CN216964550U - Energy-efficient response device is used in production of formaldehyde solution - Google Patents
Energy-efficient response device is used in production of formaldehyde solution Download PDFInfo
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- CN216964550U CN216964550U CN202121165864.0U CN202121165864U CN216964550U CN 216964550 U CN216964550 U CN 216964550U CN 202121165864 U CN202121165864 U CN 202121165864U CN 216964550 U CN216964550 U CN 216964550U
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Abstract
A high-efficiency energy-saving reaction device for producing a formaldehyde solution comprises a box body, an impurity discharge pipe, an air outlet shell, an air pipe, an air inlet shell, a liquid inlet pipe, a plurality of heat conduction pipes, a liquid conveying pipe and an evaporation cylinder; a liquid storage bin, a first mounting bin and a second mounting bin are arranged in the box body; the liquid inlet pipe is connected with the box body and communicated with the interior of the liquid storage bin; the evaporation cylinder is connected with the inner wall of the second mounting bin to divide the interior of the second mounting bin into an outer heating bin and an inner evaporation bin; a plurality of heating devices are arranged in the heating bin; the evaporation bin is communicated with the liquid storage bin through a liquid conveying pipe, and the bottom surface of the evaporation bin is provided with a impurity discharging pipe; the air outlet shell and the air inlet shell are connected with the outer end face of the box body and respectively form an air outlet bin and an air inlet bin; the air outlet bin is provided with an exhaust pipe on the air outlet shell; the air inlet bin is communicated with the evaporation bin through an air pipe; the heat conduction pipes are connected with the inner wall of the liquid storage bin and are respectively communicated with the air inlet bin and the air outlet bin. The utility model is convenient to use and can recycle the high temperature carried by formaldehyde gas.
Description
Technical Field
The utility model relates to the technical field of formaldehyde production, in particular to high-efficiency energy-saving reaction equipment for producing a formaldehyde solution.
Background
The formaldehyde belongs to a popular chemical product with wide application, simple production process and sufficient raw material supply. Is the main stem of a downstream product tree of methanol, the annual output of the world is about 2500 million tons, and about 30 percent of methanol is used for producing formaldehyde. The production process of the formaldehyde solution is generally that after formaldehyde is produced, the formaldehyde solution is absorbed by a spray tower; the formaldehyde is prepared from methanol and a catalyst at a high temperature, but in the preparation process of the formaldehyde, high-temperature formaldehyde gas directly enters a spray tower, so that the waste of heat energy carried by the formaldehyde gas is caused, and the energy is not saved.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
The utility model provides high-efficiency energy-saving reaction equipment for producing formaldehyde solution, which is convenient to use, can recycle high temperature carried by formaldehyde gas and can efficiently and quickly prepare the formaldehyde gas.
(II) technical scheme
The utility model provides efficient energy-saving reaction equipment for producing a formaldehyde solution, which comprises a box body, an impurity discharging pipe, an air outlet shell, an air pipe, an air inlet shell, a liquid inlet pipe, a plurality of heat conducting pipes, a liquid conveying pipe and an evaporation cylinder, wherein the impurity discharging pipe is arranged in the box body;
a plurality of support columns are uniformly arranged on the lower end face of the box body, and a second partition plate and a first partition plate are arranged in the box body; the second partition plate and the first partition plate are distributed side by side along the central axis direction of the box body and are used for sequentially dividing the interior of the box body into a liquid storage bin, a first mounting bin and a second mounting bin from top to bottom;
the liquid inlet pipe is connected with the box body and communicated with the interior of the liquid storage bin; the liquid storage bin is provided with a first liquid outlet hole on the second clapboard; the evaporation cylinder is connected with the first partition plate and the inner wall of the second installation bin and is used for dividing the interior of the second installation bin into an outer heating bin and an inner evaporation bin; a plurality of heating devices are arranged in the heating bin; the evaporation bin is provided with a first liquid inlet hole and a first gas outlet hole on the first clapboard; the infusion tube is positioned in the second mounting bin, two ends of the infusion tube are respectively connected with the first liquid inlet hole and the first liquid outlet hole, and the infusion tube is provided with a first control valve; the impurity discharging pipe is connected with the bottom surface of the box body and communicated with the evaporation bin;
the air outlet shell is connected with the outer end face of the box body, and an air outlet bin is defined by the inner wall of the air outlet shell and the outer end face of the box body; the air outlet bin is provided with an exhaust pipe on the air outlet shell; the exhaust pipe, the liquid inlet pipe and the impurity discharge pipe are all provided with a third control valve; the air inlet shell is connected with the outer end face of the box body, which is far away from the air outlet shell, and the inner wall of the air inlet shell and the outer end face of the box body enclose an air inlet bin; the air inlet bin is provided with an air inlet hole on the air inlet shell; the two ends of the air pipe are respectively connected with the air inlet hole and the air outlet hole, and a second control valve is arranged on the air pipe;
the heat conduction pipes are distributed side by side and are all connected with the inner wall of the liquid storage bin; the heat conduction pipes are respectively communicated with the air inlet bin and the air outlet bin.
Preferably, the outer end face of the box body is provided with a pressure gauge for monitoring the air pressure in the evaporation bin.
Preferably, the evaporation cylinder is made of transparent materials; a transparent plate is embedded on the box body.
Preferably, the bottom surface of the evaporation bin is inclined downwards towards the central axis direction of the impurity discharging pipe.
Preferably, the end face of the second partition plate positioned in the liquid storage bin is inclined downwards along the central axis direction of the first liquid outlet hole.
Preferably, the heating bin is provided with heat insulating layers on the inner walls of the first partition plate and the box body.
Preferably, the liquid inlet port of the liquid inlet pipe and the gas outlet port of the gas exhaust pipe are both provided with flanges.
Preferably, the device also comprises a feeding pipe; one end of the feeding pipe is provided with a sealing cover, and the other end of the feeding pipe is connected with the box body and communicated with the evaporation bin.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
when the device is used, methanol liquid is heated in the liquid storage bin from the liquid inlet pipe, and a certain amount of copper catalyst is added into the methanol liquid; opening the first control valve, and allowing the formaldehyde solution in the liquid storage bin to enter the evaporation bin; a plurality of heating devices operate and heat to heat the methanol solution and the copper catalyst in the evaporation bin, a second control valve is started, and the formaldehyde gas in the evaporation bin enters the gas inlet bin along the gas pipe; the high-temperature formaldehyde gas enters a plurality of heat conduction pipes to preheat the methanol solution in the liquid storage bin; microthermal formaldehyde gas gets into out the gas storehouse in, finally emits into formaldehyde absorption tower from the blast pipe, easy operation convenient to use, preparation efficiency that can effectual improvement formaldehyde solution, when can be to preparation formaldehyde gas, the high temperature that formaldehyde gas carried utilizes to preheat methanol solution, improved the utilization ratio of heat energy.
Drawings
FIG. 1 and FIG. 2 are schematic structural diagrams of an efficient and energy-saving reaction device for producing formaldehyde solution according to the present invention.
FIG. 3 is a sectional view of an efficient and energy-saving reaction apparatus for producing formaldehyde solution according to the present invention.
FIG. 4 is a partially enlarged view of the position A of the high-efficiency energy-saving reaction equipment for producing the formaldehyde solution.
Reference numerals: 1. a box body; 2. a support column; 3. a trash removal pipe; 4. an air outlet shell; 41. a gas outlet bin; 5. a pressure gauge; 6. an air tube; 61. a second control valve; 7. an air inlet housing; 71. an air inlet bin; 8. a liquid inlet pipe; 9. a control box; 10. an exhaust pipe; 11. a third control valve; 12. a flange plate; 13. a first separator; 14. a liquid storage bin; 15. a heat conducting pipe; 16. a transfusion tube; 161. a first control valve; 17. an evaporation cylinder; 171. an evaporation bin; 18. a second separator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the efficient energy-saving reaction equipment for producing formaldehyde solution provided by the utility model comprises a box body 1, an impurity discharge pipe 3, an air outlet shell 4, an air pipe 6, an air inlet shell 7, a liquid inlet pipe 8, a plurality of heat conduction pipes 15, an infusion pipe 16 and an evaporation cylinder 17;
a plurality of support columns 2 are uniformly arranged on the lower end surface of the box body 1, and a second partition plate 18 and a first partition plate 13 are arranged in the box body 1;
the second partition plate 18 and the first partition plate 13 are distributed side by side along the central axis direction of the box body 1 and are used for sequentially dividing the interior of the box body 1 into a liquid storage bin 14, a first installation bin and a second installation bin from top to bottom;
the liquid inlet pipe 8 is connected with the box body 1 and is communicated with the interior of the liquid storage bin 14; it should be noted that the liquid storage bin 14 is provided with a second liquid inlet hole on the upper end surface or the side end surface of the box body 1, the liquid outlet pipe mouth of the liquid inlet pipe 8 is connected with the second liquid inlet hole, and the liquid inlet pipe 8 is connected with an external device for conveying methanol solution;
the liquid storage bin 14 is provided with a first liquid outlet hole on the second clapboard 18;
the evaporation cylinder 17 is connected with the first partition plate 13 and the inner wall of the second installation bin, and the evaporation cylinder 17 is used for dividing the interior of the second installation bin into an outer heating bin and an inner evaporation bin 171;
it should be noted that the outer wall of the evaporation cylinder 17, the first partition plate 13 and the inner wall of the second installation bin enclose a heating bin; a plurality of heating devices are arranged in the heating bin;
the inner wall of the evaporation cylinder 17, the first partition plate 13 and the inner wall of the second installation bin enclose an evaporation bin 171; the evaporation bin 171 is provided with a first liquid inlet hole and a first gas outlet hole on the first partition plate 13;
the infusion tube 16 is positioned in the second mounting bin, two ends of the infusion tube 16 are respectively connected with the first liquid inlet hole and the first liquid outlet hole, and the infusion tube 16 is provided with a first control valve 161;
the impurity discharging pipe 3 is connected with the bottom surface of the box body 1 and is communicated with the evaporation bin 171; it should be pointed out that the evaporation bin is provided with a second liquid outlet hole on the bottom surface of the box body 1; the liquid inlet pipe mouth of the impurity discharging pipe 3 is connected with the second liquid outlet hole;
the air outlet shell 4 is connected with the outer end face of the box body 1, and an air outlet bin 41 is defined by the inner wall of the air outlet shell 4 and the outer end face of the box body 1; the air outlet bin 41 is provided with an exhaust pipe 10 on the air outlet shell 4; the exhaust pipe 10 is communicated with the interior of the exhaust bin 41, and the exhaust pipe 10 is communicated with an external formaldehyde absorption tower so as to dissolve the prepared formaldehyde gas in water to prepare a formaldehyde solution;
the exhaust pipe 10, the liquid inlet pipe 8 and the impurity discharge pipe 3 are all provided with a third control valve 11;
the air inlet shell 7 is connected with the outer end face, far away from the air outlet shell 4, of the box body 1, and an air inlet bin is defined by the inner wall of the air inlet shell 7 and the outer end face of the box body 1; the air inlet bin is provided with an air inlet hole on the air inlet shell 7;
two ends of the air pipe 6 are respectively connected with an air inlet hole and an air outlet hole, and a second control valve 61 is arranged on the air pipe 6;
the heat conduction pipes 15 are distributed side by side and are all connected with the inner wall of the liquid storage bin 14; the plurality of heat conduction pipes 15 are respectively communicated with the air inlet bin 71 and the air outlet bin 41;
further, a control box 9 is arranged on the box body 1; the control box 9 is provided with a display and a key module, and the control box 9 is internally provided with a controller; the controller, the display, the key module, the plurality of heating devices, the first control valve 161, the second control valve 61 and the plurality of third control valves 11 are electrically connected, and the plurality of heating devices, the first control valve 161, the second control valve 61 and the plurality of third control valves 11 are controlled to operate by the controller.
In one embodiment of the utility model, when in use, methanol liquid is heated in the liquid storage bin 14 from the liquid inlet pipe 8, and a certain amount of copper catalyst is added into the methanol liquid; the first control valve 161 is opened, and the formaldehyde solution in the liquid storage bin 14 enters the evaporation bin 171; the plurality of heating devices operate and heat to heat the methanol solution and the copper catalyst in the evaporation bin 171, the second control valve 61 is started, and the formaldehyde gas in the evaporation bin 171 enters the air inlet bin 71 along the air pipe 6; the high-temperature formaldehyde gas enters a plurality of heat conduction pipes 15 to preheat the methanol solution in the liquid storage bin 14; the low-temperature formaldehyde gas enters the gas outlet bin 41 and is finally discharged into the formaldehyde absorption tower from the exhaust pipe 10.
In an alternative embodiment, a pressure gauge 5 for monitoring the air pressure in the evaporation bin 171 is arranged on the outer end surface of the box body 1; the pressure gauge 5 can be used for visually checking the air pressure in the evaporation bin 171.
In an alternative embodiment, the evaporation cylinder 17 is made of a transparent material; a transparent plate is embedded in the box body 1;
when in use, the content of the methanol liquid in the evaporation bin 171 can be conveniently checked through the arranged transparent plate.
In an alternative embodiment, the bottom surface of the evaporation chamber 171 is inclined downwards towards the central axis of the impurity discharge pipe 3, and the third control valve 11 on the impurity discharge pipe 3 is actuated to facilitate the rapid discharge of the waste liquid in the evaporation chamber 171 from the impurity discharge pipe 3.
In an alternative embodiment, the end surface of the second partition 18 in the liquid storage chamber 14 is inclined downwards along the central axis of the first liquid outlet hole, and the methanol solution in the liquid storage chamber 14 can be rapidly discharged from the liquid conveying pipe 16 into the evaporation chamber 171 by activating the first control valve 161.
In an optional embodiment, the heating chamber is provided with heat insulating layers on the first partition 13 and the inner wall of the box body 1, so as to avoid loss of heat energy and improve the evaporation effect of the methanol liquid in the evaporation chamber 171.
In an alternative embodiment, the liquid inlet port of the liquid inlet pipe 8 and the gas outlet port of the gas outlet pipe 10 are both provided with flanges 12;
when in use, the liquid inlet pipe 8 or the exhaust pipe 10 is conveniently matched and connected with an external pipeline through the arranged flange plate 12
In an optional embodiment, the device further comprises a feeding pipe; one end of the feeding pipe is provided with a sealing cover, and the other end of the feeding pipe is connected with the box body 1 and communicated with the evaporation bin 171;
further, the sealing cover is in threaded fit connection with the feeding pipe;
when in use, the catalyst is added into the evaporation bin 171 of the convenient box through the feeding pipe.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The efficient energy-saving reaction equipment for producing the formaldehyde solution is characterized by comprising a box body (1), a impurity discharging pipe (3), an air outlet shell (4), an air pipe (6), an air inlet shell (7), a liquid inlet pipe (8), a plurality of heat conducting pipes (15), a liquid conveying pipe (16) and an evaporation cylinder (17);
a plurality of supporting columns (2) are uniformly arranged on the lower end face of the box body (1), and a second partition plate (18) and a first partition plate (13) are arranged in the box body (1); the second partition plate (18) and the first partition plate (13) are distributed side by side along the central axis direction of the box body (1) and are used for sequentially dividing the interior of the box body (1) into a liquid storage bin (14), a first mounting bin and a second mounting bin from top to bottom;
the liquid inlet pipe (8) is connected with the box body (1) and is communicated with the interior of the liquid storage bin (14); the liquid storage bin (14) is provided with a first liquid outlet hole on the second clapboard (18); the evaporation cylinder (17) is connected with the first partition plate (13) and the inner wall of the second installation bin, and the evaporation cylinder (17) is used for dividing the interior of the second installation bin into an outer heating bin and an inner evaporation bin (171); a plurality of heating devices are arranged in the heating bin; a first liquid inlet hole and a first gas outlet hole are formed in the first partition plate (13) of the evaporation bin (171); the infusion tube (16) is positioned in the second mounting bin, two ends of the infusion tube (16) are respectively connected with the first liquid inlet hole and the first liquid outlet hole, and a first control valve (161) is arranged on the infusion tube (16); the impurity discharging pipe (3) is connected with the bottom surface of the box body (1) and is communicated with the evaporation bin (171);
the air outlet shell (4) is connected with the outer end face of the box body (1), and an air outlet bin is defined by the inner wall of the air outlet shell (4) and the outer end face of the box body (1); the air outlet bin is provided with an exhaust pipe (10) on the air outlet shell (4); the exhaust pipe (10), the liquid inlet pipe (8) and the impurity discharge pipe (3) are all provided with a third control valve (11); the air inlet shell (7) is connected with the outer end face, far away from the air outlet shell (4), of the box body (1), and an air inlet bin is defined by the inner wall of the air inlet shell (7) and the outer end face of the box body (1); the air inlet bin is provided with an air inlet hole on the air inlet shell (7); two ends of the air pipe (6) are respectively connected with the air inlet hole and the air outlet hole, and a second control valve (61) is arranged on the air pipe (6);
the heat conduction pipes (15) are distributed side by side and are all connected with the inner wall of the liquid storage bin (14); the heat conduction pipes (15) are respectively communicated with the air inlet bin (71) and the air outlet bin (41).
2. The efficient energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein a pressure gauge (5) for monitoring the air pressure in the evaporation bin (171) is arranged on the outer end surface of the box body (1).
3. The efficient and energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein the evaporation cylinder (17) is made of a transparent material; a transparent plate is embedded on the box body (1).
4. The efficient energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein the bottom surface of the evaporation bin (171) is inclined downwards towards the central axis of the impurity discharging pipe (3).
5. The efficient energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein the end surface of the second partition plate (18) in the liquid storage bin (14) is inclined downwards along the central axis of the first liquid outlet hole.
6. The efficient and energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein the heating bin is provided with heat insulating layers on the first partition plate (13) and the inner wall of the box body (1).
7. The efficient and energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, wherein the liquid inlet port of the liquid inlet pipe (8) and the gas outlet port of the gas outlet pipe (10) are both provided with flanges (12).
8. The efficient energy-saving reaction equipment for producing the formaldehyde solution as claimed in claim 1, further comprising a feeding pipe; one end of the feeding pipe is provided with a sealing cover, and the other end of the feeding pipe is connected with the box body (1) and is communicated with the evaporation bin (171).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165864.0U CN216964550U (en) | 2021-05-28 | 2021-05-28 | Energy-efficient response device is used in production of formaldehyde solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121165864.0U CN216964550U (en) | 2021-05-28 | 2021-05-28 | Energy-efficient response device is used in production of formaldehyde solution |
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| Publication Number | Publication Date |
|---|---|
| CN216964550U true CN216964550U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121165864.0U Active CN216964550U (en) | 2021-05-28 | 2021-05-28 | Energy-efficient response device is used in production of formaldehyde solution |
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| Country | Link |
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| CN (1) | CN216964550U (en) |
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- 2021-05-28 CN CN202121165864.0U patent/CN216964550U/en active Active
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