CN214598120U - Device for treating and absorbing hydrochloric acid mist - Google Patents
Device for treating and absorbing hydrochloric acid mist Download PDFInfo
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- CN214598120U CN214598120U CN202120250321.2U CN202120250321U CN214598120U CN 214598120 U CN214598120 U CN 214598120U CN 202120250321 U CN202120250321 U CN 202120250321U CN 214598120 U CN214598120 U CN 214598120U
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Abstract
The utility model discloses a device for treating and absorbing hydrochloric acid mist, which comprises an absorption container and an acid mist receiving pipe extending into the absorption container, wherein a polyhedral hollow ball filler and hydrochloric acid mist absorption liquid are contained in the absorption container, and the water level of the hydrochloric acid mist absorption liquid is lower than the highest position of the polyhedral hollow ball filler and lower than the outlet end of the acid mist receiving pipe; an absorption liquid inlet and an absorption liquid outlet are formed in the side wall of the absorption container, the absorption liquid inlet is higher than the highest position of the polyhedral hollow sphere filler, the absorption liquid outlet is lower than the level of the hydrochloric acid mist absorption liquid, a liquid outlet pipe, an absorption liquid circulating pump and a liquid inlet pipe which are sequentially communicated are arranged outside the absorption container, and the end part of the liquid inlet pipe is connected with a spraying joint; the top of the absorption container is also connected with an exhaust pipe, and a secondary absorption barrel is arranged below the tail end of the exhaust pipe; an overflow pipe is arranged on the side surface of the absorption container. The utility model discloses can absorb the processing to the acid mist that hydrochloric acid storage tank produced, avoid equipment, pipeline to receive hydrochloric acid mist to corrode, realize the cleaner production requirement.
Description
Technical Field
The utility model relates to an acid mist treatment technical field especially relates to an acid mist from ion exchange system hydrochloric acid absorbs processing apparatus.
Background
Lyocell fibres (i.e. Lyocell fibres) are regenerated cellulose fibres which are wet spun using NMMO (N-methylmorpholine-N-oxide) as solvent. The Lyocell fiber has the advantages of high strength, high modulus, good affinity to skin, capability of being blended with most of fibers and the like, and the manufacturing process of the Lyocell fiber has the advantages of no toxicity and no pollution.
During the production and manufacturing process of the Lyocell fiber, cellulose is dissolved in high-concentration NMMO aqueous solution to form spinning solution, and the spinning solution is crystallized and precipitated in low-concentration NMMO aqueous solution to prepare the Lyocell fiber. In the above process, the high concentration NMMO solvent is diluted into the low concentration NMMO aqueous solution, and since NMMO is expensive, in order to reduce the cost of the Lyocell fiber production process and improve the economic efficiency, NMMO must be recovered and recycled to the maximum extent.
The Lyocell fiber production and manufacturing technology has strict requirements on the contents of iron and copper ions in an NMMO aqueous solution, and the NMMO aqueous solution can be recycled after the iron and copper ions contained in the NMMO aqueous solution are removed. Technically, an ion exchange resin is adopted to remove the iron ions and the copper ions, and after the ion exchange resin runs for a certain period, hydrochloric acid with a certain concentration is used for regeneration treatment to recover the ion exchange performance of the resin.
In the Lyocell fiber production and manufacturing process, the ion exchange system is provided with a hydrochloric acid storage tank, and since hydrochloric acid has strong volatility, hydrogen chloride volatilizes and combines with water vapor in the air to form white acid mist, and the acid mist corrodes equipment and pipelines.
Disclosure of Invention
An object of the utility model is to provide a handle device that absorbs hydrochloric acid mist, the acid mist that produces the hydrochloric acid storage tank absorbs the processing, avoids equipment, pipeline to receive hydrochloric acid mist to corrode, realizes the cleaner production requirement.
In order to solve the problem, the utility model adopts the following technical scheme:
a device for treating and absorbing hydrochloric acid mist comprises an absorption container and an acid mist receiving pipe extending into the absorption container, wherein the absorption container is of a sealing structure, polyhedral hollow ball packing and hydrochloric acid mist absorption liquid are contained in the absorption container, and the water level of the hydrochloric acid mist absorption liquid is lower than the highest position of the polyhedral hollow ball packing and lower than the outlet end of the acid mist receiving pipe;
an absorption liquid inlet and an absorption liquid outlet are formed in the side wall of the absorption container, the absorption liquid inlet is higher than the highest position of the polyhedral hollow sphere filler, the absorption liquid outlet is lower than the level of hydrochloric acid mist absorption liquid, a liquid outlet pipe, an absorption liquid circulating pump and a liquid inlet pipe which are sequentially communicated are arranged outside the absorption container, the liquid outlet pipe extends into the absorption container from the absorption liquid outlet, the liquid inlet pipe extends into the absorption container from the absorption liquid inlet, and the end part of the liquid inlet pipe is connected with a spraying joint;
the top of the absorption container is also connected with an exhaust pipe, a secondary absorption barrel is arranged below the tail end of the exhaust pipe, and hydrochloric acid mist absorption liquid is contained in the secondary absorption barrel;
the side of the absorption container is provided with an overflow pipe, the height of the overflow pipe is lower than the outlet end of the acid mist receiving pipe, a mesh plate is installed at the inlet of the overflow pipe, and the aperture of the mesh plate is smaller than the diameter of the multi-surface hollow ball.
