CN209259646U

CN209259646U - Fluoboric acid storage facilities

Info

Publication number: CN209259646U
Application number: CN201821468144.XU
Authority: CN
Inventors: 钱维生
Original assignee: Kunshan Fule Chemical Co Ltd
Current assignee: Kunshan Fule Chemical Co Ltd
Priority date: 2018-09-07
Filing date: 2018-09-07
Publication date: 2019-08-16
Anticipated expiration: 2028-09-07

Abstract

The utility model discloses a kind of fluoboric acid storage facilities, including storage pit on the ground is arranged and is provide with the sealed frame structure of storage pit, ventilation opening is provided on the sealed frame structure, the lifting device that can be gone up and down in short transverse is provided in the storage pit, the first lifting plate placed for tank body is provided on the lifting device, the lifting device is placed on the first lifting plate by increasing lifting plate for tank body, the lifting device floods top of the tank for liquid level in storage pit by the first lifting plate of decline, the storage pit is communicated with the water inlet end for water supply and the water outlet for water outlet.The fluoboric acid of volatilization and leakage dissolves in the water in storage pit, reduces environment and pollution.

Description

Fluoboric acid storage facilities

Technical field

The utility model relates to field of chemical equipment, in particular to a kind of fluoboric acid storage facilities.

Background technique

Fluoboric acid is the important source material for preparing borofluoride, especially to being cleaned before aluminium and its alloy plating, electrobrightening Fine aluminium and the important component cleaned again that deflux and electroplated component are removed from low-activity metallic matrix.The tradition system of fluoboric acid Standby technique is to react hydrofluoric acid and boric acid according to stoichiometric, but can generate a large amount of heat during the reaction, Therefore reaction temperature is difficult to control.

On ordinary meaning, fluoboric acid is a kind of aqueous solution, by reacting for boric acid solution and hydrogen fluoride gas, and then is obtained Fluoborate solution on ordinary meaning, fluoboric acid pour into tank body after, during prolonged storage, the intracorporal fluorine boron of tank Acid is easy to happen leakage and volatilization.

Utility model content

The purpose of the utility model is to provide a kind of fluoboric acid storage facilities, fluorine boron in tank body during there is reduction to store The effect of acid leakage.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of fluoboric acid storage is set It is standby, including storage pit on the ground is arranged and is provide with the sealed frame structure of storage pit, it is arranged on the sealed frame structure There is ventilation opening, the lifting device that can be gone up and down in short transverse is provided in the storage pit, is provided with confession on the lifting device The first lifting plate that tank body is placed, the lifting device are placed on the first lifting plate by increasing lifting plate for tank body, The lifting device floods top of the tank for liquid level in storage pit by the first lifting plate of decline, and the storage pit is communicated with Water inlet end for water supply and the water outlet for water outlet.

Preferably, the lifting device is hydraulic hoisting machine.

Preferably, the sealed frame structure is wall body structure.

Preferably, the two sides of the first lifting plate length direction are provided with support column, the height of the support column is big In tank body height, the top card of the support column is embedded with the second lifting plate, and the bottom of second lifting plate is provided with for support The embeded slot of column insertion.

Preferably, the bottom of first lifting plate and the second lifting plate is provided through filtration hole.

Preferably, the bottom of the first lifting plate is arranged in the embeded slot.

In conclusion being mentioned the utility model has the following beneficial effects: canned ought there is the tank body of fluoboric acid to be placed into first After lift slab, hydraulic hoisting machine controls the decline of the first lifting plate, is submerged in tank body in storage pit, has achieved the effect that water seal, together When volatilize and the fluoboric acid of leakage it is water-soluble in, pass through ventilation as regularly water flow is carried over outside storage pit, while periodically Mouth circulates to the air in sealed frame structure；Support column play the role of can laminated multi-layer tank body, filtration hole solution mention Rise during, water storage underground water overflow the problem of.

