CN-118045381-B - Low-temperature residual liquid treatment device

Abstract

The invention belongs to the technical field of low-temperature residual liquid treatment devices, and particularly discloses a low-temperature residual liquid treatment device which comprises an open type barrel body, wherein the barrel body is connected with a heating pipe, the barrel body is placed in a pit, an annular cavity is arranged at the top of the barrel body, the annular cavity is connected with a liquid inlet pipe, the liquid inlet pipe is communicated with the barrel body and the annular cavity, a plurality of fixing plates are obliquely arranged in the annular cavity, liquid inlet holes and ventilation holes are formed in the annular cavity, the liquid inlet holes are formed above the fixing plates, and the annular cavity is connected with a driving device for driving the liquid inlet holes to rotate. According to the invention, the first treatment is carried out on the residual liquid through the annular cavity, most of the residual liquid is evaporated, the rest of the residual liquid flows into the cylinder for the second treatment, the double treatment improves the efficiency, the cold quantity of the residual liquid is locked in the cylinder and is completely separated from the civil foundation, the adverse effect of the diffusion of the cold quantity on the peripheral civil foundation is avoided, and the safety of peripheral personnel and equipment is ensured.

Inventors

• GUI YUKUN
• Di Yechen
• WANG YAO
• YU FENG
• SUN YANG
• QI HAIPENG
• Ai Yuntao
• WANG XIANGPING
• LI ZHIQIANG
• Deng Fanming
• TAO JIYE
• SONG SHILEI
• XU DONGLIANG
• ZHOU GUANGLI
• KANG XIAOMENG
• JIA DONGSHENG
• WANG GUANGYONG
• ZHOU HUAN
• WANG GAOFENG
• WANG SHAOBO
• CAO BAOYUE
• ZHAO KEXIN

Assignees

• 华能（天津）煤气化发电有限公司

Dates

Publication Date

20260505

Application Date

20221117

Claims (6)

1. 1. The low-temperature residual liquid treatment device comprises an open type barrel body (1), wherein the barrel body (1) is connected with a heating pipe (10), the barrel body (1) is placed in a pit (4), and is characterized in that an annular cavity (5) is formed in the top of the barrel body (1), the annular cavity (5) is connected with a liquid inlet pipe (9), the liquid inlet pipe (9) is communicated with the barrel body (1) and the annular cavity (5), a plurality of fixing plates (11) are obliquely arranged in the annular cavity (5), liquid inlet holes (15) and vent holes (13) are formed in the annular cavity (5), the liquid inlet holes (15) are formed in the upper portion of the fixing plates (11), and the annular cavity (5) is connected with a driving device for driving the liquid inlet pipes to rotate; the cylinder body (1) comprises an inner cylinder body (101) and an outer cylinder body (102), wherein the inner cylinder body (101) and the outer cylinder body (102) form a heat insulation space, an interlayer between the inner cylinder body (101) and the outer cylinder body (102) is filled with pearly-luster sand (2), cobble stones (6) are filled in the inner cylinder body (101), and the outer cylinder body (102) is connected with a vacuumizing device; The bottom of the outer barrel body (102) is provided with a plurality of supporting frames (3), and the supporting frames (3) are detachably connected with a foundation at the bottom of the pit (4).
2. 2. The low temperature residual liquid treatment device according to claim 1, wherein a temperature probe (12) is provided in the inner cylinder (101).
3. 3. The low-temperature residual liquid treatment device according to claim 1, wherein a cofferdam (7) is provided around the pit (4).
4. 4. The low temperature raffinate treatment plant according to claim 1, wherein the drive means comprises a motor (8), the motor (8) being connected with a gear wheel, the gear wheel being meshed with a rack, the rack being arranged outside the annular chamber (5).
5. 5. The low temperature residual liquid treatment device according to claim 1, characterized in that at least two heating pipes (10) are provided.
6. 6. The low-temperature residual liquid treatment device according to claim 1, wherein an umbrella-shaped wind collecting cavity (14) is arranged on the annular cavity (5).

Description

Low-temperature residual liquid treatment device Technical Field The invention relates to the technical field of low-temperature residual liquid treatment devices, in particular to a low-temperature residual liquid treatment device. Background The air separation device can be required to discharge a small amount of low-temperature liquid, such as liquid nitrogen, liquid oxygen and the like, in the operation process, the temperature is generally about-180 ℃, the sources include precooling of a low-temperature liquid pump, precooling of a liquid pipeline, discharge of unqualified waste liquid, tripping discharge of a safety valve of the low-temperature liquid device and the like, and the small amount of discontinuous low-temperature liquid discharge is generally converged to the low-temperature residual liquid treatment device from each discharge port. Common low temperature raffinate processing apparatus is for discharging the low temperature liquid into the barrel of placing in the hole in, lets in air or nitrogen again and makes it volatilize, but the raffinate piles up in the barrel, and the space is narrow and small, leads to volatilize inefficiency. Disclosure of Invention The invention aims to provide a low-temperature residual liquid treatment device, which aims to solve the technical problem that residual liquid is accumulated in a barrel and the volatilization efficiency is low when the residual liquid is treated by the existing treatment device. In order to solve the technical problems, the invention is realized by the following technical scheme: the utility model provides a low temperature raffinate processing apparatus, includes open type barrel, and the barrel is connected with the heating pipe, and the barrel is placed in the pit, and the barrel top is provided with the annular chamber, and the annular chamber is connected with the feed liquor pipe, feed liquor pipe intercommunication barrel and annular chamber, and the annular intracavity slope is provided with a plurality of fixed plates, has seted up feed liquor hole and ventilation hole on the annular chamber, and the feed liquor hole is located the fixed plate top, and the annular chamber is connected with the drive arrangement of its rotation of drive. Preferably, the cylinder body comprises an inner cylinder body and an outer cylinder body, wherein the inner cylinder body and the outer cylinder body form a heat insulation space, an interlayer between the inner cylinder body and the outer cylinder body is filled with pearly-lustre sand, cobbles are filled in the inner cylinder body, and the outer cylinder body is connected with a vacuumizing device. Preferably, a temperature probe is arranged in the inner cylinder. Preferably, the bottom of the outer cylinder is provided with a plurality of supporting frames, and the supporting frames are detachably connected with the foundation at the bottom of the pit. Preferably, a cofferdam is arranged around the pit. Preferably, the driving device comprises a motor, the motor is connected with a gear, the gear is meshed with a rack, and the rack is arranged outside the annular cavity. Preferably, at least two heating pipes are provided. Preferably, the annular cavity is provided with an umbrella-shaped wind collecting cavity. The technical scheme of the invention has at least the following beneficial effects: The invention comprises an open type barrel, the barrel is connected with a heating pipe, the barrel is placed in a pit, the top of the barrel is provided with an annular cavity, the annular cavity is connected with a liquid inlet pipe, the liquid inlet pipe is communicated with the barrel and the annular cavity, a plurality of fixing plates are obliquely arranged in the annular cavity, the annular cavity is provided with a liquid inlet hole and a vent hole, the liquid inlet hole is positioned above the fixing plates, the annular cavity is connected with a driving device for driving the liquid inlet hole to rotate, the annular cavity rotates to treat residual liquid, the contact area with air is increased, the residual liquid is rapidly evaporated, the residual liquid flows to the barrel in a divergent mode to carry out a second treatment procedure, double treatment is carried out, and the volatilization efficiency of the residual liquid is higher. Drawings FIG. 1 is a schematic diagram of the structure of the present invention; FIG. 2 is an expanded schematic view of the annular chamber of the present invention; Fig. 3 is a top view of the annular chamber of the present invention. The icons comprise a 1-cylinder, a 101-inner cylinder, a 102-outer cylinder, 2-pearlite, a 3-supporting frame, a 4-pit, a 5-annular cavity, 6-cobbles, 7-cofferdams, 8-motors, 9-liquid inlet pipes, 10-heating pipes, 11-fixing plates, 12-temperature probes, 13-ventilation holes, 14-wind collecting cavities and 15-liquid inlet holes. Detailed Description Examples All of the features disclosed in this specification, or al