Patent GB-190007539-A (GB)
Title: Improvements in Apparatus for Generating Acetylene Gas.
Inventor: MORIN ROCH
Filed: 1900-04-24
Granted: 1900-06-23
Abstract: 7539. Morin, R. April 24. Acetylene.-Relates to apparatus in which water is automatically supplied to the carbide, and which is provided with special safety arrangements. A tank containing the gas-holder bell 25 is divided into two compartments by a partition 22, and within it and projecting through it are mounted two generators 30. At the rear end each generator is fitted with a hopper 41, Fig. 14, which is charged at 42 with a large quantity of carbide. It opens below over a wire-gauze trough 35 supported on guides 32 and connected with a rod 36 which passes through a stuffing-box 37 in the front of the generator. A block or step 43 partly supports the carbide in the hopper, but, when the trough is reciprocated by the rod 36, the carbide in the trough is pushed forward and a fresh quantity falls into it. At the same time residual lime is shaken through the trough. Doors 34 and 33 give access to the generator above and below the trough. Water is supplied to the tanks by an opening 49 in a cistern 45, which is fitted with a ball cock 47. A second cistern 54 is supplied from the cistern 45 by a pipe 50 fitted with a ball cock 55. To the ball 56 is secured a pipe 57, open at the top and provided with several rows of holes, the lower holes being smaller than the upper ones, for graduating the supply of water. This pipe is connected by a flexible pipe with a pipe 63, branches 64 of which communicate with sprinkling- pipes 66 within the generators. The sprinkling-pipes are formed with holes 67, Fig. 9, along the bottom, and with lateral holes fitted with nipples 68 of larger bore for equalizing the pressure within and without the pipes 66 when a small quantity of water is required, as well as for distributing water laterally when a large quantity is being supplied. The balls 48 and 56 are operated by rods 78 and 81 fixed adjustably to a projection 75 on the gas holder 25. The gas passes from the generators, which are used alternately, into the holder by pipes 119, 123, and a cooling-coil 125 immersed in the water in the tank 20. The safety escape device consists of a tank 89 communicating at 90 with the tank 20 and containing a bell 94 divided into two chambers 101 and 102. When the bell 25 is raised by an excessive quantity of gas, a projection 100 thereon engages a nut 98 on the rod 97 fixed to the bell 94, and thereby raises it and brings an opening 96 in the partition 95 above the water level in the chamber 101. The excess of gas then escapes from the service pipe 126 into the chamber 101, and by the hole 96, chamber 102, and pipes 130 and 134 to the outer air. The head of water in the gas holder is not more than three inches, but a head of six inches is maintained in the tank 23 by a trap 113 in the drain pipe 111. With the tank 23 communicate the overflow pipe 110 of the tank 20, through which water continually passes, while generation of gas is proceeding, and the various drain pipes 128, 133, 122, &c. The hoppers are connected by pipes 140 with the escape pipe 134 when the generators are being cleared out. The top of the holder is made conical, to facilitate drainage of water of condensation.