CN215827497U - Multi-user-point safe heat preservation adjusting device applied to urea solution storage - Google Patents
Multi-user-point safe heat preservation adjusting device applied to urea solution storage Download PDFInfo
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- CN215827497U CN215827497U CN202121300434.5U CN202121300434U CN215827497U CN 215827497 U CN215827497 U CN 215827497U CN 202121300434 U CN202121300434 U CN 202121300434U CN 215827497 U CN215827497 U CN 215827497U
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- storage tank
- steam heating
- main pipe
- switch valve
- steam
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000004202 carbamide Substances 0.000 title claims abstract description 18
- 238000004321 preservation Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 55
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a multi-user-point safe heat preservation and regulation device applied to urea solution storage, which comprises a steam heating main pipe, a steam main pipe switch valve, a plurality of storage tanks and a storage tank body steam heating switch valve; the steam heating main pipe is divided into a plurality of branch pipes, each branch pipe is connected to the storage tank, and a storage tank body steam heating switch valve is arranged at the inlet of each storage tank. The utility model has the beneficial effects that: the steam heating device is provided with the steam main pipe switch valve and the steam heating switch valve of the storage tank body, and the heating requirements of a plurality of tank bodies can be met through one steam heating main pipe; according to the utility model, each storage tank is provided with the steam heating switch valve of the storage tank body, the temperature control of each tank body is independent, and the temperature of all the tank bodies is maintained in a set interval finally.
Description
Technical Field
The utility model relates to a multi-user-point safe heat preservation and regulation device applied to urea solution storage, and belongs to the technical field of energy.
Background
At present, the urea ammonia technology that begins to use at thermal generator set, dissolve urea in water and make the urea solution of certain mass fraction, hydrolyze or the pyrolysis again, because urea solution density is influenced by the temperature great, so all need use the heat preservation at the in-process of preparation and saving, among the coal fired power plant, the heat source is selected nearby usually and is assisted vapour, and is energy-conserving high-efficient, the heating of urea solution in a plurality of jars of main pipe of an auxiliary vapour need be satisfied, how carry out energy-conserving safe effectual control to it, be the problem of treating urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a multi-user-point safe heat preservation and regulation device which is reasonable in structure and reliable in performance and is applied to urea solution storage.
The multi-user-point safe heat preservation and regulation device applied to urea solution storage comprises a steam heating main pipe, a steam main pipe switch valve, a plurality of storage tanks and a storage tank body steam heating switch valve; the steam heating main pipe is divided into a plurality of branch pipes, each branch pipe is connected to the storage tank, and a storage tank body steam heating switch valve is arranged at the inlet of each storage tank.
Preferably, the method comprises the following steps: each storage tank is provided with a temperature sensor.
Preferably, the method comprises the following steps: the steam main pipe switch valve, the steam heating switch valves of the storage tank bodies and the temperature sensors of the storage tanks are all connected into an automatic temperature control system.
Preferably, the method comprises the following steps: the storage tank includes No. 1 storage tank, No. 2 storage tank and No. n storage tank, and No. 1 storage tank, No. 2 storage tank and No. n storage tank import department are equipped with No. 1 storage tank body steam heating ooff valve, No. 2 storage tank body steam heating ooff valves and No. n storage tank body steam heating ooff valve respectively.
The utility model has the beneficial effects that:
1. the steam heating tank is provided with the steam main pipe switch valve and the steam heating switch valve of the storage tank body, and the heating requirements of a plurality of tank bodies can be met through one steam heating main pipe.
2. According to the utility model, each storage tank is provided with the steam heating switch valve of the storage tank body, the temperature control of each tank body is independent, and the temperature of all the tank bodies is maintained in a set interval finally.
3. The steam heating switch valve of the storage tank body is matched with the steam main pipe switch valve, and the steam main pipe switch valve is closed when the system does not need heating, so that the energy is saved, and the safety of the system is improved.
Drawings
FIG. 1 is a schematic structural diagram of a multi-user-point safe heat-preservation regulating device applied to urea solution storage;
FIG. 2 is a schematic diagram of a system control of a multi-user point safe thermal insulation regulating device applied to urea solution storage.
Description of reference numerals: female pipe 1 of steam heating, female pipe ooff valve 2 of steam, No. 1 storage tank 3, No. 1 storage tank body steam heating ooff valve 4, No. 2 storage tank 5, No. 2 storage tank body steam heating ooff valve 6, No. n storage tank 7, No. n storage tank body steam heating ooff valve 8.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to aid in the understanding of the utility model. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Example one
The embodiment of the application provides a multi-user point safety heat preservation adjusting device who uses in urea solution storage, includes: female pipe 1 of steam heating, female pipe ooff valve 2 of steam, No. 1 storage tank 3, No. 1 storage tank body steam heating ooff valve 4, No. 2 storage tank 5, No. 2 storage tank body steam heating ooff valve 6, No. n storage tank 7, No. n storage tank body steam heating ooff valve 8. The female pipe ooff valve 2 of steam is installed on female pipe 1 of steam heating, and female pipe 1 of steam heating behind the female pipe ooff valve 2 mounted position of steam divide into n branch pipes, with leading-in No. 1 storage tank 3 of steam, No. 2 storage tanks 5, …, No. n storage tank 7 to by No. 1 storage tank body steam heating ooff valve 4, No. 2 storage tank body steam heating ooff valve 6, …, No. n storage tank body steam heating ooff valve 8 control that corresponds. Each storage tank is provided with a temperature sensor. The steam main pipe switch valve 2, the steam heating switch valves of the storage tank bodies and the temperature sensors of the storage tanks are all connected to an automatic temperature control system.
Example two
The second embodiment of the application provides a control method of a multi-user-point safe heat preservation and regulation device applied to urea solution storage, which comprises the following control logics:
1) the temperature of No. 1 storage tank is T1And the temperature of No. 2 storage tank is T2…, temperature of storage tank n is TnThe control temperature is as follows: the temperature control interval of each storage tank is TL-TH。
2) In temperature control, an "on command" is defined as: and opening the steam heating switch valve of the storage tank body, and opening the steam main pipe switch valve after the storage tank body is fully opened. Define "off command" as: and closing the steam heating switch valve of the storage tank body, and closing the steam main pipe switch valve after the storage tank body is completely closed. Define "partial off command" as: only the steam heating switch valve of the storage tank body is closed, and the steam main pipe switch valve is not closed.
3) When the temperature of the n number storage tank is Tn<TLWhen the system outputs an 'on instruction'; when the temperature of the n number storage tank is Tn＞THWhen the system outputs an 'off instruction'; when the temperature of the storage tank is less than TLAt the same timeAnd other storage tanks are larger than THThat is, when the system outputs the "on command" and the "off command" at the same time, the "off command" is changed to the "partial off command", and the "on command" is normally output.
4) When all tanks are outputting "off command" (i.e. when all tank temperatures are greater than T)HTime), the system outputs an off command; when all tanks are outputting "on command" (i.e. when all tank temperatures are less than T)LTime), the system outputs an "on command.
The utility model controls the linkage of the steam heating switch valve of the storage tank body and the steam main pipe switch valve, and the steam main pipe switch valve is closed when the system does not need heating, thereby saving more energy and improving the safety of the system.
Claims (4)
1. A multi-user-point safe heat preservation and regulation device in urea solution storage is characterized in that: the steam heating system comprises a steam heating main pipe (1), a steam main pipe switch valve (2), a plurality of storage tanks and a storage tank body steam heating switch valve; the steam heating main pipe is characterized in that the steam main pipe switch valve (2) is installed on the steam heating main pipe (1), the steam heating main pipe (1) behind the steam main pipe switch valve (2) installation position is divided into a plurality of branch pipes, each branch pipe is connected to the storage tank respectively, and a storage tank body steam heating switch valve is arranged at each storage tank inlet.
2. The multi-user-point safe thermal-insulation regulating device in urea solution storage according to claim 1, characterized in that: each storage tank is provided with a temperature sensor.
3. The multi-user-point safe thermal-insulation regulating device in urea solution storage according to claim 1, characterized in that: the steam main pipe switch valve (2), the steam heating switch valves of the storage tank bodies and the temperature sensors of the storage tanks are all connected into an automatic temperature control system.
4. The multi-user-point safe thermal-insulation regulating device in urea solution storage according to claim 1, characterized in that: the storage tank includes No. 1 storage tank (3), No. 2 storage tank (5) and No. n storage tank (7), and No. 1 storage tank (3), No. 2 storage tank (5) and No. n storage tank (7) import department are equipped with No. 1 storage tank body steam heating ooff valve (4), No. 2 storage tank body steam heating ooff valve (6) and No. n storage tank body steam heating ooff valve (8) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300434.5U CN215827497U (en) | 2021-06-10 | 2021-06-10 | Multi-user-point safe heat preservation adjusting device applied to urea solution storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121300434.5U CN215827497U (en) | 2021-06-10 | 2021-06-10 | Multi-user-point safe heat preservation adjusting device applied to urea solution storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215827497U true CN215827497U (en) | 2022-02-15 |
Family
ID=80189879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121300434.5U Active CN215827497U (en) | 2021-06-10 | 2021-06-10 | Multi-user-point safe heat preservation adjusting device applied to urea solution storage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215827497U (en) |
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2021
- 2021-06-10 CN CN202121300434.5U patent/CN215827497U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee after: Zhejiang Zheneng Technology Environmental Protection Group Co.,Ltd. Country or region after: China Address before: 310012 99 Huaxing Road, Xihu District, Hangzhou, Zhejiang (Hangzhou Neusoft business building) Patentee before: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Country or region before: China |