CN219744414U

CN219744414U - Formaldehyde spraying equipment

Info

Publication number: CN219744414U
Application number: CN202223586647.6U
Authority: CN
Inventors: 王健; 张任羽; 余仁杰; 罗祥长; 梁先华; 黄荣国
Original assignee: Ningbo Micro Nano New Material Technology Co ltd
Current assignee: Ningbo Micro Nano New Material Technology Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-09-26
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses formaldehyde spraying equipment, which relates to the technical field of formaldehyde purification, and the formaldehyde spraying equipment comprises a circulating assembly, wherein after atomized water drops sprayed out of the circulating assembly absorb formaldehyde, a treatment liquid containing a certain proportion of formaldehyde is formed, the treatment liquid falls into a collecting barrel downwards, then a circulating pump pumps the treatment liquid in the collecting barrel through a pumping pipe and conveys the treatment liquid into a new liquid conveying pipe through a liquid conveying pipe, the new liquid conveying pipe conveys the treatment liquid to the spraying assembly, the spraying assembly atomizes and sprays the treatment liquid out again, so that the treatment liquid is recycled to absorb formaldehyde, and the treatment liquid finally forms a saturated methanol aqueous solution, thereby improving the water utilization efficiency, repeatedly treating formaldehyde-containing gas for a plurality of times, improving the absorption effect, being beneficial to reducing the cost of purifying formaldehyde, and being beneficial to obtaining formaldehyde aqueous solution with higher concentration and reducing the recycling cost of recycling the formaldehyde aqueous solution for use.

Description

Formaldehyde spraying equipment

Technical Field

The utility model belongs to the technical field of formaldehyde purification, and particularly relates to formaldehyde spraying equipment.

Background

When formaldehyde is absorbed by water, the formaldehyde spray tower in the prior art mostly sprays clean water in the spray tower through an atomization spray nozzle to react with gas, the formaldehyde in the gas is absorbed, the formaldehyde is absorbed to form formaldehyde aqueous solution with a certain proportion of formaldehyde, but the formaldehyde content of the formaldehyde aqueous solution is usually low, the water utilization rate is low, the cost of absorbing and purifying the formaldehyde is increased, and meanwhile, the formaldehyde aqueous solution with low formaldehyde content needs to be purified again when being recycled, and the recycling cost of recycling the formaldehyde aqueous solution is increased by phase change, so that the formaldehyde spray equipment is disclosed.

Disclosure of Invention

In view of at least one problem in the prior art, it is an object of the present utility model to provide a formaldehyde spray apparatus.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model provides a formaldehyde spraying equipment, including the absorption tower, the absorption tower includes by from supreme sealed fixed collecting vat in proper order, filler bucket and gas collecting cover, fixed and the intercommunication has inlet pipe and row material pipe on the collecting vat, fixed and open the intercommunication has the blast pipe on the gas collecting cover, the filler bucket is provided with a plurality ofly, a plurality of filler buckets are fixed in proper order between the collecting vat and gas collecting cover, upper end fixed in the filler bucket has spray assembly, the new liquid conveyer pipe with spray assembly intercommunication is installed to the lateral wall of filler bucket one side, the treatment liquid circulating assembly is installed to absorption tower one side, the treatment liquid circulating assembly includes the circulating pump, take out pipe and liquid pipe, the circulating pump is fixed and the intercommunication in collecting vat one side, the circulating pump other end is fixed and the intercommunication with the water inlet of take out pipe, the both ends of liquid pipe are fixed and the intercommunication with the play water end of new liquid conveyer pipe and take out pipe respectively.

Preferably, the new liquid conveying pipe comprises a connecting pipe and a shunt pipe, one end of the connecting pipe is communicated with the shunt pipe, a plurality of branch pipes fixedly penetrating through the side wall of the filling barrel are arranged at the other end of the shunt pipe, the plurality of branch pipes of the shunt pipe are respectively communicated with the spray assemblies one by one, and the liquid conveying pipe is fixedly communicated with the branch pipes of the shunt pipe.

Preferably, spray the subassembly and include spiral pipe and atomizer, spiral pipe one end is fixed and the intercommunication with the being in charge of shunt tubes, atomizer is provided with a plurality ofly, a plurality of atomizer along spiral pipe lower extreme evenly distributed.

Preferably, the spraying axis of the atomizing spray heads is arranged vertically, and a plurality of atomizing spray heads are arranged in a staggered manner along the lower end of the spiral pipe.

Preferably, the front side of the filling barrel is fixed and communicated with a filling pipe, and the front end of the filling pipe is hinged with a transparent cover body for closing the opening of the filling pipe.

Preferably, the bottom surface of the filling barrel is fixed with a screen plate, and the atomizing nozzle and the spiral pipe are both positioned at the upper part of the filling barrel.

Compared with the prior art, the utility model has the following technical effects:

1. according to the utility model, through the arrangement of the circulating assembly, after atomized water drops are sprayed out by the spraying assembly to absorb formaldehyde, a treatment liquid containing formaldehyde in a certain proportion is formed, the treatment liquid falls into the collecting barrel downwards, then the circulating pump pumps the treatment liquid in the collecting barrel through the pumping pipe and conveys the treatment liquid into the new liquid conveying pipe through the liquid conveying pipe, and the new liquid conveying pipe conveys the treatment liquid to the spraying assembly, the spraying assembly atomizes and sprays the treatment liquid again, so that the treatment liquid is recycled to absorb formaldehyde, and finally a saturated methanol aqueous solution is formed by the treatment liquid, so that the water utilization efficiency is improved, the gas containing formaldehyde is repeatedly treated for a plurality of times, the absorption effect is improved, the cost of purifying formaldehyde is reduced, and meanwhile, the recovery cost of recovering the formaldehyde aqueous solution with higher concentration is reduced.

2. According to the formaldehyde spraying device, the spiral pipe and the atomizing nozzle are matched with each other to form a wider and uniform spraying area, so that the reaction area of the treatment liquid and the water with formaldehyde is increased, the absorption efficiency of the treatment liquid and the water on formaldehyde is improved, and the purification treatment effect of the formaldehyde spraying device is improved.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment;

FIG. 2 is a schematic view showing the structure of a spray module, a new liquid delivery pipe and a treatment liquid circulation module in the present embodiment;

fig. 3 is a schematic diagram of the structure of the packing bucket in the present embodiment.

In the figure: 1. an absorption tower; 11. a collecting barrel; 12. a filler barrel; 121. a screen plate; 13. a gas collecting cover; 14. a filling pipe; 2. a feed pipe; 3. a discharge pipe; 4. an exhaust pipe; 5. a spray assembly; 51. a spiral tube; 52. an atomizing nozzle; 6. a new liquid conveying pipe; 61. a connecting pipe; 62. a shunt; 7. a treatment fluid circulation assembly; 71. a circulation pump; 72. a withdrawal pipe; 73. a liquid feeding pipe.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, shall fall within the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Examples: referring to a formaldehyde spraying device shown in fig. 1-3, the formaldehyde spraying device comprises an absorption tower 1, the absorption tower 1 comprises a collecting barrel 11, a filling barrel 12 and a gas collecting cover 13 which are sequentially and hermetically fixed from bottom to top, a feed pipe 2 and a discharge pipe 3 are fixedly and communicated on the collecting barrel 11, a gas discharging pipe 4 is fixedly and openly communicated on the gas collecting cover 13, a plurality of filling barrels 12 are arranged between the collecting barrel 11 and the gas collecting cover 13, a spraying assembly 5 is fixedly arranged at the upper end in the filling barrel 12, the spraying assembly 5 is used for spraying atomized water drops to absorb formaldehyde, a new liquid conveying pipe 6 communicated with the spraying assembly 5 is arranged on the side wall on one side of the filling barrel 12, a treatment liquid circulating assembly 7 is arranged on one side of the absorption tower 1, the treatment liquid circulating assembly 7 comprises a circulating pump 71, a suction pipe 72 and a liquid conveying pipe 73, the circulating pump 71 is fixedly and communicated with one side of the collecting barrel 11, the other end of the circulating pump 71 is fixedly and communicated with a water inlet of the suction pipe 72, and the two ends of the liquid conveying pipe 73 are respectively fixedly and communicated with the water outlet ends of the new liquid conveying pipe 6 and the suction pipe 72.

