CN113324178B - High-concentration organic waste gas collecting and conveying system - Google Patents
High-concentration organic waste gas collecting and conveying system Download PDFInfo
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- CN113324178B CN113324178B CN202110760038.9A CN202110760038A CN113324178B CN 113324178 B CN113324178 B CN 113324178B CN 202110760038 A CN202110760038 A CN 202110760038A CN 113324178 B CN113324178 B CN 113324178B
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- buffer tank
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- 239000007789 gas Substances 0.000 title claims abstract description 95
- 239000010815 organic waste Substances 0.000 title claims abstract description 29
- 239000002912 waste gas Substances 0.000 claims abstract description 87
- 238000004519 manufacturing process Methods 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 35
- 239000002994 raw material Substances 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 38
- 238000004140 cleaning Methods 0.000 description 15
- 238000009833 condensation Methods 0.000 description 11
- 230000005494 condensation Effects 0.000 description 11
- 238000007599 discharging Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 241000521257 Hydrops Species 0.000 description 4
- 206010030113 Oedema Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
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- 230000007480 spreading Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The application discloses high-concentration organic waste gas collection and conveying system, including waste gas collection device, buffer tank, condenser, fan and connecting tube etc. production facility includes technology apparatus for producing, former storage bucket and finished product bucket etc.. The collecting and conveying system collects and conveys high-concentration organic waste gas generated by production equipment in the production process to the waste gas treatment equipment, the waste gas generated by the production equipment is firstly collected directly or through a collecting device and is connected to a buffer tank through a pipeline, and the waste gas discharge speed is inconsistent due to inconsistent intensity of different reactions, so that the waste gas of each air inlet pipe is firstly subjected to pressure balance in the buffer tank, the problems of air cross, pressure holding and back suction between process production devices are prevented, the quality and the production safety of the produced products are ensured, the safe and stable operation of the waste gas collecting and conveying system is ensured, the organic waste gas generated by the production equipment is finally purified and safely discharged, the environment is protected, and the green production is realized.
Description
Technical Field
The invention relates to the technical field of waste gas collection and conveying, in particular to a high-concentration organic waste gas collection and conveying system.
Background
Production equipment such as reation kettle in production workshop can produce waste gas in production process, in order to collect these waste gas, workshop or factory have the trunk line, and the waste gas vent of each production equipment passes through pipeline lug connection to on the trunk line, and the trunk line inner space is limited, and different blast pipes lug connection is on the trunk line, and each blast pipe inside gas concentration is different, and the pressure is different to easily appear the problem such as gas leakage, holding back pressure, suck-back, hydrops on the trunk line, seriously influenced the normal operating of unit, even there is the potential safety hazard.
In view of this, the present invention has been made.
Disclosure of Invention
The invention provides a high-concentration organic waste gas collecting and conveying system, which can buffer air pressure by arranging a buffer tank, balance the pressure of each pipeline and prevent the problems of air leakage, pressure holding, back suction, liquid accumulation and the like.
To achieve the technical object of the present application, the present application provides a high-concentration organic waste gas collecting and conveying system, including:
an exhaust gas collection device connected to the production facility to collect organic exhaust gas;
the buffer tank is respectively connected with the waste gas collecting device and the waste gas treatment equipment;
the fan is arranged on a pipeline connecting the buffer tank and the waste gas treatment equipment;
the production equipment comprises a process production device, a raw material barrel and a finished product barrel.
Preferably, the waste gas collecting device is provided with a material circulation channel and an exhaust joint, the raw material barrel and the finished product barrel are respectively connected to the process production device through corresponding waste gas collecting devices, the buffer tank is connected with an exhaust pipe and a plurality of air inlet pipes, part of the air inlet pipes are connected with the exhaust joint of the waste gas collecting device, and part of the air inlet pipes are directly connected with the process production device.
Preferably, the exhaust gas collecting device comprises a pipeline and an exhaust gas collecting cover sleeved on the pipeline, the raw material barrel and the finished product barrel are respectively provided with a material passing port, the diameter of the material passing port is larger than that of the pipeline, the pipeline penetrates through the material passing port, the exhaust gas collecting cover covers the material passing port, and the exhaust gas collecting cover is provided with an exhaust joint.
Preferably, the air inlet pipe is provided with a one-way valve and a flame arrester, and the buffer tank is provided with a respirator.
Preferably, a buffer cavity is arranged in the buffer tank, the air inlet pipe and the air outlet pipe are both communicated with the buffer cavity, a liquid discharge pipeline is connected to the buffer tank, the liquid discharge pipeline is connected to the bottom of the buffer tank, and an on-off valve is arranged on the liquid discharge pipeline.
Preferably, the exhaust pipe is connected with an exhaust gas conveying pipeline, and the fan and the exhaust gas treatment equipment are both arranged on the exhaust gas conveying pipeline.
Preferably, the waste gas conveying pipeline comprises a main pipeline of a factory area and a plurality of main pipelines of a workshop, each main pipeline of the workshop is respectively connected to the main pipeline of the factory area, and each buffer tank in the same workshop is connected to the corresponding main pipeline of the workshop through an exhaust pipe.
Preferably, a condenser is connected to the main pipe of the workshop.
Preferably, the plant main pipeline is provided with an inclined pipeline section, one end of the inclined pipeline section, which is close to the plant main pipeline, is a high-position end, one end, which is far away from the plant main pipeline, is a low-position end, and the fan and the waste gas treatment equipment are both arranged on one side, which is far away from the plant main pipeline, of the inclined pipeline section.
