CN207770386U - A kind of pickling stone equipment - Google Patents
A kind of pickling stone equipment Download PDFInfo
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- CN207770386U CN207770386U CN201721719366.XU CN201721719366U CN207770386U CN 207770386 U CN207770386 U CN 207770386U CN 201721719366 U CN201721719366 U CN 201721719366U CN 207770386 U CN207770386 U CN 207770386U
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- nitration mixture
- axe
- graphite
- slot
- pickling
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Abstract
The utility model is related to chemical fields, disclose a kind of pickling stone equipment, including nitration mixture slot, nitration mixture preheater, graphite axe, circulating pump and diluted alkaline slot, the nitration mixture slot is connected with the circulating pump, the circulating pump is connected with the nitration mixture preheater and the graphite axe respectively, the nitration mixture preheater is connected with the graphite axe, the graphite axe is connected with the nitration mixture slot, the nitration mixture slot is connected with the diluted alkaline slot, and one end of the diluted alkaline slot is connected to by pipeline on the pipeline between the graphite axe and the nitration mixture slot.The utility model cleans stone using the nitration mixture of heating, reduces scavenging period, and nitration mixture can recycle.
Description
Technical field
The utility model is related to chemical field more particularly to a kind of pickling stone equipment.
Background technology
Acid cleaning process mainly has dip pickling method, injection acid wash and sour cream rust removal method.Generally multi-purpose dip pickling method, greatly
Gunite can be used in batch production.The pickle of acid cleaning process is generally the mixture of a variety of acid, mainly have sulfuric acid, nitric acid and
The corrosivity of hydrofluoric acid etc., these mixed acid is very strong, while having very strong oxidisability, the temperature of higher corrosive medium, this
Very high requirement is proposed to the corrosion resistance of anti-corrosion material.Pickling lines are from production to waste water and gas recovery system, Ge Gehuan
All there is very strong corrosion condition in section, therefore the quality of anti-corrosion material selection is directly related to equipment, workshop terrace, trench, gives up
The normal use of the environmentally friendly recovery system of water exhaust gas etc..
The structure of basin and pipe-line system and acid mist recovery system used in pickling project is impervious barrier+erosion resistant coating+knot
Structure strength layer.Workshop terrace, equipment and technology anticorrosion generally use resin mortar terrace structure, resin to select suitable corrosion-resistant
Epoxy vinyl ester resin preferably selects bisphenol-A epoxy vinyl when medium is non-oxidizing acid, temperature condition is not very high
Resin；When oxidizing acid, temperature condition require high, epoxy novolac vinylite is preferably selected.
Pickling is the characteristics of dissolving by acid using other mineral energies of stone surface, to realize the pickling to stone, pickling
The impurity such as iron, aluminium, calcium, the magnesium in stone surface can be removed.In the prior art, the technical process of pickling stone is slower,
And acid cannot recycle.
The utility model proposes a kind of pickling stone equipment, by being heated to nitration mixture, the flow of acid cleaning process is accelerated,
And the mixed acid solution in acid cleaning process can recycle, and save cost.
Utility model content
Technical problem to be solved by the utility model is to provide a kind of pickling stone equipment, can accelerate pickling
The technological process of stone reduces pickling time, and the mixed acid solution in acid cleaning process can recycle.
The concrete scheme of the utility model is as follows：
A kind of pickling stone equipment, including nitration mixture slot, nitration mixture preheater, graphite axe, circulating pump and diluted alkaline slot,
The nitration mixture slot is connected with the circulating pump, the circulating pump respectively with the nitration mixture preheater and the graphite
Axe be connected, the nitration mixture preheater is connected with the graphite axe, and the graphite axe is connected with the nitration mixture slot, the nitration mixture slot and
The diluted alkaline slot is connected, and one end of the diluted alkaline slot is connected to the pipeline between the graphite axe and the nitration mixture slot by pipeline
On.
Further, the nitration mixture preheater and the equal right angle setting of the graphite axe and fixation.
Preferably, the installation site of the nitration mixture slot and the diluted alkaline slot is below the installation site of the graphite axe, with
Meet the drain requirement of the graphite axe.
Further, the nitration mixture slot is equipped with nitration mixture and configures mouth.
Preferably, the top of the graphite axe is equipped with stone charge door.
Further, the bottom of the graphite axe is equipped with filtering card, nitration mixture outlet and stone discharge port.
Preferably, the nitration mixture preheater heats nitration mixture by low-pressure steam, and heating temperature is 80 DEG C~90 DEG C.
Further, the low-pressure steam is transferred to the nitration mixture preheater, institute by stainless steel pressure pipeline from boiler
The condensed water formed after low-pressure steam heats the nitration mixture is stated to be stored in condensate water pot.
Preferably, the condensed water is transported to boiler by condensate pump and reheats.
Further, the transmission pipeline of the nitration mixture is flexible anticorrosion pipeline.
Implement the utility model embodiment, has the advantages that：
(1) after the utility model heats mixed acid solution, then stone is cleaned, accelerates the technique stream of pickling stone
Journey reduces the time of pickling；
(2) the utility model enables mixed acid solution in acid cleaning process to be recycled using circulating pump, has saved money
Source and cost.
Description of the drawings
Fig. 1 is a kind of pickling stone equipment schematic diagram that the utility model embodiment provides；
Fig. 2 is a kind of pickling stone method flow diagram that the utility model embodiment provides.
Wherein, reference numeral is：1- nitration mixture slots, 11- nitration mixture configure mouth, 2- nitration mixture preheaters, 3- graphite axes, 31- stones
Charge door, 32- filter card, 33- stone discharge ports, 4- circulating pumps, 5- diluted alkaline slots, 51- alkaline solutions configuration mouth.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Obviously, described embodiment is only the embodiment of the utility model part, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of the every other embodiment that is obtained, should all belong to the range of the utility model protection.
It should be noted that term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive
Include to be not necessarily limited to clearly arrange for example, containing the process of series of steps or unit, method, system, product or equipment
Those of go out step or unit, but may include not listing clearly or solid for these processes, method, product or equipment
The other steps or unit having.
Embodiment 1
A kind of pickling stone equipment is present embodiments provided, Fig. 1, including nitration mixture slot 1, nitration mixture preheater 2, graphite are referred to
Axe 3, circulating pump 4 and diluted alkaline slot 5, the nitration mixture slot 1 are connected with the circulating pump 4, and the circulating pump 4 is pre- with the nitration mixture respectively
Hot device 2 and the graphite axe 3 are connected, and the nitration mixture preheater 2 is connected with the graphite axe 3, and the graphite axe 3 is mixed with described
Acid tank 1 is connected, and the nitration mixture slot 1 is connected with the diluted alkaline slot 5, and one end of the diluted alkaline slot 5 is connected to the stone by pipeline
On pipeline between black axe 3 and the nitration mixture slot 1.
The nitration mixture preheater 2 and 3 equal right angle setting of the graphite axe and fixation.The nitration mixture slot 1 and the diluted alkaline slot 5
Installation site be below the installation site of the graphite axe 3, to meet the drain requirement of the graphite axe 3.
Circulating pump 4 described here can be one or more
The nitration mixture slot 1 is equipped with nitration mixture and configures mouth 11, the mixed acid solution for being added in acid cleaning process, the diluted alkaline slot
5, which are equipped with alkaline solution, configures mouth 51, and alkaline solution here can be sodium carbonate liquor or other can realize the present embodiment
The alkaline solution of neutralization reaction.
The top of the graphite axe 3 is equipped with stone charge door 31, and the top of the graphite axe 3 enters equipped with multiple nitration mixture
Mouthful, it can be entered as early as possible in the graphite axe 3 so as to the nitration mixture of heating.The bottom of the graphite axe 3 be equipped with filtering card 32,
Nitration mixture exports and stone discharge port 33.After the completion of pickling, the mixed acid solution is filtered out by the filtering card 32 first
Come, then open stone discharge port 33, the stone through overpickling is unloaded out.
The nitration mixture preheater 2 heats nitration mixture by low-pressure steam, and heating temperature is 80 DEG C~90 DEG C.It is described low
Pressure steam is transferred to the nitration mixture preheater 2 by stainless steel pressure pipeline from boiler, and the low-pressure steam adds the nitration mixture
The condensed water formed after heat is stored in condensate water pot 6, and the condensed water is transported to boiler by condensate pump 7 and reheats.
Since mixed acid solution has corrosivity, the transmission pipeline of the nitration mixture in the present embodiment is flexible corrosion-resistant pipe
Road.
Embodiment 2
A kind of pickling stone method is present embodiments provided, Fig. 2 is referred to, including：
S1. the stone for needing pickling is added to from stone charge door in graphite axe.
Wherein, stone can be sent by feeder in the graphite axe, and covers head cover, ensure its leakproofness.
S2. the mixed acid solution in nitration mixture slot is transported to nitration mixture preheater by circulating pump.
Here circulating pump can be one or more, and the mixed acid solution can be transported to institute by the circulating pump
It states in nitration mixture heater and the graphite axe.
S3. the mixed acid solution in nitration mixture preheater is heated using low-pressure steam.
Wherein, the low-pressure steam is transferred to the nitration mixture preheater by stainless steel pressure pipeline from boiler, described low
The condensed water that pressure steam is formed after being heated to the nitration mixture is stored in condensate water pot, and the condensed water is conveyed by condensate pump
It is reheated to boiler.
S4. the mixed acid solution for meeting temperature requirement is added in graphite axe.
Wherein, the temperature requirement is 80~90 DEG C, and mixed acid solution liquid level should be added to higher than stone table in graphite axe
Face 500mm.
S5. after the completion of stone pickling, nitration mixture is filtered out from the bottom of graphite axe first, is delivered to nitration mixture slot, then draw off stone.
In the present embodiment, the time of a pickling stone is 2~3 hours.After the completion of pickling, by the nitration mixture in nitration mixture slot
Solution is transported to the diluted alkaline slot for having alkaline solution and carries out neutralization reaction.And the mixed solution after neutralization reaction is delivered to described
The mixed solution is transported to the graphite axe and the nitration mixture preheater, with to whole by nitration mixture slot by the circulating pump
A equipment is cleaned, and mixed solution is finally delivered to the diluted alkaline slot.
If pickling stone is further continued to be carried out, step S6 is continued to execute.
S6. step S1 is repeated, when the mixed acid solution in nitration mixture slot meets temperature requirement, step S4 is executed, passes through cycle
Mixed acid solution in nitration mixture slot is delivered to graphite axe by pump；Otherwise, step S2 is executed.
Wherein, pickling stone operation is carried out again in the equipment for having carried out overpickling stone operation, first to upper one
The mixed acid solution that hypo acid is transported to after the completion of washing in the nitration mixture slot is judged, if the temperature of mixed acid solution meets 80~90 DEG C
Requirement, then directly the mixed acid solution in the nitration mixture slot is transported in the graphite axe by the circulating pump at this time；It wants
It is not meet temperature requirement, then the mixed acid solution is transported to by the nitration mixture preheater by the circulating pump, it is carried out
Heating carries out pickling then again by the nitration mixture after heating from being transported in nitration mixture preheater in the graphite axe to stone.
After acid cleaning process terminates, the mixed solution ultimately generated is transported to liquid waste treatment system and is carried out at waste liquid
Reason, after waiting treatment fluids requirement up to standard, can be discharged, in order to avoid pollution environment.
After the utility model heats mixed acid solution, then stone is cleaned, accelerates the technological process of pickling stone,
Reduce the time of pickling；The utility model enables mixed acid solution in acid cleaning process to be recycled using circulating pump, saves
About resource and cost.
Above disclosed is only the preferred embodiment of the utility model, certainly cannot be new to limit this practicality with this
The interest field of type, therefore equivalent variations made according to the claim of the utility model still belong to the model that the utility model is covered
It encloses.