Detailed description of the invention

Fig. 1 is overall flow figure；

Fig. 2 is the structural schematic diagram of reaction kettle；

Fig. 3 is the diagrammatic cross-section of reaction kettle；

Fig. 4 is the diagrammatic cross-section of the screen position of reaction kettle；

Fig. 5 is the horizontal section schematic diagram of groove body；

Fig. 6 is the longitudinal profile schematic diagram of groove body；

Fig. 7 is the structural schematic diagram of pot-type equipment；

Fig. 8 is the enlarged diagram of A portion shown in Fig. 7；

Fig. 9 is the structural schematic diagram of the fluoboric acid finished product packing equipment of embodiment；

Figure 10 is the top view of the fluoboric acid finished product packing equipment of embodiment

Figure 11 is the diagrammatic cross-section of the fluoboric acid finished product packing equipment of embodiment；

Figure 12 is the diagrammatic cross-section of the fluoboric acid storage facilities of embodiment；

Figure 13 is the diagrammatic cross-section of the first lifting plate of embodiment；

In figure, 1, autoclave body；11, sieve plate；12, solid discharge；13, liquid outlet；14, heating coil；15, rotation axis；16, turn Lever；17, motor；18, feed inlet；2, condenser ontology；21, inlet；22, meal outlet；23, cold plate；24, gap； 25, cooling chamber；26, water inlet pipe；27, outlet pipe；28, impurity outlet；29, axial flow blower；291, dust bag；3, clean chamber；31, axis Flow fan；32, impurity outlet；33, fixed ring；34, dust bag；35, sieve；36, strainer；4, groove body；41, feed inlet；42, go out Material mouth；43, plastics reactive tank；43, temperature sensor；44, water cavity；45, seal chamber；46, air injection pipe；47, dispersion block；48, thoroughly Stomata；49, exhaust pipe；491, water inlet；492, water outlet；493, air flow sensor；6, cabinet；61, inlet；62, Liquid outlet；63, outlet tube；64, the second inert gas pressure pipeline；65, canning device；66, canned mouth；67, water cavity；68, go out chamber Mouthful；681, into accent；69, first annular slot；691, first annular sealing ring；692, the second annular groove；693, the second annular is close Seal；694, fast joint of waterpipe；695, third annular groove；7, rack；71, conveyer belt；72, lifting device；73, guided way Road；74, driving device；75, oil cylinder；76, lifter plate；77, baffle；8, storage pit；81, sealed frame structure；82, ventilation opening； 83, lifting device；84, the first lifting plate；85, water inlet end；86, water outlet；87, support column；88, the second lifting plate；89, it is fitted into Slot；891, filtration hole.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

A kind of production and processing method of fluoboric acid, includes the following steps,

Step 1: boric acid pre-processes: industrial boric acid and water being dissolved by heating, and are filtered until clear, then exports filtrate It is concentrated to inspissator, when being concentrated into solid precipitation, concentrate is exported into condensing crystallizer crystallisation by cooling, obtains essence Preparing boric acid, condensing crystallizer export direction by with purification the staggered air of boric acid falling direction, to purification boric acid into Row impurities removal；

Step 2: the preparation of fluoboric acid: purification boric acid being dissolved in the water and is made into boric acid solution, and is carried out to boric acid solution Ice-water bath is passed through hydrogen fluoride gas to boric acid solution at this time, obtains fluoboric acid, and accurate boric acid is dissolved in the water of pan tank, Purification boric acid is uniformly distributed along the length direction of pan tank, and pan tank keeps sealing, while being passed through nitrogen in process, instead It answers temperature to be no more than 40 DEG C and passes through ultrasound examination fluoboric acid concentration, and then control reaction process；

Step 3: fluoboric acid is canned: by fluoboric acid by way of filling apparatus pressurization injection, pour into finished pot, The outlet of filling apparatus is provided with solenoid valve；

Step 4: the storage of fluoboric acid: the canned finished pot for having fluoboric acid of step 3 kind being placed in water and is sealed guarantor It deposits, while storing place and keeping ventilation.

