CN208275345U - Dilute HF acid equipment - Google Patents
Dilute HF acid equipment Download PDFInfo
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- CN208275345U CN208275345U CN201820470167.8U CN201820470167U CN208275345U CN 208275345 U CN208275345 U CN 208275345U CN 201820470167 U CN201820470167 U CN 201820470167U CN 208275345 U CN208275345 U CN 208275345U
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Abstract
The utility model discloses a kind of dilute HF acid equipment, belong to chemical industry dilution equipment.The dilute HF acid equipment of the utility model, comprising: thinning tank；Vacuum pump, vacuum pump are connected to by gas pipeline with the top of thinning tank；Feed inlet, feed inlet are connected to by fluid pipeline with the bottom of thinning tank；And blow-down drum, blow-down drum are connected to by drainage line with the bottom of thinning tank.The purpose of the utility model is to overcome the deficiencies that safety in existing dilute HF acid technical process is poor, provide a kind of dilute HF acid equipment, significantly improve the safety of dilute HF acid technical process.
Description
Technical field
The utility model relates to chemical industry dilution equipments, more specifically to a kind of dilute HF acid equipment.
Background technique
The concentration of hydrofluoric acid raw material is generally 50%, in industry for impregnates with the hydrofluoric acid solution of regenerated filter fabric, it is dense
Degree is 3%-5%.But hydrofluoric acid has strong corrosive, can make subcutis and muscle layer liquefaction and necrosis, anti-with calcium in bone
It answers, dense hydrofluoric acid has acid mist, and sucking can cause bronchitis and hemorrhagic pulmonary edema, belongs to height and endangers poisonous substance.
When dense hydrofluoric acid being diluted operation in the prior art, dense hydrofluoric acid is manually usually poured into pond, this is just
So that operator is easy to happen danger during toppling over.In existing dense dilute HF acid configuration process, the industrial accident of appearance
It is more and cumbersome time-consuming.
On how to dilute the acid solution having compared with strong corrosive, has related patents in the prior art and disclose, such as
Patent publication No.: 105523526 A of CN, publication date: on 04 27th, 2016, invention and created name are as follows: the dilution for sulfuric acid
Equipment, this application discloses a kind of dilution equipments for sulfuric acid, including the first Agitation Tank and the second Agitation Tank, first to match liquid
Tank lower part is connected to by pipeline and pump with the second Agitation Tank；Be equipped on first Agitation Tank, the second Agitation Tank connection water source into
Water pipe, acid inlet tube, the blender for being connected to the concentrated sulfuric acid, are equipped with flow valve on water inlet pipe, acid inlet tube, are additionally provided in the first Agitation Tank
Cooling tube, the second Agitation Tank are equipped with sample tap.The efficiency for preparing dilute sulfuric acid using the sulfuric acid dilution equipment of this application is higher.
But this application is disadvantageous in that, directly transports acid solution by pump, acidic materials can be made to set pump and correlation
It is standby to generate corrosion, influence service life of equipment.
It is the prior art in conclusion how to overcome the shortcomings of that safety is poor in existing dilute HF acid technical process
The technical issues of middle urgent need to resolve.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome the deficiencies that safety in existing dilute HF acid technical process is poor, provide
A kind of dilute HF acid equipment, significantly improves the safety of dilute HF acid technical process.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
The dilute HF acid equipment of the utility model, comprising:
Thinning tank；
Vacuum pump, the vacuum pump are connected to by gas pipeline with the top of the thinning tank；
Feed inlet, the feed inlet are connected to by fluid pipeline with the bottom of the thinning tank；
And blow-down drum, the blow-down drum are connected to by drainage line with the bottom of the thinning tank.
It is further improved as the utility model, the gas pipeline is equipped with open and close valve.
It is further improved as the utility model, the fluid pipeline is equipped with inlet valve.
It is further improved as the utility model, the gas pipeline is equipped with the exhaust that can be connected to ambient atmosphere
Mouthful.
It is further improved as the utility model, the fluid pipeline is equipped with the deflation that can be connected to ambient atmosphere
Mouthful.
It is further improved as the utility model, the fluid pipeline elder generation and gas vent from after diluting pot bottom extraction
Connection, then inlet valve is installed.
It is further improved as the utility model, the gas pipeline is from elder generation and exhaust outlet after thinning tank Base top contact
Connection, then open and close valve is installed.
