CN213924671U - Modified chlorinated paraffin production is with vaporization system - Google Patents
Modified chlorinated paraffin production is with vaporization system Download PDFInfo
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- CN213924671U CN213924671U CN202022939384.7U CN202022939384U CN213924671U CN 213924671 U CN213924671 U CN 213924671U CN 202022939384 U CN202022939384 U CN 202022939384U CN 213924671 U CN213924671 U CN 213924671U
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Abstract
The utility model discloses a modified chlorinated paraffin production is with vaporization system, including liquid chlorine vaporization subsystem, the subsystem is dealt with to the supplementary vaporization subsystem of heating and accident, liquid chlorine vaporization subsystem is used for carrying out the vaporization processing to the liquid chlorine raw materials, the supplementary subsystem of heating is used for assisting liquid chlorine vaporization subsystem with higher speed liquid chlorine vaporization, the subsystem is dealt with in the accident is used for collecting the acidic poison gas of handling liquid chlorine vaporization subsystem leakage or volatilizing production. Not only increases the amount of liquid chlorine vaporized in unit time and improves the efficiency of liquid chlorine vaporization, but also has high and uniform liquid chlorine vaporization speed, reduces the discharge amount of chlorine in tail gas produced by chlorinated paraffin, reduces the burden of tail gas treatment and improves the production safety.
Description
Technical Field
The utility model relates to a modified chlorinated paraffin production is with vaporization system.
Background
The chlorinated paraffin is a product prepared by taking wax oil and chlorine as raw materials and adopting processes such as continuous photo-thermal catalytic chlorination and the like, the reaction is actually an exothermic chlorination reaction, and the key for controlling the reaction process is how to uniformly distribute the chlorine to react with the wax oil in the chlorination reaction. If the chlorine is not uniformly distributed and the reaction is not sufficient, the excessive chlorine can be evaporated, the chlorine is greatly wasted, and the reaction rate can be reduced.
In general, the chlorine raw material is liquid chlorine, which needs to be vaporized and then introduced into a chlorination reaction kettle in a workshop to contact with wax oil for reaction. The existing liquid chlorine vaporization adopts a liquid chlorine vaporizer to directly supply for production after vaporization, and the mode has the following defects: 1) the vaporization efficiency is low. This type of vaporization is often inefficient, requires a large or large buffer tank of chlorine to store steam in advance to accommodate production in multiple plants or multiple chlorination kettle production lines, and is difficult to accommodate for capacity expansion requirements. 2) Vaporization is insufficient. The liquid chlorine raw material is vaporized only by one liquid chlorine vaporizer, and because the inner stroke of the liquid chlorine vaporizer is short, the vaporization is not sufficient, and small droplets of chlorine exist during production, under the condition, the liquid chlorine vaporizer is not uniformly distributed after being introduced into a chlorination kettle and is in contact reaction with wax oil, so that the raw material is not completely utilized, the waste is caused, the chlorine content in tail gas of a production line is increased, and the workload of waste gas recovery and treatment is increased. 3) Potential safety hazards exist. The existing vaporization mode is only provided with an accident absorption tower to collect and treat leaked chlorine gas discharged by a liquid chlorine tank truck, so that not only is tail gas treated incompletely, but also toxic gas in a vaporization workshop is monitored loosely, and potential safety production hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model provides an improved vaporization system for chlorinated paraffin production, wherein each vaporization line is provided with a plurality of liquid chlorine vaporizers and is provided with a heating auxiliary vaporization subsystem, so that the vaporization amount is increased, the vaporization chlorine speed is increased, the workshop production expansion requirement is met, meanwhile, the auxiliary thermalization promotes the vaporization quality of liquid chlorine, the utilization rate of raw materials is improved, the product quality is improved, and the chlorine content in waste gas is reduced; in addition, the waste gas collection and treatment process in the vaporization process is further optimized, the waste gas is further purified, and the production safety is improved. The specific technical scheme is as follows:
the improved vaporization system for chlorinated paraffin production comprises a liquid chlorine vaporization subsystem, a heating auxiliary vaporization subsystem and an accident handling subsystem, wherein the liquid chlorine vaporization subsystem is used for carrying out vaporization treatment on a liquid chlorine raw material, the heating auxiliary subsystem is used for assisting the liquid chlorine vaporization subsystem to accelerate liquid chlorine vaporization, and the accident handling subsystem is used for collecting and handling acid toxic gas generated by leakage or volatilization of the liquid chlorine vaporization subsystem.
In the improved vaporization system for chlorinated paraffin production, the liquefied chlorine vaporization subsystem comprises a plurality of liquefied chlorine tank trucks, a plurality of modified liquefied chlorine vaporizers and a plurality of chlorine buffer tanks; and the liquefied chlorine raw material for producing the chlorinated paraffin is filled in the liquefied chlorine tank truck and is input into the modified liquefied chlorine vaporizer through a conveying pipeline to be vaporized to form chlorine, and then the chlorine is stored in the chlorine buffer tank for subsequent production flow.
In the improved vaporization system for chlorinated paraffin production, the heating auxiliary vaporization subsystem comprises a hot water tank, a hot water pump, a reboiler, a hot water pipeline and a condensate pump; the hot water pipeline is laid on the modified liquid chlorine vaporizer, hot water in the hot water tank is pumped into the reboiler by the hot water pump to be heated, then flows into the hot water pipeline to heat and assist vaporization of liquid chlorine in the liquid chlorine vaporizer, and then is pumped back to the hot water tank by the condensed water pump.
Preferably, the modified liquid chlorine vaporizers are at least two and comprise a first vaporizer and a second vaporizer, liquid chlorine raw materials from a liquid chlorine tank truck are respectively introduced into the two modified liquid chlorine vaporizers to be vaporized and then enter the chlorine buffer tank, hot water of the heating auxiliary vaporization subsystem firstly flows into the second vaporizer and then flows into the first vaporizer, and is pumped back to the second vaporizer through a hot water pump to circularly heat and vaporize the liquid chlorine, and finally is pumped back to the hot water tank through a condensed water pump.
In the improved gasification system for chlorinated paraffin production, the accident disposal subsystem comprises a draught fan, an accident absorption tower, a circulating absorption pump, a neutralization tank and a sewage discharge tank; the induced draft fans are distributed at each part of the liquid chlorine vaporization subsystem and introduce the top of the acidic toxic gas generated by the leakage or volatilization of the chlorine vaporization subsystem into the accident absorption tower; the accident absorption tower is provided with an alkali liquor tank, dilute alkali liquor in the alkali liquor tank is pumped to the top of the accident absorption tower through a circulating absorption pump to circularly wash the entering acidic toxic gas, and the obtained washing liquid is neutralized by a neutralization tank and then is sent to a sewage discharge tank to be further processed and discharged.
Preferably, the accident disposal subsystem further comprises a liquid caustic soda tank and a dilute caustic soda pump, wherein the liquid caustic soda tank is used for containing prepared dilute caustic soda, and the dilute caustic soda pump is used for pumping the dilute caustic soda in the liquid caustic soda tank to a caustic soda tank of the accident absorption tower.
Preferably, the number of the accident absorption towers is at least two, and the accident absorption towers comprise a first absorption tower and a second absorption tower, the induced draft fan firstly introduces the acid poison gas into the first absorption tower for spray absorption, and the unabsorbed part of the acid poison gas enters the second absorption tower, is further circularly sprayed and washed by the second absorption tower and then is discharged at high altitude; and the washing liquid after being washed by the second absorption tower is pumped back to the lye tank of the first absorption tower or is directly used for spraying and washing of the first absorption tower, and then enters a neutralization tank for further treatment.
The improved vaporization system for chlorinated paraffin production further comprises a temperature and pressure control subsystem and a toxic gas alarm subsystem, wherein the temperature and pressure control subsystem comprises temperature monitoring instruments arranged on a hot water tank, a reboiler and a hot water pipeline, and pressure monitoring instruments arranged on chlorine buffer tanks and water pumps and used for monitoring and controlling the temperature and the pressure in the system; the toxic gas alarm subsystem comprises a toxic gas detection meter and an alarm which are arranged on a liquid chlorine tank truck, a liquid chlorine vaporizer, a chlorine buffer tank and each chlorine pipeline and is used for monitoring the toxic gas leakage and concentration conditions.
The utility model has the advantages that:
the utility model discloses combine production reality to improve current liquid chlorine vaporization system, set up two at least liquid chlorine vaporizers at every vaporization line to reform transform liquid chlorine vaporizer, heat the supplementary vaporization with the hot water, not only increaseed the volume of vaporization in liquid chlorine unit interval and improved the efficiency of liquid chlorine vaporization, provide technical support for the production dilatation, satisfied the demand of many production lines; and because the heating auxiliary vaporization subsystem is arranged, the liquid chlorine vaporization speed is high and uniform, the liquid chlorine can fully react with the wax oil after being input into the chlorination kettle, the utilization rate of raw materials is improved, the product quality is improved, and meanwhile, the discharge amount of chlorine in tail gas generated by chlorinated paraffin production is reduced, and the load of tail gas treatment is reduced; furthermore, the utility model discloses collect and handle the flow to the waste gas in the vaporization process and further optimize, set up two accident absorption towers, carry out the double circulation to the acid poison gas of collecting and spray the absorption, further purify the back and discharge, the warm-pressing control subsystem and the toxic gas warning subsystem of setting also further improve the production security.
Drawings
FIG. 1 is a schematic structural diagram of an improved vaporization system for chlorinated paraffin production according to the present invention;
FIG. 2 is a schematic view of an improved vaporization system of two other chlorinated paraffin production lines of the present invention;
FIG. 3 is a schematic view of an improved vaporization system of two other chlorinated paraffin production lines according to the present invention;
fig. 4 is a schematic structural view of the hot water tank of the present invention.
In the figure:
1: E-100A, E-100B, E-100C, E-100D, E-100E is a reboiler;
2: E-110A, E-110B, E-110C, E-110D, E-110E is a modified liquid chlorine vaporizer;
21: a first vaporizer;
22: a second vaporizer;
3: a hot water pump;
4: V-100A1 is a hot water tank;
5. a liquid chlorine tanker;
6: V-102A, V-102B, V-102C, V-102D, V-102E is a chlorine buffer tank;
8: p-108 is a liquid caustic pump;
9: V-106B is a liquid caustic soda tank;
10: v-107 is a neutralization groove;
11: t-101(A-B) is an accident absorption tower;
111: a first absorption tower;
112: a second absorption tower;
12: w-101(A-B) is an induced draft fan;
13: p-110(A-D) is a circulating absorption pump.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The specific embodiment is as follows:
the embodiment aims at the problems of low vaporization efficiency, insufficient vaporization, potential safety hazard and the like of the existing liquid chlorine vaporization because only one liquid chlorine vaporizer is adopted for vaporization and then directly supplying the vaporized liquid chlorine for production, and the existing liquid chlorine vaporization mode is improved so as to improve the vaporization efficiency and supply the production of a plurality of production lines in a plurality of workshops.
The improved vaporization system for chlorinated paraffin production, as shown in fig. 1 to 3, includes a liquid chlorine vaporization subsystem, a heating auxiliary vaporization subsystem and an accident handling subsystem, wherein the liquid chlorine vaporization subsystem is used for vaporizing a liquid chlorine raw material, the heating auxiliary subsystem is used for assisting the liquid chlorine vaporization subsystem to accelerate vaporization of liquid chlorine, and the accident handling subsystem is used for collecting and handling acid toxic gas generated by leakage or volatilization of the liquid chlorine vaporization subsystem. Not only increases the amount of liquid chlorine vaporized in unit time and improves the efficiency of liquid chlorine vaporization, but also has high and uniform liquid chlorine vaporization speed, reduces the discharge amount of chlorine in tail gas produced by chlorinated paraffin, reduces the burden of tail gas treatment and improves the production safety.
Specifically, the improved vaporization system for chlorinated paraffin production according to the embodiment includes a plurality of liquid chlorine tankers 5, a plurality of modified liquid chlorine vaporizers 2, and a plurality of chlorine buffer tanks 6. The liquefied chlorine tank truck 5 is used for containing liquefied chlorine raw materials for producing chlorinated paraffin, the liquefied chlorine raw materials are input into the modified liquefied chlorine vaporizer 2 through a conveying pipeline to be vaporized to form chlorine, and the chlorine is stored in the chlorine buffer tank 6 to be used for subsequent production processes. The heating auxiliary vaporization subsystem comprises a hot water tank 4, a hot water pump 3, a reboiler 1, a hot water pipeline and a condensate pump; the hot water pipeline is laid on the modified liquid chlorine vaporizer 2, hot water in the hot water tank 4 is pumped into the reboiler 1 by the hot water pump 3 to be heated, then flows into the hot water pipeline to heat and assist vaporization of the liquid chlorine in the liquid chlorine vaporizer 2, and then is pumped into the hot water tank 4 by the condensate pump. The modified liquid chlorine vaporizers 2 are at least two and comprise a first vaporizer 21 and a second vaporizer 22, liquid chlorine raw materials from the liquid chlorine tank truck 5 are respectively introduced into the two modified liquid chlorine vaporizers 2 to be vaporized and then enter a chlorine buffer tank 6, hot water of the heating auxiliary vaporization subsystem firstly flows into the second vaporizer 22 and then flows into the first vaporizer 21, and is pumped back to the second vaporizer 22 through a hot water pump 3 to circularly heat and vaporize the liquid chlorine, and finally is pumped back to the hot water tank 4 through a condensed water pump.
For example, the chlorine tank truck 5 (a) and the chlorine tank truck 5 (B) in fig. 1 are the chlorine tank truck 5 that supplies the a line of the first plant, which is provided with two modified chlorine tank vaporizers 2 (E-110A), one of which is a first vaporizer 21 and the other of which is a second vaporizer 22; the liquid chlorine in the chlorine tank trucks A and B respectively flows through the two modified liquid chlorine vaporizers 2 to be vaporized and then is stored in a chlorine buffer tank 6 (V-102A) for subsequent production flow. The heating auxiliary vaporization subsystem of the production line comprises a hot water tank 4 (V-100A 1), a hot water pump 3 (P-111 (A-B)), a reboiler 1 (E-100A), a hot water pipeline and a condensate pump P-100A 1; the hot water pipeline is laid on the modified liquid chlorine vaporizer 2 (E-110A), the hot water in the hot water tank 4 (V-100A 1) is pumped into the reboiler 1 (E-100A) for heating through the hot water pump 3 (P-111 (A-B)), then flows into the second vaporizer 22 and then flows into the first vaporizer 21, and is pumped back to the second vaporizer 22 through the other hot water pump 3 (P-111 (A-B)) for cyclic heating vaporization of the liquid chlorine, and finally is pumped back to the hot water tank 4 (V-100A 1) through the condensate water pump P-100A 1. The liquid chlorine tanker 5 (C, D) and the liquid chlorine tanker 5 (F, G) in fig. 2, 3 are supplied with two production lines, respectively, each of which is provided with two modified liquid chlorine vaporizers 2 (E-110B, E-110C and E-110D, E-110E), and a chlorine buffer tank 6 (V-102B, V-102C and V-102D, V-102E). The heating auxiliary vaporization subsystem on each line comprises a hot water tank 4, a hot water pump 3 (P-111 (C-D), P-111(E-F), P-111(G-H), P-111 (I-J)), and a reboiler 1 (E-100B, E-100C, E-100D, E-100E). A hot water tank 4 (V-100A 1) and a condensate pump P-100A1 can be shared by a plurality of production lines, as shown in FIG. 4, or a hot water tank 4 and a condensate pump can be arranged in each production line.
In addition, in order to improve the safety for producing the chlorinated paraffin, in the embodiment, an accident handling subsystem of the vaporization system is also improved. As shown in fig. 1, the accident disposal subsystem comprises an induced draft fan 12 (W-101 (a-B)), an accident absorption tower 11 (T-101 (a-B)), a circulating absorption pump 13 (P-110 (a-D)), a neutralization tank 10 (V-107) and a blow-down tank (V-104); the induced draft fans 12 (W-101 (A-B)) are distributed at each part of the liquid chlorine vaporization subsystem, and introduce the top of the acidic toxic gas character generated by the leakage or volatilization of the chlorine vaporization subsystem into the accident absorption tower 11 (T-101 (A-B)); the accident absorption tower 11T-101(A-B) is provided with an alkali liquor tank, dilute alkali liquor in the alkali liquor tank is pumped to the top of the accident absorption tower 11 (T-101 (A-B)) through a circulating absorption pump 13 (P-110 (A-D)) to circularly wash the entering acid toxic gas, and the obtained washing liquid is neutralized through a neutralizing tank 10 (V-107) and then sent to a sewage discharge tank (V-104) to be further processed and discharged. In order to supply the spraying and neutralizing acidic waste gas in real time, the accident disposal subsystem described in this embodiment further includes a caustic soda tank 9 (V-106B) and a caustic soda pump 8 (P-108), where the caustic soda tank 9 (V-106B) is used to hold the prepared diluted alkaline solution, and the caustic soda pump 8 (P-108) is used to pump the diluted alkaline solution in the caustic soda tank 9 (V-106B) to the alkaline solution tank of the accident absorption tower 11 (T-101 (a-B)).
In order to thoroughly treat the collected acidic waste gas, in this embodiment, the number of the accident absorption towers 11 (T-101 (a-B)) is at least two, and the accident absorption towers include a first absorption tower 111 (T-101A) and a second absorption tower 112 (T-101B), the induced draft fan 12 firstly introduces the acidic toxic gas into the first absorption tower 111 (T-101A) for spray absorption, and the unabsorbed part of the acidic toxic gas enters the second absorption tower 112 (T-101B) and is further circularly sprayed and then is discharged at high altitude through the second absorption tower 112 (T-101B); the washing liquid after being washed by the second absorption tower 112 (T-101B) is pumped back to the lye tank of the first absorption tower 111 (T-101A) or directly used for spraying and washing of the first absorption tower 111 (T-101A), and then enters the neutralization tank 10 (V-107) for further treatment. After the treatment of the accident disposal subsystem, the gas discharged from high altitude completely meets the discharge standard required by the state, and the neutralized waste liquid enters the sewage treatment area and then can be used for production again or directly discharged after being further treated, thereby not only ensuring the safety of production, but also achieving the purpose of environmental protection.
In addition, the improved vaporization system for chlorinated paraffin production further comprises a temperature and pressure control subsystem and a toxic gas alarm subsystem, wherein the temperature and pressure control subsystem comprises temperature monitoring instruments arranged on the hot water tank 4, the reboiler 1 and a hot water pipeline, and pressure monitoring instruments arranged on each chlorine buffer tank 6 and each water pump and is used for monitoring and controlling the temperature and the pressure in the system; the toxic gas alarm subsystem comprises a toxic gas detection meter and an alarm which are arranged at the liquid chlorine tank truck 5, the liquid chlorine vaporizer, the chlorine buffer tank 6 and each chlorine pipeline and is used for monitoring the toxic gas leakage and concentration conditions.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An improved vaporization system for chlorinated paraffin production is characterized in that: the system comprises a liquid chlorine vaporization subsystem, a heating auxiliary vaporization subsystem and an accident disposal subsystem, wherein the liquid chlorine vaporization subsystem is used for carrying out vaporization treatment on a liquid chlorine raw material, the heating auxiliary subsystem is used for assisting the liquid chlorine vaporization subsystem to accelerate the vaporization of the liquid chlorine, and the accident disposal subsystem is used for collecting and treating acid toxic gas generated by the leakage or volatilization of the liquid chlorine vaporization subsystem.
2. The improved chlorinated paraffin production vaporization system of claim 1, wherein: the liquid chlorine vaporization subsystem comprises a plurality of liquid chlorine tank trucks (5), a plurality of modified liquid chlorine vaporizers (2) and a plurality of chlorine buffer tanks (6); and the liquefied chlorine tank truck (5) is used for containing liquefied chlorine raw materials for producing chlorinated paraffin, inputting the liquefied chlorine raw materials into the modified liquefied chlorine vaporizer (2) through a conveying pipeline to vaporize the liquefied chlorine raw materials to form chlorine, and storing the chlorine into a chlorine buffer tank (6) for subsequent production processes.
3. The improved chlorinated paraffin production vaporization system of claim 2, wherein: the heating auxiliary vaporization subsystem comprises a hot water tank (4), a hot water pump (3), a reboiler (1), a hot water pipeline and a condensate pump; the hot water pipeline is laid on the modified liquid chlorine vaporizer (2), hot water in the hot water tank (4) is pumped into the reboiler (1) through the hot water pump (3) to be heated and then flows into the hot water pipeline to heat and assist vaporization of liquid chlorine in the liquid chlorine vaporizer, and then the hot water is pumped back to the hot water tank (4) through the condensed water pump.
4. The improved chlorinated paraffin production vaporization system of claim 3, wherein: the improved chlorine liquid vaporizer comprises at least two improved chlorine liquid vaporizers (2) and comprises a first vaporizer (21) and a second vaporizer (22), wherein the chlorine liquid raw materials from a chlorine liquid tank truck (5) are respectively introduced into the two improved chlorine liquid vaporizers (2) to be vaporized and then enter a chlorine buffer tank (6), hot water of the heating auxiliary vaporization subsystem firstly flows into the second vaporizer (22) and then flows into the first vaporizer (21), and is pumped back to the second vaporizer (22) through a hot water pump (3) to circularly heat and vaporize the chlorine liquid, and finally is pumped back to the hot water tank (4) through a condensed water pump.
5. The improved chlorinated paraffin production vaporization system of claim 1, wherein: the accident disposal subsystem comprises an induced draft fan (12), an accident absorption tower (11), a circulating absorption pump (13), a neutralization tank (10) and a sewage discharge tank; the induced draft fans (12) are distributed at each part of the liquid chlorine vaporization subsystem, and the top of the acidic toxic gas generated by the leakage or volatilization of the chlorine vaporization subsystem is introduced into the accident absorption tower (11); the accident absorption tower (11) is provided with an alkali liquor tank, dilute alkali liquor in the alkali liquor tank is pumped to the top of the accident absorption tower (11) through a circulating absorption pump (13) to circularly wash the entering acidic toxic gas, and the obtained washing liquid is neutralized by a neutralization tank (10) and then is sent to a sewage discharge tank to be further processed and discharged.
6. The improved chlorinated paraffin production vaporization system of claim 5, wherein: the accident disposal subsystem further comprises a liquid alkali tank (9) and a liquid alkali pump (8), the liquid alkali tank (9) is used for containing prepared diluted alkali liquor, and the liquid alkali pump (8) is used for pumping the diluted alkali liquor in the liquid alkali tank (9) to an alkali liquor tank of the accident absorption tower (11).
7. The improved chlorinated paraffin production vaporization system of claim 5, wherein: the number of the accident absorption towers (11) is at least two, and the accident absorption towers comprise a first absorption tower (111) and a second absorption tower (112), the induced draft fan (12) firstly introduces the acid poison gas into the first absorption tower (111) for spray absorption, and the unabsorbed part of the acid poison gas enters the second absorption tower (112) and is further circularly sprayed and washed by the second absorption tower (112) and then is discharged at high altitude; the washing liquid after being washed by the second absorption tower (112) is pumped back to the lye tank of the first absorption tower (111) or is directly used for spraying and washing of the first absorption tower (111), and then enters the neutralization tank (10) for further treatment.
8. The improved chlorinated paraffin production vaporization system of claim 1, wherein: the system also comprises a temperature and pressure control subsystem and a toxic gas alarm subsystem, wherein the temperature and pressure control subsystem comprises temperature monitoring instruments arranged on the hot water tank (4), the reboiler (1) and a hot water pipeline, and pressure monitoring instruments arranged on each chlorine buffer tank (6) and each water pump and used for monitoring and controlling the temperature and the pressure in the system; the toxic gas alarm subsystem comprises a toxic gas detection meter and an alarm which are arranged on a liquid chlorine tank truck (5), a liquid chlorine vaporizer, a chlorine buffer tank (6) and each chlorine pipeline, and is used for monitoring the toxic gas leakage and concentration conditions.
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| CN112608767A (en) * | 2020-12-09 | 2021-04-06 | 丹阳市助剂化工厂有限公司 | Modified chlorinated paraffin production is with vaporization system |
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| CN112608767A (en) * | 2020-12-09 | 2021-04-06 | 丹阳市助剂化工厂有限公司 | Modified chlorinated paraffin production is with vaporization system |
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