Claims (10)
1. a kind of pickling stone equipment, which is characterized in that including nitration mixture slot (1), nitration mixture preheater (2), graphite axe (3), cycle
(4) and diluted alkaline slot (5) are pumped,
The nitration mixture slot (1) is connected with the circulating pump (4), the circulating pump (4) respectively with the nitration mixture preheater (2) and
The graphite axe (3) is connected, and the nitration mixture preheater (2) is connected with the graphite axe (3), and the graphite axe (3) is mixed with described
Acid tank (1) is connected, and the nitration mixture slot (1) is connected with the diluted alkaline slot (5), and one end of the diluted alkaline slot (5) is connected by pipeline
To the pipeline between the graphite axe (3) and the nitration mixture slot (1).
2. a kind of pickling stone equipment according to claim 1, which is characterized in that the nitration mixture preheater (2) and described
Graphite axe (3) right angle setting and fixation.
3. a kind of pickling stone equipment according to claim 2, which is characterized in that the nitration mixture slot (1) and the diluted alkaline
The installation site of slot (5) is below the installation site of the graphite axe (3), to meet the drain requirement of the graphite axe (3).
4. a kind of pickling stone equipment according to claim 3, which is characterized in that the nitration mixture slot (1) is equipped with nitration mixture
Configure mouth (11).
5. a kind of pickling stone equipment according to claim 4, which is characterized in that the top of the graphite axe (3) is equipped with
Stone charge door (31).
6. a kind of pickling stone equipment according to claim 5, which is characterized in that the bottom of the graphite axe (3) is equipped with
Filter card (32), nitration mixture outlet and stone discharge port (33).
7. a kind of pickling stone equipment according to claim 6, which is characterized in that the nitration mixture preheater (2) is by low
Pressure steam heats nitration mixture, and heating temperature is 80 DEG C~90 DEG C.
8. a kind of pickling stone equipment according to claim 7, which is characterized in that the low-pressure steam passes through stainless steel pressure
Hydraulic piping is transferred to the nitration mixture preheater (2), the condensed water that the low-pressure steam is formed after being heated to the nitration mixture from boiler
It is stored in condensate water pot (6).
9. a kind of pickling stone equipment according to claim 8, which is characterized in that the condensed water passes through condensate pump
(7) boiler is transported to reheat.
10. a kind of pickling stone equipment according to claim 9, which is characterized in that the transmission pipeline of the nitration mixture is
Flexible anticorrosion pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719366.XU CN207770386U (en) | 2017-12-12 | 2017-12-12 | A kind of pickling stone equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719366.XU CN207770386U (en) | 2017-12-12 | 2017-12-12 | A kind of pickling stone equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207770386U true CN207770386U (en) | 2018-08-28 |
Family
ID=63232075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721719366.XU Active CN207770386U (en) | 2017-12-12 | 2017-12-12 | A kind of pickling stone equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN207770386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999459A (en) * | 2017-12-12 | 2018-05-08 | 南通星球石墨设备有限公司 | A kind of pickling stone device and method |
| CN112024551A (en) * | 2020-09-04 | 2020-12-04 | 滁州联江环保科技有限公司 | Reation kettle washs scale removal system |
-
2017
- 2017-12-12 CN CN201721719366.XU patent/CN207770386U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999459A (en) * | 2017-12-12 | 2018-05-08 | 南通星球石墨设备有限公司 | A kind of pickling stone device and method |
| CN107999459B (en) * | 2017-12-12 | 2023-08-15 | 南通星球石墨股份有限公司 | Stone pickling equipment and method |
| CN112024551A (en) * | 2020-09-04 | 2020-12-04 | 滁州联江环保科技有限公司 | Reation kettle washs scale removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226500 Jiangsu province Nantong City Jiuhua town Rugao City Huaxing Road No. 8 Patentee after: Nantong star graphite Co., Ltd Address before: 226500 Jiangsu province Nantong City Jiuhua town Rugao City Huaxing Road No. 8 Patentee before: Nantong Xingqiu Graphite Facilities Company |
|
| CP01 | Change in the name or title of a patent holder |