JPH0354703U

JPH0354703U -

Info

Publication number: JPH0354703U
Application number: JP10791190U
Authority: JP
Priority date: 1990-10-15
Filing date: 1990-10-15
Publication date: 1991-05-27

Description

[Brief explanation of drawings]

第１図は溶剤浴冷却器を有する溶剤回収装置の
基本フロー図、第２図は溶剤浴冷却器と蓄熱冷却
器を有する溶剤回収装置の基本フロー図、第３図
は溶剤浴冷却器を有する溶剤回収装置の別の実施
例の基本フロー図、第４図は冷却コイルの断面図
である。１０……熱交換器（冷却系）、１０ａ……管、
１０ｂ……外管、１２，８０……ふるい板、１３
ａ，１３ｂ……接続管（排気供給管、排気排出管
）、１４……中空球、１６……浸漬管、１８ａ，
１８ｂ……蓋面、２０，１２０，２２０……ハウ
ジング（密閉絶縁容器）、２１ａ，２１ｂ……制
御弁、２２……冷却流体、２３，２４……冷却流
体管、２５……溶剤浴（浸漬浴）、２６……供給
管、２７……ポンプ、３６……排出管（還流管）
、４０……着氷、５０……サーモスタツト、１０
０，２００……溶剤回収装置、１１４……蓄熱要
素、１１５……強制送気装置（環状路送風機）、
１１６……内室、１２２……あふれ口、１２３…
…分離容器、１５０……冷凍機、１７０……蓄熱
冷却器、Ｅ……ハウジング入口側、Ａ……ハウジ
ング出口側、Ｆ……通路断面、Ｕ……周面。 Fig. 1 is a basic flow diagram of a solvent recovery device with a solvent bath cooler, Fig. 2 is a basic flow diagram of a solvent recovery device with a solvent bath cooler and a heat storage cooler, and Fig. 3 is a basic flow diagram of a solvent recovery device with a solvent bath cooler. A basic flow diagram of another embodiment of the solvent recovery device, FIG. 4 is a cross-sectional view of the cooling coil. 10... heat exchanger (cooling system), 10a... tube,
10b... Outer pipe, 12, 80... Sieve plate, 13
a, 13b...Connection pipe (exhaust supply pipe, exhaust discharge pipe), 14...Hollow bulb, 16...Immersion pipe, 18a,
18b... Lid surface, 20, 120, 220... Housing (sealed insulated container), 21a, 21b... Control valve, 22... Cooling fluid, 23, 24... Cooling fluid pipe, 25... Solvent bath (immersion) bath), 26...supply pipe, 27...pump, 36...discharge pipe (reflux pipe)
, 40...Icing, 50...Thermostat, 10
0,200...Solvent recovery device, 114...Heat storage element, 115...Forced air device (circular path blower),
116...Inner room, 122...Overflow port, 123...
... Separation container, 150 ... Refrigerator, 170 ... Heat storage cooler, E ... Housing inlet side, A ... Housing outlet side, F ... Passage cross section, U ... Circumferential surface.

Claims

[Claims for Utility Model Registration] 1. Dealing with solvent vapors or other condensable vapors that separate the solvent from the exhaust gas of equipment containing a solvent/air mixture by condensing it in a cooler installed in the exhaust flow path. In a recovery device for equipment, the cooler has a housing 20, in which connections are formed for connecting pipes for exhaust outward and return paths, which connect the equipment and the equipment, and include a blower; It has a heat exchanger 10 disposed in a solvent bath 25 made of recovered solvent and cooled by the exhaust gas flowing around it, and a liquid collecting container disposed below the housing 20. A cooling system 10 consisting of one or more cooling coils is provided as an exchanger, and a cooling fluid 2 at a constant pressure and a predetermined temperature is provided.
2 flows through the cooling system 10, so that the cooling system 10
The housing inlet side E of the cooling fluid pipe 23 communicates with
An immersion sensor is connected to the thermostat 50 and measures the temperature of the solvent. A pressure gauge 51 that measures the outlet pressure is located on the housing outlet side A.
for equipment handling solvent vapors or other condensable vapors, characterized by controlling a control valve 21b disposed on the housing outlet side A of the cooling fluid pipe 24. Steam recovery equipment. 2. The control valves 21a, 21 are formed around the pipe 10a constituting the cooling system 10 by utilizing the insulating effect of the icing 40 whose thickness can be determined in advance.
2. Solvent and condensable vapor recovery device for installations handling solvent vapors or other condensable vapors according to claim 1, characterized in that the evaporation of the cooling fluid can be controlled via b. 3. The cooling coil constituting the cooling system 10 is composed of a group of layered, thunder-shaped or coiled structures of tubes 10a having a circular cross section, and the tubes 10a are formed by an outer tube 10b filled with a suitable heat storage liquid. 2. A solvent and condensable vapor recovery device for equipment handling solvent vapors or other condensable vapors according to claim 1, characterized in that the solvent and condensable vapor recovery device is enclosed. 4. Solvent vapor or other condensable material according to claim 3, characterized in that the outer tube 10b has an oval, oval or other cross section that increases the ratio of the circumferential surface U to the passage cross section F. equipment for recovering solvents and condensable vapors for installations that handle vapors. 5 A heat storage cooler 170 is provided which communicates with the housing 20 via a supply pipe 26 and a discharge pipe 36 with a pump 27 disposed therebetween.
0 is provided with a housing 120 having a cylindrical shape, and the housing 120 is a connecting pipe 1 for an outgoing route of exhaust gas and a return route of purified exhaust gas connecting equipment and devices.
3a and 13b, and a sieve plate 12 is installed at least on one end side with a gap from both lid surfaces 18a and 18b and covers the entire cross section of the container,
Between the sieve plate 12 and the opposing lid surface 180 or 2
The inner chamber 116 remaining between the sieve plates is the heat storage element 1.
of solvent and condensable vapor for equipment handling solvent vapor or other condensable vapor according to any one of claims 1 to 4, characterized in that it is completely filled with Collection device. 6. Solvent vapor or other condensable material according to claim 5, characterized in that the heat storage element 114 consists of a hollow sphere 14 of metal or plastic, the interior space of which is almost completely filled with a low freezing point liquid. equipment for recovering solvents and condensable vapors for installations that handle vapors. 7. Solvent vapor or other heat storage element according to claim 5, characterized in that the heat storage element consists of one or more eutectic heat storage cooling bodies having a spherical, rectangular or other suitable geometric shape. Solvent and condensable vapor recovery equipment for equipment handling condensable vapors. 8. Solvent and condensate for equipment handling solvent vapors or other condensable vapors according to claim 5, characterized in that the heat storage element is a mineral filling consisting of coarse-grained silica or basalt. Possible steam recovery equipment. 9. Equipment for handling solvent vapor or other condensable vapor according to any one of claims 1 to 8, characterized in that the cooling fluid 22 is liquid nitrogen or low-temperature cooling circulation gas. Recovery equipment for solvents and condensable vapors. 10 In a recovery device for equipment handling solvent vapors or other solidifiable vapors, which separates the solvent from the exhaust air of the equipment containing a solvent-air mixture by condensing it in a cooler installed in the exhaust flow path, The cooler consists of an immersion bath 25 in a closed insulated container 20 partially filled with recovered solvent;
Cooling coil 1 of refrigerator 150 disposed outside of
0 and the end configured as a dip tube 16 of the exhaust supply part of the feed tube are submerged in the dip bath, and an overflow port 122 communicating with a separation vessel 123 is arranged above the level of the solvent, Solvent and condensable vapor for equipment handling solvent vapor or other condensable vapor, characterized in that a forced air device 115 is arranged in a supply pipe connected in series with the cooling device 10 recovery equipment. 11. The solvent according to claim 10, wherein the dip tube 16 is inserted into the columnar solvent dip bath 25 from above the center and extends to near the bottom of the lower part of the exhaust distribution sieve plate 80. Solvent and condensable vapor recovery equipment for equipment handling steam or other condensable vapors. 12. Equipment for handling solvent vapors or other condensable vapors according to claim 2 or 10, characterized in that the cooling coil surrounds the immersion tube 16 in a helical winding inside the solvent immersion bath 25. Recovery equipment for solvents and condensable vapors. 13. The solvent vapor according to any one of claims 10 to 12, wherein the forced air supply device 115 is installed in a supply pipe portion forming an exhaust supply pipe to the immersion bath 25. or solvent and condensable vapor recovery equipment for equipment handling other condensable vapors. 14. Claim 10, characterized in that a ring path blower 115 is provided as the forced air blowing device.
A solvent and condensable vapor recovery device for equipment handling solvent vapor or other condensable vapor according to any one of claims 1 to 13.