CN202729790U - Two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace - Google Patents
Two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace Download PDFInfo
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- CN202729790U CN202729790U CN2012203636918U CN201220363691U CN202729790U CN 202729790 U CN202729790 U CN 202729790U CN 2012203636918 U CN2012203636918 U CN 2012203636918U CN 201220363691 U CN201220363691 U CN 201220363691U CN 202729790 U CN202729790 U CN 202729790U
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- graphite
- hot water
- hydrochloric acid
- falling film
- steel shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses a two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace, which comprises a graphite furnace barrel, wherein a lower steel shell is arranged outside the graphite furnace barrel; a circulating water cavity is formed between the graphite furnace barrel and the lower steel shell; a heat exchange block is arranged in the lower steel shell and at the upper end of the graphite furnace barrel; the upper end of the heat exchange block is provided with a transition nipple; the transition nipple is provided with a liquid-vapor separator; a graphite falling film absorption block is arranged above the liquid-vapor separator; an upper shell is arranged outside the liquid-vapor separator and the graphite falling film absorption block; a cooling water cavity is formed among the liquid-vapor separator, the graphite falling film absorption block and the upper shell; an upper sealing head is arranged above the graphite falling film absorption block; and a combustion device is arranged at the bottom of the graphite furnace barrel. The two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace has the advantages of rational structure and high heating efficiency.
Description
Technical field
The utility model relates to a kind of three-in-one hydrochloric acid synthetic furnace.
Background technology
The synthesizing chlorinated hydrogen of chlorine and combustion of hydrogen is mainly adopted first in the production of technical hydrochloric acid, and is usually synthetic in steel or graphitic synthetic furnace cylinder; Because synthetic gas temperature＞1500 ℃ needs are lowered the temperature by graphite cooler; Hydrogen chloride gas after the cooling absorbs the generation synthetic hydrochloric acid with diluted acid again in falling-film absorber.Conventional production adopts three equipment to finish respectively above-mentioned three process.Advanced flow process is incorporated into three operations of above-mentioned synthetic--cooling--absorption in the equipment and finishes, and China is called three-in-one hydrochloric acid synthetic furnace.And more advanced be to utilize graphite material in the synthetic furnace or the high heat conductance of steel stove cylinder, the combustion heat of hydrogenchloride is passed to circulating hot water increases the heat content of circulating hot water to realize UTILIZATION OF VESIDUAL HEAT IN.The three-in-one stove (being called for short energy-saving three-in-one stove) of byproduct steam (hot water) is the down-firing type both at home and abroad.
The constructional feature of the three-in-one stove of down-firing mainly is: the equipment outer steel shell mainly adopts impregnated graphite manufacturing with combustion gases and synthetic sour contact part with so that the recirculated water of cooling (or heat-obtaining) can flow in the shell in equipment.Synthetic combustion section (the synthetic furnace cylinder of the three-in-one stove of domestic and foreign current down-firing (comprising energy-saving three-in-one stove), can be that the graphite furnace cylinder also can be steel stove cylinder) lower, receive cooling section (using water quench) for synthetic HCl aspiration on the stove cylinder, mainly formed by graphite absorption heat-exchange piece closed assembly, it is characterized in that there is larger cavity at every heat transfer block middle part, form chimney-like high temperature HCl passage behind the closed assembly, this high temperature HCl is risen to turn back behind the top by centre channel and enters absorption heat-exchange piece section downwards, in the longitudinal hole of absorption heat-exchange piece from top to bottom in the flow process, with enter equally absorption heat-exchange piece longitudinal hole after the furnace roof section input, and become the absorption liquid (being generally dilute hydrochloric acid) that film like flows from top to bottom to flow through in the journey by the hole inwall, be absorbed to generate the hydrochloric acid that needs.
