Search

CN-224215140-U - Environment-friendly stoichiometric tank

CN224215140UCN 224215140 UCN224215140 UCN 224215140UCN-224215140-U

Abstract

The utility model relates to the technical field of metering tanks, and discloses an environment-friendly stoichiometric tank which comprises a stoichiometric tank main body, wherein a gas transmission pipe is welded at the top of the stoichiometric tank main body, a connecting pipe, a metering valve and a sealing cover assembly, wherein a flange plate at one end of the connecting pipe is arranged on the flange plate at the top of the gas transmission pipe through a bolt piece, the metering valve is arranged on the connecting pipe, the sealing cover assembly is arranged at the joint of the gas transmission pipe and the flange plate of the connecting pipe and is used for forming a sealing cavity for the joint of the flange plate of the gas transmission pipe and the flange plate.

Inventors

  • SHEN YOUFENG
  • SUN FUHAI
  • LIU YONGXIANG

Assignees

  • 烟台显华科技集团股份有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (7)

  1. 1. An environment-friendly stoichiometric tank comprises a stoichiometric tank main body (101), and is characterized in that a gas pipe (102) is welded at the top of the stoichiometric tank main body (101); A connecting pipe (103), wherein a flange plate at one end of the connecting pipe is arranged on the flange plate at the top of the gas pipe (102) through a bolt piece; a metering valve (104) mounted on the connection pipe (103); The sealing cover assembly (2) is arranged at the joint of the gas pipe (102) and the flange of the connecting pipe (103) and is used for forming a sealing cavity at the joint of the flange; and the gas detection sensor (105) is arranged on the sealing cover assembly (2) and is used for detecting the leaked gas in the cavity in real time.
  2. 2. The environment-friendly stoichiometric tank of claim 1, wherein the sealing cover assembly (2) comprises a first semi-annular casing (201) and a second semi-annular casing (202) which are symmetrically arranged up and down, first locking pieces (205) which are symmetrically arranged are respectively arranged between the first semi-annular casing (201) and the second semi-annular casing (202) which are symmetrically arranged, connecting blocks (207) are respectively welded on the surfaces of the first semi-annular casing (201) and the second semi-annular casing (202), and second locking pieces (206) are respectively arranged between the connecting blocks (207) which are vertically corresponding.
  3. 3. The environmentally friendly stoichiometric tank of claim 2 wherein the gas detection sensor (105) is mounted on one of the sets of first semi-annular sleeves (201) and the detection end of the gas detection sensor (105) extends through to the exterior of the first semi-annular sleeve (201) and into the first semi-annular sleeve (201).
  4. 4. The environment-friendly stoichiometric tank according to claim 2, wherein a first sealing gasket (203) is arranged between the two groups of first semi-annular casings (201) and the two groups of second semi-annular casings (202), and a second sealing gasket (204) is arranged at one side, close to each other, of the first semi-annular casings (201) and the second semi-annular casings (202) which are corresponding to each other.
  5. 5. The environmentally friendly stoichiometric can of claim 2 wherein the two sets of first semi-annular shells (201) or the two sets of second semi-annular shells (202) when correspondingly attached have an inner annular diameter less than the flange diameter and an outer annular diameter greater than the flange diameter.
  6. 6. The environmentally friendly stoichiometric tank of claim 2 wherein the first locking member (205) and the second locking member (206) are comprised of bolts and nuts.
  7. 7. The environment-friendly stoichiometric tank of claim 2, wherein the outer peripheral surface of the first semi-annular casing (201) is in threaded connection with positioning rods (106) through threaded holes, multiple groups of positioning rods (106) on the first semi-annular casing (201) are distributed at equal intervals, and when two groups of the first semi-annular casings (201) are correspondingly attached, multiple groups of positioning rods (106) are distributed at equal intervals in an annular shape as a whole.

Description

Environment-friendly stoichiometric tank Technical Field The utility model relates to the technical field of metering tanks, in particular to an environment-friendly stoichiometric tank. Background In the process of producing high-end display photoelectric materials and fine chemicals, various gases such as nitrogen, oxygen and argon are needed to be used, and a metering tank can be used for storing and conveying the gases, so that the accurate control of the gas flow is ensured, the waste is avoided, and the production efficiency is maintained; A stoichiometric tank is a device for storing and managing liquid or gaseous chemicals, the main purpose of which is to ensure accurate and controllable usage of substances during chemical treatment, thereby reducing environmental pollution and waste; At present, the sealing ring between the flange plates can be aged gradually after long-term use at the connection part of the metering tank and the gas transmission pipeline, so that the problem of slow leakage of gas can occur, and the tiny leakage which is not easy to detect can continuously influence the surrounding environment if the tiny leakage is not found and treated in time, so that the environmental protection is not facilitated, and therefore, the environment-friendly stoichiometric tank is provided for solving the problems. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides an environment-friendly stoichiometric tank, which solves the problems that the sealing ring between flange plates is gradually aged after long-term use at the connection part of the stoichiometric tank and a gas transmission pipeline, and then the slow leakage of gas is likely to occur, and the tiny leakage which is not easy to be perceived continuously affects the surrounding environment if the tiny leakage is not found and treated in time, so that the environment-friendly problem is not facilitated. The environment-friendly stoichiometric tank comprises a stoichiometric tank main body, wherein a gas pipe is welded at the top of the stoichiometric tank main body; The flange plate at one end of the connecting pipe is arranged on the flange plate at the top of the gas pipe through a bolt piece; A metering valve mounted on the connection pipe; the sealing cover assembly is arranged at the joint of the gas pipe and the connecting pipe flange plate and is used for forming a sealing cavity at the joint of the flange plate; and the gas detection sensor is arranged on the sealing cover assembly and is used for detecting the leaked gas in the cavity in real time. Preferably, the sealing cover assembly comprises a first semi-annular casing and a second semi-annular casing which are arranged symmetrically up and down, a first locking piece which is arranged symmetrically is arranged between the first semi-annular casing which is arranged symmetrically and the second semi-annular casing which is arranged symmetrically, connecting blocks are welded on the surfaces of the first semi-annular casing and the second semi-annular casing, and a second locking piece is arranged between the connecting blocks which correspond up and down. Preferably, the gas detection sensor is mounted on one of the sets of first semi-annular shells, and the detection end of the gas detection sensor penetrates through the outer part of the first semi-annular shell and extends into the first semi-annular shell. Preferably, first sealing gaskets are arranged between the two groups of first semi-annular casings and the two groups of second semi-annular casings, and second sealing gaskets are arranged on one sides, close to each other, of the first semi-annular casings and the second semi-annular casings, which correspond to each other, of the upper part and the lower part of the first semi-annular casings. Preferably, when the two sets of first semi-annular shells or the two sets of second semi-annular shells are correspondingly attached, the inner ring diameter is smaller than the flange diameter, and the outer ring diameter is larger than the flange diameter. Preferably, the first locking member and the second locking member are both formed by a bolt and a nut. Preferably, the peripheral surface of the first semi-annular casing is connected with positioning rods through set threaded holes in a threaded manner, multiple groups of positioning rods on the first semi-annular casing are distributed at equal intervals, and when two groups of first semi-annular casings are correspondingly attached, multiple groups of positioning rods are distributed at equal intervals in an annular manner as a whole. Advantageous effects The utility model provides an environment-friendly stoichiometric tank. Compared with the prior art, the method has the following beneficial effects: This environmental protection chemometry jar when gas-supply pipe and connecting pipe's ring flange junction appears leaking gas, in the gaseous sealed cavity that can disch