CN101430043A - Ammonia circulating vaporization method and its electric heating carburetor - Google Patents
Ammonia circulating vaporization method and its electric heating carburetor Download PDFInfo
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- CN101430043A CN101430043A CNA2007101346346A CN200710134634A CN101430043A CN 101430043 A CN101430043 A CN 101430043A CN A2007101346346 A CNA2007101346346 A CN A2007101346346A CN 200710134634 A CN200710134634 A CN 200710134634A CN 101430043 A CN101430043 A CN 101430043A
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- ammonia
- tank body
- electric heating
- storage tank
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Abstract
The invention discloses a method for circulating and vaporizing ammonia, which has low energy consumption and is safe and reliable; the method has the processing steps: an external ammonia pump used for storing automobile transmits a certain amount of liquid ammonia into a storage tank body; when the environmental temperature lowers, the liquid ammonia in the storage tank body enters into an electrical heating carburetor through a pipeline for liquid state heating, the liquid ammonia in the electrical heating carburetor is changed into gaseity to be circulated into the storage tank body and then is discharged from an exist of ammonia gas in the storage tank body; at the same time, the invention also discloses the electrical heating carburetor which has ingenious design and safe use, and can reduce the cost; the electrical heating carburetor mainly consists of a box body, a box top, box bottom, the exist of ammonia gas, a platinum resistance, a blowing tube, an ammonia inlet, a water inlet, an overfall gap and a vaporizing disc pipe; the differences line in that the box body is provided with a juice level gauge and is internally equipped with an explosion prevention heating device; the invention can be widely applied to the industries such as iron and steel, powder metallurgy, heat treatment, chemical engineering and the like which transform liquid ammonia into gaseous ammonia.
Description
Technical field
The present invention relates to raw material supplyings such as a kind of ammonia purifying, ammonia decomposition, ensured the method for the gas of supplying raw materials steady in a long-term, specifically relate to a kind of improvement of ammonia circulating vaporization method.
The invention still further relates to the ammonia circulating vaporization special device--the architecture advances of electric heating carburetor.
Background technique
Present known ammonia groove technology is no circulating vaporization system, and direct delivering liquid ammonia of tank body or steam state ammonia use to the user, and the tank body internal pressure changes along with variation of ambient temperature, especially in China the Northeast, and the winter environment temperature is below-10.Tank body pressure is " 0 ".Can't be delivered to back level and use, can't satisfy client's demand that stops production, cause the client to stop production, production unit is in order to solve the production problem, and often to tank body top-pour hot water or heat with naked light more than 60 ℃, the method energy consumption is big again, and safety is a problem.
Though also developed electric heating carburetor on the market, following defectives are in use arranged: 1,5-15 electric heating tube be housed on this vaporizer, and complex structure increases cost; 2, do not have level displaying device, easily produce the device interior dry combustion method and cause damaging phenomenon; 3, ammonia vaporised behind the electric heater for heating water is not explosion-proof heating, causes great potential safety hazard.
Summary of the invention
At above-mentioned existing problems, stable for effectively ensureing client's usefulness gas, it is different and to loss and potential safety hazard that the client brings to solve throughout the year ambient temperature, the present invention proposes the ammonia circulating vaporization method of the low but also safety and stability of a kind of not only energy consumption.
The present invention has simultaneously also proposed a kind of electric heating carburetor ingenious, safe in utilization, that can reduce cost that designs.
Technological scheme of the present invention is achieved in that a kind of ammonia circulating vaporization method, and its process step is as follows: 1, the automobile-used ammonia pump of external storage is sent a certain amount of liquefied ammonia into the tank body storage tank; 2, descend when ambient temperature, the liquefied ammonia in the tank body storage tank enters electric heating carburetor by pipeline to carry out liquid state and heats; 3, the liquefied ammonia of electric heating carburetor becomes gaseous state and is recycled in the tank body storage tank; 4, the ammonia outlet in the tank body storage tank.
The tank body storage tank equipment is made by Jiangsu department of Jingjiang Ni Sheng group company among the present invention.
A kind of electric heating carburetor, mainly by at the bottom of casing, case top, the case, ammonia outlet, platinum resistor, drain pipe, ammon entry hole, water intake, overflow, vaporization coil pipe form, its difference is: the water level meter has been installed on casing; Explosion-proof heating equipment has been installed in casing.
Working principle of the present invention:
Adopted and utilized difference of liquid level earlier liquid ammonia to be sent into electric heating carburetor, carrying out liquid state by the temperature of water in the electric heating carburetor heats, allow liquefied ammonia change gaseous ammonia into, gaseous ammonia pressure is sent into the ammonia groove after raising, liquid ammonia constantly is transported to electric heating carburetor in the ammonia groove, high-pressure gaseous ammonia after heating constantly is transported to the ammonia groove, reaches the pressure that keeps in the ammonia groove about 0.8Mpa at last.Finally satisfy client's production demand.This tank body internal pressure is raise, consider safety, factors such as environmental protection have adopted liquefied ammonia-gas ammonia, utilize the pressure of 0.8Mpa that liquid ammonia is transferred out, and so satisfy air feed steady in a long-term.Because heating equipment is to come ammonia vaporised by water after adding hot water earlier, and does not have any dispensing gas in the process, is entirely the closed loop flow process.
Advantage of the present invention is:
1. lower owing to ambient temperature when winter, adopted the water more than 60 ℃ to heat in the past to tank body, guarantee tank body pressure, hot water flows into sewerage by tank body at once, the energy consumption of the energy consumption of water and electricity is all big especially, therefore scheme again can the conserve water consumption, power consumption, save more than 50% than former method like this.
2. be not affected by the external environment, can remain tank body pressure, kept sending the energy of defeated raw material; After the second tank body internal pressure reached certain value, electric heating carburetor stopped heating (electric heating carburetor is with the interlocking of tank body pressure) automatically.
3. electric heating carburetor is inflammable owing to ammonia again because the heat vapourizer that adds of cylindrical adopts 5-15 heating equipment, and hot spot is many, and inconvenience is provided with explosion-proof at present, explosives, and therefore anti-explosion safety does not have very big problem.And the hot spot of present device is fewer, and therefore all employing is explosion-proof, solves problem safe in utilization.
4. electric heating carburetor does not have the water level demonstration, may cause phenomenons such as dry combustion method as lack of water, and heating system goes wrong easily.And the utility model product has water level to show, highly is 1 meter high, former general 2 meters of the heat vapourizer height that adds.Therefore can also dismantle cleaning from the top and use the incrustation scale that produces, and can open the observation water level, also solve problem safe in utilization owing to long-time.
5. owing to compact structure, volume is little, and structure is comparatively reasonable, ingenious thus; Saved cost on the whole widely.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further to describe.
Fig. 1 is an embodiment's of present device a plan view;
Fig. 2 is the right elevation of Fig. 2;
Fig. 3 is the process flow diagram of one embodiment of the invention.
Among the figure: 1, casing; 11, water level meter; 12, platinum resistor; 13, overflow; 14, water intake; 15, ammon entry hole; 16, vaporization coil pipe; 17, explosion-proof heating equipment; 2, case top; 21, ammonia outlet; 211, ammonia outlet pipe; 212, flange; 3, at the bottom of the case; 31, drain pipe; 32, base; 4, ammonia pump; 5, tank body; 6, electric heating carburetor.
Specific embodiments
As can be seen from Figure 3, a kind of ammonia circulating vaporization method, its process step is as follows: A, the automobile-used ammonia pump 4 of external storage are sent the liquefied ammonia of 5000kg into tank body 5 storage tanks, can be with 100 hours during as use amount 50kg per hour; B, when in using process in 100 hours since the ammonia groove in gaseous ammonia constantly reduce, the heat transfer area of tank body 5 is smaller, do not reach demand in the using process, tank body 5 pressure constantly descend, concrete ambient temperature is as follows with pressure dependence: drop to when using the gas point pressure identical, system can't carry the power source that runs out of steam backward again, does not satisfy production.Be 0.1Mpa for example with the gas point pressure.Under the normal temperature usefulness gas point, pressure is 0.1Mpa, pressure balance so, can't carry, lose pressure reduction, drop to certain value with the gas point pressure, liquefied ammonia in tank body 5 storage tanks enters electric heating carburetor 6 by pipeline to carry out liquid state and heats, and when 60 ℃ of heating, ammonia pressure will rise to-Mpa this moment.Utilize this pressure that liquid ammonia is extruded; The liquefied ammonia of C, electric heating carburetor 6 becomes gaseous state and is recycled in tank body 5 storage tanks; Ammonia outlet in D, tank body 5 storage tanks is used for the client.
Solved the process that must heat again at a certain temperature when the client uses gas ammonia, reached energy efficient, and can utilize tank body pressure that liquefied ammonia is sent into gas point and use.
As can be seen, a kind of electric heating carburetor is cuboid from Fig. 1, Fig. 2, by 3 forming profile at the bottom of casing 1, case top 2, the case.Casing 1 is riveted joint with the Placement on case top 2; Casing 1 is welding with the Placement on case top 2; Weldering connects ammonia outlet pipe 211 on case top 2, and the other end of ammonia outlet pipe 211 and flange 212 spiral shells connect, and forms ammonia outlet 21; At the bottom of the case on 3 weldering connect drain pipe 31, by ball valve control sewage draining exit; 3 both sides spiral shells are even settled base 32 at the bottom of the case; Periphery at casing 1: 2/3 place's spiral shell is even installed water level meter 11 on it, with the left side design weldering of water level meter 11 parallel positions platinum resistor 12 is installed even, the design weldering connects overflow 13 in the left side of platinum resistor 12, and weldering connects the water intake 14 that ball valve is installed directly over overflow 13; In the weldering of the bottom of casing 1 periphery the ammon entry hole 15 of being with valve is installed even, the metal tube of this ammon entry hole 15 stretches into forms vaporization coil pipe 16 in the casing 1, and an end spiral shell of described explosion-proof heating equipment 17 even is fixed on outside the casing 1 and places, and the other end stretches in the casing 1.
Electric heating different temperatures contrast different pressures is as follows:
| Saturation temperature ℃ | Saturation pressure Kgf/cm2 | Saturation temperature ℃ | Saturation pressure Kgf/cm2 |
| -70 | 0.1114 | 5 | 5.259 |
| -60 | 0.2233 | 10 | 6.271 |
| -50 | 0.4168 | 15 | 7.427 |
| -40 | 0.7318 | 20 | 8.741 |
| -30 | 1.219 | 25 | 10.225 |
| -25 | 1.546 | 30 | 11.895 |
| -20 | 1.940 | 35 | 13.765 |
| -15 | 2.410 | 40 | 15.850 |
| -10 | 2.966 | 45 | 18.165 |
| -5 | 3.619 | 50 | 20.727 |
| 0 | 4.379 |
Claims (4)
1. ammonia circulating vaporization method, it is characterized in that: this process step is as follows:
A, the automobile-used ammonia pump of external storage are sent a certain amount of liquefied ammonia into the tank body storage tank;
B, descend when ambient temperature, the liquefied ammonia in the tank body storage tank enters electric heating carburetor by pipeline to carry out liquid state and heats;
The liquefied ammonia of C, electric heating carburetor becomes gaseous state and is recycled in the tank body storage tank;
Ammonia outlet in D, the tank body storage tank.
2. electric heating carburetor, mainly by at the bottom of casing, case top, the case, ammonia outlet, platinum resistor, drain pipe, ammon entry hole, water intake, overflow, vaporization coil pipe form, it is characterized in that: the water level meter has been installed on casing; Explosion-proof heating equipment has been installed in casing.
3. electric heating carburetor according to claim 2 is characterized in that: an end spiral shell of described explosion-proof heating equipment even is fixed on casing and places outward, and the other end stretches in the casing.
4. electric heating carburetor according to claim 2 is characterized in that: described water level meter spiral shell connects 2/3 place of the periphery that is installed in casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101346346A CN101430043A (en) | 2007-11-05 | 2007-11-05 | Ammonia circulating vaporization method and its electric heating carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101346346A CN101430043A (en) | 2007-11-05 | 2007-11-05 | Ammonia circulating vaporization method and its electric heating carburetor |
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| Publication Number | Publication Date |
|---|---|
| CN101430043A true CN101430043A (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101346346A Pending CN101430043A (en) | 2007-11-05 | 2007-11-05 | Ammonia circulating vaporization method and its electric heating carburetor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042480A (en) * | 2010-11-24 | 2011-05-04 | 安徽省电力科学研究院 | Carbon dioxide gasifier used for hydrogen replacement in generator set |
| CN102155606A (en) * | 2010-12-14 | 2011-08-17 | 天津市新宇彩板有限公司 | Ammonia gas supplying device |
| CN108980608A (en) * | 2018-09-30 | 2018-12-11 | 洛阳天泽气体有限公司 | A kind of production nitrogen liquefied ammonia recirculated water carburetor arrangement |
| CN109000151A (en) * | 2018-09-30 | 2018-12-14 | 洛阳天泽气体有限公司 | A kind of liquefied ammonia recirculated water carburetor arrangement with energy conservation and shock-absorbing function |
-
2007
- 2007-11-05 CN CNA2007101346346A patent/CN101430043A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042480A (en) * | 2010-11-24 | 2011-05-04 | 安徽省电力科学研究院 | Carbon dioxide gasifier used for hydrogen replacement in generator set |
| CN102155606A (en) * | 2010-12-14 | 2011-08-17 | 天津市新宇彩板有限公司 | Ammonia gas supplying device |
| CN108980608A (en) * | 2018-09-30 | 2018-12-11 | 洛阳天泽气体有限公司 | A kind of production nitrogen liquefied ammonia recirculated water carburetor arrangement |
| CN109000151A (en) * | 2018-09-30 | 2018-12-14 | 洛阳天泽气体有限公司 | A kind of liquefied ammonia recirculated water carburetor arrangement with energy conservation and shock-absorbing function |
| CN109000151B (en) * | 2018-09-30 | 2024-05-03 | 洛阳天泽气体有限公司 | Liquid ammonia circulating water vaporizer device with energy-saving and shock-absorbing functions |
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Open date: 20090513 |