CN201651761U - Horizontal nitrogen vaporizer - Google Patents
Horizontal nitrogen vaporizer Download PDFInfo
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- CN201651761U CN201651761U CN2010203017001U CN201020301700U CN201651761U CN 201651761 U CN201651761 U CN 201651761U CN 2010203017001 U CN2010203017001 U CN 2010203017001U CN 201020301700 U CN201020301700 U CN 201020301700U CN 201651761 U CN201651761 U CN 201651761U
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Abstract
The utility model relates to a horizontal nitrogen vaporizer, wherein, a horizontal housing, a housing flange, a tube plate, a channel box flange and a channel box are connected in sequence. The channel box is divided into two spaces by a partition board; liquid nitrogen inlet is formed at the left lower end of the channel box, and a nitrogen outlet is formed at the upper end of the channel box; a plurality of baffle plates are arranged inside the housing; a clip-type heat exchange pipe arranged inside the housing is communicated with the inner parts of the two spaces in upper-lower arrangement; a circulating water inlet, a circulating water pollution discharge port and a circulating water outlet are formed at the lower end of the housing; and a noncondensing gas discharge outlet is formed at the upper end of the housing. The horizontal nitrogen vaporizer has the advantages as follows: the clip-type pipe structure capable of stretching out and drawing back freely cannot be influenced by the thermal expansion and contraction of mediums with great difference in temperature; by adopting the horizontal structure, liquid enters from the lower end and gas is discharged from the upper end, so that the flow direction of airflow is facilitated, and the air lock can be avoided; in addition, a shell side utilizes the baffle plates to guide circulating water, so that the flow velocity of the circulating water is increased, the cross flow heat exchange is formed due to the mediums on two sides, the heat exchange efficiency is improved greatly, the heat exchange area is reduced, the structure is simple, the arrangement is compact, and the cost is low.
Description
Technical field
The utility model belongs to the low-temperature pressure container shell-and-tube heat exchanger of the part device of petrochemical equipment, particularly a kind of horizontal nitrogen vaporizer.
Background technique
Nitrogen is a kind of broad-spectrum industrial gas raw material, but with gas point apart from nitrogen source of the gas point far away and large usage quantity, nitrogen can be carried out cooling liquid in the source of the gas place of production and change into liquid nitrogen-LN2, utilize low-temperature tanker to be transported to and use the gas point, utilize vaporizer to gasify and also enter rear tracheae net after the voltage stabilizing, be applicable to the industrial user, liquid nitrogen converter is generally the gasification of air temperature type form, energy saving, but it is inoperative that ambient temperature is lower than 0 ℃ of air-heating type gasifier, this just needs to adopt the vaporizer of forced heat-exchanging, for the big occasion of nitrogen gas consumption, can utilize water-heating furnace to provide circulating hot water as the thermal source liquid nitrogen that gasifies.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of horizontal nitrogen vaporizer that is applicable to applying working condition is provided.This nitrogen vaporizer solves following difficult point: 1, cold and hot medium excessive temperature differentials, nearly 270 ℃, device structure will be considered to expand with heat and contract with cold significantly.2, liquid nitrogen acutely gasification in heat exchanging tube from liquid state-gas-liquid coexistence-gaseous state instantaneous conversion, is considered gas flow during the project organization form, prevent air-resistance phenomenon.3, heat exchanging tube is the multitubular bundles form, and the liquid air inlet attitude of nitrogen goes out, and when ductwork pressure was low especially in the wings, liquid inlet formed short circuit phenomenon easily, reduces vaporization ability significantly, need prevent short circuit during design.4, improve circulating water side heat exchange efficiency as far as possible, reduce heat exchange area, reduce equipment cost.
The technical solution of the utility model is:
A kind of horizontal nitrogen vaporizer is characterized in that: adopt the horizontal type tubular construction of wandering, the horizontal type shell left end connects shell flange, and shell flange connects tube sheet, and tube sheet connects channel flange, and channel flange connects bobbin carriage; Have dividing plate that bobbin carriage is divided into two spaces up and down in the middle of in the bobbin carriage, bobbin carriage lower-left end has the liquid nitrogen inlet, and there is nitrogen outlet the bobbin carriage upper end; At housing a plurality of deflection plates are arranged, a plurality of deflection plates are divided into space in the housing in the S passage of a plurality of connections; The type of wandering in housing heat exchanging tube, the type heat exchanging tube of wandering passes a plurality of deflection plates, and the type of wandering heat exchanging tube two-port is passed tube sheet respectively and is communicated with at bobbin carriage up and down in two spaces; Housing lower-left end has in circulating water inlet, the housing lower end have that right-hand member has circulating water outlet in circulating water sewage draining exit, the housing; There is not condensing gas discharge outlet the housing upper end.