A kind of security system in fluoboric acid process, includes the following steps,

Step 1: boric acid pre-processes: industrial boric acid and water are dissolved by heating, and are filtered until clear, supernatant liquid is taken, under Layer residue discharge, then clarified solution is exported to inspissator and is concentrated, when being concentrated into solid precipitation, by concentrate export to Crystallisation by cooling is carried out in condensing crystallizer, obtains purification boric acid；

Step 2: the preparation of fluoboric acid: it is made into boric acid solution by refining in the water that boric acid is dissolved in closed pan tank, And ice-water bath is carried out to boric acid solution, and hydrogen fluoride gas is passed through to boric acid solution by air injection pipe, obtain fluoboric acid, air injection pipe Inside it is provided with the pitot that measurement gas is passed through speed；

Step 3: fluoboric acid is canned: fluoboric acid in pan tank by implantation protective gas, under the effect of the pressure into Enter in pot-type equipment, then filling apparatus is poured into fluoboric acid in finished pot by way of increasing air pressure injection, pan tank It is internally provided with temperature sensor and ultrasonic wave concentration detection apparatus, baroceptor is provided in pan tank, is set on pan tank It is equipped with exhaust pipe, the first inert gas pressure pipeline is provided on pan tank, the second inert gas is provided on pot-type equipment and adds Pressure pipe road；

Step 4: the storage of fluoboric acid: the canned finished pot for having fluoboric acid of step 3 kind being placed in water and is sealed guarantor It deposits, while storing place and keeping ventilation；

Step 1: being connected with protective gas, while the pipeline between each equipment in each equipment in step 2 and step 3 On be provided with solenoid valve control on-off.

Embodiment 1:

The embodiment of the above production and processing method and security system is as follows,

Fig. 1 is overall flow figure.

As shown in Fig. 2, the reaction kettle structure in a kind of fluoboric acid process, the upper end outlet including 1 autoclave body 1 of autoclave body is set It is equipped with feed inlet 18,1 bottom of autoclave body is provided with solid discharge 12, and the inner transverse of autoclave body 1 is provided with turnover sieve plate 11, Sieve plate 11 is connected with the motor that driving sieve plate 11 rotates, and motor is arranged outside autoclave body 1, and autoclave body 1 is provided in the top of sieve plate 11 Liquid outlet 13, the axis line position in autoclave body 1 are rotatably connected to agitating device.

Liquid outlet 13 is provided with the on-off of solenoid valve control liquid outlet 13, and heating coil 14 is provided in the side wall of autoclave body 1, Agitating device includes rotation axis 15, the rotating bar being arranged in rotation axis 15 16, the motor 17 being arranged in outside autoclave body 1, electronic Machine 17 connect with rotation axis 15 and then rotation axis 15 is driven to rotate, and rotating bar 16 is arranged radially along rotation axis 15.Rotating bar 16 It may be provided in the axial direction of rotation axis 15 multiple.

Working principle are as follows: industrial boric acid and water are dissolved by heating by the heating coil 14 of reaction kettle side wall, while motor 17 drive agitating device rotation, accelerate the dissolution of industrial boric acid, the impurity in industrial boric acid flows to reaction kettle by sieve plate 11 Bottom facilitates subsequent clarification work, shelves after a certain period of time, and the clarified solution on upper layer is flowed outward by liquid outlet 13, simultaneously Solenoid valve is closed in clarifying process, and after clarified solution outflow, sieve plate 11 rotates driven by the motor, will be miscellaneous on sieve plate 11 Matter opens simultaneously solid discharge 12, residue is discharged to 1 flows of autoclave body, in the process, meets the essence of industrial boric acid System.

As shown in figure 3, the Novel condenser in a kind of fluoboric acid process, the condenser ontology including being in cuboid 2, condenser ontology 2 is shell structure made of stainless steel material, is filled with asbestos in the side wall of shell.

Condenser ontology 2 includes the inlet 21 and underlying meal outlet 22 that are located above, in shape will be precipitated The boric acid solution of state enters in condenser ontology 2 from inlet 21, and the boric acid powder after crystallization is fallen downwards from meal outlet 22.

Permutation is provided with cold plate 23 between inlet 21 and meal outlet 22, forms feed flow between the adjacent cold plate 23 The gap 24 that body passes through, inner wall of the two sides of 23 width direction of cold plate respectively with condenser ontology 2 are welded and fixed, cold plate The both ends of 23 short transverses are not connect with the inner wall of condenser ontology 2.

Cooling chamber 25, cooling chamber 25 S-shaped sinuous arrangement, each cooling chamber in cold plate 23 are provided in cold plate 23 25 are communicated with water inlet pipe 26 and outlet pipe 27 by hose respectively, and water inlet pipe 26 is located at the top of condenser ontology 2, outlet pipe 27 Positioned at the lower section of condenser ontology 2, water inlet pipe 26 and outlet pipe 27 are arranged through condenser ontology 2.

Meal outlet 22 is arranged with removal of impurities chamber, and control meal outlet 22 is provided between meal outlet 22 and removal of impurities chamber and opens and closes One end of the solenoid valve closed, removal of impurities chamber width direction is provided with wind regime, and in the utility model, wind regime is axial flow blower 29, removal of impurities The other end of chamber width direction is provided with impurity outlet 28, is arranged with dust bag 291 on impurity outlet 28, and wind regime is by the impurity in powder It blows off the chamber that cleans, and then excludes in condensation process, the impurity in boric acid powder from impurity outlet 28.

As shown in figure 4, the air cleaning facility in a kind of fluoboric acid production process, including be arranged and go out powder in condenser ontology The removal of impurities chamber 3 of mouth position, removal of impurities chamber 3 are surrounded by stainless-steel sheet, are provided between the meal outlet and removal of impurities chamber 3 of condenser ontology The solenoid valve that meal outlet opens and closes is controlled, one end of removal of impurities 3 width direction of chamber is provided with wind regime.

Wind regime is axial flow blower 31, and wind regime can be used air pump replacement, be provided with 31 court of axial flow blower on axial flow blower 31 One end of impurity outlet 32 is provided with the filter layer for removing dust, filter layer is the strainer 36 of cotton, for preventing air In dust enter in removal of impurities chamber 3, pollute, strainer 36 and axial flow blower 31 can be by being adhesively fixed, such as using made of metal At strainer 36, the mode that welding can also be used is fixed, or is fixed by the way of inlay card.

The other end of removal of impurities 3 width direction of chamber is provided with impurity outlet 32, and dust bag 34 is arranged on impurity outlet 32, and wind regime will Impurity in powder blows off the chamber 3 that cleans from impurity outlet 32, and impurity outlet 32 is used to collect the dust of chamber 3 of cleaning that blows off.

Fixed ring 33 is provided on impurity outlet 32, fixed ring 33 is cylindrical, and one end radially extends, and forms diameter Greater than the ring part of impurity outlet 32, ring part makes fixed ring 33 be fixed on the inner wall of removal of impurities chamber 3, fixed ring by welding Removal of impurities chamber 3 is extended in 33 other end, and integrated belt is fixed by the stainless steel hoop of annular and the outer circumference surface of fixed ring 33.

Sieve 35 is welded in fixed ring 33, integrated molding can also be used in sieve 35 or mach mode takes shape in fixation In ring 33, the mesh diameter of sieve 35 is 0.5mm-1.5mm.

As shown in Figure 5 and Figure 6, in the finished product slot structure or fluoboric acid process in a kind of fluoboric acid process Reactive tank, including groove body 4, in closing setting, overall structure is rectangle groove body 4, in addition to pipeline connection, is led to inside groove body 4 The mode of welding is crossed in closure designs, the top of groove body 4 is provided with the feed inlet 41 being connected to condenser, for for refining boric acid Into in groove body 4, feed inlet 41 is arranged in one end of 4 length direction of groove body and is uniformly distributed along the length direction of groove body 4, each The side of feed inlet 41 is provided with air injection pipe 46, and air injection pipe 46 is communicated with the high-pressure air source with etching acid gas, air injection pipe 46 It is connected in groove body 4.

Plastics reactive tank 43 is provided in groove body 4, the side wall of groove body 4 extends inwardly step, sets on plastics reactive tank 43 It is equipped with the block with step cooperation, and then plastics reactive tank 43 is connected with 4 inlay card of groove body or fixed by way of Nian Jie etc., Water cavity 44 is formed between 43 bottom of plastics reactive tank and groove body 4, the bottom of groove body 4 is provided with water inlet 491 and water outlet 492, Water inlet 491 and water outlet 492 are connected to water cavity 44 respectively, and then the effect of cold bath is generated in plastics reactive tank 43, control Reaction temperature processed, forms seal chamber 45 between 43 top of plastics reactive tank and groove body 4, air injection pipe 46 is connected to plastics reactive tank 43 Interior, the vertical sectional shape semicircular in shape of plastics reactive tank 43, the bottom of plastics reactive tank 43 is provided with ultrasonic wave Concentration Testing dress It sets, the bottom of plastics reactive tank 43 is provided with temperature sensor 43.

