CN213828576U - Maleic anhydride reaction sand blasting rust cleaning device - Google Patents
Maleic anhydride reaction sand blasting rust cleaning device Download PDFInfo
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- CN213828576U CN213828576U CN202022929344.4U CN202022929344U CN213828576U CN 213828576 U CN213828576 U CN 213828576U CN 202022929344 U CN202022929344 U CN 202022929344U CN 213828576 U CN213828576 U CN 213828576U
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Abstract
The utility model discloses a maleic anhydride reaction sandblast rust cleaning device relates to maleic anhydride production facility technical field, and the main objective provides a maleic anhydride reaction sandblast rust cleaning device through fine sand washing tube side heat exchanger. The utility model discloses a main technical scheme does: the utility model provides a maleic anhydride reaction sandblast rust cleaning device, includes: one end of the first pipe body is connected with the air outlet device; the second pipe body comprises a first sleeve and a second sleeve, the second sleeve is arranged in the first sleeve, a first valve is arranged between the first pipe body and the second sleeve, one end of the first sleeve is connected to the tube side of the heat exchanger, and a first sand inlet hole is formed in one end side of the first sleeve; the third body, the one end of third body are connected in storing up husky jar, and the other end is connected in first sand inlet hole, and wherein, the axis position that second sheathed tube one end cross-section is located the third body the utility model discloses mainly used washs the tube side.
Description
Technical Field
The utility model relates to a maleic anhydride production facility technical field especially relates to a maleic anhydride reaction sandblast rust cleaning device.
Background
Maleic anhydride is an organic compound with strong pungent odor, and is a raw material for producing unsaturated polyester and organic synthesis. In maleic anhydride's production process, need cool off maleic anhydride, adopt the heat exchanger to cool off maleic anhydride usually to, maleic anhydride gets into the tube side usually, makes to rust in the tube side, and the rust in the current washing tube side adopts the washing liquid to wash usually, but, the washing liquid is difficult sanitization not only, still causes the tube side to damage easily, thereby causes the heat exchanger to damage.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a maleic anhydride reaction sandblast rust cleaning device, the main objective provides a maleic anhydride reaction sandblast rust cleaning device who washs the tube side heat exchanger through fine sand.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a maleic anhydride reaction sandblast rust cleaning device, the device includes:
one end of the first pipe body is connected with the air outlet device;
the second pipe body comprises a first sleeve and a second sleeve, the second sleeve is arranged in the first sleeve, a first valve is arranged between the first pipe body and the second sleeve, one end of the first sleeve is connected to a pipe pass of the heat exchanger, and a first sand inlet hole is formed in one end side of the first sleeve;
and one end of the third pipe body is connected to the sand storage tank, the other end of the third pipe body is connected to the first sand inlet hole, and the section of one end of the second sleeve is located at the axis position of the third pipe body.
Further, the diameter of the first pipe body is larger than that of the second sleeve.
Further, the diameter of the first pipe body is the same as that of the first sleeve.
Further, the diameter of the first sleeve is the same as that of the third pipe body.
Further, first filtering component sets up air-out device with between the first body.
Further, a second filter element is arranged between the sand storage tank and the third pipe body.
Further, the third pipe body is vertically connected to the first sleeve.
Further, the pressure detection component is arranged between the second sleeve and the tube side of the heat exchanger.
Further, the first valve is a ball valve.
Compared with the prior art, the utility model discloses following technological effect has:
in the technical scheme provided by the embodiment of the utility model, the first pipe body is used for conveying wind to the second pipe body, and one end of the first pipe body is connected with the wind outlet device; the second pipe body is used for forming negative pressure in the second sleeve, the second pipe body comprises a first sleeve and a second sleeve, the second sleeve is arranged in the first sleeve, a first valve is arranged between the first pipe body and the second sleeve, one end of the first sleeve is connected to a tube side of the heat exchanger, and a first sand inlet hole is formed in one end side of the first sleeve; the third pipe body is used for conveying fine sand, one end of the third pipe body is connected with the sand storage tank, the other end of the third pipe body is connected with the first sand inlet hole, wherein, the section of one end of the second sleeve is positioned at the axial position of the third pipe body, and compared with the prior art, the cleaning liquid is adopted for cleaning, but the cleaning liquid is difficult to clean and is easy to cause pipe pass damage, thereby causing the damage of the heat exchanger, in the technical proposal, the second sleeve is arranged in the first sleeve, and one end section of the second sleeve is positioned at the axial position of the third pipe body, when wind enters the second sleeve from the first pipe body and is discharged from the second sleeve, negative pressure is formed at the air exhaust position of the second sleeve, the negative pressure can convey fine sand to the first sleeve and then enter the tube pass, so that the fine sand can clean the rust in the tube side, thereby achieving the technical effect of cleaning the tube side.
Drawings
Fig. 1 is a schematic structural diagram of a maleic anhydride reaction sand blasting and rust removing device provided by the embodiment of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the embodiment of the utility model provides a maleic anhydride reaction sandblast rust cleaning device, the device includes:
one end of the first pipe body 1 is connected with the air outlet device 11;
the second pipe body comprises a first sleeve 21 and a second sleeve 22, the second sleeve 22 is arranged in the first sleeve 21, a first valve 23 is arranged between the first pipe body 1 and the second sleeve 22, one end of the first sleeve 21 is connected to the tube side of the heat exchanger, and a first sand inlet hole is formed in one end side of the first sleeve 21;
and one end of the third pipe body 3 is connected to the sand storage tank 31, and the other end of the third pipe body 3 is connected to the first sand inlet hole, wherein the cross section of one end of the second sleeve 22 is located at the axial position of the third pipe body 3.
In the technical solution provided by the embodiment of the present invention, the first pipe 1 is used for conveying wind to the second pipe, and one end of the first pipe 1 is connected to the wind outlet device 11; the second pipe body is used for forming negative pressure in the second sleeve 22, the second pipe body comprises a first sleeve 21 and a second sleeve 22, the second sleeve 22 is arranged in the first sleeve 21, a first valve 23 is arranged between the first pipe body 1 and the second sleeve 22, one end of the first sleeve 21 is connected to the tube side of the heat exchanger, and a first sand inlet is formed in one end side of the first sleeve 21; the third pipe body 3 is used for conveying fine sand, one end of the third pipe body 3 is connected with the sand storage tank 31, the other end is connected with the first sand inlet hole, wherein, one end section of the second sleeve 22 is located at the axial position of the third tube 3, and compared with the prior art, the cleaning solution is adopted for cleaning, but the cleaning solution is difficult to clean and is easy to cause tube pass damage, thereby causing damage to the heat exchanger, in the present solution, by providing the second sleeve 22 in the first sleeve 21, and one end section of the second sleeve 22 is located at the axial position of the third tube 3, when wind enters the second sleeve 22 from the first tube 1 and is discharged from the second sleeve 22, at the point where the second thimble 22 is vented, a negative pressure is created, which is able to convey the fine sand to the first thimble 21, then enters the tube side, so that the fine sand can clean the rust in the tube side, thereby achieving the technical effect of cleaning the tube side.
The first pipe body 1 is used for conveying wind to a second pipe body, one end of the first pipe body 1 is connected to the wind outlet device 11, the diameter of the first pipe body 1 is the same as that of the first sleeve pipe 21, the first pipe body 1 can be a straight pipe or a bent pipe, the first pipe body 1 is made of stainless steel materials, and the diameter of the first pipe body 1 is the same as that of the first sleeve pipe 21, so that the diameter of the first pipe body 1 is larger than that of the second sleeve pipe 22; the second pipe body is used for forming negative pressure in the second sleeve 22, the second pipe body comprises a first sleeve 21 and a second sleeve 22, the second sleeve 22 is arranged in the first sleeve 21, a first valve 23 is arranged between the first pipe body 1 and the second sleeve 22, one end of the first sleeve 21 is connected with the tube side of the heat exchanger, one end side of the first sleeve 21 is provided with a first sand inlet, the second sleeve 22 is arranged in the first sleeve 21, therefore, the diameter of the second sleeve 22 is smaller than that of the first sleeve 21, the first valve 23 is a ball valve, one end of the first valve 23 is connected to the first pipe body 1, the other end is connected to the second sleeve 22, while the first sleeve 21 is fixed to the first valve 23, however, the first valve 23 can only open or close the second sleeve 22, the first sleeve 21 cannot be opened or closed, and a sand inlet hole is formed in the side face of one end, close to the tube pass, of the first sleeve 21; the third pipe 3 is used for conveying fine sand, one end of the third pipe 3 is connected to the sand storage tank 31, and the other end is connected to the first sand inlet hole, wherein one end section of the second pipe 22 is located at the axial position of the third pipe 3, the third pipe 3 is vertically connected to the first pipe 21, that is, the axis of the third pipe 3 is coincident with the end surface of the second pipe 22, only if the axis of the third pipe 3 is coincident with the end surface of the second pipe 22, the pipe orifice position of the second pipe 22 can form negative pressure, and the fine sand is conveyed to the pipe pass, in the technical scheme, the second pipe 22 is arranged in the first pipe 21, and one end section of the second pipe 22 is located at the axial position of the third pipe 3, when wind enters the second pipe 22 from the first pipe 1 and is discharged from the second pipe 22, the negative pressure is formed at the position where the second pipe 22 exhausts, and the negative pressure can convey the fine sand to the first pipe 21, then enters the tube side, so that the fine sand can clean the rust in the tube side, thereby achieving the technical effect of cleaning the tube side.
Further, the diameter of the first sleeve 21 is the same as that of the third tube 3. In this embodiment, the first sleeve 21 and the third pipe 3 are further defined, so that the diameter of the second sleeve 22 is smaller than the diameter of the third pipe 3, so that a negative pressure is formed at the end face of the second sleeve 22, the negative pressure can convey fine sand to the first sleeve 21 and then enter the pipe pass, and the fine sand can clean rust in the pipe pass, thereby achieving the technical effect of cleaning the pipe pass.
Further, the first filter component 12 is disposed between the air outlet device 11 and the first pipe 1. In this embodiment, the first filtering component 12 is added, and the first filtering component 12 is used for filtering the air discharged from the air outlet device 11, so as to prevent impurities from entering the tube pass through the first tube body 1, thereby achieving the technical effect of protecting the tube pass; the first filter member 12 may be a filter net, or may be an existing filter as long as it can filter air.
Further, a second filter element 32, the second filter element 32 is disposed between the sand tank 31 and the third pipe 3. In this embodiment, the first filtering component 12 is added, the first filtering component 12 is used for filtering fine sand discharged from the sand storage tank 31, the diameter of the fine sand is uniform, and impurities with large volume are prevented from entering the tube pass through the first tube body 1, so that the technical effect of protecting the tube pass is achieved; the first filter part 12 is usually a filter net, and the mesh number of the filter net is usually larger than the diameter of the fine sand.
Further, a pressure detecting member 4, the pressure detecting member 4 is disposed between the second sleeve 22 and the tube side of the heat exchanger. Increased pressure measurement part 4 in this embodiment, pressure measurement part 4 adopts the manometer to detect the pressure in the second sleeve 22 usually for personnel can know the effect of the pressure in the second sleeve 22 in real time, thereby reach the technical effect of the pressure in the convenient control second sleeve 22.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a maleic anhydride reaction sandblast rust cleaning device which characterized in that includes:
one end of the first pipe body is connected with the air outlet device;
the second pipe body comprises a first sleeve and a second sleeve, the second sleeve is arranged in the first sleeve, a first valve is arranged between the first pipe body and the second sleeve, one end of the first sleeve is connected to a pipe pass of the heat exchanger, and a first sand inlet hole is formed in one end side of the first sleeve;
and one end of the third pipe body is connected to the sand storage tank, the other end of the third pipe body is connected to the first sand inlet hole, and the section of one end of the second sleeve is located at the axis position of the third pipe body.
2. The maleic anhydride reaction sand blasting rust removal device of claim 1,
the diameter of the first pipe body is larger than that of the second sleeve.
3. The maleic anhydride reaction sand blasting rust removal device of claim 2,
the diameter of the first pipe body is the same as that of the first sleeve.
4. The maleic anhydride reaction sand blasting rust removal device of claim 2,
the diameter of the first sleeve is the same as that of the third pipe body.
5. The maleic anhydride reaction sand blasting rust removal device of any one of claims 1 to 4, further comprising:
the first filtering component is arranged between the air outlet device and the first pipe body.
6. The maleic anhydride reaction sand blasting rust removal device of any one of claims 1 to 4, further comprising:
and the second filtering component is arranged between the sand storage tank and the third pipe body.
7. The maleic anhydride reaction sand-blasting rust removal apparatus according to any one of claims 1 to 4,
the third pipe body is vertically connected to the first sleeve.
8. The maleic anhydride reaction sand blasting rust removal device of any one of claims 1 to 4, further comprising:
a pressure detection component disposed between the second sleeve and the tube side of the heat exchanger.
9. The maleic anhydride reaction sand-blasting rust removal apparatus according to any one of claims 1 to 4,
the first valve is a ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929344.4U CN213828576U (en) | 2020-12-09 | 2020-12-09 | Maleic anhydride reaction sand blasting rust cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022929344.4U CN213828576U (en) | 2020-12-09 | 2020-12-09 | Maleic anhydride reaction sand blasting rust cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213828576U true CN213828576U (en) | 2021-07-30 |
Family
ID=76997444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022929344.4U Active CN213828576U (en) | 2020-12-09 | 2020-12-09 | Maleic anhydride reaction sand blasting rust cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213828576U (en) |
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2020
- 2020-12-09 CN CN202022929344.4U patent/CN213828576U/en active Active
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