CN109854474B - Liquid dangerous chemical injection device - Google Patents
Liquid dangerous chemical injection device Download PDFInfo
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- CN109854474B CN109854474B CN201910147940.6A CN201910147940A CN109854474B CN 109854474 B CN109854474 B CN 109854474B CN 201910147940 A CN201910147940 A CN 201910147940A CN 109854474 B CN109854474 B CN 109854474B
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Abstract
The invention relates to the technical field of chemical injection equipment, in particular to a liquid dangerous chemical injection device which comprises an underframe, a support table and a support frame, wherein the support table is welded at the top end of the underframe, the support frames are welded at the left side and the right side of the top end of the support table, a tank body is welded at the top end of the support frame, an inner tank is connected with an inner tank through a screw in an inner cavity of the tank body, a monitoring mechanism is fixedly installed at the bottom end of the right side of the tank body, a discharging pipe is connected at the bottom end of the inner tank through a flange, a first valve is screwed on the outer wall of the discharging pipe, and a conveying mechanism is connected with the bottom end of a water pump through a screw in a screwing mode. The liquid dangerous chemicals are prevented from leaking and evaporating to cause the conditions of pollution or explosion and the like, and potential safety hazards are avoided.
Description
Technical Field
The invention relates to the technical field of chemical injection equipment, in particular to a liquid dangerous chemical injection device.
Background
Dangerous chemicals refer to highly toxic chemicals and other chemicals which have properties of toxicity, corrosion, explosion, combustion-supporting and the like and have harm to human bodies, facilities and environments, and currently, in the production process of chemical industry, some chemical devices which need to be injected with liquid dangerous chemicals are often needed, such as: ethylene cracking devices and the like, wherein in the operation process of the ethylene cracking devices, other liquid dangerous chemicals except reaction raw materials are often required to be injected into a cracking furnace due to different raw material selections so as to reduce the concentration of carbon monoxide (CO) and carbon dioxide (CO2) generated in a radiant tube of the cracking furnace, thereby solving the problems of equipment coking, scaling and the like;
the injection device injects chemical liquid into various systems according to the process flow, and accurately disposes various solid and liquid chemical solutions through different process designs, and then the chemical solutions are added.
Disclosure of Invention
The present invention is directed to a liquid hazardous chemical injection apparatus, which solves the above problems of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a liquid dangerous chemical injection device, which comprises an underframe, a supporting table and supporting frames, wherein the supporting table is welded at the top end of the underframe, the supporting frames are welded at the left side and the right side of the top end of the supporting table, a tank body is welded at the top end of the supporting frame, and an inner tank is connected to the inner cavity of the tank body through screws;
a monitoring mechanism is fixedly installed at the bottom end of the right side of the tank body, the monitoring mechanism comprises an arc-shaped pipe, one end of the arc-shaped pipe is connected with a tank body flange, a second valve and a communicating valve are respectively connected to the outer wall of the arc-shaped pipe through flanges, a magnetic turning plate liquid level meter is connected to the other end of the arc-shaped pipe in a threaded manner, and an output end circuit of the magnetic turning plate liquid level meter is connected with an alarm;
a discharging pipe is connected to a bottom end flange of the inner tank, a first valve is screwed on the outer wall of the discharging pipe, a water inlet of a water pump is screwed at the bottom end of the discharging pipe, and a conveying mechanism is connected to the bottom end of the water pump through a screw;
the conveying mechanism comprises a first box body, the top center position of the first box body is connected with a water outlet pipe flange of a water pump, the bottom of the first box body is welded with a second box body, the bottom of the second box body is welded with a support table, the left side and the right side of the top of the second box body are both in interference fit with hollow cylinders, the inner cavity center position of the second box body is axially connected with a lead screw along the vertical direction, the bottom of the lead screw extends out of the second box body and the support table is locked with the output end of a stepping motor through a coupler, the stepping motor is connected with the support table through screws, the outer wall of the lead screw is screwed with a threaded cylinder, transverse plates are welded on two sides of the outer wall of the threaded cylinder, a round rod is welded at the top end of the transverse plates, a baffle plate is welded on the top end of the round rod in a manner that the hollow cylinder extends out of the hollow cylinder, two, and the other end of the connecting pipe is in interference fit with an output pipe.
Preferably, the lower surface of the baffle is adhered with an anticorrosion sealing strip.
Preferably, the round rod is located in the center of the inner cavity of the hollow cylinder, and the diameter of the hollow cylinder is four times of that of the round rod.
Preferably, the width of the first tank is four times the width of the baffle.
Preferably, the top end of the screw is coupled to the inner wall of the second housing through a bearing.
The liquid dangerous chemical injection device provided by the invention has the beneficial effects that:
1. according to the invention, the conveying mechanism is opened when the dangerous chemicals are injected, so that the dangerous chemicals can be promoted to flow and conveyed out from the two sides of the second box body, the injection efficiency is accelerated, the conveying mechanism is closed after injection, so that the conveying space of the water pump can be sealed, the backflow phenomenon can be avoided, and the leakage phenomenon caused by the fact that the dangerous chemicals cannot be found in time after corroding the water pump is avoided;
2. according to the invention, the monitoring mechanism is additionally arranged in the tank body, so that the leakage of the inner tank can be found and alarmed in time, the leakage amount can be observed quickly during leakage, the conditions of pollution or explosion and the like caused by the leakage and evaporation of the liquid dangerous chemicals are prevented, potential safety hazards are avoided, and the wide popularization is facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the conveying mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the inner cavity of the tank of the present invention;
fig. 4 is a schematic structural diagram of the monitoring mechanism of the present invention.
In the figure: 1. the tank body, 2, conveying mechanism, 201, first box, 202, round bar, 203, the second box, 204, baffle, 205, thread cylinder, 206, step motor, 207, diaphragm, 208, lead screw, 209, hollow cylinder, 3, connecting pipe, 4, monitoring mechanism, 401, arc pipe, 402, intercommunication valve, 403, siren, 404, magnetism board level gauge that turns over, 405, second valve, 5, chassis, 6, a supporting bench, 7, support frame, 8, unloading pipe, 9, first valve, 10, water pump, 11, inner tank, 12, output tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a liquid hazardous chemical injection device comprises an underframe 5, a support table 6 and a support frame 7, wherein the support table 6 is welded at the top end of the underframe 5, the support frames 7 are welded at the left side and the right side of the top end of the support table 6, a tank body 1 is welded at the top end of the support frame 7, and an inner tank 11 is screwed in an inner cavity of the tank body 1;
the monitoring mechanism 4 is fixedly installed at the bottom end of the right side of the tank body 1, the monitoring mechanism 4 comprises an arc-shaped pipe 401, one end of the arc-shaped pipe 401 is in flange connection with the tank body 1, the outer wall of the arc-shaped pipe 401 is respectively in flange connection with a second valve 405 and a communicating valve 402, the other end of the arc-shaped pipe 401 is in threaded connection with a magnetic turning plate liquid level meter 404, the model of the magnetic turning plate liquid level meter 404 is LT10, when leakage occurs, a magnetic floater in the pipe of the magnetic turning plate liquid level meter 404 is changed from white to red, so that clear indication of leakage liquid level is realized, whether leakage occurs or not and the amount of leakage can be visually seen on site, an output end circuit of the magnetic turning plate liquid level meter 404 is connected with an alarm 403, the model of the alarm 407 is M378164, and personnel can be reminde;
a discharging pipe 8 is connected to the bottom end of the inner tank 11 in a flange mode, a first valve 9 is connected to the outer wall of the discharging pipe 8 in a threaded mode, a water inlet of a water pump 10 is connected to the bottom end of the discharging pipe 8 in a threaded mode, and a conveying mechanism 2 is connected to the bottom end of the water pump 10 in a threaded mode;
the conveying mechanism 2 comprises a first box 201, the width of the first box 201 is four times of the width of a baffle 204, the top center position of the first box 201 is connected with a water outlet pipe flange of a water pump 10, the model of the water pump 10 is 150QJ20-54/9, the bottom end of the first box 201 is welded with a second box 203, the bottom end of the second box 203 is welded with a support table 6, the left side and the right side of the top end of the second box 203 are in interference fit with hollow cylinders 209, the center position of an inner cavity of the second box 203 is axially connected with a lead screw 208 along the up-down direction, the top end of the lead screw 208 is axially connected with the inner wall of the second box 203 through a bearing, the bottom end of the lead screw 208 extends out of the second box 203 and the support table 6 to be locked with the output end of a stepping motor 206 through a coupler, the stepping motor 206 is in screw connection with the support table 6, the model of the stepping motor 206 is 28B, controlled by outside control system, the spiro union has screw thread section of thick bamboo 205 on lead screw 208's the outer wall, and all welds the diaphragm 207 in screw thread section of thick bamboo 205's outer wall both sides, the top welding of diaphragm 207 has round bar 202, and the top of round bar 202 extends hollow section of thick bamboo 209 welding has baffle 204, the both ends inlay of baffle 204 in the spout that first box 201 inner wall was seted up, can guarantee that baffle 204 can not rotate only can reciprocate, the lower surface bonding of baffle 204 has anticorrosive sealing strip, can strengthen the leakproofness between baffle 204 and the hollow section of thick bamboo 209 through the sealing strip, round bar 202 is located the inner chamber central point of hollow section of thick bamboo 209 and the diameter of hollow section of thick bamboo 209 is the quadruple of round bar 202 diameter, the equal spiro union in both sides has the one end of connecting pipe 3 around the outer wall of second box 203, and the other end interference fit of connecting pipe.
The working principle is as follows: when dangerous chemicals need to be injected, the progressive motor 206 is started to rotate clockwise to drive the screw rod 208 to rotate, the threaded cylinder 205 is made to move upwards to drive the transverse plate 207 and the round rod 202 to move upwards, the baffle plate 204 and the hollow cylinder 209 are separated by a certain distance, the water pump 10 is started to inject the dangerous chemicals in the inner tank 11 into the first tank 201, the dangerous chemicals flow into the second tank 203 through the hollow cylinder 209 and are injected out through the connecting pipe 3 and the output pipe 12, after the dangerous chemicals are injected, the water pump 10 is closed, the stepping motor 206 is controlled to rotate anticlockwise, the baffle plate 204 and the hollow cylinder 209 are made to be attached together to seal the space of the second tank 203, the dangerous chemicals leakage caused by corrosion leakage of the water pump is avoided, meanwhile, the backflow phenomenon is avoided, the communication valve 402 and the second valve 405 are always in an open state, once leakage occurs in the inner tank 11, the dangerous chemicals in the inner tank 11 enter the tank 1 and increase along with the leakage, the magnetic floater in the pipe of the magnetic turning plate liquid level meter 404 is changed from white to red, so that clear indication of the leakage liquid level is realized, whether leakage exists or not and the leakage amount can be visually seen on site, and when the magnetic turning plate liquid level meter 404 detects leakage, the alarm 403 immediately outputs a leakage alarm signal and then sounds, so that the safety is ensured, the danger is avoided, and the practicability is high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a liquid hazardous chemicals injection device, includes chassis (5), brace table (6) and support frame (7), the top welding of chassis (5) has brace table (6), support frame (7), its characterized in that have all been welded to the top left and right sides of brace table (6): the top end of the support frame (7) is welded with a tank body (1), and an inner tank (11) is connected to the inner cavity of the tank body (1) through screws;
a monitoring mechanism (4) is fixedly installed at the bottom end of the right side of the tank body (1), the monitoring mechanism (4) comprises an arc-shaped pipe (401), one end of the arc-shaped pipe (401) is connected with the tank body (1) through a flange, a second valve (405) and a communicating valve (402) are respectively connected to the outer wall of the arc-shaped pipe (401) through flanges, a magnetic turning plate liquid level meter (404) is connected to the other end of the arc-shaped pipe (401) in a threaded mode, and an alarm (403) is connected to the output end circuit of the magnetic turning plate liquid level meter (404);
a blanking pipe (8) is connected to the bottom end of the inner tank (11) in a flange mode, a first valve (9) is connected to the outer wall of the blanking pipe (8) in a threaded mode, a water inlet of a water pump (10) is connected to the bottom end of the blanking pipe (8) in a threaded mode, and a conveying mechanism (2) is connected to the bottom end of the water pump (10) in a threaded mode;
the conveying mechanism (2) comprises a first box body (201), the top center of the first box body (201) is connected with a water outlet pipe flange of the water pump (10), a second box body (203) is welded at the bottom end of the first box body (201), the bottom end of the second box body (203) is welded with the support table (6), hollow cylinders (209) are in interference fit with the left side and the right side of the top end of the second box body (203), a lead screw (208) is axially connected at the center of an inner cavity of the second box body (203) along the up-down direction, the bottom end of the lead screw (208) extends out of the second box body (203) and the support table (6) to be locked with the output end of a stepping motor (206) through a coupler, the stepping motor (206) is in screw connection with the support table (6), a threaded cylinder (205) is screwed on the outer wall of the lead screw (208), and transverse plates (207) are welded on two, the welding of the top of diaphragm (207) has round bar (202), and the top of round bar (202) extends hollow section of thick bamboo (209) welding and has baffle (204), the both ends embedded of baffle (204) is in the spout that first box (201) inner wall was seted up, the equal spiro union in both sides has the one end of connecting pipe (3) around the outer wall of second box (203), and the other end interference fit of connecting pipe (3) has output tube (12).
2. The liquid hazardous chemical injection apparatus of claim 1, wherein: and an anti-corrosion sealing strip is bonded on the lower surface of the baffle (204).
3. The liquid hazardous chemical injection apparatus of claim 1, wherein: the round rod (202) is located in the center of the inner cavity of the hollow cylinder (209), and the diameter of the hollow cylinder (209) is four times that of the round rod (202).
4. The liquid hazardous chemical injection apparatus of claim 1, wherein: the width of the first box (201) is four times of the width of the baffle (204).
5. The liquid hazardous chemical injection apparatus of claim 1, wherein: the top end of the lead screw (208) is in shaft connection with the inner wall of the second box body (203) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147940.6A CN109854474B (en) | 2019-02-28 | 2019-02-28 | Liquid dangerous chemical injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910147940.6A CN109854474B (en) | 2019-02-28 | 2019-02-28 | Liquid dangerous chemical injection device |
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| Publication Number | Publication Date |
|---|---|
| CN109854474A CN109854474A (en) | 2019-06-07 |
| CN109854474B true CN109854474B (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910147940.6A Active CN109854474B (en) | 2019-02-28 | 2019-02-28 | Liquid dangerous chemical injection device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1194615A1 (en) * | 1983-12-21 | 1985-11-30 | Научно-Исследовательский Институт Автоматизации Управления И Производства | Hydraulic system of electro-chemical machine |
| CN203715263U (en) * | 2013-12-31 | 2014-07-16 | 东莞市广华化工有限公司 | Temperature measurement quantification filling device |
| CN204099342U (en) * | 2014-07-14 | 2015-01-14 | 济钢集团有限公司 | A kind of oil leakage of hydraulic system device for fast detecting |
| CN104771850A (en) * | 2015-04-09 | 2015-07-15 | 新奥光伏能源有限公司 | Chemical leakage treatment system |
| CN207147582U (en) * | 2017-08-23 | 2018-03-27 | 厦门泓鑫新材料有限公司 | A kind of liquid hazardous chemical injection device |
-
2019
- 2019-02-28 CN CN201910147940.6A patent/CN109854474B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1194615A1 (en) * | 1983-12-21 | 1985-11-30 | Научно-Исследовательский Институт Автоматизации Управления И Производства | Hydraulic system of electro-chemical machine |
| CN203715263U (en) * | 2013-12-31 | 2014-07-16 | 东莞市广华化工有限公司 | Temperature measurement quantification filling device |
| CN204099342U (en) * | 2014-07-14 | 2015-01-14 | 济钢集团有限公司 | A kind of oil leakage of hydraulic system device for fast detecting |
| CN104771850A (en) * | 2015-04-09 | 2015-07-15 | 新奥光伏能源有限公司 | Chemical leakage treatment system |
| CN207147582U (en) * | 2017-08-23 | 2018-03-27 | 厦门泓鑫新材料有限公司 | A kind of liquid hazardous chemical injection device |
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| Publication number | Publication date |
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| CN109854474A (en) | 2019-06-07 |
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Effective date of registration: 20230903 Address after: Gao Lou Zhen Hong Di Cun, Rui'an City, Wenzhou City, Zhejiang Province, 325200 Patentee after: Wang Conghai Address before: 225400 No.10, Binjiang South Road, Taixing Economic Development Zone, Taizhou City, Jiangsu Province Patentee before: JIANGSU SHUNFENG CHEMICAL Co.,Ltd. |
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