It is further improved as the utility model, height is higher than the top position of thinning tank where the gas vent.
It is further improved as the utility model, the drainage line is equipped with blow-off valve.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) in the utility model, by the cooperation of vacuum pump and thinning tank, so that the mixed process of dense hydrofluoric acid exists always
Occur under negative pressure state, effectively prevent the leakage of hydrofluoric acid under positive pressure or normal pressure, significantly improves dilute HF acid technique mistake
The safety of journey, while entire dilution is toppled over without lifting, carrying and barreled, saves a large amount of human and material resources.
(2) in the utility model, feed inlet is connected to by fluid pipeline with the bottom of thinning tank, and first passing through feed inlet will be big
Water sucking dilution pot bottom is measured, under the premise of no stirring, the moment dense hydrofluoric acid solution of sucking is isolated in water level
Lower section is directly mixed with water, is avoided the acid mist that dense hydrofluoric acid solution volatilizes and is introduced into vacuum pump by gas pipeline,
Protective effect is played to vacuum pump, improves the service life of equipment.
(3) in the utility model, fluid pipeline is first connect with gas vent after drawing from dilution pot bottom, then is equipped with charging
Valve, gas pipeline is first connect with exhaust outlet from after thinning tank Base top contact, then is equipped with open and close valve, it is ensured that the hydrogen fluorine after dilution
During acid solution flows into blow-down drum, thinning tank and feed inlet are in state of isolation, and thinning tank and vacuum pump are in isolation shape
State, and ensure that thinning tank is in normal pressure state, the hydrofluoric acid solution after dilution can be smoothly discharged.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the dilute HF acid equipment of embodiment 1-2.
Label declaration in schematic diagram: 1, feed inlet；2, inlet valve；3, gas vent；4, thinning tank；5, blow-off valve；6, it arranges
Batch can；7, exhaust outlet；8, open and close valve；9, vacuum pump.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only
Indicate the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1, the dilute HF acid equipment of the present embodiment, comprising: thinning tank 4；Vacuum pump 9, vacuum pump 9 pass through gas
Pipeline is connected to the top of thinning tank 4；Feed inlet 1, feed inlet 1 are connected to by fluid pipeline with the bottom of thinning tank 4；And row
Batch can 6, blow-down drum 6 are connected to by drainage line with the bottom of thinning tank 4.Wherein, gas pipeline is equipped with open and close valve 8, liquid
Pipeline is equipped with inlet valve 2, and drainage line is equipped with blow-off valve 5；Gas pipeline is equipped with the exhaust that can be connected to ambient atmosphere
Mouthfuls 7, fluid pipeline is equipped with the gas vent 3 that can be connected to ambient atmosphere, after fluid pipeline is drawn from 4 bottom of thinning tank elder generation with put
Port 3 connects, then is equipped with inlet valve 2；Gas pipeline is first connect with exhaust outlet 7 from after 4 Base top contact of thinning tank, then is equipped with
Open and close valve 8.
The dilute HF acid equipment of the present embodiment, the use process is as follows:
(1) installation gets out dilute HF acid equipment, and blow-off valve 5, inlet valve 2, gas vent 3 and exhaust outlet 7 are closed,
Open and close valve 8 is opened；Start vacuum pump 9, forms lasting negative pressure state in thinning tank 4；
(2) feed inlet 1 is connected to pond, opens inlet valve 2, under the effect of the pressure, water is inhaled into the bottom of thinning tank 4
Portion closes inlet valve 2 when water reaches predetermined value；
(3) feed inlet 1 is connected to dense hydrofluoric acid solution, opens inlet valve 2, under the effect of the pressure, dense hydrofluoric acid is molten
Liquid is inhaled into the bottom of thinning tank 4 and mixes with water, when dense hydrofluoric acid solution amount reaches predetermined value, closes inlet valve 2；
(4) open and close valve 8 is closed, vacuum pump 9 is then shut off, exhaust outlet 7 and gas vent 3 are opened respectively, so that thinning tank 4
Interior recovery normal pressure state；
(5) blow-off valve 5 is opened, so that the hydrofluoric acid solution after dilution is automatically flowed into and is collected in blow-down drum 6.
In the present embodiment, by the cooperation of vacuum pump 9 and thinning tank 4, so that the mixed process of dense hydrofluoric acid is always negative
Occur under pressure condition, effectively prevent the leakage of hydrofluoric acid under positive pressure or normal pressure, significantly improves dilute HF acid technical process
Safety, while entire dilution without lifting, carry and barreled is toppled over, save a large amount of human and material resources.
In the present embodiment, feed inlet 1 is connected to by fluid pipeline with the bottom of thinning tank 4, and first passing through feed inlet 1 will be a large amount of
Water sucks 4 bottom of thinning tank, and under the premise of no stirring, the moment dense hydrofluoric acid solution of sucking is isolated under water level
Fang Yushui is directly mixed, and is avoided the acid mist that dense hydrofluoric acid solution volatilizes and is introduced into vacuum pump 9 by gas pipeline, right
Vacuum pump 9 plays protective effect, improves the service life of equipment.
In the present embodiment, fluid pipeline is first connect with gas vent 3 after drawing from 4 bottom of thinning tank, then is equipped with inlet valve
2, gas pipeline is first connect with exhaust outlet 7 from after 4 Base top contact of thinning tank, then is equipped with open and close valve 8, it is ensured that the hydrogen after dilution
During fluorspar acid solution flows into blow-down drum 6, thinning tank 4 and feed inlet 1 be in state of isolation, thinning tank 4 at vacuum pump 9
In state of isolation, and ensure that thinning tank 4 is in normal pressure state, the hydrofluoric acid solution after dilution can be smoothly discharged.
In the present embodiment, gas vent 3 and exhaust outlet 7 are set and are connected to respectively by alkaline filter device with ambient atmosphere,
The above alkaline filter device includes the global shell that an outer wall is evenly distributed with through-hole, and quicklime particles, alkalinity are filled with inside the global shell
The setting of filter device, so that not having sour gas leakage during entire dilute HF acid, further improving hydrofluoric acid
The safety of dilution.
Embodiment 2
With reference to Fig. 1, the dilute HF acid equipment of the present embodiment, structure is substantially the same manner as Example 1, further:
Height is higher than the top position of thinning tank 4 where gas vent 3.
In the present embodiment, height is higher than the top position of thinning tank 4 where gas vent 3, when avoiding opening gas vent 3,
Hydrofluoric acid solution is leaked from gas vent 3.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. dilute HF acid equipment, characterized by comprising:
Thinning tank (4)；
Vacuum pump (9), the vacuum pump (9) are connected to by gas pipeline with the top of the thinning tank (4)；
Feed inlet (1), the feed inlet (1) are connected to by fluid pipeline with the bottom of the thinning tank (4)；
And blow-down drum (6), the blow-down drum (6) are connected to by drainage line with the bottom of the thinning tank (4).
2. dilute HF acid equipment according to claim 1, it is characterised in that: the gas pipeline is equipped with open and close valve
(8)。
3. dilute HF acid equipment according to claim 2, it is characterised in that: the fluid pipeline is equipped with inlet valve
(2)。
4. dilute HF acid equipment according to claim 3, it is characterised in that: the gas pipeline is equipped with can be with the external world
The exhaust outlet (7) of atmosphere.
5. dilute HF acid equipment according to claim 4, it is characterised in that: the fluid pipeline is equipped with can be with the external world
The gas vent (3) of atmosphere.
6. dilute HF acid equipment according to claim 5, it is characterised in that: the fluid pipeline is from thinning tank (4) bottom
Portion is first connect with gas vent (3) after drawing, then is equipped with inlet valve (2).
7. dilute HF acid equipment according to claim 6, it is characterised in that: the gas pipeline is pushed up from thinning tank (4)
Portion is first connect with exhaust outlet (7) after drawing, then is equipped with open and close valve (8).
8. dilute HF acid equipment according to claim 7, it is characterised in that: height is higher than where the gas vent (3)
The top position of thinning tank (4).
9. dilute HF acid equipment according to any one of claims 1 to 8, it is characterised in that: set in the drainage line
There are blow-off valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470167.8U CN208275345U (en) | 2018-03-30 | 2018-03-30 | Dilute HF acid equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820470167.8U CN208275345U (en) | 2018-03-30 | 2018-03-30 | Dilute HF acid equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208275345U true CN208275345U (en) | 2018-12-25 |
Family
ID=64750410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820470167.8U Active CN208275345U (en) | 2018-03-30 | 2018-03-30 | Dilute HF acid equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208275345U (en) |
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2018
- 2018-03-30 CN CN201820470167.8U patent/CN208275345U/en active Active
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