Existing energy-saving three-in-one stove and accessory has following characteristics: (1) passes to circulating hot water with energy-conservation by synthetic furnace cylinder (graphite or steel) with the HCl combustion heat, and its heat-obtaining section is the synthetic furnace cylinder; (2) the absorption heat-exchange piece section center with water quench has than macroscopic void, have two advantages: 1. the HCl high-temperature gas thus " chimney " rise and to make the absorption heat-exchange piece reduce ablated risk, make synthetic HCl gas thus " chimney " turn back downwards after rising to the top, form next advantage: (3) absorption heat-exchange piece section be positioned at above-mentioned high-temperature flue around, thereby reduced the equipment height overall, (4) product hydrochloric acid and discharge a tail gas is all by the absorber portion bottom, and the gas-liquid separator that is positioned at the equipment middle part is discharged respectively.Also have the following disadvantages simultaneously: the cooling performance of (1) high temperature HCl in flue is relatively poor, the separator of (2) middle part acid discharge, a tail gas of row is sitting at high temperature HCl gas position, and contact the graphite inner tube wall Non-water-cooled of this high temperature HCl, improved and sour temperature, also increased decrepitate hidden danger.
Summary of the invention
It is a kind of rational in infrastructure that the purpose of this utility model is to provide, two sections heat-obtaining type byproduct steams that heat-obtaining efficient is high or the three-in-one hydrochloric acid synthetic furnace of hot water.
Technical solution of the present utility model is:
The three-in-one hydrochloric acid synthetic furnace of a kind of two sections heat-obtaining type byproduct steams or hot water, comprise the graphite furnace cylinder, graphite furnace cylinder peripheral hardware deposits section's outer steel shell, be circulating water cavity between graphite furnace cylinder and the bottom outer steel shell, it is characterized in that: in the outer steel shell of bottom, graphite furnace cylinder upper end arranges heat transfer block, the heat transfer block upper end arranges transition pipe nipple, gas-liquid separator is set on the transition pipe nipple, the gas-liquid separator top arranges graphite falling film absorption piece, at gas-liquid separator, graphite falling film absorption piece peripheral hardware is set up section's shell, and gas-liquid separator, it is cooling water cavity between graphite falling film absorption piece and the upper case, graphite falling film absorption piece top arranges upper cover, in graphite furnace cylinder bottom combustion unit is set.
Graphite water-cooled heat transfer block is set between transition pipe nipple and gas-liquid separator, and graphite water-cooled heat transfer block is positioned at upper case.
The bottom outer steel shell is divided into up and down not connected two sections, and the graphite furnace cylinder of corresponding site is divided into up and down graphite furnace cylinder, is cooling water cavity between the hypomere of lower graphite furnace cylinder and bottom outer steel shell, is the cycling hot water cavity between the epimere of upper graphite furnace cylinder and bottom outer steel shell.
Each hole on lastblock falling film absorption piece is equipped with upflow tube, and the upflow tube top arranges grid distributor.
Be provided with the graphite rupture disk at the upper cover top.
The utility model is rational in infrastructure, has realized the many places innovation: (1) expands to stove cylinder and two sections heat-obtainings of heat transfer block by one section heat-obtaining of former stove cylinder, and (getting) hot side that changes of heat transfer block amasss much larger than the stove cylinder; (2) increase the water cooling of acid discharge place reducing the acid discharge temperature, and this water-cooled heat transfer block has reduced the temperature favorable for absorption of advancing absorber portion HCl; (3) changing former following current is absorbed as counter-current absorption and is conducive to improve acid concentration; Can improve the heat-obtaining rate thus, improve energy-saving effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Embodiment
The three-in-one hydrochloric acid synthetic furnace of a kind of two sections heat-obtaining type byproduct steams or hot water, comprise the graphite furnace cylinder, graphite furnace cylinder peripheral hardware deposits section's outer steel shell, be circulating water cavity between graphite furnace cylinder and the bottom outer steel shell, in the outer steel shell of bottom, graphite furnace cylinder upper end arranges heat transfer block 5, the heat transfer block upper end arranges transition pipe nipple 6, gas-liquid separator 8 is set on the transition pipe nipple, the gas-liquid separator top arranges graphite falling film absorption piece 10, at gas-liquid separator, graphite falling film absorption piece peripheral hardware is set up section's shell 11, and gas-liquid separator, it is cooling water cavity between graphite falling film absorption piece and the upper case, graphite falling film absorption piece top arranges upper cover 15, in graphite furnace cylinder bottom combustion unit is set.
