Hot water supply device of rotary vacuum dryer

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a rotary vacuum dryer hot water supply device which comprises a water inlet pipe assembly, a water outlet pipe assembly and a leakage-proof assembly. The front end of the water outlet pipe assembly is sleeved with the rear end of the water inlet pipe assembly, and a leakage-proof assembly is arranged at the joint of the water inlet pipe assembly and the water outlet pipe assembly. According to the hot water supply device of the rotary vacuum dryer, the leakage-proof assembly is arranged at the joint of the water inlet pipe assembly and the water outlet pipe assembly and can greatly increase friction force at the joint of the water outlet pipe assembly and the water inlet pipe assembly, and the water outlet pipe assembly can be effectively prevented from being separated from the water inlet pipe assembly; a gap at the joint of the water outlet pipe assembly and the water inlet pipe assembly can be sealed, and the situation that hot water in the hot water supply device leaks and consequently sodium hydrosulfite is decomposed when encountering water is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a hot water supply device for a rotary vacuum dryer. Background Art

[0002] Sodium hydrosulfite, with the scientific name sodium dithionite and the chemical formula Na2S2O4, is a white crystalline powder inorganic substance. Sodium hydrosulfite is widely used in the textile industry for reduction dyeing, reduction cleaning, printing and decolorization, and for bleaching of silk, wool, nylon and other fabrics. Sodium hydrosulfite does not contain heavy metals, and the bleached fabrics are bright in color and not easy to fade. Sodium hydrosulfite can also be used as a bleaching agent, such as bleaching of sucrose, candied fruit, soap, oil, porcelain clay, etc.

[0003] The rotary vacuum dryer is an important equipment for the drying of sodium hypochlorite. The rotary vacuum dryer is equipped with a hot water pipe to provide the heat required for drying sodium hypochlorite. In the existing design, due to the influence of the internal layout of the rotary vacuum dryer, the heat supply device is usually equipped with an inlet pipe assembly and an outlet pipe assembly. The outlet pipe assembly is directly connected to the inlet pipe assembly. There is no positioning device at the connection between the inlet pipe assembly and the outlet pipe assembly. During the operation of the equipment, under the condition of hot water pressure difference, the outlet pipe assembly is easy to fall out, the risk of on-site leakage increases, and there is a risk of sodium hypochlorite decomposition when it comes into contact with water. Utility Model Content

[0004] The utility model provides a hot water supply device for a rotary vacuum dryer in view of the technical problems in the prior art that, when subjected to a hot water pressure difference, a water outlet pipe assembly of a hot water supply device for a rotary vacuum dryer is easily dislodged, resulting in an increased risk of on-site leakage and a risk of decomposition of the insurance powder when exposed to water.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A hot water supply device for a rotary vacuum dryer comprises: an inlet pipe assembly, an outlet pipe assembly and a leak-proof assembly; the front end of the outlet pipe assembly is sleeved with the rear end of the inlet pipe assembly, and the leak-proof assembly is arranged at the connection between the inlet pipe assembly and the outlet pipe assembly.

[0007] Furthermore: the anti-leakage assembly includes: a positioning ring, a packing and a packing gland;

[0008] A first mounting groove is provided in the rear end tube cavity of the water inlet pipe assembly, and the first mounting groove is coaxially arranged with the rear end tube cavity of the water inlet pipe assembly;

[0009] The front end of the water outlet pipe assembly extends into the first installation groove; the positioning ring is arranged on the inner side of the first installation groove, and the front end of the water outlet pipe assembly passes through the positioning ring and fits with the positioning ring;

[0010] The packing gland is fixed on the water outlet pipe assembly, and the front end of the packing gland extends into the first installation groove and fits with the first installation groove;

[0011] The packing is arranged in a closed chamber between the positioning ring and the packing gland.

[0012] Further: also including: a gland flange;

[0013] The gland flange is fixed to the rear end of the water inlet pipe assembly, and the gland flange is used for fixed connection with the packing gland.

[0014] Furthermore: the filler is polytetrafluoroethylene packing.

[0015] Furthermore: the water inlet pipe assembly comprises: a water inlet pipe, a main flange, a fixed flange and a gasket;

[0016] The main flange is fixed to the front end of the water inlet pipe; a second mounting groove is provided in the front end tube cavity of the water inlet pipe, and the fixed flange is fixed in the second mounting groove; the gasket is arranged between the fixed flange and the water inlet pipe.

[0017] Furthermore: at least one water outlet is provided on the water outlet pipe assembly.

[0018] The rotary vacuum dryer hot water supply device provided by the utility model has at least the following beneficial effects or advantages:

[0019] The utility model provides a rotary vacuum dryer hot water supply device, which is provided with a water inlet pipe assembly, a water outlet pipe assembly and a leak-proof assembly; the front end of the water outlet pipe assembly is sleeved with the rear end of the water inlet pipe assembly, and the leak-proof assembly is provided at the connection between the water inlet pipe assembly and the water outlet pipe assembly. The rotary vacuum dryer hot water supply device, because the leak-proof assembly is provided at the connection between the water inlet pipe assembly and the water outlet pipe assembly, the leak-proof assembly can greatly increase the friction force at the connection between the water outlet pipe assembly and the water inlet pipe assembly, which can effectively prevent the water outlet pipe assembly from escaping from the water inlet pipe assembly, and can seal the gap at the connection between the water outlet pipe assembly and the water inlet pipe assembly, so as to prevent the hot water in the hot water supply device from leaking and causing the insurance powder to decompose when it encounters water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a hot water supply device for a rotary vacuum dryer provided in an embodiment of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1-water inlet pipe assembly, 2-water outlet pipe assembly, 3-locating ring, 4-gland flange, 5-packing, 6-packing gland, 7-main flange, 8-fixing flange, 9-gasket, 10-water outlet. DETAILED DESCRIPTION

[0023] The utility model provides a hot water supply device for a rotary vacuum dryer in view of the technical problems in the prior art that, when subjected to a hot water pressure difference, a water outlet pipe assembly of a hot water supply device for a rotary vacuum dryer is easily dislodged, resulting in an increased risk of on-site leakage and a risk of decomposition of the insurance powder when exposed to water.

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1 As shown, a rotary vacuum dryer hot water supply device provided by the embodiment of the utility model comprises: an inlet pipe assembly 1, an outlet pipe assembly 2 and a leak-proof assembly. The front end of the outlet pipe assembly 2 is sleeved with the rear end of the inlet pipe assembly 1, and a leak-proof assembly is provided at the connection between the inlet pipe assembly 1 and the outlet pipe assembly 2.

[0026] Specifically, if Figure 1 As shown, the leak-proof assembly includes: a positioning ring 3, a packing 5 and a packing gland 6. A first mounting groove is provided in the rear end tube cavity of the water inlet pipe assembly 1, and the first mounting groove is coaxially arranged with the rear end tube cavity of the water inlet pipe assembly 1. The first mounting groove is arranged in a cylindrical shape, and the diameter of the inner cavity of the first mounting groove is larger than the diameter of the rear end tube cavity of the water inlet pipe assembly 1. The front end of the water outlet pipe assembly 2 extends into the first mounting groove, and the front end of the water outlet pipe assembly 2 is coaxially arranged with the first mounting groove. The positioning ring 3 is arranged on the inner side of the first mounting groove, and the front end of the water outlet pipe assembly 2 passes through the positioning ring 3 and fits tightly with the positioning ring 3. A packing gland 6 is fixed on the water outlet pipe assembly 2, and the front end of the packing gland 6 extends into the first mounting groove and fits with the first mounting groove. The packing 5 is arranged in a closed chamber between the positioning ring 3 and the packing gland 6; in this embodiment, the packing 5 is made of polytetrafluoroethylene packing. When the packing gland 6 is fixedly connected to the water outlet pipe assembly 2, the polytetrafluoroethylene packing is tightly compacted in the closed chamber between the positioning ring 3 and the packing gland 6, which can ensure the sealing between the rear end tube cavity of the water inlet pipe assembly 1 and the front end tube cavity of the water outlet pipe assembly 2 to prevent hot water leakage.

[0027] In order to facilitate the fixing of the packing gland 6, a preferred embodiment provided by the utility model further includes: a gland flange 4. The gland flange 4 is fixed to the rear end outside of the water inlet pipe assembly 1, and the gland flange 4 is used to be fixedly connected to the packing gland 6, and the fixed connection method can be bolted.

[0028] In a preferred embodiment provided by the utility model, the water inlet pipe assembly 1 includes: a water inlet pipe, a main flange 7, a fixed flange 8 and a gasket 9. The main flange 7 is fixed to the front end of the water inlet pipe; a second mounting groove is provided in the front end tube cavity of the water inlet pipe, and the fixed flange 8 is fixed in the second mounting groove; the gasket 9 is arranged between the fixed flange 8 and the water inlet pipe, and the main flange 7 and the fixed flange 8 are both used for fixed connection with external equipment. At least one water outlet 10 is arranged on the water outlet pipe assembly 2, for example, two water outlets 10 are arranged in this embodiment.

[0029] like Figure 1 As shown, the rotary vacuum dryer hot water supply device provided by the embodiment of the utility model has at least the following beneficial effects or advantages:

[0030] The rotary vacuum dryer hot water supply device provided by the embodiment of the utility model is provided with a water inlet pipe assembly 1, a water outlet pipe assembly 2 and a leak-proof assembly; the front end of the water outlet pipe assembly 2 is sleeved with the rear end of the water inlet pipe assembly 1, and a leak-proof assembly is provided at the connection between the water inlet pipe assembly 1 and the water outlet pipe assembly 2. The rotary vacuum dryer hot water supply device is provided with a leak-proof assembly at the connection between the water inlet pipe assembly 1 and the water outlet pipe assembly 2. The leak-proof assembly can greatly increase the friction force at the connection between the water outlet pipe assembly 2 and the water inlet pipe assembly 1, which can effectively prevent the water outlet pipe assembly 2 from escaping from the water inlet pipe assembly 1, and can seal the gap at the connection between the water outlet pipe assembly 2 and the water inlet pipe assembly 1, so as to prevent the hot water in the hot water supply device from leaking and causing the insurance powder to decompose when it encounters water.

[0031] In the description of the present utility model, it should be noted that the terminology nouns in the various embodiments, such as words indicating directions such as "upper", "lower", "front", "back", "left", "right", etc., are only for simplifying the description of the positional relationship based on the drawings in the specification, and do not mean that the referred elements and devices must be operated according to the specific directions and specified operations and methods and structures in the specification. Such directional nouns do not constitute limitations on the present utility model.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hot water supply device for a rotary vacuum dryer, characterized in that: include: A water inlet pipe assembly, a water outlet pipe assembly and a leak-proof assembly; the front end of the water outlet pipe assembly is sleeved with the rear end of the water inlet pipe assembly, and the leak-proof assembly is provided at the connection between the water inlet pipe assembly and the water outlet pipe assembly; The anti-leakage assembly comprises: a positioning ring, a packing and a packing gland; A first mounting groove is provided in the rear end tube cavity of the water inlet pipe assembly, and the first mounting groove is coaxially arranged with the rear end tube cavity of the water inlet pipe assembly; The front end of the water outlet pipe assembly extends into the first installation groove; the positioning ring is arranged on the inner side of the first installation groove, and the front end of the water outlet pipe assembly passes through the positioning ring and fits with the positioning ring; The packing gland is fixed on the water outlet pipe assembly, and the front end of the packing gland extends into the first installation groove and fits with the first installation groove; The packing is arranged in a closed chamber between the positioning ring and the packing gland.

2. The hot water supply device for a rotary vacuum dryer according to claim 1, characterized in that: Also includes: Gland flange; The gland flange is fixed to the rear end of the water inlet pipe assembly, and the gland flange is used for fixed connection with the packing gland.

3. The hot water supply device for a rotary vacuum dryer according to claim 2, characterized in that: The packing is polytetrafluoroethylene packing.

4. The hot water supply device for a rotary vacuum dryer according to claim 1, characterized in that: The water inlet pipe assembly comprises: a water inlet pipe, a main flange, a fixed flange and a gasket; The main flange is fixed to the front end of the water inlet pipe; a second mounting groove is provided in the front end tube cavity of the water inlet pipe, and the fixed flange is fixed in the second mounting groove; the gasket is arranged between the fixed flange and the water inlet pipe.

5. The hot water supply device for a rotary vacuum dryer according to claim 1, characterized in that: The water outlet pipe assembly is provided with at least one water outlet.

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