CN211987378U - Solid-liquid separation device for sulfamic acid production system - Google Patents
Solid-liquid separation device for sulfamic acid production system Download PDFInfo
- Publication number
- CN211987378U CN211987378U CN201922419370.XU CN201922419370U CN211987378U CN 211987378 U CN211987378 U CN 211987378U CN 201922419370 U CN201922419370 U CN 201922419370U CN 211987378 U CN211987378 U CN 211987378U
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- tank
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- liquid separation
- assembly
- suction filtration
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- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000000967 suction filtration Methods 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 6
- 239000003518 caustics Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000005086 pumping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The utility model discloses a solid-liquid separation equipment for sulfamic acid production system. The solid-liquid separation device comprises a controller, a material tank, a suction filtration tank assembly, an alkali washing tank assembly, a buffer tank and a vacuumizing assembly, wherein the material tank, the suction filtration tank assembly, the alkali washing tank assembly, the buffer tank and the vacuumizing assembly are sequentially communicated through a pipeline, an air inlet of the vacuumizing assembly is communicated with the buffer tank, a pressure protection mechanism is arranged on a pipeline section between the suction filtration tank assembly and the alkali washing tank assembly, a pressure sensor is arranged on a pipeline section between the buffer tank and the vacuumizing assembly, the vacuumizing assembly is provided with a frequency converter used for adjusting the vacuumizing rate of the vacuumizing assembly, and the controller is respectively electrically connected with the pressure sensor and. The utility model discloses a solid-liquid separation equipment when the suction filtration later stage does not need the high vacuum, the controller will control the converter and adjust the work rate of evacuation subassembly, realizes energy-conserving target, and sets up alkali wash tank subassembly and buffer tank before the evacuation subassembly, can effectively protect the evacuation subassembly not corroded.
Description
Technical Field
The utility model relates to a chemical production equipment technical field especially relates to a solid-liquid separation equipment for sulfamic acid production system.
Background
The semi-finished product of the sulfamic acid production system adopts a suction filtration process to separate solid from liquid in the materials. The suction filtration negative pressure is provided by a vacuum pump. The vacuum pump only has 2 control modes of starting or stopping, high negative pressure is not needed when the pumping filtration operation reaches the later stage, and the vacuum pump is still in the original operation mode, so that the equipment is in idle consumption. Meanwhile, the negative pressure is large, so that the system equipment is threatened, and the equipment is possibly exploded. In addition, the liquid phase material is pumped into the vacuum pump, which causes damage to the vacuum pump.
Disclosure of Invention
An object of the utility model is to provide a solid-liquid separation equipment for sulfamic acid production system that reduces energy consumption and protective apparatus to the above-mentioned not enough of prior art.
The utility model discloses a solid-liquid separation equipment for sulfamic acid production system, including controller and material groove, suction filtration bank of cells subassembly, alkali wash tank subassembly, buffer tank and the evacuation subassembly that communicates in proper order through the pipeline, the air inlet of evacuation subassembly with the buffer tank intercommunication is located suction filtration bank of cells subassembly with be equipped with pressure protection mechanism in the pipeline section between the alkali wash tank subassembly, be located be equipped with pressure sensor in the pipeline section between buffer tank and the evacuation subassembly, the evacuation subassembly is installed and is used for adjusting its evacuation rate's converter, the controller respectively with pressure sensor and converter electricity are connected.
Preferably, a pressure protection mechanism is arranged on a pipeline section between the suction filtration tank assembly and the alkaline washing tank assembly.
Preferably, the pressure protection mechanism comprises a pressure relief electric valve, and the pressure relief electric valve is electrically connected with the controller.
Preferably, the pressure protection mechanism further comprises a pressure alarm, and the pressure alarm is electrically connected with the controller.
Preferably, the vacuumizing assembly comprises a plurality of vacuum pumps connected in parallel, the vacuum pumps are communicated with the buffer tank through connecting pipelines, and each vacuum pump is provided with a frequency converter.
Preferably, the connecting tube includes a trunk line and a plurality of small transfer lines, the buffer tank with the trunk line is linked together, and is a plurality of the small transfer line is with a plurality of vacuum pump one-to-one, the one end of small transfer line with the trunk line is linked together, and the other end is rather than corresponding the vacuum pump is linked together, pressure sensor sets up on the trunk line.