Optionally, the absorption vessel is a cylindrical flat-bottomed flat-topped vessel.
Optionally, the top of the absorption container is further provided with a filling port and an observation port, the filling port is connected with a blind plate cover through a flange, and the observation port is connected with a glass sight glass.
Optionally, the overflow pipe comprises a first overflow pipe and a second overflow pipe, wherein the second overflow pipe is lower than the first overflow pipe, and the position of the second overflow pipe is higher than the level of the hydrochloric acid mist absorption liquid.
Optionally, the acid mist receiving pipe is provided with an absorption liquid supplementing valve.
Optionally, a gap is arranged between the tail end of the exhaust pipe and the liquid level of the secondary absorption barrel.
Optionally, the tail end of the exhaust pipe is of an inverted funnel type, and the inverted funnel is in contact with the liquid level of the secondary absorption barrel.
Optionally, feed liquor pipe end connection has the branch pipe of spraying, sprays the branch pipe and fix around absorption vessel inner wall border, spray and be connected with a plurality ofly on the branch pipe spray the joint, spray the even interval setting of joint.
Optionally, the absorption container, and the acid mist receiving pipe, the liquid outlet pipe, the liquid inlet pipe, the exhaust pipe and the overflow pipe connected with the absorption container are all made of reinforced polypropylene.
Optionally, the hydrochloric acid mist absorption liquid is desalted water.
Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:
when the utility model is used, the acid mist volatilized from the hydrochloric acid storage tank is completely guided into the absorption container by the closed pipeline; because the absorption liquid circulating pump works continuously and is matched with the spraying joint, the absorption liquid can be uniformly sprayed in the absorption container and on the multi-surface hollow spheres to form a huge acid mist absorption surface, so that the acid mist can be dissolved in the absorption liquid quickly and can be effectively removed; most acid mist is absorbed by the absorption liquid, and the acid mist possibly remaining is discharged from the exhaust port and enters the secondary absorption barrel arranged along with the exhaust pipe to be fully absorbed secondarily.
When the utility model is used, the acid mist is efficiently absorbed, the discharged gas is clean, and the device, the pipeline and the environment are harmless; the technical problem that acid mist of a hydrochloric acid storage tank of an ion exchange system is difficult to treat in the production and manufacturing process of the Lyocell fiber is effectively solved; effectively solves the problems of clean production and environmental protection in the production and manufacturing process of the Lyocell fiber.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of a partial structure of the middle exhaust pipe of the present invention when the end is an inverted funnel type.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to fig. 1, fig. 2 and specific embodiments.
An embodiment of a device for treating and absorbing hydrochloric acid mist comprises:
a device for treating and absorbing hydrochloric acid mist comprises an absorption container 1 and an acid mist receiving pipe 2 extending into the absorption container 1, wherein the absorption container 1 is of a sealing structure, a multi-surface hollow ball filler 3 and hydrochloric acid mist absorption liquid are contained in the absorption container 1, and the water level of the hydrochloric acid mist absorption liquid is lower than the highest position of the multi-surface hollow ball filler 3 and is lower than the outlet end of the acid mist receiving pipe 2;
an absorption liquid inlet 4 and an absorption liquid outlet 5 are formed in the side wall of the absorption container 1, the absorption liquid inlet 4 is higher than the highest position of the polyhedral hollow ball filler 3, the absorption liquid outlet 5 is lower than the level of hydrochloric acid mist absorption liquid, a liquid outlet pipe 6, an absorption liquid circulating pump 7 and a liquid inlet pipe 8 which are sequentially communicated are arranged outside the absorption container 1, the liquid outlet pipe 6 extends into the absorption container 1 from the absorption liquid outlet 5, the liquid inlet pipe 8 extends into the absorption container 1 from the absorption liquid inlet 4, and the end part of the liquid inlet pipe 8 is connected with a spraying joint 9 so as to increase the spraying area of the absorption liquid;
absorption liquid import 4 and absorption liquid export 5 all adopt reinforcing polypropylene backing ring cooperation FRPP loose flange, FRPP hard tube, FRPP flange ball valve preparation to accomplish, when guaranteeing use intensity, possess corrosion resisting property.
The top of the absorption container 1 is also connected with an exhaust pipe 10, a secondary absorption barrel 11 is arranged below the tail end of the exhaust pipe 10, and hydrochloric acid mist absorption liquid is contained in the secondary absorption barrel 11; acid mist contained in the gas after primary purification is effectively removed, and in order to ensure the completeness of acid mist treatment, the secondary absorption barrel 11 is arranged, so that residual acid mist possibly existing in the discharged gas can be effectively absorbed.
The side of absorption vessel 1 is provided with the overflow pipe, and the overflow pipe highly is less than the exit end of acid mist receiver tube 2, and the overflow pipe adopts FRPP hard tube to be connected to sewage treatment system, prevents that the abnormal conditions liquid level is too high to bury the acid mist release mouth, causes hydrochloric acid storage tank vacuum accident. The inlet of the overflow pipe is provided with a screen plate, and the aperture of the screen plate is smaller than the diameter of the polyhedral hollow ball. The net plate can be made of FRPP welding rods, so that the loss of the multi-face hollow balls is prevented.
The direction of arrow in figure 1 is the acid mist flow direction, in operation, after acid mist enters absorption container 1 through acid mist receiving tube 2, hydrochloric acid mist absorption liquid is conveyed to spray joint 9 through absorption liquid circulating pump 7, hydrochloric acid mist absorption liquid can absorb hydrochloric acid mist dissipated in absorption container 1 from the downward in-process of absorption container 1 eminence, simultaneously, the absorption liquid attached to the multi-surface hollow sphere can also absorb acid mist, the gas after purification is discharged through exhaust pipe 10, in order to guarantee the completeness of acid mist treatment, secondary absorption bucket 11 is provided, and residual acid mist possibly existing in the discharged gas can be effectively absorbed.
As a preferred technical scheme, the absorption container 1 is a cylindrical flat-bottomed flat-topped container. Is convenient to be placed nearby a hydrochloric acid storage tank and is convenient to be put into use.
As a preferable technical scheme, the top of the absorption container 1 is also provided with a filling port 13 and an observation port 14, the filling port 13 is connected with a blind plate cover through a flange, and the observation port 14 is connected with a glass sight glass.
The acid mist receiving pipe 2 is divided into an external connecting pipe and an internal connecting pipe, the external connecting pipe and the internal connecting pipe are connected through a flange at the acid mist inlet, and the top of the absorption container 1 is connected with the exhaust pipe 10 through a flange at the exhaust port.
The filling port 13, the observation port 14, the acid mist access port and the exhaust port are connected by adopting a reinforced polypropylene backing ring matched with an FRPP (glass fiber reinforced polypropylene) loose flange, an FRPP blind plate cover or a glass sight glass. The corrosion resistance is realized while the use strength is ensured.
As a preferable technical scheme, the overflow pipe comprises a first overflow pipe 12 and a second overflow pipe 16, wherein the second overflow pipe 16 is lower than the first overflow pipe 12, and the position of the second overflow pipe 16 is higher than the level of the hydrochloric acid mist absorption liquid.
As a preferred technical scheme, an absorption liquid supplementing valve 15 is arranged on the acid mist receiving pipe 2. The reinforced polypropylene backing ring is matched with the FRPP loose flange, the FRPP hard pipe and the FRPP flange ball valve, so that the use strength is ensured, and the anti-corrosion performance is realized.
As shown in fig. 1, as a preferable technical solution, a gap is provided between the end of the exhaust pipe 10 and the liquid level of the secondary absorption barrel 11. A small amount of hydrochloric acid mist gas in the exhaust pipe 10 can be dissolved in the absorption liquid of the secondary absorption barrel 11, and a gap is arranged between the tail end of the exhaust pipe 10 and the liquid level of the secondary absorption barrel 11, so that suck-back can be effectively prevented.
As shown in fig. 2, as a preferable embodiment, the end of the exhaust pipe 10 is an inverted funnel type, and the inverted funnel is in contact with the liquid surface of the secondary absorption tank 11. The inverted funnel type can increase the contact area of the hydrochloric acid mist gas and the absorption liquid, and is beneficial to the absorption of the absorption liquid on the hydrochloric acid mist gas, when the hydrochloric acid mist gas is absorbed by the absorption liquid, the pressure in the exhaust pipe 10 is reduced, the absorption liquid rises into the funnel, the liquid level in the secondary absorption barrel 11 is lowered due to the large volume of the funnel, the opening of the funnel is separated from the liquid level, and the liquid in the funnel flows back into the secondary absorption barrel 11 under the action of self gravity, so that the suck-back phenomenon is prevented.
As a preferred technical scheme, 8 end connection of feed liquor pipe has the branch pipe of spraying, sprays the branch pipe and fixes around 1 inner wall border of absorption vessel, spray and be connected with a plurality ofly on the branch pipe spray and connect 9, spray and connect 9 even interval settings.
As a preferred technical scheme, the absorption container 1 and pipelines such as an acid mist receiving pipe 2, a liquid outlet pipe 6, a liquid inlet pipe 8, an exhaust pipe 10, an overflow pipe and the like connected with the absorption container are all made of reinforced polypropylene materials. Can effectively avoid the corrosion of hydrochloric acid to the device and prolong the service life of the device.
As a preferable technical scheme, the hydrochloric acid mist absorption liquid is desalted water.
The polyhedral hollow ball in the utility model can adopt a phi 50mm specification, and can effectively increase the absorption area of hydrochloric acid mist; the multi-surface hollow spheres can be made of PP materials, so that the corrosion of hydrochloric acid to the device can be effectively avoided, and the service life of the device is prolonged; the absorption liquid circulating pump 7 can be a self-suction portable corrosion-resistant plastic pump which adopts a 220V direct-current power supply, is convenient, reliable, safe and energy-saving; the inlet and outlet pipelines of the absorption liquid circulating pump 7 can adopt PVC steel wire rubber tubes, and the interfaces adopt a hose clamp quick connection mode, so that the absorption liquid circulating pump is corrosion-resistant, economic and reliable.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (8)
1. The utility model provides a device for handling absorption hydrochloric acid fog, includes absorption vessel and stretches into the acid fog receiving tube in the absorption vessel, its characterized in that: the absorption container is a sealing structure, the absorption container is internally filled with polyhedral hollow ball filler and hydrochloric acid mist absorption liquid, and the water plane of the hydrochloric acid mist absorption liquid is lower than the highest position of the polyhedral hollow ball filler and lower than the outlet end of the acid mist receiving pipe;
an absorption liquid inlet and an absorption liquid outlet are formed in the side wall of the absorption container, the absorption liquid inlet is higher than the highest position of the polyhedral hollow sphere filler, the absorption liquid outlet is lower than the level of hydrochloric acid mist absorption liquid, a liquid outlet pipe, an absorption liquid circulating pump and a liquid inlet pipe which are sequentially communicated are arranged outside the absorption container, the liquid outlet pipe extends into the absorption container from the absorption liquid outlet, the liquid inlet pipe extends into the absorption container from the absorption liquid inlet, and the end part of the liquid inlet pipe is connected with a spraying joint;
the top of the absorption container is also connected with an exhaust pipe, a secondary absorption barrel is arranged below the tail end of the exhaust pipe, and hydrochloric acid mist absorption liquid is contained in the secondary absorption barrel;
the side of the absorption container is provided with an overflow pipe, the height of the overflow pipe is lower than the outlet end of the acid mist receiving pipe, a mesh plate is installed at the inlet of the overflow pipe, and the aperture of the mesh plate is smaller than the diameter of the multi-surface hollow ball.
2. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: the absorption container is a cylindrical flat-bottomed flat-topped container.
3. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: the top of the absorption container is also provided with a filling port and an observation port, the filling port is connected with a blind plate cover through a flange, and the observation port is connected with a glass sight glass.
4. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: the overflow pipe comprises a first overflow pipe and a second overflow pipe, the second overflow pipe is lower than the first overflow pipe, and the position of the second overflow pipe is higher than the horizontal plane of the hydrochloric acid mist absorption liquid.
5. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: and an absorption liquid supplementing valve is arranged on the acid mist receiving pipe.
6. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: a gap is arranged between the tail end of the exhaust pipe and the liquid level of the secondary absorption barrel.
7. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: the tail end of the exhaust pipe is of an inverted funnel type, and the inverted funnel is in contact with the liquid level of the secondary absorption barrel.
8. The apparatus for treating and absorbing hydrochloric acid mist as claimed in claim 1, wherein: feed liquor pipe end connection has the branch pipe that sprays, sprays the branch pipe and fix around absorption vessel inner wall border, spray and be connected with a plurality ofly on the branch pipe spray the joint, spray the even interval setting of joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250321.2U CN214598120U (en) | 2021-01-29 | 2021-01-29 | Device for treating and absorbing hydrochloric acid mist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120250321.2U CN214598120U (en) | 2021-01-29 | 2021-01-29 | Device for treating and absorbing hydrochloric acid mist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214598120U true CN214598120U (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120250321.2U Active CN214598120U (en) | 2021-01-29 | 2021-01-29 | Device for treating and absorbing hydrochloric acid mist |
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| Country | Link |
|---|---|
| CN (1) | CN214598120U (en) |
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2021
- 2021-01-29 CN CN202120250321.2U patent/CN214598120U/en active Active
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