Based on the structure, after atomized water drops sprayed by the spraying component 5 absorb formaldehyde, a treatment liquid containing a certain proportion of formaldehyde is formed, the treatment liquid falls into the collecting barrel 11 downwards, then, the treatment liquid in the collecting barrel 11 is pumped out by the circulating pump 71 through the pumping pipe 72 and is conveyed into the new liquid conveying pipe 6 through the liquid conveying pipe 73, and is conveyed to the spraying component 5 by the new liquid conveying pipe 6, the treatment liquid is atomized and sprayed out by the spraying component 5 and is absorbed again, so that the treatment liquid is recycled to finally form a saturated methanol aqueous solution, the water utilization efficiency is improved, the gas containing formaldehyde is repeatedly treated for a plurality of times, the absorption effect is improved, the cost of purifying the formaldehyde is reduced, and meanwhile, the recovery cost of recycling the formaldehyde aqueous solution is reduced.

As shown in fig. 1-2, the new liquid conveying pipe 6 comprises a connecting pipe 61 and a shunt pipe 62, one end of the connecting pipe 61 is communicated with the shunt pipe 62, a plurality of branch pipes fixedly penetrating through the side wall of the filling barrel 12 are arranged at the other end of the shunt pipe 62, the plurality of branch pipes of the shunt pipe 62 are respectively communicated with the spray assemblies 5 one by one, and the liquid conveying pipe 73 is fixedly communicated with the branch pipes of the shunt pipe 62, so that the treatment liquid directly flows into the spray assemblies 5 from the shunt pipe 62, the situation that the treatment liquid is mixed with clean water when passing through the connecting pipe 61 is avoided, and the situation that the purification capacity of a subsequent clean water source is reduced is avoided.

It should be noted that, spray assembly 5 is provided with a plurality of and respectively with a plurality of filling vat 12 one-to-one, the branch pipe of shunt tubes 62 is provided with a plurality of and quantity and spray assembly 5 quantity unanimity, and the branch pipe of shunt tubes 62 distributes from top to bottom in proper order, and the liquid pipe 73 upper end sets up to the shunt tube structure equally, and liquid pipe 73 only communicates with the branch pipe of the lower part in the shunt tubes 62 to guarantee to lie in the upper spray assembly 5 and spray clean water smoke all the time, thereby guarantee this formaldehyde spray equipment's purifying treatment effect.

As shown in fig. 2, the spray assembly 5 includes a spiral pipe 51 and an atomizer 52, the pipe shaft of the spiral pipe 51 is spiral, one end of the spiral pipe 51 is fixed and communicated with the branch pipe of the shunt pipe 62, the atomizer 52 is provided with a plurality of atomizer 52 and evenly distributed along the lower end of the spiral pipe 51, the spray axis of the atomizer 52 is vertically arranged, the atomizer 52 is arranged along the lower end of the spiral pipe 51 in a staggered manner, the spiral pipe 51 and the atomizer 52 are mutually matched to form a wider and even spray area, so that the reaction area of the treatment fluid and the water with formaldehyde is increased, the absorption efficiency of the treatment fluid and the water to the formaldehyde is improved, and the purification treatment effect of the formaldehyde spray equipment is improved.

As shown in fig. 1 and 3, the front side of the filling barrel 12 is fixed and communicated with a filling pipe 14, the front end of the filling pipe 14 is hinged with a transparent cover body for closing the opening of the filling pipe 14, the filling pipe 14 is used for filling reaction raw materials which react with harmful substances in the waste gas into the filling barrel 12 by staff, and meanwhile, the staff can conveniently replace the reaction raw materials and observe the condition in the filling barrel 12; the bottom surface of the filler barrel 12 is fixed with a screen 121, and the atomizing nozzle 52 and the spiral pipe 51 are positioned at the upper part of the filler barrel 12.

It should be further noted that, the connection end of the connection pipe 61 and the shunt pipe 62, the connection end of the liquid feeding pipe 73 and the shunt pipe 62, the connection end of the feed pipe 2, the discharge pipe 3 and the discharge pipe 4 are all provided with electromagnetic valves, the formaldehyde spraying device further includes an external PLC controller (not shown in the figure), the external PLC controller is a programmable controller commonly used in the prior art and suitable for the present embodiment, and the external PLC controller is electrically connected with a plurality of electromagnetic valves and the circulation pump 71, so as to control the electromagnetic valves to cooperate with the circulation pump 71 to complete the recycling operation of the treatment liquid.

The working principle of the utility model is as follows: in daily use, the connecting pipe 61 conveys clean water into the spiral pipe 51 through the shunt pipe 62, the atomizing nozzle 52 atomizes and sprays the water and reacts with formaldehyde-containing gas, so that formaldehyde is dissolved in the water to form formaldehyde treatment liquid with a certain proportion, the formaldehyde treatment liquid falls down into the collecting barrel 11, then the circulating pump 71 pumps the treatment liquid in the collecting barrel 11 through the pumping pipe 72 and conveys the treatment liquid into the new liquid conveying pipe 6 through the liquid conveying pipe 73, the new liquid conveying pipe 6 conveys the treatment liquid to the spraying assembly 5, the spraying assembly 5 atomizes and sprays the treatment liquid and absorbs formaldehyde again, the treatment liquid is recycled to finally form saturated methanol aqueous solution, the water utilization efficiency is improved, the formaldehyde-containing gas is repeatedly treated for a plurality of times, the absorption effect is improved, the cost of purifying the formaldehyde is reduced, and the recovery cost of recycling the formaldehyde aqueous solution with higher concentration is reduced.

Any numerical value recited herein includes all values of the lower and upper values that increment by one unit from the lower value to the upper value, as long as there is a spacing of at least two units between any lower value and any higher value. For example, if it is stated that the number of components or the value of a process variable (e.g., temperature, pressure, time, etc.) is from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, then the purpose is to explicitly list such values as 15 to 85, 22 to 68, 43 to 51, 30 to 32, etc. in this specification as well. For values less than 1, one unit is suitably considered to be 0.0001, 0.001, 0.01, 0.1. These are merely examples that are intended to be explicitly recited in this description, and all possible combinations of values recited between the lowest value and the highest value are believed to be explicitly stated in the description in a similar manner.

Unless otherwise indicated, all ranges include endpoints and all numbers between endpoints. "about" or "approximately" as used with a range is applicable to both endpoints of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30," including at least the indicated endpoints.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional.

Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the inventors regard such subject matter as not be considered to be part of the disclosed subject matter.

Claims

1. The utility model provides a formaldehyde spraying equipment, includes the absorption tower, its characterized in that, the absorption tower includes by from supreme sealed fixed collecting vat in proper order, packing bucket and collecting vessel, fixed and the intercommunication has inlet pipe and row material pipe on the collecting vat, fixed and open the intercommunication has the blast pipe on the collecting vessel, packing bucket is provided with a plurality of packing bucket fixed in proper order between collecting vat and collecting vessel, upper end fixed in the packing bucket has spray assembly, the new liquid conveyer pipe with spray assembly intercommunication is installed to the lateral wall of packing bucket one side, the treatment liquid circulating assembly is installed to absorption tower one side, the treatment liquid circulating assembly includes circulating pump, extraction tube and liquid delivery pipe, circulating pump and collecting vessel one side are fixed and are linked together, the circulating pump other end is fixed and are linked together with the water inlet of extraction tube, the both ends of liquid delivery pipe are fixed and are linked together with the play water end of new liquid conveyer pipe and extraction tube respectively.

2. A formaldehyde spray apparatus as claimed in claim 1, wherein: the new liquid conveying pipe comprises a connecting pipe and a shunt pipe, one end of the connecting pipe is communicated with the shunt pipe, a plurality of branch pipes fixedly penetrating through the side wall of the filling barrel are arranged at the other end of the shunt pipe, the plurality of branch pipes of the shunt pipe are respectively communicated with the spray assemblies one by one, and the liquid conveying pipe is fixedly communicated with the branch pipes of the shunt pipe.

3. A formaldehyde spray apparatus as claimed in claim 2, wherein: the spray assembly comprises a spiral pipe and an atomization nozzle, one end of the spiral pipe is fixed to and communicated with the branch pipe of the shunt pipe, and the atomization nozzle is provided with a plurality of spray nozzles which are evenly distributed along the lower end of the spiral pipe.

4. A formaldehyde spray apparatus as claimed in claim 3, wherein: the spray axis of atomizer is vertical to be set up, and a plurality of atomizer is along crisscross setting of spiral pipe lower extreme.

5. A formaldehyde spray apparatus as claimed in claim 1, wherein: the front side of the filling barrel is fixed and communicated with a filling pipe, and the front end of the filling pipe is hinged with a transparent cover body for closing the opening of the filling pipe.

6. The formaldehyde spray apparatus of claim 4 wherein: the bottom surface of the filling barrel is fixedly provided with a screen plate, and the atomizing nozzle and the spiral pipe are both positioned at the upper part of the filling barrel.