Preferably, the caustic wash tank assembly comprises two caustic wash tanks in series.
Preferably, the solution of the alkaline washing tank is sodium hydroxide solution.
Preferably, the suction filtration tank assembly comprises a plurality of suction filtration tanks connected in parallel, the plurality of suction filtration tanks are communicated with the material tank and the alkaline washing tank assembly, and a valve for opening or closing the suction filtration tanks is arranged on a pipeline section between each suction filtration tank and the material tank.
The utility model discloses a solid-liquid separation equipment for sulfamic acid production system is being located be equipped with pressure sensor on the pipeline section between buffer tank and the evacuation subassembly, the evacuation subassembly is installed and is used for adjusting its evacuation speed's converter, the controller with pressure sensor and converter electricity are connected, and when the suction filtration later stage does not need the high vacuum like this, the controller will control the converter and adjust the work rate of evacuation subassembly, realizes energy-conserving target, and set up alkali wash jar subassembly and buffer tank before the evacuation subassembly, and the acid gas among the alkali wash jar subassembly absorbed air avoids acid gas to advance in the evacuation subassembly, and the buffer tank can avoid liquid to advance in the evacuation subassembly, can effectively protect the evacuation subassembly not corroded.
Drawings
Fig. 1 is a schematic structural diagram of a solid-liquid separation device for a sulfamic acid production system of the present invention.
1-a controller; 2-material groove; 3-a suction filtration tank assembly; 31-a suction filtration tank; 32-a valve; 4-an alkaline cleaning tank assembly; 41-alkaline washing tank; 5-a buffer tank; 6-a vacuum-pumping assembly; 61-a vacuum pump; 62-connecting a pipeline; 621-main pipeline; 622-branch pipes; 7-a frequency converter; 8-a pressure sensor; 9-a pressure protection mechanism; 91-pressure relief electrovalve; 92-pressure alarm.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the utility model discloses a solid-liquid separation equipment for sulfamic acid production system, including controller 1 and the material groove 2 that communicates in proper order through the pipeline, suction filtration bank of cells subassembly 3, alkali wash tank subassembly 4, buffer tank 5 and evacuation subassembly 6, evacuation subassembly 6's air inlet and buffer tank 5 intercommunication are located and are equipped with pressure sensor 8 in the pipeline section between buffer tank 5 and the evacuation subassembly 6, and evacuation subassembly 6 installs the converter 7 that is used for adjusting its evacuation rate, and controller 1 is connected with pressure sensor 8 and converter 7 electricity respectively.
The utility model discloses a solid-liquid separation equipment for sulfamic acid production system is equipped with pressure sensor 8 on being located the pipeline section between buffer tank 5 and evacuation subassembly 6, evacuation subassembly 6 installs the converter 7 that is used for adjusting its evacuation speed, controller 1 is connected with pressure sensor 8 and converter 7 electricity, like this when the suction filtration later stage, when pressure sensor 8 detects the negative pressure when too high, controller 1 will control converter 7 and adjust the work speed of evacuation subassembly 6, realize energy-conserving target, and set up alkali wash jar subassembly 4 and buffer tank 5 before evacuation subassembly 6, the acid gas among the 4 absorbed air of alkali wash jar subassembly, avoid acid gas to advance in the evacuation subassembly 6, the buffer tank can avoid liquid to advance in the evacuation subassembly 6, can effectively protect evacuation subassembly 6 not corroded.
The controller 1 may be a commercially available single chip microcomputer, such as a STM32F series single chip microcomputer. The controller 1 may include a data receiving and comparing unit and an execution command unit, for example, the data receiving and comparing unit may receive the pressure value transmitted by the pressure sensor 8, compare the pressure value with stored information, transmit a comparison result to the execution command unit, and the execution command unit may execute a corresponding command according to the comparison result.
The pressure sensor 8 may also be a commercially available product, such as an sp-831/3351 pressure sensor 8.
In order to avoid the threat to system equipment when the negative pressure is too high, a pressure protection mechanism 9 can be arranged on a pipeline section between the suction filtration tank assembly 3 and the alkaline washing tank assembly 4, when the pressure sensor 8 detects that the negative pressure of the pipeline section is too high, the pressure protection mechanism 9 on the pipeline section between the suction filtration tank assembly 3 and the alkaline washing tank assembly 4 starts to operate, automatically releases pressure, and stops operating after the pressure is restored to a set value, so that the equipment cannot be damaged due to the fact that the negative pressure is too high.
The structure of the pressure protection mechanism 9 is various, and is not limited herein, and in the present embodiment, the pressure protection mechanism 9 may include a pressure relief electric valve 91, and the pressure relief electric valve 91 is electrically connected to the controller 1. Thus, when the pressure sensor 8 detects that the negative pressure of the pipe section is too high, the controller 1 controls the pressure-relief electrovalve 91 to open, and when the pressure is restored to the set value, closes the pressure-relief electrovalve 91 again.
Carry out vacuum separation with solid-liquid in the material in the suction filtration container, and when the negative pressure was too high, generally because the liquid of suction filtration container has been too much, so just also need to flow out the liquid of suction filtration container or change the suction filtration container this time, in order to remind operating personnel to operate, pressure protection mechanism 9 can also include pressure alarm 92, and pressure alarm 92 is connected with controller 1 electricity. When the pressure sensor 8 detects that the negative pressure at the pipeline section is too high, the pressure alarm 92 gives an alarm to remind an operator to timely flow out the liquid in the suction filtration container or replace the suction filtration container.
In order to replace the suction filter tank 31 conveniently, in this embodiment, the suction filter tank assembly 3 may include a plurality of suction filter tanks 31 connected in parallel, the plurality of suction filter tanks 31 are all communicated with the material tank 2 and the alkaline washing tank assembly 4, and a valve 32 for opening or closing the suction filter tanks 31 is disposed on a pipe section between the material tank 2 and each of the suction filter tanks 31. Every time of vacuum filtration, the valve 32 on the pipeline section between at least one filtration tank 31 and the material tank 2 can be selected to be opened, and the other valves are closed, so when the pressure sensor 8 detects that the negative pressure of the pipeline section is overhigh, the pressure alarm 92 gives an alarm, an operator can close the valve 32 on the pipeline section between the filtration tank 31 and the material tank 2 which is operated at present, selectively open the other valves 32 to continue filtration, and thus, the relevant subsequent treatment can be conveniently carried out on the filtration tank 31 which just finishes the filtration.
Of course, there are various ways to replace the suction filter tank 31, and this is not limited herein.
The structure of the vacuum pumping assembly 6 is various, and is not limited herein, in this embodiment, the vacuum pumping assembly 6 may include a plurality of vacuum pumps 61 connected in parallel, each of the plurality of vacuum pumps 61 is communicated with the buffer tank 5 through a connecting pipe 62, and each of the vacuum pumps 61 is provided with a frequency converter 7. The vacuum pumps 61 connected in parallel are arranged, firstly, because the general treatment capacity in a factory is large, a single vacuum pump 61 may not meet the requirement of negative pressure suction filtration, and on the other hand, the vacuum pumps 61 can also be effectively prevented from being broken down in the suction filtration process, and a plurality of vacuum pumps are arranged here, when one vacuum pump 61 is broken down, the working frequency of other vacuum pumps 61 can be adjusted through the frequency converter 7, so that the suction filtration process is not influenced to continue.
The mode that a plurality of vacuum pumps 61 all are linked together through connecting tube 62 and buffer tank 5 has a plurality ofly, do not do the restriction here, in this embodiment, connecting tube 62 can include a trunk line 621 and a plurality of spinal branch pipelines 622, buffer tank 5 is linked together with trunk line 621, a plurality of spinal branch pipelines 622 and a plurality of vacuum pumps 61 one-to-one, the one end of spinal branch pipeline 622 with be linked together with trunk line 621, the other end is linked together with its corresponding vacuum pump 61, pressure sensor 8 sets up on trunk line 621.
The caustic wash tank assembly 4 may comprise two caustic wash tanks 41 in series, the caustic wash tanks 41 being arranged to absorb acid gases, the two caustic wash tanks 41 being arranged to further prevent acid gases from entering the vacuum pump 61 and damaging the equipment.
The solution in the alkaline washing tank 41 may be various, and is not limited herein, and may be, for example, a sodium hydroxide solution or the like.
The above is not relevant and is applicable to the prior art.
Although certain specific embodiments of the present invention have been described in detail by way of illustration, it will be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention, which is to be construed as broadly as the present invention will suggest themselves to those skilled in the art to which the invention pertains and which is susceptible to various modifications or additions and similar arrangements to the specific embodiments described herein without departing from the scope of the invention as defined in the appended claims. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like made to the above embodiments according to the technical spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A solid-liquid separation equipment for sulfamic acid production system which characterized in that: including controller (1) and material groove (2), suction filtration bank of cells subassembly (3), alkali wash tank subassembly (4), buffer tank (5) and evacuation subassembly (6) that communicate in proper order through the pipeline, the air inlet of evacuation subassembly (6) with buffer tank (5) intercommunication is located be equipped with pressure sensor (8) on the pipeline section between buffer tank (5) and evacuation subassembly (6), install converter (7) that are used for adjusting its evacuation rate in evacuation subassembly (6), controller (1) respectively with pressure sensor (8) and converter (7) electricity are connected.
2. The solid-liquid separation apparatus for a sulfamic acid production system of claim 1, wherein: and a pressure protection mechanism (9) is arranged on a pipeline section between the suction filtration tank assembly (3) and the alkaline cleaning tank assembly (4).
3. The solid-liquid separation apparatus for a sulfamic acid production system of claim 2, wherein: the pressure protection mechanism (9) comprises a pressure relief electric valve (91), and the pressure relief electric valve (91) is electrically connected with the controller (1).
4. A solid-liquid separation apparatus for a sulfamic acid production system according to claim 3, characterized in that: the pressure protection mechanism (9) further comprises a pressure alarm (92), and the pressure alarm (92) is electrically connected with the controller (1).
5. The solid-liquid separation apparatus for a sulfamic acid production system as set forth in any one of claims 1 to 4, wherein: the vacuumizing assembly (6) comprises a plurality of vacuum pumps (61) connected in parallel, the vacuum pumps (61) are communicated with the buffer tank (5) through connecting pipelines (62), and each vacuum pump (61) is provided with a frequency converter (7).
6. The solid-liquid separation apparatus for a sulfamic acid production system of claim 5, wherein: connecting tube (62) include a trunk line (621) and a plurality of spinal branch pipeline (622), buffer tank (5) with trunk line (621) are linked together, and are a plurality of spinal branch pipeline (622) and a plurality of vacuum pump (61) one-to-one, the one end of spinal branch pipeline (622) with trunk line (621) are linked together, and the other end is rather than corresponding vacuum pump (61) are linked together, pressure sensor (8) set up on trunk line (621).
7. The solid-liquid separation apparatus for a sulfamic acid production system as set forth in any one of claims 1 to 4, wherein: the alkaline washing tank assembly (4) comprises two alkaline washing tanks (41) connected in series.
8. The solid-liquid separation apparatus for a sulfamic acid production system of claim 7, wherein: the solution of the alkaline washing tank (41) is sodium hydroxide solution.
9. The solid-liquid separation apparatus for a sulfamic acid production system as set forth in any one of claims 1 to 4, wherein: the suction filtration tank assembly (3) comprises a plurality of suction filtration tanks (31) which are connected in parallel, the suction filtration tanks (31) are communicated with the material tank (2) and the alkaline washing tank assembly (4), and a valve (32) for opening or closing the suction filtration tanks is arranged on a pipeline section between each suction filtration tank (31) and the material tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419370.XU CN211987378U (en) | 2019-12-27 | 2019-12-27 | Solid-liquid separation device for sulfamic acid production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922419370.XU CN211987378U (en) | 2019-12-27 | 2019-12-27 | Solid-liquid separation device for sulfamic acid production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211987378U true CN211987378U (en) | 2020-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922419370.XU Active CN211987378U (en) | 2019-12-27 | 2019-12-27 | Solid-liquid separation device for sulfamic acid production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211987378U (en) |
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2019
- 2019-12-27 CN CN201922419370.XU patent/CN211987378U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A solid-liquid separation device for sulfamic acid production system Effective date of registration: 20230321 Granted publication date: 20201124 Pledgee: Bank of China Limited Qianjiang Branch Pledgor: QIANJIANG YUANDA CHEMICAL Co.,Ltd. Registration number: Y2023420000115 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |