CN202343113U - Nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy - Google Patents
Nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy Download PDFInfo
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- CN202343113U CN202343113U CN2011204103507U CN201120410350U CN202343113U CN 202343113 U CN202343113 U CN 202343113U CN 2011204103507 U CN2011204103507 U CN 2011204103507U CN 201120410350 U CN201120410350 U CN 201120410350U CN 202343113 U CN202343113 U CN 202343113U
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Abstract
The utility model discloses a nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy. The nitrogen and hydrogen gas blending device is a pipeline type device, and comprises a high-pure nitrogen gas input pipeline, an ammonia decomposition gas input pipeline, a nitrogen and hydrogen gas blending pipeline, an adjusting valve, a control system and the like. By adopting the scheme, the purpose is achieved that the high-pure nitrogen gas input pipeline and the ammonia decomposition gas containing 75% of hydrogen gas can be blended into nitrogen and hydrogen mixture gas with certain proportion in a nitrogen and hydrogen blending pipe in an on-line manner as per the proportion required by an annealing furnace, the ingredient of the mixture gas is qualified after being subjected to on-line detection, and the mixture gas is delivered to gas using places. According to the utility model, the pipeline type nitrogen and hydrogen gas blending device dispenses with a hydrogen storage tank arranged indoors, meets the requirements of the relevant national design code (Design Code for Hydrogen Station with the Standard Number of GB50177-2005), has small occupied land area, and saves investment.
Description
Technical field
The utility model relates to a kind of nitrogen hydrogen gas mixing device, particularly is used for the nitrogen hydrogen gas mixing device of copper and copper alloy bright annealing.
Background technology
In the bright annealing process of copper and copper alloy tube bar production, in order to prevent the product oxidation, improve the quality of products, need charge into the nitrogen-hydrogen protective atmosphere of hydrogeneous (3%～30%) to annealing furnace; And the nitrogen hydrogen ratio of the alloy annealing arts demand of the different trades mark is different.If the storage tank and the gas that is mixed are set near annealing furnace, not only take plant area big, increase investment and unsafe factor, and do not meet the relevant design code requirement must not be in the indoor regulation that hydrogen-holder is set.In the workshop, be equipped with under the situation of many annealing furnaces; If outside the workshop, be mixed gas, because it is different to produce product, every the required nitrogen hydrogen of annealing furnace ratio is inconsistent; In configuration, not only to mix the gas tank device for every annealing furnace is provided with a cover; Also need overlap independently special gas pipeline for every annealing furnace configuration one, when investment strengthens, also will cause the workshop interior conduit intricate, management difficulty strengthens.
Summary of the invention
The purpose of the utility model is to be provided for the nitrogen hydrogen gas mixing device of copper and copper alloy bright annealing.This scheme can realize that the gas (abbreviation decomposed ammonia) that the ammonia of high pure nitrogen and hydrogeneous 75% decompose to produce carries out the online proportional nitrogen and hydrogen mixture that is mixed according to the needed proportioning of annealing furnace in mixing tube, after online detection gas ingredients is qualified, is delivered to by corresponding valve and uses the gas point.
The technical scheme of the utility model is: the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing; Comprise high pure nitrogen input channel, decomposed ammonia input channel, nitrogen hydrogen mixing duct and valve; It is characterized in that: stop valve, self-operated type pressure regulator valve, air bladder pressure regulator valve, Pressure gauge, flowmeter, flow control system, flange check valve all are installed on said high pure nitrogen input channel and the decomposed ammonia input channel; Stop valve, air bladder pressure regulator valve, sampling pressure-reducing valve, Pressure gauge, flowmeter, flow control system, hydrogen analyzer, control pressurer system are installed on the said nitrogen hydrogen mixing duct; Said high pure nitrogen input channel is connected with high pure nitrogen steam line, decomposed ammonia steam line respectively with decomposed ammonia input channel one end, and the other end is connected with nitrogen hydrogen mixing duct.
Preferably, has the display screen that is used to show output high pure nitrogen and nitrogen hydrogen mixeding gas parameter on said flow control system and the control pressurer system.
Preferably, said flow control system and control pressurer system are provided with audible-visual annunciator.
Preferably, be provided with drain on the said nitrogen hydrogen mixing duct.
Preferably, be provided with a bypass duct on the said high pure nitrogen input channel.
Preferably, be provided with a bypass duct on the said decomposed ammonia input channel.