The discharge port 42 left for the fluoboric acid after reaction is provided on groove body 4, discharge port 42 is arranged in 4 length side of groove body To the other end and be connected in plastics reactive tank 43 by plastic pipe, the row being connected to seal chamber 45 is provided on groove body 4 Tracheae 49 cooperates with the inert gas pressure pipeline being arranged on groove body 4, makes in the seal chamber 45 of groove body 4 full of inert gas Fluoboric acid liquid is discharged with pressurization, while the water in plastics reactive tank 43 can also be anti-by inert gas pressure pipeline addition plastics It answers in slot 43.

The bottom of air injection pipe 46 is provided with dispersion block 47, and dispersion block 47 is uniformly divided on dispersion block 47 by injection molding It is furnished with the air hole 48 of supplied gas circulation, air flow sensor 493 is provided in air injection pipe 46, for detecting the stream of hydrogen fluoride Speed controls the process of reaction, and the part that air injection pipe 46 and exhaust pipe 49 are located in groove body 4 is made of plastics, the bottom of air injection pipe 46 End is provided with the solenoid valve of control opening and closing lower than in plastics reactive tank 43 in air injection pipe 46 and exhaust pipe 49.

When purification boric acid is dissolved in the water in plastics reactive tank 43, purification boric acid has on the length direction of groove body 4 Multiple feed inlets 41, i.e. boric acid concentration in reactive tank uniformly improve, while air injection pipe 46 is on the length direction of groove body 4 Also have it is multiple, improve hydrofluoric acid dissolution in the rate in boric acid, can once generate a large amount of fluoboric acid, pass through air mass flow Sensor 493 and temperature sensor 43 detect the temperature change in reaction process, in conjunction with the ice water in water cavity 44, improve fluorine boron The concentration of acid；Exhaust pipe 49 and air injection pipe 46 made of plastics, reduce the corrosion of hydrofluoric acid；Pass through solenoid valve control simultaneously The recycling of the discharge of fluoboric acid and pernicious gas in air injection pipe 46；In plastics reactive tank 43, i.e., dispersion block 47 is Etching acid gas is directly discharged into boric acid solution, etching acid is reduced and is directly entered in air, reduces etching acid leakage, passes through The combination of dispersion block 47 and semicircular plastics reactive tank 43 improves the contact area of etching acid and boric acid solution, improves dissolution Effect.By being provided with water inlet 491 and water outlet 492, and then flowing water stream is produced in water cavity 44, so as to incite somebody to action Temperature in reaction process in plastics reactive tank 43 reduces, and generates the generation of the fluoboric acid in plastics reactive tank 43 beneficial to effect Fruit；Plastics reactive tank 43 has good anticorrosion effect, and the corrosion for avoiding hydrogen fluoride from generating reduces the service life of pan tank, and half Circular plastics reactive tank 43 improves the contact area between 43 bottom of the ice water in water cavity 44 and plastics reactive tank, improves Cooling effect controls whole reaction temperature at 40 DEG C；Air injection pipe 46 plays the role of inputting hydrogen fluoride in groove body 4, Exhaust pipe 49 avoids the air pressure in groove body 4 from rising too high, and inert gas pressure pipeline makes to guarantee inert gas environment in groove body 4, The aerial concentration of Jiangdu hydrogen fluoride, boric acid is entered by feed inlet 41 to be fallen into the plastics reactive tank 43 equipped with water；Simultaneously In order to facilitate the installation and use of plastics reactive tank 43, plastics reactive tank is fixed by the cooperation of step and block, instead The fluoboric acid that should be generated flows outward under the action of air pressure and gravity, from discharge port 42.

As shown in Figure 7 and Figure 8, a kind of pot-type equipment for fluoboric acid, including being in barrel-shaped or cuboid cabinet 6, inlet 61 and liquid outlet 62 are provided on cabinet 6, the near top of cabinet 6 is arranged in inlet 61, and liquid outlet 62 is arranged It near the bottom of cabinet 6, is changed according to plant designing, is provided with solenoid valve control on inlet 61 and liquid outlet 62 The opening and closing of inlet 61 and liquid outlet 62, while it is appreciated that the various the state of opposing seal is in cabinet 6.

Outlet tube 63 is connected on liquid outlet 62, for subsequent transportation step, it is proposed that the selection of outlet tube 63 has plastic inner lining Stereoplasm tube, be communicated with the second inert gas pressure pipeline 64 in cabinet 6.

Canning device 65 is connected on liquid outlet 62, the bottom of canning device 65 is provided with corresponding with the bottleneck to canned bottle body Canned mouth 66, canning device 65 are connected and are fixed in cake state and in outlet tube 63.

The top of canned mouth 66 is provided with first annular slot 69 corresponding with the bottleneck roof to canned bottle body, first annular Slot 69 is arranged concentrically with canning device 65, and first annular sealing ring 691, first annular sealing ring are provided in first annular slot 69 691 are made of the rubber material that resistance to fluoboric acid corrodes, while needing to have good hermetic seal, therefore first annular sealing ring 691 bottom is provided with corresponding second annular groove 692 of bottleneck for canned bottle body, and then by bottleneck card to the second annular groove In 692.

The side wall of canned mouth 66 is provided with third annular groove 695, and the second ring type seal is provided in third annular groove 695 693, the second ring type seal 693 protrudes from the side wall of canned mouth 66.

And then under conditions of there is the second ring type seal 693 and first annular sealing ring 691, canned mouth 66 with to tank Water cavity 67 is formed between the bottleneck outer wall of bottling body, in the condition without first annular sealing ring 691 and the second ring type seal 693 Under, the sealing ring of same shape can also be formed, singly 65 entirety of canning device need to be changed to rubber material, water cavity 67 is communicated with for liquid What is entered goes out accent 68 with for liquid discharge into accent 681, in order to facilitate the access of water pipe, into accent 681 and out accent 68 On be connected with fast joint of waterpipe 694, while into accent 681 and out the radially extending along canning device 65 of accent 68.

As shown in Fig. 9, Figure 10 and Figure 11, a kind of fluoboric acid finished product packing equipment, including rack 7, rack 7 are located at canned set Standby lower section, rack 7 is whole to be welded by metal, and conveyer belt 71 is provided in rack 7, and conveyer belt 71 includes two be set side by side Item is provided with the driving device 74 that driving conveyer belt 71 is driven in the side of rack 7, and in the present embodiment, driving device 74 is electricity Machine, motor drive the rotation of conveyer belt 71 by gearbox etc., and conveyer belt 71 is preferably synchronous gear conveyer belt 71, two transmission There are gaps between band 71.

It is provided in conveyer belt 71 and conveyer belt 71 is jacked up to and then realized the lifting device 72 of tank body lifting, lifting dress It sets 72 preferably oil cylinder 75, the bottoms of oil cylinder 75 to connect with ground or rack 7, the piston rod part of oil cylinder 75 is provided with lifter plate 76, lifter plate 76 jacks up the bottom of conveyer belt 71 upwards, and after tank body is located at below pot-type equipment, oil cylinder 75 drives lifter plate 76 rise, and then by the canned mouth position on tank body top to pot-type equipment, and after canned, oil cylinder 75 is driven under lifter plate 76 Drop is detached from tank body and pot-type equipment, and under the drive of conveyer belt 71, next tank body is driven to pot-type equipment, back and forth follows Under ring, the canned of automation is realized.

Rack 7 is provided with guide rail 73 in 71 two sides of conveyer belt, and guide rail 73 includes two baffles being set side by side 77, baffle 77 connect or is welded and fixed with rack 7 respectively, and baffle 77 extends outwardly respectively in the entrance location of rack 7, and then right The effect of guiding is realized into the tank body of conveyer belt 71.

As shown in Figure 12 and Figure 13, a kind of fluoboric acid storage facilities, including storage pit 8 on the ground is arranged and is provide with storage The sealed frame structure 81 in puddle 8, sealing ore body structure can be wall body structure or film etc., and it is permanent can to reach opposite constant temperature The structure of wet effect, while wall body structure is six face closure structures and offers warehouse gate in the present embodiment, sealed frame structure Be provided with ventilation opening 82 on 81, be provided with the ventilation equipment such as exhaust fan on ventilation opening 82, storage pit 8 be communicated with for water supply into Water end (W.E.) 85 and the water outlet 86 for water outlet, flow the water in storage pit 8 periodically, avoid fluorine-containing boric acid content in water excessively high.

The lifting device 83 that can be gone up and down in short transverse is provided in storage pit 8, lifting device 83 is hydraulic hoisting machine etc. Equipment, hydraulic hoisting machine should have waterproof effect.

The first lifting plate 84 placed for tank body is provided on lifting device 83, the first lifting plate 84 is at least two rows of arranged side by side Tank body place, while the two sides of 84 length direction of the first lifting plate being provided with support column 87, the first lifting column plays tank body The effect for having arrived limit, prevents tank body from falling to width direction.

The height of support column 87 is greater than tank body height, and the top card of support column 87 is embedded with the second lifting plate 88, and second is promoted The bottom of plate 88 is provided with the embeded slot 89 being embedded in for support column 87, and then can stack more tank bodies, and embeded slot 89 can also be set It sets in the bottom of the first lifting plate 84, in order to avoid the spilling of water during being promoted and being declined, the first lifting plate 84 and second is mentioned The bottom of lift slab 88 is provided through filtration hole 891.

And then lifting device 83 is placed on the first lifting plate 84 by increasing lifting plate for tank body, lifting device 83 Top of the tank is flooded for liquid level in storage pit 8 by the first lifting plate 84 of decline, realizes the sealing to tank body.

Embodiment 2:

As shown in Figure 5 and Figure 6, the finished product slot structure in a kind of fluoboric acid process, for pan tank in embodiment 1 Structure improve or fluoboric acid process in reactive tank, including groove body 4, groove body 4 is in closing setting, overall structure Rectangle is in by welding closure designs inside groove body 4, the top of groove body 4 is provided with and condenses in addition to pipeline connection The feed inlet 41 of device connection, for entering in groove body 4 for purification boric acid, one end of 4 length direction of groove body is arranged in feed inlet 41 And be uniformly distributed along the length direction of groove body 4, the side of each feed inlet 41 is provided with air injection pipe 46, and air injection pipe 46 is communicated with tool There is the high-pressure air source of etching acid gas, air injection pipe 46 is connected in groove body 4.

Plastics reactive tank 43 is provided in groove body 4, the side wall of groove body 4 extends inwardly step 496, plastics reactive tank 43 On be provided with the block 497 cooperated with step 496, and then plastics reactive tank 43 and 4 inlay card of groove body connect or pass through Nian Jie etc. Mode fix, between 43 bottom of plastics reactive tank and groove body 4 formed water cavity 44, the bottom of groove body 4 is provided with water inlet 491 With water outlet 492, water inlet 491 and water outlet 492 are connected to water cavity 44 respectively, and then generate cold water in plastics reactive tank 43 The effect of bath controls reaction temperature, and seal chamber 45 is formed between 43 top of plastics reactive tank and groove body 4, and air injection pipe 46 is connected to In plastics reactive tank 43, the vertical sectional shape semicircular in shape of plastics reactive tank 43, the bottom of plastics reactive tank 43 is provided with ultrasound Wave concentration detection apparatus 494, the bottom of plastics reactive tank 43 are provided with temperature sensor 43.

The discharge port 42 left for the fluoboric acid after reaction is provided on groove body 4, discharge port 42 is arranged in 4 length side of groove body To the other end and be connected in plastics reactive tank 43 by plastic pipe, the row being connected to seal chamber 45 is provided on groove body 4 Tracheae 49 cooperates with the first inert gas pressure pipeline 495 being arranged on groove body 4, makes in the seal chamber 45 of groove body 4 full of lazy Property gas and pressurization discharge fluoboric acid liquid, while the water in plastics reactive tank 43 can also pass through the first inert gas pressure pipeline 495 are added in plastics reactive tank 43.

When purification boric acid is dissolved in the water in plastics reactive tank 43, purification boric acid has on the length direction of groove body 4 Multiple feed inlets 41, i.e. boric acid concentration in reactive tank uniformly improve, while air injection pipe 46 is on the length direction of groove body 4 Also have it is multiple, improve hydrofluoric acid dissolution in the rate in boric acid, can once generate a large amount of fluoboric acid, pass through air mass flow Sensor 493 and temperature sensor 43 detect the temperature change in reaction process, in conjunction with the ice water in water cavity 44, improve fluorine boron The concentration of acid；Exhaust pipe 49 and air injection pipe 46 made of plastics, reduce the corrosion of hydrofluoric acid；Pass through solenoid valve control simultaneously The recycling of the discharge of fluoboric acid and pernicious gas in air injection pipe 46；In plastics reactive tank 43, i.e., dispersion block 47 is Etching acid gas is directly discharged into boric acid solution, etching acid is reduced and is directly entered in air, reduces etching acid leakage, passes through The combination of dispersion block 47 and semicircular plastics reactive tank 43 improves the contact area of etching acid and boric acid solution, improves dissolution Effect.By being provided with water inlet 491 and water outlet 492, and then flowing water stream is produced in water cavity 44, so as to incite somebody to action Temperature in reaction process in plastics reactive tank 43 reduces, and generates the generation of the fluoboric acid in plastics reactive tank 43 beneficial to effect Fruit；Plastics reactive tank 43 has good anticorrosion effect, and the corrosion for avoiding hydrogen fluoride from generating reduces the service life of pan tank, and half Circular plastics reactive tank 43 improves the contact area between 43 bottom of the ice water in water cavity 44 and plastics reactive tank, improves Cooling effect controls whole reaction temperature at 40 DEG C；Air injection pipe 46 plays the role of inputting hydrogen fluoride in groove body 4, Exhaust pipe 49 avoids the air pressure in groove body 4 from rising too high, and the first inert gas pressure pipeline 495 makes to guarantee indifferent gas in groove body 4 Body environment, the aerial concentration of Jiangdu hydrogen fluoride, boric acid is entered by feed inlet 41 falls into the plastics reactive tank 43 equipped with water It is interior；The installation and use of plastics reactive tank 43 for convenience, plastics reactive tank are matched by step 496 and block 497 simultaneously Conjunction is fixed, and reacts the fluoboric acid of generation under the action of air pressure and gravity, flows outward from discharge port 42.

Claims

1. a kind of fluoboric acid storage facilities, it is characterised in that: including storage pit (8) on the ground is arranged and is provide with storage pit (8) sealed frame structure (81) is provided with ventilation opening (82) on the sealed frame structure (81), in the storage pit (8) It is provided with the lifting device (83) that can be gone up and down in short transverse, is provided with first placed for tank body on the lifting device (83) Lifting plate (84), the lifting device (83) are placed on the first lifting plate (84) by increasing lifting plate for tank body, institute It states lifting device (83) and top of the tank, the storage is flooded for storage pit (8) interior liquid level by decline the first lifting plate (84) Puddle (8) is communicated with the water inlet end (85) for water supply and the water outlet (86) for water outlet.

2. fluoboric acid storage facilities according to claim 1, it is characterised in that: the lifting device (83) is hydraulic pressure lift Machine.

3. fluoboric acid storage facilities according to claim 1, it is characterised in that: the sealed frame structure (81) is wall Structure.

4. fluoboric acid storage facilities according to claim 1, it is characterised in that: the first lifting plate (84) length direction Two sides be provided with support column (87), the height of the support column (87) is greater than tank body height, the top of the support column (87) Inlay card has the second lifting plate (88), and the bottom of second lifting plate (88) is provided with the embeded slot for support column (87) insertion (89)。

5. fluoboric acid storage facilities according to claim 4, it is characterised in that: first lifting plate (84) and second mentions The bottom of lift slab (88) is provided through filtration hole (891).

6. fluoboric acid storage facilities according to claim 4, it is characterised in that: embeded slot (89) setting is mentioned first The bottom of lift slab (84).