CN211078525U

CN211078525U - High concentration formaldehyde conversion device

Info

Publication number: CN211078525U
Application number: CN202020700923.9U
Authority: CN
Inventors: 洪祖喜; 陈静; 牛江涛
Original assignee: Shanghai Environmental Protection Co ltd
Current assignee: Shanghai Environmental Protection Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-24
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a high-concentration formaldehyde conversion device, which comprises a first reaction tank and a second reaction tank which are fixedly connected; the reaction tank I comprises a safety breather valve I, a thermometer I and a stirrer I, the safety breather valve I and the stirrer I are arranged at the top end of the reaction tank I, the stirrer I is connected with a stirring shaft I arranged in the reaction tank I, and the thermometer I extends into the reaction tank I; the reaction tank II comprises a safety breather valve II, a thermometer II and a stirring machine II, the safety breather valve II and the stirring machine II are arranged on the top end of the reaction tank II, the stirring machine II is connected with a stirring shaft II arranged in the reaction tank II, and the thermometer II extends into the reaction tank II. The formaldehyde is converted by the reaction tank I and the reaction tank II, the reaction tank I and the reaction tank II alternately operate, the alternate period is 7 days, the temperatures of the reaction tank I and the reaction tank II are detected by the thermometer I and the thermometer II to judge the reaction temperature, and meanwhile, waste gas generated in the conversion process of the safety breather valve I and the safety breather valve II is discharged.

Description

High concentration formaldehyde conversion device

Technical Field

The utility model belongs to the technical field of sewage treatment, a high concentration formaldehyde conversion device particularly.

Background

Formaldehyde, a colorless irritant gas, is also known as formil. It has stimulating effect on eyes and nose. In the technical field of sewage treatment, when the concentration of formaldehyde in water reaches 50-100 ppm, microorganisms can be killed, and the biochemical treatment effect is influenced.

For low-concentration formaldehyde, oxidizing by adopting an oxidizing agent or directly carrying out biochemical treatment; for high-concentration formaldehyde, at present, the high-concentration formaldehyde is mostly treated as hazardous waste, or polysaccharide reaction is adopted to convert the formaldehyde into saccharides and then the saccharides are subjected to biochemical treatment. The existing formaldehyde treatment equipment is difficult to meet the requirements.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem that the prior formaldehyde treatment equipment is difficult to realize the automatic conversion of formaldehyde.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a high-concentration formaldehyde conversion device, which comprises a first reaction tank and a second reaction tank which are fixedly connected;

the reaction tank I comprises a safety breather valve I, a thermometer I and a stirrer I, the safety breather valve I and the stirrer I are arranged at the top end of the reaction tank I, the stirrer I is connected with a stirring shaft I arranged in the reaction tank I, and the thermometer I extends into the reaction tank I;

the reaction tank II comprises a safety breather valve II, a thermometer II and a stirrer II, the safety breather valve II and the stirrer II are arranged on the top end of the reaction tank II, the stirrer II is connected with a stirring shaft II arranged in the reaction tank II, and the thermometer II extends into the reaction tank II.

Preferably, the first reaction tank is provided with a first discharge pipe and a first feeding pipe, and the bottom of the first reaction tank is provided with a first emptying pipe.

Preferably, the reaction tank II is provided with a discharge pipe II and a feeding pipe II, and the bottom of the reaction tank I is provided with a vent pipe II.

Preferably, a spiral heating coil I is arranged on the outer wall of the reaction tank, the heating coil I is communicated with a first air outlet pipe and a first air inlet pipe, and the first air outlet pipe and the first air inlet pipe are fixed on the outer wall of the reaction tank.

Preferably, the outer wall of the reaction tank is provided with a spiral heating coil II, the heating coil II is communicated with a second air outlet pipe and a second air inlet pipe, and the second air outlet pipe and the second air inlet pipe are fixed on the outer wall of the reaction tank.

Preferably, the first stirring shaft and the second stirring shaft are both provided with double-layer stirring blades.

3. Advantageous effects

The utility model relates to a high-concentration formaldehyde conversion device, which comprises a first reaction tank and a second reaction tank which are fixedly connected; the reaction tank I comprises a safety breather valve I, a thermometer I and a stirrer I, the safety breather valve I and the stirrer I are arranged at the top end of the reaction tank I, the stirrer I is connected with a stirring shaft I arranged in the reaction tank I, and the thermometer I extends into the reaction tank I; the reaction tank II comprises a safety breather valve II, a thermometer II and a stirring machine II, the safety breather valve II and the stirring machine II are arranged on the top end of the reaction tank II, the stirring machine II is connected with a stirring shaft II arranged in the reaction tank II, and the thermometer II extends into the reaction tank II. The formaldehyde is converted by the first reaction tank and the second reaction tank, the first reaction tank and the second reaction tank alternately operate, the alternate period is 7 days, in the conversion process, the temperatures of the first reaction tank and the second reaction tank are detected by the first thermometer and the second thermometer to judge the reaction temperature, and meanwhile, the waste gas generated in the conversion process is discharged by the first safety breather valve and the second safety breather valve.

Drawings

FIG. 1 is a top view of a high concentration formaldehyde conversion apparatus of the present invention;

fig. 2 is a schematic structural diagram of a high-concentration formaldehyde conversion device of the present invention.

The reference numerals in the schematic drawings illustrate:

1. a second air outlet pipe; 2. a second discharge pipe; 3. a first air outlet pipe; 4. a first discharge pipe; 5. a second emptying pipe; 6. a first emptying pipe; 7. a first air inlet pipe; 8. a feeding pipe I; 9. a feeding pipe II; 10. a second air inlet pipe; 111. a first safety breather valve; 112. a second safety breather valve; 120. a first reaction tank; 121. a first thermometer; 122. a second thermometer; 130. a second reaction tank; 131. a first stirrer; 132. a second stirrer; 141. a first heating coil; 142. and a second heating coil.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" 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 as used herein are for illustrative purposes only.

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 invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to the attached drawings 1-2, the high-concentration formaldehyde conversion device of the embodiment is characterized in that: comprises a first reaction tank 120 and a second reaction tank 130 which are fixedly connected;

the reaction tank I120 comprises a safety breather valve I111, a thermometer I121 and a stirrer I131, the safety breather valve I111 and the stirrer I131 are arranged at the top end of the reaction tank I120, the stirrer I131 is connected with a stirring shaft I arranged in the reaction tank I120, the thermometer I121 extends into the reaction tank I120, and the safety pressure value of the safety breather valve I111 is 100-300 p;

the second reaction tank 130 comprises a second safety breather valve 112, a second thermometer 122 and a second stirrer 132, the second safety breather valve 112 and the second stirrer 132 are arranged at the top end of the second reaction tank 130, the second stirrer 132 is connected with a second stirring shaft arranged in the second reaction tank 130, the second thermometer 122 extends into the second reaction tank 130, and the safety pressure value of the second safety breather valve 112 is 100-300 p. In the conversion device of the embodiment, formaldehyde is converted through the first reaction tank 120 and the second reaction tank 130, the first reaction tank 120 and the second reaction tank 130 alternately operate, the alternate period is 7 days, in the conversion process, the first thermometer 121 and the second thermometer 122 detect the temperatures of the first reaction tank 120 and the second reaction tank 130 to judge the reaction temperature, and meanwhile, the first safety breather valve 111 and the second safety breather valve 112 discharge waste gas generated in the conversion process.

The first reaction tank 120 of the embodiment is provided with a first discharge pipe 4 and a first feeding pipe 8, and the bottom of the first reaction tank 120 is provided with a first vent pipe 6.

The second reaction tank 130 of the present embodiment is provided with a second discharge pipe 2 and a second feeding pipe 9, and the bottom of the first reaction tank 120 is provided with a second vent pipe 5.

The outer wall of the first reaction tank 120 of the embodiment is provided with a spiral first heating coil 141, the first heating coil 141 is communicated with a first air outlet pipe 3 and a first air inlet pipe 7, and the first air outlet pipe 3 and the first air inlet pipe 7 are fixed on the outer wall of the first reaction tank 120. The first heating coil 141 is used for heating the first reaction tank 120, so that the formaldehyde conversion is carried out at the optimal reaction temperature.

The outer wall of the second reaction tank 130 of the embodiment is provided with a spiral heating coil II 142, the heating coil II 142 is communicated with a second outlet pipe 1 and a second inlet pipe 10, and the second outlet pipe 1 and the second inlet pipe 10 are fixed on the outer wall of the second reaction tank 130. The second heating coil 142 is used for heating the second reaction tank 130, so that the formaldehyde conversion is carried out at the optimal reaction temperature.

The first stirring shaft and the second stirring shaft of the embodiment are both provided with double-layer stirring blades

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A high concentration formaldehyde conversion device which is characterized in that: comprises a first reaction tank (120) and a second reaction tank (130) which are fixedly connected;

the reaction tank I (120) comprises a safety breather valve I (111), a thermometer I (121) and a stirrer I (131), the safety breather valve I (111) and the stirrer I (131) are arranged at the top end of the reaction tank I (120), the stirrer I (131) is connected with a stirring shaft I arranged in the reaction tank I (120), and the thermometer I (121) extends into the reaction tank I (120);

the second reaction tank (130) comprises a second safety breather valve (112), a second thermometer (122) and a second stirrer (132), the second safety breather valve (112) and the second stirrer (132) are arranged at the top end of the second reaction tank (130), the second stirrer (132) is connected with a second stirring shaft arranged in the second reaction tank (130), and the second thermometer (122) extends into the second reaction tank (130).

2. The high-concentration formaldehyde conversion device according to claim 1, wherein: the reaction tank I (120) is provided with a material discharging pipe I (4) and a material feeding pipe I (8), and the bottom of the reaction tank I (120) is provided with a vent pipe I (6).

3. The high-concentration formaldehyde conversion device according to claim 1, wherein: and the second reaction tank (130) is provided with a second discharge pipe (2) and a second feeding pipe (9), and the bottom of the first reaction tank (120) is provided with a second emptying pipe (5).

4. The high-concentration formaldehyde conversion device according to claim 1, wherein: the outer wall of the first reaction tank (120) is provided with a spiral heating coil pipe (141), the heating coil pipe (141) is communicated with a first air outlet pipe (3) and a first air inlet pipe (7), and the first air outlet pipe (3) and the first air inlet pipe (7) are fixed on the outer wall of the first reaction tank (120).

5. The high-concentration formaldehyde conversion device according to claim 1, wherein: the outer wall of the second reaction tank (130) is provided with a spiral heating coil pipe II (142), the heating coil pipe II (142) is communicated with a second air outlet pipe (1) and a second air inlet pipe (10), and the second air outlet pipe (1) and the second air inlet pipe (10) are fixed on the outer wall of the second reaction tank (130).

6. The high-concentration formaldehyde conversion device according to claim 1, wherein: and the first stirring shaft and the second stirring shaft are both provided with double-layer stirring blades.