Between the adjacent deflection plate distance sink tube is arranged, the pull bar that connects distance sink tube and deflection plate is arranged in the middle of the distance sink tube.
The circulating water inlet is provided with pressure gauge, and outlet is provided with thermometer.
The housing below is provided with supporting base, and the housing top is provided with hanger.
The utility model structural advantages is:
The type of the wandering tubular construction of retractable is not influenced by expanding with heat and contract with cold of the big medium of the temperature difference.Horizontal type structure, the form of giving vent to anger is beneficial to air flow direction on the following feed liquor, avoids vapour lock.Nitrogen inlet is provided with the turbulent baffle device that prevents short circuit.Utilize hydraulic barrier with the warm water water conservancy diversion, improve the circulating water flow velocity, media of both sides forms the cross flow heat exchange, significantly improves heat exchange efficiency, reduces heat exchange area, reduces equipment cost.Device structure is simple, arranges compactness, and the vaporization ability of nitrogen can reach 1000～100000NM3/h.
Description of drawings
Fig. 1 is the structural representation of horizontal nitrogen vaporizer
Among the figure:
1 bobbin carriage, 2 turbulent baffles, 3 dividing plates, 4 channel flanges, 5 tube sheets, 6 shell flanges, 7 heat exchanging tubes, 8 deflection plates, 9 housings, 10 hangers, 11 thermometers, 12 supporting bases, 13 distance sink tubes, 14 pull bars, 15 pressure gauges, 16 liquid nitrogen inlet N1,17 nitrogen outlet N2,18 circulating waters inlet N3,19 circulating water outlet N4,20 nitrogen discharging hole N5,21 not condensing gas discharge outlet N6,22 circulating water sewage draining exit N7
Embodiment
A kind of horizontal nitrogen vaporizer as shown in Figure 1 adopts the horizontal type tubular construction of wandering, and equipment shell side medium is a circulating water, utilizes many group deflection plates to carry out water conservancy diversion, fix by distance sink tube and pull bar between the deflection plate, intake-outlet below, be convenient to the on-the-spot pipe arrangement of user.Equipment tube side medium is a nitrogen, and heat exchanging tube is the two journeys type tubular constructions of wandering, and an end is the bobbin carriage of giving vent to anger on the feed liquor down, middlely divides journey with dividing plate.One end is the type of the wandering heat exchanging tube of retractable, and the heat exchanging tube expanded and welded tube joint is on fixed tube sheet, and channel flange and shell flange are firm with the tube sheet clamping.Nitrogen inlet is provided with the turbulent baffle that prevents short circuit.
The circulating water sewage draining exit is established in the housing below, and not condensing gas discharge outlet is established in the top, and the nitrogen discharging hole is established in tube side bobbin carriage below.The circulating water inlet is provided with on-the-spot indicating pressure gage, and outlet is provided with on-the-spot indicating thermometer.The housing below is provided with supporting base, and the top is provided with hanger.
A kind of horizontal nitrogen vaporizer, working principle: liquid nitrogen enters heat exchanger pipe bundle from bobbin carriage N1 mouth by turbulent baffle, circulating water is in circulating water inlet N3 access arrangement housing, through vertically passing heat exchanger pipe bundle behind the deflection plate water conservancy diversion, and flow out from the N4 mouth, liquid nitrogen endothermic gasification and overheated in the tube bank, gas enters the rear pipe network from the output of bobbin carriage N2 mouth.
Structure as shown in Figure 1, horizontal nitrogen vaporizer mainly supports whole equipment by supporting base, housing and supporting base adopt and are welded to connect, bobbin carriage is welded with pass partition and adpting flange, heat exchanging tube expands earlier and afterwards is welded on the tube sheet, some deflection plates are fixed on the heat exchanging tube by distance sink tube and pull bar, utilize bolt that tube sheet is fastening firmly between channel flange and shell flange, nitrogen is imported and exported with circulating water and all is connected with outside ductwork by form of flanges, each floss hole all is furnished with the screw thread ball valve, and the housing top is provided with hanger.
Horizontal liquid nitrogen vaporizer, this heat exchanger be after the pluses and minuses of having summed up the type heat exchange of heat pipe of wandering in conjunction with actual applying working condition, carry out improved a kind of type tubular construction heat exchanger of wandering.Adopt new structure Ao Lida company to design, make and put into operation, and obtained good effect.
Equipment shell side medium is a circulating water, utilizes many group deflection plates to carry out water conservancy diversion, fix by distance sink tube and pull bar between the deflection plate, intake-outlet below.Equipment tube side medium is a nitrogen, and heat exchanging tube is the two journeys type tubular constructions of wandering, and an end is the bobbin carriage of giving vent to anger on the feed liquor down, middlely divides journey with dividing plate.One end is the type of the wandering heat exchanging tube of retractable, and the heat exchanging tube expanded and welded tube joint is on fixed tube sheet, and channel flange and shell flange are firm with the tube sheet clamping.Nitrogen inlet is provided with turbulent baffle.Contact nitrogen position material is 304 stainless steels, guarantees the low temperature resistant applying working condition of material.
Claims (4)
1. a horizontal nitrogen vaporizer is characterized in that: a horizontal type shell is arranged, its housing left end connection shell flange, shell flange connection tube sheet, tube sheet connection channel flange, channel flange connection bobbin carriage; Have dividing plate that bobbin carriage is divided into two spaces up and down in the middle of in the bobbin carriage, the bobbin carriage upper end has nitrogen outlet, bobbin carriage lower-left end that the liquid nitrogen inlet is arranged; A plurality of deflection plates are arranged in housing, and a plurality of deflection plates are divided into space in the housing in the S shape passage of a plurality of connections; The type of wandering in housing heat exchanging tube, the type heat exchanging tube of wandering passes a plurality of deflection plates, and the type of wandering heat exchanging tube two-port is passed tube sheet respectively and is communicated with at bobbin carriage up and down in two spaces; Housing lower-left end has in circulating water inlet, the housing lower end have that right-hand member has circulating water outlet in circulating water sewage draining exit, the housing; There is not condensing gas discharge outlet the housing upper end.
2. horizontal nitrogen vaporizer according to claim 1 is characterized in that: between the adjacent deflection plate distance sink tube is arranged, the pull bar that connects distance sink tube and deflection plate is arranged in the middle of the distance sink tube.
3. horizontal nitrogen vaporizer according to claim 1 is characterized in that: the circulating water inlet is provided with pressure gauge, and outlet is provided with thermometer.
4. horizontal nitrogen vaporizer according to claim 1 is characterized in that: the housing below is provided with supporting base, and the housing top is provided with hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203017001U CN201651761U (en) | 2010-01-28 | 2010-01-28 | Horizontal nitrogen vaporizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203017001U CN201651761U (en) | 2010-01-28 | 2010-01-28 | Horizontal nitrogen vaporizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651761U true CN201651761U (en) | 2010-11-24 |
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ID=43117001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203017001U Expired - Fee Related CN201651761U (en) | 2010-01-28 | 2010-01-28 | Horizontal nitrogen vaporizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201651761U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530709A (en) * | 2012-02-14 | 2012-07-04 | 无锡辉腾科技有限公司 | Novel lifting lugs |
| CN102720947A (en) * | 2012-06-28 | 2012-10-10 | 艾淑艳 | Liquid ammonia gasifying system and gasifying process thereof |
| CN102980425A (en) * | 2012-11-14 | 2013-03-20 | 无锡市豫达换热器有限公司 | Low-temperature heat exchanger |
| CN104089180A (en) * | 2014-07-27 | 2014-10-08 | 苟仲武 | Novel liquid gasification device and work method |
| CN104315337A (en) * | 2014-10-14 | 2015-01-28 | 开封空分集团有限公司 | Device and method for discharging poisonous and harmful cryogenic liquid |
| CN106017150A (en) * | 2016-07-21 | 2016-10-12 | 黄志钊 | U-shaped shell type liquefied natural gas gasifier |
| CN109681773A (en) * | 2018-12-27 | 2019-04-26 | 中核北方核燃料元件有限公司 | A kind of normal temperature circulation aqueous ammonia gasification installation and method |
-
2010
- 2010-01-28 CN CN2010203017001U patent/CN201651761U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530709A (en) * | 2012-02-14 | 2012-07-04 | 无锡辉腾科技有限公司 | Novel lifting lugs |
| CN102720947A (en) * | 2012-06-28 | 2012-10-10 | 艾淑艳 | Liquid ammonia gasifying system and gasifying process thereof |
| CN102720947B (en) * | 2012-06-28 | 2015-04-15 | 田鹏程 | Liquid ammonia gasifying system and gasifying process thereof |
| CN102980425A (en) * | 2012-11-14 | 2013-03-20 | 无锡市豫达换热器有限公司 | Low-temperature heat exchanger |
| CN104089180A (en) * | 2014-07-27 | 2014-10-08 | 苟仲武 | Novel liquid gasification device and work method |
| CN104089180B (en) * | 2014-07-27 | 2016-03-09 | 苟仲武 | A kind of new liquid gasification installation and method of work |
| CN104315337A (en) * | 2014-10-14 | 2015-01-28 | 开封空分集团有限公司 | Device and method for discharging poisonous and harmful cryogenic liquid |
| CN106017150A (en) * | 2016-07-21 | 2016-10-12 | 黄志钊 | U-shaped shell type liquefied natural gas gasifier |
| CN109681773A (en) * | 2018-12-27 | 2019-04-26 | 中核北方核燃料元件有限公司 | A kind of normal temperature circulation aqueous ammonia gasification installation and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20140128 |