High pure nitrogen and the decomposed ammonia body of input gets into nitrogen hydrogen mixing duct through input channel through corresponding control valve and flowmeter, in mixing duct, is mixed into a certain proportion of product gas, and warp accordingly valve deliver to and use the gas point.Establish air bladder pressure regulator valve, flowmeter, hydrogen analyzer on the nitrogen hydrogen mixing duct, pressure, flow and hydrogen content that can online detection nitrogen and hydrogen mixture, and send signal to the control system and adjust accordingly.Through the hydrogen content in the hydrogen analyzing and testing product gas, with setting value relatively, set the flow control valve of a standard signal to the nitrogen hydrogen mixing duct, thereby what of control hydrogen addition guarantee that hydrogen content in the product gas is in the scope of regulation.
The advantage of the utility model is: (1) operator can be according to technological requirement, and through the hydrogen content of signal input nitrogen hydrogen mixeding gas, the control system makes the gas of output satisfy the requirement of stipulating according to the open degree that requires the automatic regulating valve door of hydrogen content; (2) control system shows parameters such as the pressure, flow, oxygen content, hydrogen content, dew point of output high pure nitrogen and nitrogen hydrogen mixeding gas on display screen; (3) control system is provided with warning function, and when output gas hydrogen content, flow, when pressure and other parameters surpasses setting value, system can send sound and light alarm, and on display screen the display alarm type; (4) adopt the duct type gas mixing device, can dispose gas mixing device near the gas equipment in the workshop, realize being mixed of gas, avoided, meet the pertinent regulations of relevant design standard (GB50177-2005 hydrogen station design specification) at the indoor hydrogen-holder that is provided with.When (5) in the workshop, being furnished with many annealing furnaces, before only need received each annealing furnace with the gas main, carry out the control and regulation and the online detection of gas mixing separately respectively, simplified the pipeline in the workshop.(6) floor space is little, and is easy to operation, practices thrift investment.
Description of drawings
Fig. 1 is used for the nitrogen hydrogen gas mixing device system diagram of copper and copper alloy bright annealing for the utility model.
Configuration schematic diagram when Fig. 2 is used for many bright annealing furnaces for adopting gas mixing device.
Among the figure a be high pure nitrogen import, b be decomposed ammonia import, c for the be mixed gas outlet, d of nitrogen hydrogen be that drain, 1 is control pressurer system for hydrogen analyzer, 11 for flow control system, 10 for flowmeter, 9 for Pressure gauge, 8 for sampling pressure-reducing valve, 7 for flange check valve, 6 for air bladder pressure regulator valve, 5 for self-operated type pressure regulator valve, 4 for stop valve, 3 for nitrogen hydrogen mixing duct, 2.
The specific embodiment
Further narrate the enforcement of the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing below in conjunction with accompanying drawing.
Adopting the duct type gas mixing device according to the utility model shown in the accompanying drawing 1 is that copper and copper alloy bright annealing provide nitrogen and hydrogen mixture, and Media Interface Connector is mixed by high pure nitrogen import a, decomposed ammonia import b, nitrogen hydrogen, and gas exports c and drain d forms.The high pure nitrogen of input and hydrogeneous 75% decomposed ammonia get into nitrogen hydrogen mixing duct 1 through corresponding control valve and flowmeter, in nitrogen hydrogen mixing duct 1, are mixed into a certain proportion of product gas, and deliver to through valve accordingly and to use the gas point.If when meeting maintenance, then ducted residual gas is discharged through drain d.
Establish stop valve 2, self-operated type pressure regulator valve 3, air bladder pressure regulator valve 4, flange check valve 5, Pressure gauge 7, flowmeter 8 on the high pure nitrogen input channel; Can online detection nitrogen gas pressure, flow, and send signal to corresponding flow control system 9 and adjust.For ease of maintenance, a bypass pipeline is set, stop valve 2 is set on the bypass duct.
Establish stop valve 2, self-operated type pressure regulator valve 3, air bladder pressure regulator valve 4, flange check valve 5, Pressure gauge 7, flowmeter 8 on the decomposed ammonia input channel; Can online detection nitrogen gas pressure, flow, and send signal to corresponding flow control system 9 and adjust.For ease of maintenance, a bypass pipeline is set, stop valve 2 is set on the bypass duct.
On nitrogen hydrogen mixing duct 1, establish stop valve 2, air bladder pressure regulator valve 4, Pressure gauge 7, flowmeter 8; Pressure, flow and hydrogen content that can online detection nitrogen and hydrogen mixture, and send signal to control pressurer system 11 and adjust accordingly with flow control system 9.Be sampled to the hydrogen content in the testing product gas in the hydrogen analyzer 10 through sampling pressure-reducing valve 6; Compare with setting value; Set a standard signal and regulate the flow of hydrogen in the nitrogen and hydrogen mixture pipeline 1 through flow control system 9 and flowmeter 8; What of control hydrogen addition guarantee that hydrogen content in the product gas is in the scope of regulation.
Control pressurer system 11 has the isoparametric display screen of pressure, flow, oxygen content, hydrogen content, dew point that is used to show output high pure nitrogen and nitrogen hydrogen mixeding gas with flow control system 9.
Control pressurer system 11 is provided with alarm with flow control system 9, has warning function, and when output gas hydrogen content, flow, when pressure and other parameters surpasses setting value, system can send sound and light alarm, and on display screen the display alarm type.
Arrangement when accompanying drawing 2 is illustrated in copper and the copper alloy job shop many of configurations use the nitrogen hydrogen to be mixed bright annealing furnace that gas carries out protectiveness annealing; This device comprises gas steam line, at least one nitrogen hydrogen gas mixing device, at least one bright annealing furnace at least; The nitrogen hydrogen gas mixing device that uses is the nitrogen hydrogen gas mixing device of copper disclosed in the utility model and copper alloy bright annealing; Each nitrogen hydrogen gas mixing device one end connects steam line, and the other end connects a bright annealing furnace.
Said steam line is made up of high pure nitrogen steam line and decomposed ammonia steam line, charges in the annealing furnace after being mixed in the technological requirement ratio respectively through many nitrogen hydrogen gas mixing devices.When carrying out the bright annealing furnace of protectiveness annealing if any independent use nitrogen, need directly high pure nitrogen is inserted in the annealing furnace after pressure regulation to use, then steam line is merely 1 high pure nitrogen steam line.
Therefore adopt the arrangement of the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing of the utility model; Can be according to producing the product nitrogen and hydrogen mixture ratio of every annealing furnace of control flexibly; Avoided also having simplified the pipe arrangement in the workshop, met the pertinent regulations of relevant design standard (GB50177-2005 hydrogen station design specification) at the indoor hydrogen-holder that is provided with; Practice thrift investment, safe and convenient operation.
Claims (6)
1. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing; Comprise high pure nitrogen input channel, decomposed ammonia input channel, nitrogen hydrogen mixing duct and valve; It is characterized in that: stop valve (2), self-operated type pressure regulator valve (3), air bladder pressure regulator valve (4), Pressure gauge (7), flowmeter (8), flow control system (9), flange check valve (5) all are installed on said high pure nitrogen input channel and the decomposed ammonia input channel; Stop valve (2), air bladder pressure regulator valve (4), sampling pressure-reducing valve (6), Pressure gauge (7), flowmeter (8), flow control system (9), hydrogen analyzer (10), control pressurer system (11) are installed on the said nitrogen hydrogen mixing duct (1); Said high pure nitrogen input channel is connected with high pure nitrogen steam line, decomposed ammonia steam line respectively with decomposed ammonia input channel one end, and the other end is connected with nitrogen hydrogen mixing duct (1).
2. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing according to claim 1 is characterized in that: have the display screen that is used to show output high pure nitrogen and nitrogen hydrogen mixeding gas parameter on said flow control system (9) and the control pressurer system (11).
3. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing according to claim 2 is characterized in that: said flow control system (9) and control pressurer system (11) are provided with audible-visual annunciator.
4. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing according to claim 1 is characterized in that, is provided with drain on the said nitrogen hydrogen mixing duct (1).
5. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing according to claim 1 is characterized in that, is provided with a bypass duct on the said high pure nitrogen input channel.
6. the nitrogen hydrogen gas mixing device that is used for copper and copper alloy bright annealing according to claim 1 is characterized in that, is provided with a bypass duct on the said decomposed ammonia input channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204103507U CN202343113U (en) | 2011-10-25 | 2011-10-25 | Nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204103507U CN202343113U (en) | 2011-10-25 | 2011-10-25 | Nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy |
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| Publication Number | Publication Date |
|---|---|
| CN202343113U true CN202343113U (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204103507U Expired - Lifetime CN202343113U (en) | 2011-10-25 | 2011-10-25 | Nitrogen and hydrogen gas blending device used for bright annealing of copper and copper alloy |
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| CN (1) | CN202343113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479123A (en) * | 2019-09-24 | 2019-11-22 | 苏州宏博净化设备有限公司 | Intelligent automatic hydrogen nitrogen matching device |
-
2011
- 2011-10-25 CN CN2011204103507U patent/CN202343113U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479123A (en) * | 2019-09-24 | 2019-11-22 | 苏州宏博净化设备有限公司 | Intelligent automatic hydrogen nitrogen matching device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |