to the acidizing fluid in the heat exchanger, acidizing fluid after the heating flows back in the acid tank, through this circulation filtration heating system, the acidizing fluid temperature in the acid tank rises, the impurity in the acidizing fluid reduces, thereby improve the effect of pickling work piece, the acid tank includes inner groove and outer cell body, the inner groove adopts acidproof anticorrosive material, the outer cell body is the frame construction who plays the protection supporting role to the inner groove.
Furthermore, an acid liquor outlet is formed in the lower portion of one end of the acid tank, an acid liquor inlet is formed in the upper portion of the other end of the acid tank, the acid liquor outlet is connected with the circulating pump through a pipeline, the acid liquor flows into the acid tank from the acid liquor inlet after passing through the circulating pump and being filtered and heated, the acid liquor flows out from the lower portion of the acid tank and can take away impurities accumulated at the bottom of the acid tank, and the impurities carried by the acid liquor are filtered out of the acid liquor when passing through the filter, so that the impurities in the acid liquor are reduced, the purity of the acid liquor is improved, and the effect of pickling workpieces is improved.
Further, the filter is big flux tube filter, and the cartridge filter in the filter is detachable, can dismantle the cartridge filter and wash and change, the heat exchanger is the graphite material, and inner structure adopts honeycomb duct and heat pipe cross distribution's heat transfer structure, can realize the abundant heat exchange of vapor and acidizing fluid like this, improves heat exchange efficiency.
The utility model also provides a temperature monitoring device which can dynamically monitor the temperature of the acid liquor to ensure that the temperature of the acid liquor conforms to the temperature range of the pickling process of the workpiece.
The circulating filtration heating system for the pickling line has the following advantages: the circulating pump provides power for acid liquor circulating filtration heating, the acid liquor is wholly in a uniform and active state due to circulation of the acid liquor, impurities in the acid liquor are further reduced through filtration treatment of the acid liquor, the pickling quality is guaranteed, the heating efficiency of the acid liquor is remarkably improved on the premise that the use cost of the acid liquor is further controlled through the heat exchanger, and the pickling effect of a workpiece is better and the cost is lower.
Drawings
FIG. 1 is a schematic diagram of a circulating filtration heating system for a pickling line according to the present invention;
the notation in the figure is: 1. an acid tank; 2. a circulation pump; 3. a filter; 4. an exchanger; 31. a filter cartridge; 41. a water vapor inlet; 42. and a water vapor outlet.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a circulating filtration heating system for pickling line of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the circulating filtration heating system for the pickling production line comprises an acid tank (1) for pickling workpieces, wherein the acid tank (1) is connected with a circulating pump (2) through a pipeline, the circulating pump (2) provides circulating power for the whole circulating system, the circulating pump (2) is connected with a filter (3) through a pipeline, the filter (3) can filter impurities in acid liquor, the acid liquor flows into a heat exchanger (4) after flowing out of the filter (3), heating of the acid liquor is achieved in the heat exchanger (4), the heated acid liquor flows back into the acid tank (1), and through the circulating filtration heating system, the temperature of the acid liquor in the acid tank (1) is increased, the impurities in the acid liquor are reduced, and therefore the effect of pickling workpieces is improved.
In the system, the acid tank (1) comprises an inner tank body and an outer tank body, the inner tank body is made of acid-proof and corrosion-proof materials, the material of the inner tank body is preferably PPH material in the embodiment, the PPH plate is light, good in toughness and good in chemical resistance, the outer tank body is a frame structure which plays a role in protecting and supporting the inner tank body, the outer tank body is preferably a steel reinforced frame structure which is made of epoxy or PPH, the lower part of one end of the acid tank (1) is provided with an acid liquor outlet, the upper part of the other end of the acid tank (1) is provided with an acid liquor inlet, the acid liquor outlet is connected with a circulating pump (2) through a pipeline, the acid liquor flows into the acid tank (1) from the acid liquor inlet after being filtered and heated through the circulating pump, the acid liquor flows out from the lower part of the acid tank (1) and can take away impurities accumulated at the bottom of the acid tank (1), the impurities carried by the acid liquor pass through a filter (3) are filtered out of the impurities in the acid liquor, so that the impurities in the acid liquor are reduced, improves the purity of the acid liquor and improves the effect of pickling the workpiece. In addition, the circulating pump (2) of the utility model is preferably a large-flow strong acid-resistant chemical pump, so that the service life of the circulating pump can be ensured, strong and powerful circulating power can be provided, and the circulating heating speed of the acid liquid in the acid tank (1) can be accelerated by the large-flow circulating pump.
According to the utility model, the filter (3) is preferably a large-flux tube filter, acid liquor enters the filter (3) through the circulating pump (2) for filtration treatment, impurities in the acid liquor are filtered out by the filter (3), the filter cylinder (31) of the filter (3) can be independently detached, cleaned and replaced, when the filter cylinder (31) contains more impurities, the detachable filter cylinder (31) is taken out, the filter cylinder (31) is cleaned to remove the impurities in the filter cylinder (31), or a new filter cylinder (31) is replaced, and then the filter cylinder (31) is installed again, so that the use and maintenance are very convenient.
Acid liquor is filtered by the filter (3), and flows to the heat exchanger (4) through a pipeline, flows in from one end of the heat exchanger and flows out from the other end, water vapor enters the heat exchanger from the water vapor inlet (41) and is discharged from the water vapor outlet (42), the flowing direction of the acid liquor is opposite to the flowing direction of the water vapor, the heat exchange of the water vapor and the acid liquor is realized in the heat exchanger (4), the temperature of the acid liquor is increased, the temperature of the water vapor is reduced, the water vapor of the heat exchanger (4) is provided by a steam heat source, the heat exchanger (4) is preferably made of graphite in the embodiment, and the internal structure adopts a heat exchange structure with a diversion pipe and a heat conduction pipe in cross distribution, so that the sufficient heat exchange of the water vapor and the acid liquor can be realized, and the heat exchange efficiency is improved. The heated acid liquid flows into the acid tank from the upper part of the acid tank (1) through a pipeline.
This system is on the basis of foretell device, still can further set up temperature-detecting device, realize dynamic monitoring to the temperature, make the temperature of acidizing fluid accord with the technology temperature range of work piece pickling, in addition, still can set up closed house around acid vat (1), because the acidizing fluid temperature is higher, can produce the acid mist among the pickling process, can cause injury and pollution to operating personnel and environment, consequently, can seal acid vat (1) in closed house, closed house top sets up the side draught fan, make and form the negative pressure in the closed house, make the acid mist that produces carry the acid mist treatment tower through the fan and handle, the gas after the processing reaches emission standard and directly discharges in the atmosphere.
The use process of the system is as follows: when a workpiece needs to be pickled, a steam heat source is enabled to start to convey steam to a heat exchanger (4), a circulating pump (2) is started to enable acid liquor to start to circulate, the acid liquor passes through the circulating pump (2) and then passes through a filter (3) to remove impurities in the acid liquor, then the acid liquor and the steam perform heat exchange in the heat exchanger (4) to increase the temperature of the acid liquor and then flow back to an acid tank (1), the acid liquor is continuously and circularly filtered and heated to gradually increase the temperature of the acid liquor in the acid tank (1), a temperature detection device is used for pickling the workpiece when the temperature reaches and is stabilized at a process temperature required by workpiece pickling, the circulating filtering and heating of the acid liquor are kept all the time in the pickling process to keep the acid liquor in a uniform and active state, after the workpiece is pickled, the steam heat source is turned off, the circulating pump (2) is turned off, and if a filter cylinder (31) in the filter (3) needs to be cleaned or replaced, the circulating pump (2) can be cleaned or replaced after being closed, and the filter (3) can be directly used in next pickling.
All pipelines, valve components, bolts, nuts and other parts in the system are made of strong acid resistant materials, the bottoms of the acid tank (1) and the bottoms of all devices are provided with anticorrosive coatings, damage and pollution to the devices and the land caused by acid liquor overflow are prevented, and the anticorrosive coatings are made of glass fiber reinforced plastics.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A circulating filtration heating system for an acid cleaning production line is characterized by comprising an acid tank (1) for cleaning a workpiece, wherein the acid tank (1) is connected with a circulating pump (2) through a pipeline, the circulating pump (2) provides circulating power for the whole circulating system, the circulating pump (2) is connected with a filter (3) through a pipeline, a detachable filter cylinder (31) is arranged in the filter (3), the filter (3) can filter impurities in acid liquor, the acid liquor flows into a heat exchanger (4) after flowing out of the filter (3), heating of the acid liquor is realized in the heat exchanger (4), the heated acid liquor flows back into the acid tank (1), the temperature of the acid liquor in the acid tank (1) is increased through the circulating filtration heating system, the impurities in the acid liquor are reduced, so that the effect of cleaning the workpiece is improved, the acid tank (1) comprises an inner tank and an outer tank body, the inner tank is made of an acid-resistant and corrosion-resistant material, the outer groove body is a frame structure which plays a role in protecting and supporting the inner groove.
2. A circulating filtering and heating system for an acid pickling production line as claimed in claim 1, wherein an acid liquor outlet is arranged at the lower part of one end of the acid tank (1), an acid liquor inlet is arranged at the upper part of the other end of the acid tank (1), the acid liquor outlet is connected with the circulating pump (2) through a pipeline, the acid liquor flows into the acid tank (1) from the acid liquor inlet after passing through the circulating pump and being filtered and heated, impurities accumulated at the bottom of the acid tank (1) can be taken away by the acid liquor flowing out from the lower part of the acid tank (1), and the impurities in the acid liquor are filtered when the acid liquor carries the impurities to pass through the filter (3), so that the impurities in the acid liquor are reduced, the purity of the acid liquor is improved, and the acid pickling workpiece effect is improved.
3. A circulating filtering and heating system for pickling lines according to claim 1 characterized in that the filter (3) is a large flux tube filter.
4. A circulating filtration heating system for pickling line according to claim 1, characterized in that the circulating pump (2) is a high flow strong acid resistant chemical pump.
5. The circulating filtration heating system for the pickling line according to claim 1, wherein the heat exchanger (4) is made of graphite, and the internal structure adopts a heat exchange structure with a flow guide pipe and a heat conduction pipe which are distributed in a crossed manner.
6. The circulating filtration heating system for the pickling line as recited in claim 1, further comprising a temperature monitoring device for dynamically detecting the temperature of the acid solution.
7. The circulating filtration heating system for the pickling line of any one of claims 1 to 6, wherein all the pipelines, valve components, bolts, nuts and the like in the system are made of strong acid resistant materials.
8. A circulating filtration heating system for pickling line according to any one of claims 1-6, characterized in that the bottom of the acid tank (1) and the bottom of each equipment are provided with an anticorrosive coating.
9. The circulating filtration heating system for the pickling line as recited in claim 8, wherein the corrosion resistant layer is made of glass fiber reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121511000.XU CN215856346U (en) | 2021-07-05 | 2021-07-05 | Circulating filtration heating system for pickling production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121511000.XU CN215856346U (en) | 2021-07-05 | 2021-07-05 | Circulating filtration heating system for pickling production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215856346U true CN215856346U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121511000.XU Active CN215856346U (en) | 2021-07-05 | 2021-07-05 | Circulating filtration heating system for pickling production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215856346U (en) |
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2021
- 2021-07-05 CN CN202121511000.XU patent/CN215856346U/en active Active
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