Graphite water-cooled heat transfer block 7 is set between transition pipe nipple and gas-liquid separator, and graphite water-cooled heat transfer block is positioned at upper case 11.
The bottom outer steel shell is divided into up and down not connected two section 1,4, the graphite furnace cylinder of corresponding site is divided into up and down graphite furnace cylinder 2,3, being between the hypomere of lower graphite furnace cylinder and bottom outer steel shell cooling water cavity (a pipe advances, b pipe go out), is cycling hot water cavity (the c pipe advances, d pipe go out) between the epimere of upper graphite furnace cylinder and bottom outer steel shell.
Each hole on lastblock falling film absorption piece is equipped with upflow tube 12, and the upflow tube top arranges grid distributor 13.Be provided with graphite rupture disk 16 at the upper cover top.
After a part of combustion heat of high temperature HCl passes to the circulating hot water that advanced by the c pipe in the boiler jacket by graphite furnace cylinder 3 first routinely, upwards further pass to circulating hot water (being gone out by the d pipe) by heat transfer block 5 again, because the heat transfer area of heat transfer block 5 improves heat-obtaining efficient greatly much larger than the heat transfer area of stove cylinder 3.
HCl gas after the cooling is upwards by behind the transition pipe nipple 6, further lowered the temperature during by graphite water-cooled heat transfer block 7, be dissolved into acid to be conducive to it, HCl after the cooling by the riser 9 on the gas-liquid separator 8 after, when entering in the longitudinal hole of graphite falling film absorption piece 10 to upper circulation, absorbed the raising acid concentration by the absorption liquid that flows along hole wall from top to bottom, when flowing to separator 8 downwards, can reach 31～35% concentration, go out acid tube f output by gas-liquid separator side position (being positioned at the equipment middle part), the heat content of HCl gas and solution heat then pass to upper case 11 interior flowing by absorbing piece, advance the water coolant that the g pipe goes out by the e pipe, for having absorption liquid to become membranaceous distribution in each hole that guarantees the absorption piece, lastblock absorbs that each hole is equipped with upflow tube 12 (can adopt patent ZL201220227707.2 technology to carry out multistage when needing distributes again) on the piece, for absorption liquid is distributed to upflow tube 12 better, be provided with grid distributor 13 on it, last unabsorbed residual air (tail gas) enters upper cover 15 through behind the transition segment 14, and exports this stove by escape pipe j.The side position of this upper cover 15 also has absorption liquid inlet pipe h and feed liquor baffle plate, and graphite rupture disk 16 also is equipped with so that this stove is carried out overpressure protection in the top.The unstripped gas of this stove is routinely by respectively input of the bulb socket of furnace bottom combustion unit (or claiming burner), and it is synthetic to enter the stove burning through the lamp holder (or claiming burner) of combustion unit.
Stove cylinder foot is provided with vision slit, automatic ignition hole, monitoring, monitoring hole etc., but also self controllable operation of manual operation.
Embodiment 2:
Referring to figure two.Its internal structure and embodiment one are basic identical, and the key distinction is the full section of graphite furnace cylinder heat-obtaining, the outer current global mechanism circulating hot water of stove cylinder, and the bottom outer steel shell is as a whole, and other cooling, absorption, liquid in-out, to advance air outlet structure also all identical with the position.Because the full section of stove cylinder heat-obtaining has improved the heat-obtaining rate, has strengthened energy-saving effect, but has increased the heat-resisting requirement of graphite furnace cylinder.When adopting the graphite furnace cylinder, then be optimal selection during such as by-product hot water; Such as byproduct steam, when then adopting general graphite material, byproduct steam pressure should be low, when adopting better graphite material, also can improve byproduct steam pressure.Be optimal selection when the stove cylinder adopts steel, byproduct steam pressure is higher, can reach 1.5MPa.
Claims (5)
1. the three-in-one hydrochloric acid synthetic furnace of two sections heat-obtaining type byproduct steams or hot water, comprise the graphite furnace cylinder, graphite furnace cylinder peripheral hardware deposits section's outer steel shell, be circulating water cavity between graphite furnace cylinder and the bottom outer steel shell, it is characterized in that: in the outer steel shell of bottom, graphite furnace cylinder upper end arranges heat transfer block, the heat transfer block upper end arranges transition pipe nipple, gas-liquid separator is set on the transition pipe nipple, the gas-liquid separator top arranges graphite falling film absorption piece, at gas-liquid separator, graphite falling film absorption piece peripheral hardware is set up section's shell, and gas-liquid separator, it is cooling water cavity between graphite falling film absorption piece and the upper case, graphite falling film absorption piece top arranges upper cover, in graphite furnace cylinder bottom combustion unit is set.
2. the three-in-one hydrochloric acid synthetic furnace of two sections heat-obtaining type byproduct steams according to claim 1 or hot water, it is characterized in that: graphite water-cooled heat transfer block is set between transition pipe nipple and gas-liquid separator, and graphite water-cooled heat transfer block is positioned at upper case.
3. the three-in-one hydrochloric acid synthetic furnace of two sections heat-obtaining type byproduct steams according to claim 1 and 2 or hot water, it is characterized in that: the bottom outer steel shell is divided into up and down not connected two sections, the graphite furnace cylinder of corresponding site is divided into up and down graphite furnace cylinder, being cooling water cavity between the hypomere of lower graphite furnace cylinder and bottom outer steel shell, is the cycling hot water cavity between the epimere of upper graphite furnace cylinder and bottom outer steel shell.
4. the three-in-one hydrochloric acid synthetic furnace of two sections heat-obtaining type byproduct steams according to claim 1 and 2 or hot water is characterized in that: each hole on lastblock falling film absorption piece is equipped with upflow tube, and the upflow tube top arranges grid distributor.
5. the three-in-one hydrochloric acid synthetic furnace of two sections heat-obtaining type byproduct steams according to claim 1 and 2 or hot water is characterized in that: be provided with the graphite rupture disk at the upper cover top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203636918U CN202729790U (en) | 2012-07-26 | 2012-07-26 | Two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203636918U CN202729790U (en) | 2012-07-26 | 2012-07-26 | Two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace |
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| CN202729790U true CN202729790U (en) | 2013-02-13 |
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| CN2012203636918U Expired - Lifetime CN202729790U (en) | 2012-07-26 | 2012-07-26 | Two-section heating type byproduct steam or hot water three-in-one hydrochloric acid synthesis furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449369A (en) * | 2013-08-15 | 2013-12-18 | 南通山剑石墨设备有限公司 | Combined hydrochloric acid synthesis furnace capable of producing steam or hot water as byproduct |
| CN103663370A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthetic furnace |
| CN103663374A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthesis furnace |
| CN105217609A (en) * | 2015-09-18 | 2016-01-06 | 南通山剑石墨设备有限公司 | The Two-in-One Graphite Synthetic Furnace of by-product two kinds of pressure rank steam while of a kind of |
-
2012
- 2012-07-26 CN CN2012203636918U patent/CN202729790U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449369A (en) * | 2013-08-15 | 2013-12-18 | 南通山剑石墨设备有限公司 | Combined hydrochloric acid synthesis furnace capable of producing steam or hot water as byproduct |
| CN103449369B (en) * | 2013-08-15 | 2015-09-16 | 南通山剑石墨设备有限公司 | The combination hydrochloric acid synthetic furnace of byproduct steam or hot water |
| CN103663370A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthetic furnace |
| CN103663374A (en) * | 2013-11-21 | 2014-03-26 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthesis furnace |
| CN103663374B (en) * | 2013-11-21 | 2015-06-17 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthesis furnace |
| CN103663370B (en) * | 2013-11-21 | 2015-09-09 | 南通星球石墨设备有限公司 | Four-in-one graphite hydrochloric acid synthetic furnace |
| CN105217609A (en) * | 2015-09-18 | 2016-01-06 | 南通山剑石墨设备有限公司 | The Two-in-One Graphite Synthetic Furnace of by-product two kinds of pressure rank steam while of a kind of |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |