CN202683207U - Nitrogen supply device - Google Patents
Nitrogen supply device Download PDFInfo
- Publication number
- CN202683207U CN202683207U CN 201220273569 CN201220273569U CN202683207U CN 202683207 U CN202683207 U CN 202683207U CN 201220273569 CN201220273569 CN 201220273569 CN 201220273569 U CN201220273569 U CN 201220273569U CN 202683207 U CN202683207 U CN 202683207U
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- nitrogen supply
- pipeline
- nitrogen
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- subsequent use
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Abstract
The utility model discloses a nitrogen supply device which comprises a nitrogen supply device and a main nitrogen supply pipeline, wherein the inlet end of the main nitrogen supply pipeline is connected with a nitrogen supply port in the nitrogen supply device, and the outlet end of the main nitrogen supply pipeline is respectively connected with production devices. The nitrogen supply device also comprises a spare nitrogen supply pipeline, wherein the inlet end of the spare nitrogen supply pipeline is connected with the nitrogen supply port in the nitrogen supply device, and the outlet end of the spare nitrogen supply pipeline is respectively connected with the production devices. Through the method of using the spare nitrogen supply pipeline, the nitrogen supply device has the beneficial effects that the spare nitrogen supply pipeline supplements nitrogen when the nitrogen fluctuates or pressure is lower, so that the nitrogen supply is stable, output reduction and stop accidents caused by nitrogen supply reduction and outage are avoided, safe and stable operation of an integrated device are realized favorably, and economic loss and potential safety hazards are reduced.
Description
Technical field
The utility model relates to a kind of nitrogen supply (NS) device, is specifically related to a kind of nitrogen supply (NS) device that guarantees the stable production of expoxy propane integrated apparatus.
Background technology
In the process of the integrated production of expoxy propane, adopt one road pipeline to process units the supply of nitrogen, the flow chart of its duty as shown in Figure 1, the torch device that reduces internal heat in nitrogen pipeline and the process units, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device provisioning nitrogen, when the nitrogen gas generation fluctuation of supply reduces, the production of expoxy propane also can be fluctuateed thereupon, even is forced to reduce the production load of PO device, PPG device; Occurred causing the situation of fluctuation, the underproduction even the parking of expoxy propane integrated production equipment because nitrogen supply (NS) is not enough, unstable, and caused larger economic loss, and had potential safety hazard.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, provides a kind of and guarantees that nitrogen supply (NS) is stable, reduces economic loss, reduces the nitrogen supply (NS) device of potential safety hazard.
Technical scheme: a kind of nitrogen supply (NS) device described in the utility model, comprise nitrogen supply (NS) device and main nitrogen supply (NS) pipeline, the entrance point of described main nitrogen supply (NS) pipeline is connected with nitrogen supply (NS) mouth on the described nitrogen supply (NS) device, and the port of export is connected with process units respectively; Also include nitrogen supply (NS) pipeline for subsequent use, the entrance point of described nitrogen supply (NS) pipeline for subsequent use is connected with nitrogen supply (NS) mouth on the described nitrogen supply (NS) device, and the port of export of described nitrogen supply (NS) pipeline for subsequent use is connected with process units respectively.
The technical program further is defined as: the process units that the port of export of described main nitrogen supply (NS) pipeline connects comprises the torch device that reduces internal heat, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device.
For when the abnormal, backup line can carry out nitrogen and replenish, make the supply of nitrogen stable, the process units that the port of export of described nitrogen supply (NS) pipeline for subsequent use connects comprises PO master's device, PO second phase device interface I, PO second phase device interface II, liquid chlorine device, CS device and PPG device.
In order to save the length of backup line, described nitrogen supply (NS) pipeline for subsequent use comprises the first pipeline and second pipe, described the first pipeline one end is connected with the nitrogen supply (NS) mouth, an other end is connected with the PPG device, and the centre arranges five nodes, wherein, Section Point is communicated with PO second phase device interface I, the 3rd node is communicated with the liquid chlorine device, and the 4th node is communicated with the CS device, and the 5th node is communicated with PO second phase device interface II; Described second pipe one end is communicated with the first node of the first pipeline, and the other end is communicated with PO master's device.
The junction of the first node of described second pipe one end and the first pipeline arranges flange.Between described flange and the described second pipe blank flange is set.
Beneficial effect: a kind of nitrogen supply (NS) device described in the utility model is by using the method for nitrogen supply (NS) pipeline for subsequent use, is implemented in nitrogen fluctuation or pressure when low, and nitrogen supply (NS) pipeline for subsequent use carries out nitrogen and replenishes, and makes nitrogen supply (NS) stable; When nitrogen stopped supplying, nitrogen supply (NS) pipeline for subsequent use began air feed.Avoided when only one road nitrogen gas supply being arranged, the PPG device uses nitrogen because of intermittence and brings fluctuation to PO device, CS device; Also avoided being conducive to safety, the stable operation of integrated apparatus because nitrogen subtracts load down, the parking accident that confession, cut-off bring, reduced economic loss, reduced potential safety hazard.
Description of drawings
Fig. 1 is the flow chart of nitrogen supply (NS) device duty in the prior art;
Fig. 2 is the flow chart of nitrogen supply (NS) device duty described in the utility model.
The specific embodiment
The below is elaborated to technical solutions of the utility model, but protection domain of the present utility model is not limited to described embodiment.
Embodiment:A kind of nitrogen supply (NS) device described in the utility model, the flow chart of its duty as shown in Figure 2, comprise nitrogen supply (NS) device, main nitrogen supply (NS) pipeline and nitrogen supply (NS) pipeline for subsequent use, nitrogen supply (NS) pipeline for subsequent use all is connected with the nitrogen supply (NS) mouth of nitrogen supply (NS) device with the entrance point of main nitrogen supply (NS) pipeline, and nitrogen supply (NS) pipeline for subsequent use is connected with production equipment respectively with the port of export of main nitrogen supply (NS) pipeline.In Fig. 2, dotted line represents main nitrogen supply (NS) pipeline, and solid line represents nitrogen supply (NS) pipeline for subsequent use.
Shown in the dotted line among Fig. 2, main nitrogen supply (NS) pipeline is communicated with respectively the torch device that reduces internal heat, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and the CS device in the process units, is the torch device that reduces internal heat in the process units, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device provisioning nitrogen.
Shown in the solid line among Fig. 2, nitrogen supply (NS) pipeline for subsequent use comprises the first pipeline and second pipe.The first pipeline one end is connected with the nitrogen supply (NS) mouth, an other end is connected with the PPG device, the centre arranges five nodes, wherein, Section Point is communicated with PO second phase device interface I, the 3rd node is communicated with the liquid chlorine device, and the 4th node is communicated with the CS device, and the 5th node is communicated with PO second phase device interface II.Second pipe one end is communicated with the first node of the first pipeline, and the tie point of second pipe and first node arranges flange and blank flange; The other end of second pipe is communicated with PO master's device.Described nitrogen supply (NS) pipeline for subsequent use is PO master's device, PO second phase device interface I, PO second phase device interface II, liquid chlorine device, CS device and PPG device provisioning nitrogen.
During a kind of nitrogen supply (NS) device busy described in the utility model, be the torch device that reduces internal heat, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device provisioning nitrogen in the process units by main nitrogen supply (NS) pipeline.When main nitrogen supply (NS) pipeline goes wrong, such as nitrogen fluctuation or pressure is lower or nitrogen stops supplying, start nitrogen supply (NS) pipeline for subsequent use, be the torch device that reduces internal heat in the process units, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device provisioning nitrogen, the assurance nitrogen supply (NS) is stable, avoided the intermittence of PPG device to use nitrogen to bring fluctuation to PO device, CS device, avoided simultaneously being conducive to safety, the stable operation of integrated apparatus because nitrogen subtracts load down, the parking accident that confession, cut-off bring.
As mentioned above, although the specific preferred embodiment of reference has represented and has explained the utility model that it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (6)
1. a nitrogen supply (NS) device comprises nitrogen supply (NS) device and main nitrogen supply (NS) pipeline, and the entrance point of described main nitrogen supply (NS) pipeline is connected with nitrogen supply (NS) mouth on the described nitrogen supply (NS) device, and the port of export is connected with process units respectively; It is characterized in that: also include nitrogen supply (NS) pipeline for subsequent use, the entrance point of described nitrogen supply (NS) pipeline for subsequent use is connected with nitrogen supply (NS) mouth on the described nitrogen supply (NS) device, and the port of export of described nitrogen supply (NS) pipeline for subsequent use is connected with process units respectively.
2. nitrogen supply (NS) device according to claim 1 is characterized in that: the process units that the port of export of described main nitrogen supply (NS) pipeline connects comprises the torch device that reduces internal heat, PO master's device, liquid chlorine device, refrigerating plant, PO/DCP tank field, quality inspection device, PPG device and CS device.
3. nitrogen supply (NS) device according to claim 1 is characterized in that: the process units that the port of export of described nitrogen supply (NS) pipeline for subsequent use connects comprises PO master's device, PO second phase device interface I, PO second phase device interface II, liquid chlorine device, CS device and PPG device.
4. nitrogen supply (NS) device according to claim 3, it is characterized in that: described nitrogen supply (NS) pipeline for subsequent use comprises the first pipeline and second pipe, described the first pipeline one end is connected with the nitrogen supply (NS) mouth, an other end is connected with the PPG device, and the centre arranges five nodes, wherein, Section Point is communicated with PO second phase device interface I, the 3rd node is communicated with the liquid chlorine device, and the 4th node is communicated with the CS device, and the 5th node is communicated with PO second phase device interface II; Described second pipe one end is communicated with the first node of the first pipeline, and the other end is communicated with PO master's device.
5. a kind of nitrogen supply (NS) device according to claim 4, it is characterized in that: the junction of the first node of described second pipe one end and the first pipeline arranges flange.
6. a kind of nitrogen supply (NS) device according to claim 5 is characterized in that: between described flange and the described second pipe blank flange is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273569 CN202683207U (en) | 2012-06-12 | 2012-06-12 | Nitrogen supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273569 CN202683207U (en) | 2012-06-12 | 2012-06-12 | Nitrogen supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683207U true CN202683207U (en) | 2013-01-23 |
Family
ID=47538882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220273569 Expired - Fee Related CN202683207U (en) | 2012-06-12 | 2012-06-12 | Nitrogen supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683207U (en) |
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2012
- 2012-06-12 CN CN 201220273569 patent/CN202683207U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |