Precise filter for producing formaldehyde solution

Abstract

The utility model discloses a precision filter for formaldehyde solution production, which belongs to the technical field of filters, and comprises a bottom plate, a formaldehyde reaction tank, a material tank and a purification tank are respectively and fixedly arranged on the bottom plate, the front surface of the purification tank is communicated with an air inlet pipe, and one end of the air inlet pipe is communicated with an electrostatic dust collection frame; according to the utility model, air can enter the purification tank after being subjected to electrostatic filtration at the electrostatic dust collection frame through the air suction power of the suction fan, and during the period, the liquid conveying pipe extracts the purification liquid in the purification liquid tank under the pump power of the liquid conveying pump and conveys the purification liquid into the spraying pipe, and the purification liquid is sprayed into the purification tank from the nozzle on the spraying pipe; according to the air purification device, air entering from the air inlet pipe at the bottom of the purification tank is sprayed and purified in the rising process, so that the sucked air can be chemically purified, chemical substances mixed in the air can be removed, the effect of chemically filtering the air is achieved, the filtering precision is improved, meanwhile, the fault tolerance of the processing environment is also expanded, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and specifically relates to a precision filter for the production of formaldehyde solution. Background Art

[0002] Precision filter (also known as security filter), the shell is generally made of stainless steel, and the internal tubular filter element is made of PP melt-blown, wire-sintered, folded, titanium filter element, activated carbon filter element, etc. as the filter element. Different filter elements are selected according to different filter media and design processes to meet the requirements of effluent water quality. It is used for solid-liquid separation of various suspensions, high environmental requirements, and high filtration precision liquid filtration. It has a wide range of applications and is suitable for industrial fields such as medicine, food, chemical industry, environmental protection, and water treatment.

[0003] Chinese patent publication number CN215462547U discloses a precision filter for the production of formaldehyde solution, which includes a support plate, a fine filter assembly, a first U-shaped tube, a second U-shaped tube, a pump and an air pump, etc. The filter mainly filters particles in the air by electrostatic and precision filtration to meet the processing requirements of the formaldehyde solution. However, formaldehyde processing is usually carried out in an industrial environment, and some chemical substances that are difficult to filter physically may remain in the air, which will also affect the processing quality of the formaldehyde solution during the reaction process. Therefore, a precision filter for the production of formaldehyde solution is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a precision filter for the production of formaldehyde solution to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precision filter for formaldehyde solution production, comprising a base plate, on which a formaldehyde reaction tank, a material tank and a purification tank are fixedly arranged respectively, the front of the purification tank is connected with an air inlet pipe, one end of the air inlet pipe is connected with an electrostatic dust removal frame, the interior of the purification tank is fixedly connected with a nozzle, the nozzle is connected with a nozzle, a purification liquid tank is fixedly connected to the base plate, the upper surface of the purification liquid tank is connected with an infusion tube, one end of the infusion tube passes through and is fixedly connected to one side of the purification tank and extends to the interior of the purification tank, one end of the infusion tube is connected with the nozzle, an infusion pump is arranged on the infusion tube, a precision filtering component is connected with the upper surface of the purification tank, a suction fan is fixedly arranged on the top of the precision filtering component, the air outlet of the suction fan is connected with an air collecting hood, one end of the air collecting hood is connected with an air supply pipe, and one end of the air supply pipe is connected to the formaldehyde reaction tank.

[0006] By setting the above structure, the suction power of the suction fan can make the air enter the purification tank after electrostatic filtration from the electrostatic dust removal frame. During this period, the infusion tube draws the purification liquid in the purification liquid tank under the pump power of the infusion pump and transports it to the nozzle, and sprays it into the purification tank from the nozzle on the nozzle, so that the air entering from the bottom of the purification tank from the air inlet pipe is sprayed and purified during the rising process, and then the inhaled air can be chemically purified to remove the mixed chemical substances therein, so as to achieve the effect of chemical filtration, improve the precision of the filtration, and also expand the fault tolerance of the processing environment, and it is more practical.

[0007] As a preferred embodiment, the back side of the purification tank is connected with a circulation pipe, and the top end of the circulation pipe is connected with one end of the spray pipe.

[0008] As a preferred embodiment, a section of the circulation pipe is provided with a purified liquid filtering device, and a circulation pump is provided on the circulation pipe.

[0009] As a preferred embodiment, one side of the purification tank is connected to a liquid outlet pipe, and a liquid outlet pump is provided on the liquid outlet pipe.

[0010] By setting up a circulation pipe, the circulation pipe can return the settled purified liquid at the bottom of the purification tank to the nozzle for spraying under the power of the circulation pump. During this period, the purified liquid in the circulation pipe will be filtered by the purification liquid filter device, thereby achieving the effect of its recycling, which is helpful to save materials and continuous processing of the machine body.

[0011] As a preferred implementation, a control mechanism is fixedly provided on one side of the formaldehyde reaction tank.

[0012] As a preferred implementation, the material tank is connected to the formaldehyde reaction tank via a connecting pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model, by setting the above structure, can make the air enter the purification tank after electrostatic filtration from the electrostatic dust removal frame through the suction power of the suction fan, during which the infusion tube draws the purification liquid in the purification liquid tank under the pump power of the infusion pump and transports it to the nozzle, and sprays it into the purification tank from the nozzle on the nozzle, so that the air entering from the bottom of the purification tank from the air inlet pipe is sprayed and purified in the process of rising, and then the inhaled air can be chemically purified to remove the mixed chemical substances therein, so as to achieve the effect of chemical filtration, improve the precision of the filtration, and also expand the fault tolerance of the processing environment, and has strong practicality.

[0015] The utility model provides a circulation pipe, which can return the settled purified liquid at the bottom of the purification tank to the spray pipe for spraying under the power of a circulation pump. During the period, the purified liquid in the circulation pipe will be filtered by the purification liquid filtering device, thereby achieving the effect of recycling, which is helpful to save materials and continuous processing of the machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the nozzle of the utility model;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model from a side view;

[0019] Figure 4 It is a schematic diagram of the rear-view stereoscopic structure of the utility model.

[0020] In the figure: 1. bottom plate; 2. formaldehyde reaction tank; 3. material tank; 4. purification tank; 5. air inlet pipe; 6. electrostatic dust removal frame; 7. nozzle; 8. nozzle; 9. purification liquid tank; 10. infusion tube; 11. infusion pump; 12. precision filtration component; 13. suction fan; 14. wind collecting hood; 15. air supply pipe; 16. circulation pipe; 17. purification liquid filtration device; 18. circulation pump; 19. liquid outlet pipe; 20. control mechanism; 21. connecting pipe; 22. liquid outlet pump. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the embodiments.

[0022] The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

[0023] See also Figure 1-4The utility model provides a precision filter for the production of formaldehyde solution, comprising a bottom plate 1, on which a formaldehyde reaction tank 2, a material tank 3 and a purification tank 4 are fixedly arranged respectively, an air intake pipe 5 is connected to the front of the purification tank 4, one end of the air intake pipe 5 is connected to an electrostatic dust removal frame 6, a nozzle 7 is fixedly connected to the inside of the purification tank 4, a nozzle 8 is connected to the nozzle 7, a purification liquid tank 9 is fixedly connected to the bottom plate 1, an infusion tube 10 is connected to the upper surface of the purification liquid tank 9, one end of the infusion tube 10 penetrates and is fixedly connected to one side of the purification tank 4 and extends to the inside of the purification tank 4, one end of the infusion tube 10 is connected to the nozzle 7, an infusion pump 11 is arranged on the infusion tube 10, a precision filtering component 12 is connected to the upper surface of the purification tank 4, a suction fan 13 is fixedly arranged on the top of the precision filtering component 12, and the suction fan The air outlet of 13 is connected to an air collecting hood 14, one end of the air collecting hood 14 is connected to an air supply pipe 15, one end of the air supply pipe 15 is connected to the formaldehyde reaction tank 2. By setting the above structure, the air can be electrostatically filtered from the electrostatic dust removal frame 6 through the suction power of the suction fan 13 and then enter the purification tank 4. During this period, the infusion tube 10 draws the purified liquid in the purified liquid tank 9 under the pump power of the infusion pump 11 and transports it to the nozzle 7, and sprays it into the purification tank 4 from the nozzle 8 on the nozzle 7, so that the air entering from the bottom of the purification tank 4 from the air inlet pipe 5 is sprayed and purified during the rising process, so that the inhaled air can be chemically purified to remove the mixed chemical substances therein, so as to achieve the effect of chemical filtration, improve the precision of its filtration, and also expand the fault tolerance of its processing environment, and it is more practical.

[0024] The back side of the purification tank 4 is connected with a circulation pipe 16 , and the top end of the circulation pipe 16 is connected with one end of the nozzle 7 .

[0025] A section of the circulation pipe 16 is provided with a purified liquid filtering device 17 , and a circulation pump 18 is provided on the circulation pipe 16 .

[0026] One side of the purification tank 4 is connected to a liquid outlet pipe 19, on which a liquid outlet pump 22 is provided. By providing a circulation pipe 16, the circulation pipe 16 can return the settled purified liquid at the bottom of the purification tank 4 to the nozzle 7 for spraying under the power of the circulation pump 18. During this period, the purified liquid in the circulation pipe 16 will be filtered by the purified liquid filter device 17, thereby achieving the effect of its recycling, which is helpful to save materials and continuous processing of the machine body.

[0027] A control mechanism 20 is fixedly disposed on one side of the formaldehyde reaction tank 2 .

[0028] The material tank 3 is connected to the formaldehyde reaction tank 2 via a connecting pipe 21 .

[0029] The working principle and use process of the utility model are as follows: first, the suction power of the suction fan 13 can make the air enter the purification tank 4 after electrostatic filtration from the electrostatic dust removal frame 6. During this period, the infusion tube 10 draws the purified liquid in the purified liquid tank 9 under the pump power of the infusion pump 11 and transports it to the nozzle 7, and sprays it into the purification tank 4 from the nozzle 8 on the nozzle 7, so that the air entering from the bottom of the purification tank 4 from the air inlet pipe 5 is sprayed and purified during the rising process, so that the inhaled air can be chemically purified to remove the mixed chemical substances therein. In addition, by setting a circulation pipe 16, the circulation pipe 16 can return the settled purified liquid at the bottom of the purification tank 4 to the nozzle 7 for spraying under the power of the circulation pump 18. During this period, the purified liquid in the circulation pipe 16 will be filtered by the purified liquid filter device 17, so as to achieve the effect of its recycling.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A precision filter for producing formaldehyde solution, comprising a bottom plate (1), characterized in that: The bottom plate (1) is respectively fixedly provided with a formaldehyde reaction tank (2), a material tank (3) and a purification tank (4); the front of the purification tank (4) is connected with an air intake pipe (5); one end of the air intake pipe (5) is connected with an electrostatic dust removal frame (6); the interior of the purification tank (4) is fixedly connected with a nozzle (7); the nozzle (7) is connected with a nozzle head (8); the bottom plate (1) is fixedly connected with a purification liquid tank (9); the upper surface of the purification liquid tank (9) is connected with an infusion pipe (10); one end of the infusion pipe (10) passes through and is fixedly connected to the purification tank. (4) and extends to the interior of the purification tank (4), one end of the infusion tube (10) is connected to the nozzle (7), an infusion pump (11) is arranged on the infusion tube (10), the upper surface of the purification tank (4) is connected to a precision filter assembly (12), a suction fan (13) is fixedly arranged at the top of the precision filter assembly (12), the air outlet of the suction fan (13) is connected to an air collecting hood (14), one end of the air collecting hood (14) is connected to an air supply pipe (15), and one end of the air supply pipe (15) is connected to the formaldehyde reaction tank (2).

2. A precision filter for formaldehyde solution production according to claim 1, characterized in that: The back side of the purification tank (4) is connected to a circulation pipe (16), and the top end of the circulation pipe (16) is connected to one end of the spray pipe (7).

3. A precision filter for formaldehyde solution production according to claim 2, characterized in that: A section of the circulation pipe (16) is provided with a purified liquid filtering device (17), and a circulation pump (18) is provided on the circulation pipe (16).

4. The precision filter for producing formaldehyde solution according to claim 1, characterized in that: One side of the purification tank (4) is connected to a liquid outlet pipe (19), and a liquid outlet pump (22) is provided on the liquid outlet pipe (19).

5. The precision filter for producing formaldehyde solution according to claim 1, characterized in that: A control mechanism (20) is fixedly arranged on one side of the formaldehyde reaction tank (2).

6. The precision filter for producing formaldehyde solution according to claim 1, characterized in that: The material tank (3) is connected to the formaldehyde reaction tank (2) via a connecting pipe (21).

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