Preferably, the high-concentration organic waste gas collecting and conveying system further comprises a collecting barrel, and the collecting barrel is communicated with the main pipeline of the factory.
Through adopting above-mentioned technical scheme for this application has following beneficial effect:
the high-concentration organic waste gas collecting and conveying system comprises a waste gas collecting device, a buffer tank, a condenser, a fan, a connecting pipeline and the like, and production equipment comprises a process production device, a raw material barrel, a finished product barrel and the like. The collecting and conveying system collects and conveys high-concentration organic waste gas generated by production equipment in the production process to the waste gas treatment equipment, the waste gas generated by the production equipment is firstly collected directly or through a collecting device and is connected to a buffer tank through a pipeline, and the waste gas discharge speed is inconsistent due to inconsistent intensity of different reactions, so that the waste gas of each air inlet pipe is firstly subjected to pressure balance in the buffer tank, the problems of air cross, pressure holding and back suction between process production devices are prevented, the quality and the production safety of the produced products are ensured, the safe and stable operation of the waste gas collecting and conveying system is ensured, the organic waste gas generated by the production equipment is finally purified and safely discharged, the environment is protected, and the green production is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention, without limitation to the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
FIG. 1 is a schematic cross-sectional view of a buffer tank in a high-concentration organic waste gas collection and delivery system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a schematic perspective view of a buffer tank according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cover of a buffer tank according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a horizontal arrangement of check valves of a buffer tank according to an embodiment of the present invention;
FIG. 7 is a schematic view illustrating the inclined arrangement of the check valve of the buffer tank according to the embodiment of the present invention;
FIG. 8 is a schematic diagram of a system for collecting and transporting high-concentration organic waste gas according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a connection structure between a main pipe and an exhaust pipe in a workshop in an exhaust gas collecting and transporting system according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a structure of a collecting tank connected to a main pipe of a factory in an exhaust gas collecting and transporting system according to an embodiment of the present invention;
FIG. 11 is an enlarged view of portion C of FIG. 10;
FIG. 12 is a schematic view of the structure of a finished product tank or a raw material tank in the exhaust gas collection and transportation system according to the embodiment of the present invention;
FIG. 13 is a cross-sectional view of the lid of the finished bucket in the exhaust collection and delivery system provided by an embodiment of the present invention;
FIG. 14 is a top view of the lid of the finished bucket in the exhaust collection and delivery system provided by the present invention;
FIG. 15 is a schematic view of a discharge fitting in an exhaust gas collection and delivery system according to an embodiment of the present invention;
FIG. 16 is a schematic view of a feed assembly in an exhaust collection and delivery system according to an embodiment of the present invention;
FIG. 17 is a schematic side view of a condenser in an exhaust gas collection and delivery system according to an embodiment of the present invention;
FIG. 18 is a schematic diagram showing the front view of a condenser in an exhaust gas collection and delivery system according to an embodiment of the present invention;
fig. 19 is a schematic top view of a condenser in an exhaust gas collecting and transporting system according to an embodiment of the present invention.
In the figure: 1. a buffer tank; 11. a tank body; 111. a buffer chamber; 112. a second flange portion; 113. a liquid discharge pipe; 12. a cover body; 120. a pressure gauge; 121. an exhaust port; 122. an air inlet; 123. a respirator mounting port; 124. a pressure gauge mounting port; 125. a first flange portion; 126. an air inlet pipe; 1261. a vertical section; 1262. an air inlet section; 1263. a one-way valve; 1263a, valve body; 1263b, valve plate; 1264. a flame arrester; 128. an exhaust pipe; 1281. a lower extension pipe; 1282. a connecting pipe; 1283. a first arcuate transition tube; 1284. a second arcuate transition tube; 13. a bracket; a. an on-off valve; 2. a process production device; 3. a finished product barrel/raw material barrel; 31. a barrel cover; 32. a handle; 33. the material passes through the pipe; 34. a material passing port; 35. a window section; 36. an exhaust port; 37. an inert gas replenishment port; 38. a pipe; 381. a limit part; 382. an exhaust gas collection cover; 383. a quick-connect joint; 384. a threaded tube; 4. a cooling device; 5. a main workshop pipeline; 51. a condenser; 511. a first variable diameter housing; 512. a second variable diameter housing; 513. a middle housing; 5131. a first housing; 5132. a second housing; 514. a first cleaning port; 515. a second cleaning port; 516. a third cleaning port; 517. a condensing inlet; 518. a condensation outlet; 519. a first cooling tube joint portion; 520. a second cooling tube joint portion; 521. a discharge port; 522. a cooling pipe; 6. a main pipeline of a factory; 61. an inclined tube section; 7. a collecting barrel; 8. an exhaust gas treatment device; 9. a chimney; 10. a blower.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 19, a first embodiment of the present application provides a high-concentration organic waste gas collecting and conveying system, which includes a waste gas collecting device, a buffer tank, a condenser, a fan, a connecting pipeline, and the like, and a production device includes a process production device, a raw material barrel, a finished product barrel, and the like. The collecting and conveying system collects and conveys high-concentration organic waste gas generated by production equipment in the production process to the waste gas treatment equipment, the waste gas generated by the production equipment is firstly collected directly or through a collecting device and is connected to a buffer tank through a pipeline, and the waste gas discharge speed is inconsistent due to inconsistent intensity of different reactions, so that the waste gas of each air inlet pipe is firstly subjected to pressure balance in the buffer tank, the problems of air cross, pressure holding and back suction between process production devices are prevented, the quality and the production safety of the produced products are ensured, the safe and stable operation of the waste gas collecting and conveying system is ensured, the organic waste gas generated by the production equipment is finally purified and safely discharged, the environment is protected, and the green production is realized.
The waste gas collecting device is provided with a material circulation channel and an exhaust joint, the raw material barrel and the finished product barrel are respectively connected to the process production device through corresponding waste gas collecting devices, the buffer tank is connected with an exhaust pipe and a plurality of air inlet pipes, part of the air inlet pipes are connected with the exhaust joint of the waste gas collecting device, and part of the air inlet pipes are directly connected with the process production device.
The waste gas collection device comprises a pipeline and a waste gas collection cover sleeved on the pipeline, material passing holes are formed in the raw material barrel and the finished product barrel, the diameter of each material passing hole is larger than that of the pipeline, the pipeline penetrates through the material passing hole, the waste gas collection cover covers the material passing hole, and the waste gas collection cover is provided with an exhaust joint.
The exhaust pipe is connected with an exhaust gas conveying pipeline, and the fan and the exhaust gas treatment equipment are both arranged on the exhaust gas conveying pipeline.
The waste gas conveying pipeline comprises a factory main pipeline and a plurality of workshop main pipelines, each workshop main pipeline is connected to the factory main pipeline respectively, and each buffer tank in the same workshop is connected to the corresponding workshop main pipeline through an exhaust pipe.
The buffer tank 1 has a plurality of air inlets 122, and each air inlet 122 is connected to an air inlet pipe 126. Each buffer tank 1 can be connected with two or more than two process production devices.
The process production device is provided with a first waste gas outlet, one end of a first air inlet pipe is connected with the first waste gas outlet, and the other end of the first air inlet pipe is connected with the buffer tank. The process production device is connected with a cooling device 4, the cooling device 4 is provided with a cooling cavity, the process production device 2 is provided with a reaction cavity, the cooling cavity is communicated with the reaction cavity, a second waste gas outlet is arranged on the cooling device 4, and the second waste gas outlet is connected with an air inlet 122 on the buffer tank 1 through a second air inlet pipe. The gas discharged from the second waste gas outlet of the cooling device 4 also has water vapor, the components of the discharged waste gas are not identical to those of the first waste gas outlet, and the air pressure and the flow rate are also different. Through all being connected to first waste gas outlet and second waste gas outlet buffer tank 1, accessible buffer tank 1 is to first waste gas outlet and second waste gas outlet exhaust waste gas buffering, and balanced two's pressure prevents to appear the problem of gas mixing, holding down and suck-back, guarantees exhaust treatment system safe and stable operation.
The finished product barrel 3 is provided with a third waste gas outlet which is connected with an air inlet 122 on the buffer tank 1 through a third air inlet pipe. The raw material barrel is provided with a fourth waste gas outlet which is connected with an air inlet 122 on the buffer tank 1 through a fourth air inlet pipe.
So, then technology apparatus for producing 2, finished product bucket 3, former storage bucket, cooling device 4 exhaust waste gas can be let in buffer tank 1 and carry out atmospheric pressure buffering balance treatment, prevent the problem of gas cross, holding back pressure and suck-back, improve product quality.
Example two
Referring to fig. 11 to 16, a second embodiment of the present application describes the high-concentration organic exhaust gas collecting and transporting system in the first embodiment in detail. Specifically, the waste gas collecting device comprises two discharging fittings and feeding fittings. The raw material barrel and the finished product barrel 3 are respectively provided with a containing cavity, the raw material barrel and the finished product barrel 3 are respectively covered with a barrel cover 31, and the barrel covers 31 are provided with a material passing port 34 and an inert gas supplementing port 37. The discharging accessory is connected to the material passing hole 34 on the barrel cover 31 of the raw material barrel, the discharging accessory is communicated with the process production device, and the exhaust joint on the discharging accessory is connected to the buffer tank through the air inlet pipe to introduce waste gas into the buffer tank. The feeding fittings are connected to the material passing openings 34 on the barrel cover 31 of the finished barrel 3, and are communicated with the process production device (such as a reaction kettle), and the feeding fittings are connected to the buffer tank through air inlet pipes. The inert gas pipe is connected with an inert gas supplementing port 37 on the barrel cover.
In the production process, the raw material barrel 3 conveys raw materials into a process production device through a discharging accessory, the raw materials react in the process production device, and after the reaction is finished, the materials are conveyed into a finished product barrel 3 through a feeding accessory, in order to prevent the raw materials or the finished products from contacting air, inert gas can be introduced into the raw material barrel and the finished product barrel 3, the raw materials and the finished products are protected in a sealing way, and the raw materials and the finished products are prevented from being influenced by oxidation of the contact air to the quality of the products.
The first embodiment is the same, the discharging fitting and the feeding fitting both comprise a pipeline 38 and an exhaust gas collecting cover 382 sleeved on the pipeline 38, the pipeline penetrates through the material passing hole 34, the exhaust gas collecting cover 382 is covered on the material passing hole 34, the exhaust gas collecting cover 382 covers the material passing hole 34, and organic exhaust gas in the accommodating cavity enters the exhaust gas collecting cover 382 and then enters the buffer tank through the exhaust joint and the air inlet pipe.
