CN213065538U - Chemical buffer tank device - Google Patents
Chemical buffer tank device Download PDFInfo
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- CN213065538U CN213065538U CN202022051840.4U CN202022051840U CN213065538U CN 213065538 U CN213065538 U CN 213065538U CN 202022051840 U CN202022051840 U CN 202022051840U CN 213065538 U CN213065538 U CN 213065538U
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Abstract
The utility model belongs to the technical field of chemical industry buffer tank technique and specifically relates to chemical industry buffer tank device, including the jar body of a full welding structure install the manometer that is used for detecting the pressure of the internal portion holding chamber of jar on the jar body, the jar body comprises middle part tube-shape jar and upper portion hemisphere cover, lower part hemisphere tank bottoms welding, on the lateral wall of upper end and the lower extreme of middle part tube-shape jar, the lower extreme of upper portion hemisphere cover all is provided with integrated into one piece's thickening epirelief section on the lateral wall along the lateral wall outward on the upper end of lower part hemisphere tank bottoms, adjacent butt joint and through the welding formation welding seam between the thickening epirelief section one side sealing connection of the jar body has a safe pressure reduction subassembly. This jar body device is owing to adopt the full welding structure and carry out the structural design of thickening evagination section at the welding position when storing chemical industry gas to can effectual improvement jar holistic intensity of body, the security of guaranteeing to use.
Description
Technical Field
The utility model belongs to the technical field of chemical industry buffer tank technique and specifically relates to chemical industry buffer tank device.
Background
The buffer tank has important effect at the in-process that chemical industry gas handled, generally divide into inhales the buffer tank and discharges the buffer tank two kinds, inhales its main effect of buffer tank and is exactly that: the flow unevenness of the suction pipe is reduced, the inertia loss is reduced, and the suction performance of the pump is improved; the discharge type buffer tank is used for reducing the flow unevenness of a discharge pipeline and avoiding excessive generation and meeting the requirements of a process flow.
However, the existing buffer tank also has some disadvantages, the internal and external pressures are unbalanced easily, and the buffer tank is easy to break after long-term use, and the buffer tank is accompanied by a strong explosion accident when the break phenomenon occurs, so that a large potential safety hazard exists when the buffer tank is used, and therefore, the existing method usually finds and reports in time as soon as possible, namely: when a worker finds that the gas buffer tank is broken, the problem must be reported in time, and professional personnel are required to maintain the gas buffer tank, so that major accidents are avoided; meanwhile, the service performance of the existing buffer tank has a plurality of defects when in use.
However, this method only plays a role of after-repair, and cannot achieve fundamental improvement in the performance of the buffer tank itself, so how to achieve the usability and safety of the conventional buffer tank through structural improvement is a key point of research in the chemical industry at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the chemical buffer tank device comprises a tank body with an all-welded structure, a pressure gauge for detecting the pressure of a storage cavity in the tank body is arranged on the tank body, the tank body is formed by welding a middle cylindrical tank with an upper hemispherical tank cover and a lower hemispherical tank bottom, integrally formed thickening convex sections are arranged on the outer side wall of the upper end and the lower end of the middle cylindrical tank, the outer side wall of the lower end of the upper hemispherical tank cover and the outer side wall of the upper end of the lower hemispherical tank bottom, the adjacent thickening convex sections are butted and welded to form a welding line, an air inlet pipe connected with an upstream gasification reactor is arranged at the top of the tank body, an air outlet pipe is arranged at the bottom of the tank body, the air inlet pipe with all be provided with solenoid electric valve on the outlet duct one side sealing connection of the jar body has a safe pressure reduction subassembly, the safe pressure reduction subassembly is used for realizing the safety protection to the jar body under the high pressure condition.
Preferably, the safety pressure reducing assembly comprises a safety pressure reducing auxiliary tank arranged on one side of the tank body, the safety pressure reducing auxiliary tank is communicated with the internal gas storage cavity of the tank body through a positive discharge pipe and a return pipe which are arranged at intervals, and a pressure reducing safety valve bank and a return valve bank are respectively arranged on the positive discharge pipe and the return pipe.
Preferably, the pressure reducing safety valve group comprises a safety valve and an outer discharge check valve which are arranged on the positive discharge pipe, and the outer discharge check valve controls one-way conduction from the tank body to the safety pressure reducing auxiliary tank.
Preferably, the valve block includes a return solenoid valve mounted on the return pipe.
Preferably, the tank body is provided with a pressure alarm, the pressure alarm is provided with a power supply and is used for monitoring the air pressure of the internal air storage cavity of the tank body and sending an audible and visual alarm signal.
Preferably, the pressure alarm is selected from the Ninegood brand 1701-H/L existing pressure alarm.
The beneficial effects of the utility model are embodied in:
1. when the tank body device is used for storing chemical gas, the full-welding structure is adopted, and the structural design of thickening the convex section is carried out at the welding part, so that the overall strength of the tank body can be effectively improved, and the use safety is ensured;
2. the arrangement of the tank body and the safety pressure reduction auxiliary tank can realize that when the interior of the tank body reaches the specified upper pressure limit, the pressure alarm can also give an alarm to remind an operator to perform corresponding operation in time; meanwhile, the auxiliary safety pressure reducing tank in the safety pressure reducing assembly can temporarily guide the gas into the auxiliary safety pressure reducing tank for temporary storage, so that sufficient time is provided for the operation of an operator;
3. when the gas in the tank needs to be discharged outside, the backflow valve group can be controlled to backflow and guide out the gas in the safety pressure reduction auxiliary tank by observing the change of the internal pressure of the tank body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.
In the figure, 1, a tank body; 101. a middle cylindrical tank; 102. an upper hemispherical tank cover; 103. the bottom of the lower hemispherical tank; 104. thickening the convex section; 105. an air inlet pipe; 106. an air outlet pipe; 107. an electromagnetic control valve; 108. welding seams; 2. A pressure gauge; 3. a safety pressure relief assembly; 301. a safe pressure reduction auxiliary tank; 302. a positive row of tubes; 303. a return pipe; 304. a safety valve; 305. an outward discharge check valve; 306. a return solenoid valve; 307. and a pressure alarm.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, the chemical buffer tank device comprises a tank body 1 of a full-welding structure, a pressure gauge 2 for detecting the pressure of a storage cavity inside the tank body 1 is installed on the tank body 1, the tank body 1 is formed by welding a middle cylindrical tank 101 with an upper hemispherical tank cover 102 and a lower hemispherical tank bottom 103, integrally formed thickened convex sections 104 are respectively arranged on the outer side wall of the upper end and the lower end of the middle cylindrical tank 101, the outer side wall of the lower end of the upper hemispherical tank cover 102 and the outer side wall of the upper end of the lower hemispherical tank bottom 103, a welding seam 108 is formed by butt joint between the adjacent thickened convex sections 104 and welding, an air inlet pipe 105 connected with an upstream vaporization reactor is arranged at the top of the tank body 1, an air outlet pipe 106 is arranged at the bottom of the tank body 1, and electromagnetic control valves 107 are respectively arranged on the air inlet pipe 105 and the air outlet pipe 106, one side sealing connection of jar body 1 has a safe pressure reduction subassembly 3, safe pressure reduction subassembly 3 is used for realizing the safety protection to jar body 1 under the high pressure condition.
The tank body 1 of the all-welded structure adopts the integrally formed thickened convex section 104 at the welding position during welding, so that the structural strength of the whole tank body 1 can be ensured, and the safety during use is ensured.
In addition, in the process of gas storage, the pressure gradually rises along with the increase of the internal gas, when the preset upper pressure limit is reached, the safety decompression component 3 and the pressure alarm 307 both work, and when the pressure alarm 307 is designed, the pressure alarm 307 is triggered firstly to give an alarm, so that inspection personnel can be reminded to perform operations such as closing, decompression and the like; when the pressure continues to increase by a small amount after alarming, the safety valve 304 of the safety pressure reducing assembly 3 can reach a preset opening parameter, and at this time, the high-pressure gas in the tank body 1 can overcome the opening pressure of the outward discharge check valve 305, so that the gas can be conveyed into the safety pressure reducing auxiliary tank 301 through the forward discharge pipe 302, and after relevant operation is performed by an operator, the pressure in the tank body 1 can be reduced to be below a specified pressure value, and at this time, the safety valve 304 can be closed, so that the safety pressure reducing operation is completed; the flow rate of the safety valve 304 and the outward discharge check valve 305 arranged here is greater than the rate of gas entering the tank body 1 when the gas is conveyed outward, so that the pressure reduction effect can be achieved, and the specific design is set by a technician.
Because the return pipe 303 is provided with the return solenoid valve 306, the return pipe 303 is always in a closed state when the pressure is reduced and discharged, and therefore, the return effect is not caused.
Preferably, the safety pressure reducing assembly 3 comprises a safety pressure reducing auxiliary tank 301 arranged on one side of the tank body 1, the safety pressure reducing auxiliary tank 301 is communicated with the internal gas storage cavity of the tank body 1 through a positive discharge pipe 302 and a return pipe 303 which are arranged at intervals, and a pressure reducing safety valve bank and a return valve bank are respectively arranged on the positive discharge pipe 302 and the return pipe 303.
Preferably, the pressure reducing and safety valve group comprises a safety valve 304 and an outer-row check valve 305 which are arranged on the positive row pipe 302, and the outer-row check valve 305 controls one-way conduction from the tank body 1 to the safety pressure reducing auxiliary tank 301.
When the pressure reaches the preset opening pressure, the safety valve 304 is opened, and meanwhile, due to the existence of the outward discharge check valve 305, the gas in the tank body 1 can be discharged outwards only, so that the one-way control of the discharge is ensured.
Preferably, the return valve block includes a return solenoid valve 306 mounted on the return line 303.
When the gas in the tank body 1 needs to be discharged outwards for use, the gas can be discharged after flowing into the tank body 1 by controlling the opening of the backflow solenoid valve 306.
Preferably, a pressure alarm 307 is installed on the tank body 1, the pressure alarm 307 is configured with a power supply, and the pressure alarm 307 is used for monitoring the air pressure of the internal air storage cavity of the tank body 1 and sending an audible and visual alarm signal.
Preferably, the pressure alarm 307 selects a pressure alarm with a Ninegood brand model of 1701-H/L, and the existing product can be directly purchased and installed during installation, and specific parameters are preset by technicians according to use requirements during setting.
The working process is as follows:
during the gas storage process, the pressure gradually rises along with the increase of the internal gas, when the preset upper pressure limit is reached, the safety decompression component 3 and the pressure alarm 307 both work, and the pressure alarm 307 is triggered firstly during the design so as to give an alarm, so that the inspection personnel can be reminded to perform the operations of closing, decompressing and the like; when the pressure continues to increase by a small amount after alarming, the safety valve 304 of the safety pressure reducing assembly 3 can reach a preset opening parameter, and at this time, the high-pressure gas in the tank body 1 can overcome the opening pressure of the outward discharge check valve 305, so that the gas can be conveyed into the safety pressure reducing auxiliary tank 301 through the forward discharge pipe 302, and after relevant operation is performed by an operator, the pressure in the tank body 1 can be reduced to be below a specified pressure value, and at this time, the safety valve 304 can be closed, so that the safety pressure reducing operation is completed; the flow rate of the safety valve 304 and the outward discharge check valve 305 arranged here is greater than the rate of gas entering the tank body 1 when the gas is conveyed outward, so that the pressure reduction effect can be achieved, and the specific design is set by a technician.
When the tank body 1 device is used for storing chemical gas, the structural design of the full-welded structure and the thickened convex section 104 at the welding part is adopted, so that the overall strength of the tank body 1 can be effectively improved, and the use safety is ensured; the arrangement of the tank body 1 and the safety pressure reduction auxiliary tank 301 can realize that when the interior of the tank body 1 reaches the specified upper pressure limit, the pressure alarm 307 can also give an alarm to remind an operator to perform corresponding operation in time; meanwhile, the auxiliary safety pressure reducing tank 301 in the auxiliary safety pressure reducing assembly 3 can temporarily guide the gas into the auxiliary safety pressure reducing tank 301 for temporary storage, so that sufficient time is provided for the operation of an operator; when the gas in the tank needs to be discharged outside, the gas in the safety pressure reduction auxiliary tank 301 can be refluxed and led out by controlling the reflux valve group by observing the change of the internal pressure of the tank body 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (6)
1. Chemical industry buffer tank device, its characterized in that: comprises a tank body with an all-welded structure, a pressure gauge for detecting the pressure of a storage cavity in the tank body is arranged on the tank body, the tank body is formed by welding a middle cylindrical tank with an upper hemispherical tank cover and a lower hemispherical tank bottom, integrally formed thickening convex sections are arranged on the outer side wall of the upper end and the lower end of the middle cylindrical tank, the outer side wall of the lower end of the upper hemispherical tank cover and the outer side wall of the upper end of the lower hemispherical tank bottom, the adjacent thickening convex sections are butted and welded to form a welding line, an air inlet pipe connected with an upstream gasification reactor is arranged at the top of the tank body, an air outlet pipe is arranged at the bottom of the tank body, the air inlet pipe with all be provided with solenoid electric valve on the outlet duct one side sealing connection of the jar body has a safe pressure reduction subassembly, the safe pressure reduction subassembly is used for realizing the safety protection to the jar body under the high pressure condition.
2. The chemical buffer tank device of claim 1, wherein: the safety pressure reducing assembly comprises a safety pressure reducing auxiliary tank arranged on one side of the tank body, the safety pressure reducing auxiliary tank is provided with a positive exhaust pipe, a return pipe and an internal gas storage cavity, the positive exhaust pipe and the return pipe are arranged at intervals, and a pressure reducing safety valve group and a return valve group are respectively arranged on the return pipe.
3. The chemical buffer tank device of claim 2, wherein: the pressure reducing safety valve group comprises a safety valve and an outer discharge one-way valve which are arranged on the positive discharge pipe, and the outer discharge one-way valve controls one-way conduction from the tank body to the safety pressure reducing auxiliary tank.
4. The chemical buffer tank device of claim 3, wherein: the backflow valve group comprises a backflow solenoid valve arranged on the backflow pipe.
5. The chemical buffer tank device of claim 4, wherein: the tank body is provided with a pressure alarm which is provided with a power supply and used for monitoring the air pressure of the internal air storage cavity of the tank body and sending an audible and visual alarm signal.
6. The chemical buffer tank device of claim 5, wherein: the pressure alarm is an existing 1701-H/L pressure alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051840.4U CN213065538U (en) | 2020-09-18 | 2020-09-18 | Chemical buffer tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022051840.4U CN213065538U (en) | 2020-09-18 | 2020-09-18 | Chemical buffer tank device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213065538U true CN213065538U (en) | 2021-04-27 |
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ID=75559046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022051840.4U Active CN213065538U (en) | 2020-09-18 | 2020-09-18 | Chemical buffer tank device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213065538U (en) |
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2020
- 2020-09-18 CN CN202022051840.4U patent/CN213065538U/en active Active
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