In one possible embodiment, the barrel cover 31 is provided with a material passing pipe 33 protruding upwards, the material passing pipe 33 is provided with the material passing port 34, and the exhaust gas collecting cover 382 covers the top end of the material passing pipe 33.
The exhaust gas collecting cover 382 has a conical structure, the wide-mouth end of the exhaust gas collecting cover 382 covers the material passing pipe 33, and the narrow-mouth end of the exhaust gas collecting cover 382 is in contact with the pipe 38. The narrow mouth end of the exhaust gas collection housing 382 may be slidably engaged with the conduit or may be fixedly attached. Preferably, the narrow mouth end of the exhaust gas collection housing 382 is slidably connected to the conduit 38 to facilitate adjustment of the position of the exhaust gas collection housing 382 on the conduit depending on the size of the raw or final barrel 3. Further, in order to prevent exhaust gas from being discharged from the narrow-mouth end of the exhaust gas collecting cover 382, a seal ring may be provided between the narrow-mouth end and the duct, sealing a gap between the narrow-mouth end portion and the duct.
Preferably, a limiting part 381 is disposed on the outer wall of the pipe 38, and the limiting part 381 limits the position of the exhaust gas collecting cover 382 to prevent the exhaust gas collecting cover 382 from being separated from the pipe. The limit part 381 may be a protrusion protruding from the outer wall of the pipe.
The exhaust gas collection cap 382 may be placed directly on the end of the material passing tube 33 and not fixedly connected to the material passing tube 33. In order to prevent the exhaust gas collection cap 382 from being detached from the material passing tube 33, the exhaust gas collection cap 382 and the material passing tube 33 may be fixedly connected, illustratively: the inside of exhaust gas collection cover 382 sets up screwed pipe 384, screwed pipe 384 has the external screw thread, the material passes through the internal screw thread that sets up on the pipe 33, screwed pipe 384 with the material passes through the pipe 33 threaded connection.
Wherein, window part 35 and exhaust port 36 are arranged on the barrel cover 31, and the exhaust port 36 is connected to a collecting pipe, for example, can be communicated to a buffer tank through an air inlet pipe. The exhaust rate of the exhaust gas can be increased by providing the exhaust port 36. The exhaust port 36 may also be closed when the exhaust port 36 is not in use.
The middle part of the barrel cover 31 is provided with a handle 32, and the window part 35, the exhaust port 36, the logistics through port and the inert gas supplementing port 37 are circumferentially arranged around the handle 32. The barrel cover 31 and the raw material barrel/finished barrel 3 can be in sealing connection, and an operator can conveniently hold the barrel cover 31 to be opened or closed through the design of the handle 32.
The main pipeline of the factory can be connected with waste gas treatment equipment, the waste gas treatment equipment can carry out purification treatment on waste gas flowing through the waste gas treatment equipment and discharge the waste gas after the purification treatment.
Example III
Referring to fig. 1 to 5, a third embodiment of the present application describes the structure of the buffer tank 1 in detail based on the above embodiments, specifically, the buffer tank 1 includes a tank body 11 and a cover body 12, and a plurality of air inlet pipes 126, a drain pipe 113 and an exhaust pipe 128 are connected to the buffer tank 1. The tank 11 is internally provided with a buffer cavity 111, and the top of the tank 11 is provided with an upper opening communicated with the buffer cavity 111. The cover 12 is connected to the can 11, and the cover 12 closes the upper opening. Each air inlet pipe 126 is disposed through the cover 12, and each air inlet pipe 126 extends into the buffer cavity 111. A drain pipe 113 is connected to the tank 11, and the drain pipe 113 communicates with the buffer chamber 111. The exhaust pipe 128 is disposed through the cover 12, and the exhaust pipe 128 extends into the buffer chamber 111. Wherein, the distance from the bottom end of the air inlet pipe 126 to the bottom wall of the buffer chamber 111 is different from the distance from the bottom end of the air outlet pipe 128 to the bottom wall of the buffer chamber 111.
Waste gas exhausted by each part of production equipment in a workshop can be respectively introduced into the buffer tank 1 through the air inlet pipe 126, the buffer tank 1 can buffer air pressure, the pressure of each pipeline is balanced, the problems that in the prior art, the main pipeline is directly connected with different pipelines, gas mixing, pressure holding, back suction and liquid accumulation are easy to occur are solved, and safe and stable operation of a unit is ensured.
Referring to fig. 1, there is a difference in distance between the bottom end of the air inlet pipe 126 and the bottom end of the air outlet pipe 128, so that the air discharged from each air inlet pipe 126 has a process of balancing and buffering, and the air pressure balancing effect is improved. The bottom ends of the respective air inlet pipes 126 may be located in the same horizontal plane. Specifically, when the density of the exhaust gas is greater than that of the air, the bottom end of the air inlet pipe 126 may be set higher than that of the exhaust pipe 128, so that the exhaust gas is discharged from the exhaust pipe 128, and when the density of the exhaust gas is less than that of the air, the bottom end of the air inlet pipe 126 may be set lower than that of the exhaust pipe 128, so that the exhaust gas is discharged from the exhaust pipe 128.
Referring to fig. 5, in one possible embodiment, the cover 12 is provided with an exhaust port 121 and a plurality of air inlets 122, and the exhaust port and each air inlet 122 are sequentially distributed along the circumferential direction of the cover 12. Each of the intake pipes 126 is disposed through the intake port 122, and the exhaust pipe 128 is disposed through the exhaust port 121. By arranging the exhaust port 121 and the air inlet 122 on the cover body 12, the assembly of the air inlet pipe 126 and the air outlet pipe 128 is facilitated, the exhaust ports and the air inlet 122 are distributed along the circumferential direction of the cover body 12, the layout is more reasonable, and more air inlets 122 can be conveniently arranged.
Referring to fig. 5, in one possible embodiment, the cover 12 is further provided with a respirator mounting port 123, and the respirator mounting port 123, the exhaust port 121, and the air inlet port 122 are located on the same trajectory circle. The surge tank 1 further includes a respirator mounted on the respirator mounting port 123. The respirator can automatically adjust the air pressure in the buffer cavity 111, when the air pressure in the buffer cavity 111 is positive pressure, the respirator is started to adjust the air pressure in the buffer cavity 111 to keep a micro negative pressure state, when the air pressure in the buffer cavity 111 is too small, the respirator is also started to adjust the air pressure in the buffer tank 1, and the set micro negative pressure state is kept in the buffer cavity 111.
Referring to fig. 5, the buffer tank 1 further includes a pressure gauge mounting port 124, the pressure gauge mounting port 124 is disposed on the cover 12 and located at the center of the track circle, and the pressure gauge 120 is mounted on the pressure gauge mounting port 124. The pressure gauge 120 does not need an external pipeline, the pressure gauge 120 can be installed in the middle of the cover body 12, the peripheral side space of the cover body 12 is not occupied, more air inlet pipes 126 are conveniently arranged on the cover body 12, and the arrangement of the air inlet pipes 126 and the exhaust pipes 128 is not affected. The cover 12 is horizontally arranged, and the center position of the cover 12 is the most horizontal position, and the pressure gauge 120 is installed at the most horizontal position, so that the accuracy requirement of the air pressure gauge can be met.
Referring to fig. 2, the cover 12 is provided with a first flange 125, and the can 11 is provided with a second flange 112 on the upper opening periphery side. The first flange portion 125 and the second flange portion 112 are attached to each other, and the first flange portion 125 and the second flange portion 112 are connected and fixed by a fastener. Through detachably setting up lid 12, conveniently trompil in order to install each part on lid 12, and through concentrated trompil on lid 12, reduced the processing degree of difficulty, improved buffer tank 1's production efficiency, each pipeline, sensor, manometer 120, respirator all can conveniently install on lid 12.
Referring to fig. 1 and 3, in one possible embodiment, the buffer tank 1 further includes a bracket 13, the bracket 13 is connected to the tank 11, the drain 113 is partially located inside the bracket 13, and the drain 113 is connected to the bottom of the tank 11. The drain 113 may be used to drain condensed liquid from the buffer tank 1.
In a possible embodiment, the tank 11 has a bottom wall and a peripheral wall disposed around the periphery of the bottom wall, a liquid discharge port is disposed in the middle of the bottom wall, and one end of the liquid discharge pipe 113 is connected to the liquid discharge port, and the other end extends out of the bracket 13.
Wherein, on-off valves a are arranged on the air inlet pipe 126, the air outlet pipe 128 and the liquid discharge pipe 113. The on-off valve can be a PP ball valve, and the PP ball valve has good corrosion resistance.
Example IV
Referring to fig. 1 to 6, in a fourth embodiment of the present application, the buffer tank 1 is further described in detail, specifically, each of the air inlet pipes 126 is provided with a check valve 1263 and a flame arrester 1264, and the flame arrester 1264 is disposed on a side of the check valve 1263 close to the buffer tank body. The liquid drain pipe 113 is connected to the bottom of the buffer tank body, and the liquid drain pipe 113 communicates with the buffer chamber 111. The exhaust pipe 128 is connected to the surge tank body, and the exhaust pipe 128 communicates with the surge chamber 111.
In this embodiment, fire is prevented from occurring by providing the flame arrestor 1264 on the air inlet pipe 126, and when the buffer cavity 111 is over-pressurized by providing the check valve 1263 on the air inlet pipe 126, the check valve 1263 is closed, thus preventing air leakage, improving the safety of the exhaust gas treatment system, and preventing safety accidents.
The air inlet pipe 126 includes a vertical section 1261 and an air inlet section 1262 connected to the vertical section 1261, the vertical section 1261 is parallel to a central axis of the buffer tank body, the vertical section 1261 extends into the buffer cavity 111, the air inlet section 1262 and the vertical section 1261 have an included angle, and the check valve 1263 is disposed on the air inlet section 1262. The structural features of the check valve 1263 are not suitable for mounting on the vertical segment 1261, and the present application facilitates assembly of the check valve 1263 by providing an air intake segment 1262.
The air inlet section 1262 may be horizontally disposed or may be obliquely disposed. Preferably, the air intake section 1262 is angled from 5 ° to 20 ° from horizontal.
Referring to fig. 6 and 7, the check valve 1263 includes a valve body 1263a and a valve plate 1263b, a gas channel and a valve plate matching portion are disposed in the valve body 1263a, the valve plate is disposed on the valve body 1263a, and when the valve plate 1263b is attached to the valve plate matching portion, the valve plate 1263b closes the gas channel. The valve plate matching part can be an annular step circumferentially arranged around the gas channel.
Referring to fig. 7, the air inlet section 1262 is inclined, for example, inclined by 10 °, and in the unvented natural state, the valve plate 1263b is vertical, and a vent gap is formed between the valve plate 1263b and the valve plate mating portion. In this way, even in a state where the air pressure of the air intake pipe 126 is small, the exhaust gas can enter the surge tank 1 through the ventilation gap in the check valve 1263. And when the internal fire of the buffer tank 1 occurs, the internal air pressure of the buffer tank 1 is increased, and the valve plate 1263b moves to one side of the valve plate matching part to seal the air flow channel, so that the fire is prevented from spreading.
Wherein the flame arrestor 1264 may be mounted within the vertical segment 1261.
Specifically, the flame arrestor 1264 includes a first valve body, a second valve body, and a flame arrestor mesh. The first valve body and the second valve body all include toper cover portion and connect the connecting seat of toper cover portion, the toper cover deviates from the one end of connecting seat is wide-mouth end, the wide-mouth end sets up flange portion, the flange portion of first valve body and second valve body is laminated mutually and is fixed through the fastener, first valve body and second valve body enclose and close and form the fire-retardant chamber, the fire-retardant net sets up in the fire-retardant intracavity, the connecting seat is connected with the intake pipe. When heated, the fire-blocking net expands to form a sealing structure, closing the air inlet pipe 126, thereby playing a role in fire prevention.
Example five
The fifth embodiment of the present application further specifies the high-concentration organic waste gas collecting and conveying system based on the above embodiments, and is specifically shown in fig. 1 to 9, the buffer tank 1 has an air inlet and an air outlet 121, the main workshop pipe 5 is connected with the air outlet 121 of the buffer tank 1 through the air outlet pipe 128, the main factory pipe 6 is connected with a liquid collecting device, the main workshop pipe is connected to the main factory pipe, and the waste gas collecting and conveying system can flow into the buffer tank through setting the buffer tank and is finally discharged.
The waste gas collection and conveying system of the utility model can buffer air pressure and balance the pressure of each pipeline by arranging the buffer tank 1, so that the problems of air mixing, pressure holding and suck-back easily occur in the process production device and the main pipeline which are directly connected by different exhaust pipes 128 in the prior art are solved, and the waste gas collection and conveying system is ensured to run safely and stably.
A connection port is arranged on the bottom wall of the main pipeline 6 of the factory, and the top end of the main pipeline 5 of the workshop is connected to the connection port. In this way, the flow of the accumulation liquid into the buffer tank 1 is facilitated.
Optionally, a condenser 51 is disposed on the main workshop pipe 5, and the condenser has a cooling cavity communicated with the main workshop pipe 5 and a liquid drain communicated with the cooling cavity. By providing the condenser 51 on the main pipe 5 of the workshop, the waste gas can be further condensed, and the solvent liquid condensed by the waste gas can be collected, and the effect of collecting and discharging the solvent liquid can be also achieved.
Referring to fig. 8, in a possible embodiment, at least a part of the main pipe section of the plant area pipe 6 is disposed obliquely, and an end near the main plant pipe 5 is a high position end, and an end far from the main plant pipe 5 is a low position end. Through setting up factory's trunk line slope, can make the hydrops flow from high to low, effectually avoided the hydrops refluence.
The effusion collection device comprises a collection vessel 7 for collecting waste liquid. The liquid accumulated in the main pipeline 6 in the factory is directly discharged into the collecting barrel and separated from the main pipeline, so that excessive accumulated liquid in the main pipeline 6 in the factory is prevented.
In a preferred embodiment, the main factory floor pipe 6 has an inclined pipe section 61, and the collection tank 7 is connected to the end of the inclined pipe section 61 such that liquid adhering to the inner wall of the inclined pipe section flows along the inclined pipe and eventually into the collection tank. The collecting barrel is provided with a discharge port, a clean valve is arranged on the discharge port, and liquid collected in the collecting barrel can be discharged by opening the clean valve.
Referring to fig. 8, in one possible embodiment, the exhaust treatment device 8 is connected to the end of the main factory floor pipe 6. The waste gas can be purified by arranging waste gas treatment equipment, and the purified qualified gas is discharged through a chimney connected to the tail end of the main pipeline 6 of the factory.
The fan 10 is connected to the main pipeline 6 of the factory floor. The fan 10 is arranged to enable the buffer tank 1 and related pipelines to be kept in a negative pressure state, so that the exhaust gas circulation rate is increased.
Example six
In a sixth embodiment of the present application, a collecting tank is described in detail on the basis of the above embodiments. The high-concentration organic waste gas collecting and conveying system further comprises a grounding wire device. The ground wire means is connected to the collecting vessel 7. The exhaust gas treatment system of this application has improved system security through connecting the earth connection device on collecting vessel 7, produces static initiation incident on the effectual trunk line of avoiding.
In a possible embodiment, the main plant pipe and the main plant pipe are plastic pipes, and the collecting vessel 7 is a stainless steel vessel. The trunk line adopts plastic conduit, adopts glass steel pipeline for example, has corrosion-resistant, light in weight and a great deal of beneficial effect with low costs, but also has the problem of producing static easily simultaneously, to this, this application has designed the collecting vessel 7 of connecting the metallic material of trunk line and making, still has the dual function with trunk line ground connection when collecting the intraductal hydrops, has improved system security.
Wherein, referring to fig. 10 and 11, the ground wire means includes a ground wire 73 connected to the ground angle steel and a ground wire 75, the ground wire 73 and the collecting barrel 7 are detachably connected, and the ground wire 75 may be inserted into the ground.
The one end that earth connection 73 connects collecting vessel 7 sets up sheetmetal 74, set up the connecting hole on the sheetmetal 74, set up double-screw bolt 76 on the collecting vessel 7, sheetmetal 74 cover is established on the double-screw bolt 76, nut 77 threaded connection is in on the double-screw bolt 76 in order to fix sheetmetal 74.
Further, the antistatic waste gas treatment system further comprises a connecting pipe 71, one end of the connecting pipe 71 is connected with the main pipeline of the factory, the other end of the connecting pipe is connected with the collecting barrel 7, and the connecting pipe 71 is a metal pipe. The connection pipe 71 electrically connects the main pipe and the metallic collecting tub 7.
Wherein, the connecting pipe 71 can be a corrugated hose, which is convenient for arranging the collecting barrel 7 at the lower part. The ball valve 72 is provided on the connection pipe 71.
Optionally, the main pipe has an inclined section 61, and the collecting vessel 7 is connected to the lowest end of the inclined section 61 by a connecting pipe 71, so that the liquid can flow into the collecting vessel 7.
The gradient of the pipe of the inclined section 61 is five thousandths, so that the liquid flow is facilitated, the flow speed of the liquid is controlled not to be too fast, and the liquid can flow into the collecting barrel 7 conveniently.
The inner wall of the lowest end of the inclined section 61 is provided with a lower concave cavity, the lower concave cavity extends along the circumferential direction of the main pipeline, the bottom wall of the lower concave cavity is provided with a liquid outlet, and the connecting pipe 71 is connected to the liquid outlet.
Through the setting in sunken chamber, can assemble liquid, the liquid of being convenient for gets into the leakage fluid dram, and then lets in the collecting vessel 7 through connecting pipe 71.
Example seven
The present application describes in further detail the high-concentration organic waste gas collecting and transporting system based on the above embodiments, specifically, a condenser 51 is disposed on the main workshop pipe 5, and the condenser has a cooling cavity communicating with the main workshop pipe 5 and a liquid outlet communicating with the cooling cavity. By arranging the condenser 51 on the main pipe 5 of the workshop, the waste gas can be further condensed, and the solvent liquid condensed by the waste gas is collected, so that the backflow of the solvent liquid is prevented.
Referring to fig. 8 and 17 to 19, the condenser 51 includes a housing and a cooling duct 522. A condensing cavity is formed in the shell; the shell is provided with a condensation inlet 517, a condensation outlet 518, a first cooling pipe joint 519, a second cooling pipe joint 520, a discharge outlet 521 and a plurality of cleaning ports which are communicated with the condensation cavity, and each cleaning port is distributed in sequence along the length direction of the shell. The cooling pipe 522 is disposed in the condensation chamber, and both ends of the cooling pipe are connected to the first cooling pipe joint 519 and the second cooling pipe joint 520, respectively. A cooling medium is introduced into the cooling pipeline. The waste gas in the main workshop pipeline enters the condensation cavity through the condensation inlet 517 to be cooled, and is discharged through the condensation outlet 518.
The condenser 51 of the present application facilitates the operator to extend into the cleaning solvent adhered to the inside of the housing by the cleaning port by means of the professional tool by setting a plurality of cleaning ports, so that the condenser 51 maintains good cooling performance. For example, by spraying the condensing chamber so that the adhering solvent exits the condensing chamber and exits the condenser 51 with the spray liquid.
The housing includes a first reducing housing 511, a second reducing housing 512, and a middle housing 513 provided between the first reducing housing 511 and the second reducing housing 512. The purge port includes a first purge port 514 disposed on the middle housing 513. The cooling duct is mainly arranged in the middle shell 513, and liquid is easy to adhere to the cooling duct 522, so that a cleaning port is formed in the middle shell 513 in the application, and the liquid adhered to the cooling duct is convenient to clean.
The cleaning ports include a second cleaning port 515 provided on the first reducing housing 511 and a third cleaning port 516 provided on the second reducing housing 512. The two wind scoop shells are respectively an air inlet position and an air exhaust position, waste liquid is easy to adhere to the inner wall, and the two positions can be cleaned by arranging the cleaning ports on the two reducing shells, so that the effect of comprehensively cleaning the inner wall of the shell is achieved.
Wherein the purge port and the discharge port 521 are provided at opposite sides of the housing. For example, the cleaning port is arranged at the top of the condenser 51, the discharge port 521 is arranged at the bottom of the condenser 51, and the spraying device can spray from top to bottom, so that the waste liquid is conveniently discharged from the discharge port 521 at a low position along with the spraying liquid.
The first reducing housing 511 is of a conical structure, the first reducing housing 511 is provided with a conical cavity, a wide-mouth end of the first reducing housing 511 is connected with the middle housing 513, and a condensing inlet 517 is arranged on one side of the first reducing housing 511 away from the wide-mouth end. The conical transition structure enables the exhaust gas to reduce the wind speed in the condensation cavity, increases the heat exchange duration and improves the cooling effect.
Similarly, the second reducing housing 512 has a tapered structure, the second reducing housing 512 has a tapered cavity, the wide-mouth end of the second reducing housing 512 is connected to the middle housing 513, and a condensation outlet 518 is disposed on a side of the second reducing housing 512 facing away from the wide-mouth end.
The middle housing 513 includes a main housing, and a first housing 5131 and a second housing 5132 disposed on both sides of the main housing, where the main housing, the first housing 5131 and the second housing 5132 enclose the condensation chamber. The first housing 5131 and the second housing 5132 protrude outward, increasing the space of the condensing chamber.
The cooling pipe 522 includes a first main pipe, a second main pipe, and a plurality of cooling pipes, where the first main pipe and the second main pipe extend along a length direction of the housing, each cooling pipe is sequentially disposed along the length direction of the housing, and two ends of the cooling pipe are respectively connected to the first main pipe and the second main pipe, the first main pipe is connected to the first cooling pipe joint 519, and the second main pipe is connected to the second cooling pipe joint 520. The coolant enters the first main pipe through the first cooling pipe joint 519, is split into cooling pipes, and finally is converged into the second main pipe and discharged.
The first cooling pipe joint portion 519 and the second cooling pipe joint portion 520 are respectively provided on both sides of the first housing 5131 in the diagonal direction.
The above-disclosed preferred embodiments of the present application are provided only as an aid to the elucidation of the present application. The preferred embodiments are not exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention and are not limited by the scope of the invention.
Claims (9)
1. A high concentration organic waste gas collection and delivery system comprising:
an exhaust gas collection device connected to the production facility to collect organic exhaust gas;
the buffer tank is respectively connected with the waste gas collecting device and the waste gas treatment equipment;
the fan is arranged on a pipeline connecting the buffer tank and the waste gas treatment equipment;
the production equipment comprises a process production device, a raw material barrel and a finished product barrel;
the buffer tank is connected with a plurality of air inlet pipes, each air inlet pipe comprises a vertical section and an air inlet section connected with the vertical section, the vertical section is parallel to the central axis of the main body of the buffer tank, the vertical section part extends into the buffer tank, and an included angle is formed between the air inlet section and the vertical section;
the air inlet pipe is provided with a one-way valve and a flame arrester, the one-way valve is arranged on the air inlet section, and the flame arrester is arranged in the vertical section;
the check valve comprises a valve body and a valve block, wherein a gas channel and a valve block matching part are arranged in the valve body, the valve block is arranged on the valve body, and when the valve block is attached to the valve block matching part, the valve block seals the gas channel;
the waste gas collecting device is provided with a material circulation channel and an exhaust joint, the raw material barrel and the finished product barrel are respectively connected to the process production device through corresponding waste gas collecting devices, the buffer tank is connected with an exhaust pipe, part of the buffer tank is connected with the exhaust joint of the waste gas collecting device through an air inlet pipe, and part of the buffer tank is directly connected with the process production device through the air inlet pipe.
2. The high-concentration organic waste gas collecting and conveying system according to claim 1, wherein the waste gas collecting device comprises a pipeline and a waste gas collecting cover sleeved on the pipeline, material passing holes are formed in the raw material barrel and the finished product barrel, the diameter of each material passing hole is larger than that of the pipeline, the pipeline penetrates through the material passing hole, the waste gas collecting cover covers the material passing hole, and the exhaust connector is arranged on the waste gas collecting cover.
3. The high concentration organic waste gas collecting and transporting system according to claim 1, wherein a breather is provided on the buffer tank.
4. The high-concentration organic waste gas collecting and conveying system according to claim 1, wherein a buffer cavity is arranged in the buffer tank, the air inlet pipe and the air outlet pipe are both communicated with the buffer cavity, a liquid discharge pipeline is connected to the buffer tank, the liquid discharge pipeline is connected to the bottom of the buffer tank, and an on-off valve is arranged on the liquid discharge pipeline.
5. The high concentration organic waste gas collecting and transporting system according to claim 1, wherein the exhaust pipe is connected to a waste gas transporting pipe, and the fan and the waste gas treatment device are both disposed on the waste gas transporting pipe.
6. The high-concentration organic waste gas collecting and transporting system according to claim 5, wherein the waste gas transporting pipeline comprises a main plant pipeline and a plurality of main plant pipelines, each main plant pipeline is connected to the main plant pipeline, and each buffer tank in the same plant is connected to the corresponding main plant pipeline through an exhaust pipe.
7. The high concentration organic waste gas collecting and transporting system according to claim 6, wherein a condenser is connected to the main pipe of the plant.
8. The high-concentration organic waste gas collecting and conveying system according to claim 6, wherein the main pipeline of the factory is provided with an inclined pipeline section, one end of the inclined pipeline section, which is close to the main pipeline of the workshop, is a high-position end, one end, which is far away from the main pipeline of the workshop, is a low-position end, and the fan and the waste gas treatment equipment are arranged on one side, which is far away from the main pipeline of the workshop, of the inclined pipeline section.
9. The high concentration organic waste gas collecting and transporting system of claim 6, further comprising a collecting tank, wherein said collecting tank is in communication with said main factory floor pipe.
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| CN113324178B true CN113324178B (en) | 2024-04-02 |
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| CN113324178A (en) | 2021-08-31 |
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