Multi-stage recovery condenser for hydroxypropyl methyl cellulose production

Abstract

The utility model relates to the technical field of hydroxypropyl methyl cellulose production, in particular to a multistage recovery condenser for hydroxypropyl methyl cellulose production, which comprises a support box, an inner cavity of the support box comprises a recovery cavity on one side and a cooling cavity on the other side, and a plurality of clamping grooves are formed in the top wall of the support box at equal intervals. A cooling box is arranged above the supporting box, a connecting assembly is arranged on the cooling box, a cooling coil pipe is arranged in an inner cavity of the cooling box, the two ends of the cooling coil pipe penetrate through the side wall of the cooling box and extend to the outer side of the cooling box, and a communicating assembly is arranged at the end of the cooling coil pipe. According to the multi-stage structure, the connecting capacity between the stages is good, so that leakage is not prone to being caused during recycling treatment, the recycling effect and efficiency are guaranteed, the multi-stage structure is flexible, the stages can be reduced or increased according to actual requirements, and limitation cannot be generated in actual treatment.

Description

Technical Field

[0001] The utility model relates to the technical field of hydroxypropyl methylcellulose production, in particular to a multi-stage recovery condenser for hydroxypropyl methylcellulose production. Background Art

[0002] Hydroxypropyl methylcellulose (HPMC) is a widely used water-soluble polymer. As a thickener, adhesive, emulsifier and stabilizer, it has a variety of applications in food, cosmetics, pharmaceuticals and industry. It is made from natural cellulose through chemical modification. According to the purpose and performance requirements of the final product, the selection and processing of raw materials, the control of reaction conditions, and the separation and purification of products in the entire production process have an important influence on the quality and performance of the final product. Therefore, the production of hydroxypropyl methylcellulose requires strict control of production processes and conditions to ensure the stability and reliability of the product.

[0003] Hydroxypropyl methylcellulose needs to be recycled during its production process, so a recovery condenser is needed. Although the traditional multi-stage recovery condenser has a certain cooling and recovery capacity, it still has some shortcomings. For example, the connection ability between each stage is not good, so it is easy to cause leakage during the recycling process, thereby affecting the recycling effect and efficiency, and its multi-stage structure is relatively fixed, so it is difficult to reduce or increase the number of stages according to actual needs, which will produce certain limitations in actual processing. Therefore, in response to the above problems, a multi-stage recovery condenser for the production of hydroxypropyl methylcellulose is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-stage recovery condenser for the production of hydroxypropyl methylcellulose, which has better connection capacity between each stage, so it is not easy to cause leakage during the recovery process, thereby ensuring the recovery effect and efficiency, and its multi-stage structure is more flexible, so it can reduce or increase the number of stages according to actual needs, so as not to cause limitations in actual processing, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A multi-stage recovery condenser for producing hydroxypropyl methylcellulose comprises a support box, the inner cavity of the support box comprises a recovery cavity on one side and a cooling cavity on the other side, a top wall of the support box is provided with a plurality of snap-in grooves arranged at equal intervals, a cooling box is provided above the support box, a connecting assembly is provided on the cooling box, a cooling coil is provided in the inner cavity of the cooling box, both ends of the cooling coil penetrate the side wall of the cooling box and extend to the outside of the cooling box, a connecting assembly is provided at the end of the cooling coil, a cold pass assembly is provided on the side of the cooling box away from the through end of the cooling coil, and a cooling assembly is provided on the rear side of the support box.

[0007] Preferably, the connecting assembly includes a connecting card block fixedly connected to the bottom of the cooling box, the connecting card block and the connecting slot are equal in number, corresponding in position and matched in specifications, and a plurality of connecting slots are arranged at equal intervals on the top of the cooling box.

[0008] Preferably, the connecting slots and the connecting blocks are equal in number, corresponding in position and matched in specifications, and the connecting slots and the connecting blocks, as well as the connecting blocks and the connecting slots, are threadedly connected via connecting bolts.

[0009] Preferably, the connecting component includes a first flange fixedly connected to the bottom end of the cooling coil and a second flange fixedly connected to the top end of the cooling coil, the first flange is provided with a plurality of fixing bolts arranged at equal intervals, and the second flange is provided with fixing screw holes which are equal in number, have corresponding positions and match the specifications of the fixing bolts and are arranged at equal intervals.

[0010] Preferably, the cold passage assembly includes a cold passage pipe fixedly connected to one side of the bottom of the cooling box and connected to the inner cavity of the cooling box, and a cold passage groove opened on one side of the top of the cooling box, and the cold passage groove and the cold passage pipe are arranged in corresponding positions and matching specifications.

[0011] Preferably, the cooling assembly includes a circulating pump fixedly connected to the rear side of the supporting box and the input end of which is connected to the cooling chamber, the output end of the circulating pump is connected to a connecting hose, the top end of the connecting hose is connected to a liquid guide tube, and the liquid guide tube is connected to the cooling box through the cold passage groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the condensed hydroxypropyl methylcellulose can be collected by the recovery chamber, the condensate can be stored and transferred by the cooling chamber, the cooling box can provide a space for the condensation and recovery of the hydroxypropyl methylcellulose, the connecting component can not only cooperate with the card slot to connect the cooling box with the support box, but also connect the cooling boxes to each other, so it can reduce or increase the cooling boxes according to actual needs, so as not to cause limitations in actual processing, the cooling coil can pass through and be condensed and recovered during the passage, the connecting component can stably connect the cooling coils in each cooling box, so it is not easy to cause leakage during the recovery process, thereby ensuring the recovery effect and efficiency, the cold pass component can ensure that the condensate flows in each cooling box in turn to ensure the normal circulation of the condensate, and the cooling component can condense the hydroxypropyl methylcellulose and can perform reciprocating circulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a side view of the utility model;

[0017] Figure 4 It is a schematic diagram of the exploded structure of the utility model;

[0018] Figure 5 It is a structural schematic diagram of the connection component of the utility model;

[0019] Figure 6 It is a schematic structural diagram of the connection component and the cold passage component of the utility model.

[0020] In the figure: 1. support box; 2. recovery chamber; 3. cooling chamber; 4. card slot; 5. cooling box; 6. connection assembly; 601. connection block; 602. connection slot; 603. connection bolt; 7. cooling coil; 8. connecting assembly; 801. first flange; 802. second flange; 803. fixing bolt; 804. fixing screw hole; 9. cold pass assembly; 901. cold pass pipe; 902. cold pass slot; 10. cooling assembly; 1001. circulation pump; 1002. connecting hose; 1003. liquid guide tube. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0024] See also Figure 1-6 , the utility model provides a technical solution:

[0025] A multi-stage recovery condenser for producing hydroxypropyl methylcellulose comprises a support box 1, the inner cavity of the support box 1 comprises a recovery cavity 2 on one side and a cooling cavity 3 on the other side, a top wall of the support box 1 is provided with a plurality of snap-in grooves 4 arranged at equal intervals, a cooling box 5 is provided above the support box 1, a connecting assembly 6 is provided on the cooling box 5, a cooling coil 7 is provided in the inner cavity of the cooling box 5, both ends of the cooling coil 7 penetrate the side wall of the cooling box 5 and extend to the outside of the cooling box 5, a connecting assembly 8 is provided at the end of the cooling coil 7, a cold pass assembly 9 is provided on the side of the cooling box 5 away from the penetrating end of the cooling coil 7, and a cooling assembly 10 is provided on the rear side of the support box 1.

[0026] The connecting assembly 6 includes a connecting block 601 fixedly connected to the bottom of the cooling box 5. The connecting block 601 and the card slot 4 are equal in number, corresponding in position and matched in specifications. A plurality of connecting slots 602 are arranged at equal intervals on the top of the cooling box 5. The connecting slots 602 and the connecting block 601 are equal in number, corresponding in position and matched in specifications. The card slot 4 and the connecting block 601 and the connecting block 601 and the connecting slot 602 are both threadedly connected by connecting bolts 603. The connecting assembly 6 can not only The cooling box 5 is connected to the supporting box 1 by cooperating with the snap-fit ​​groove 4, and the cooling boxes 5 can be connected to each other, so that the cooling boxes 5 can be reduced or increased according to actual needs, so that there will be no limitations in actual processing; the connecting component 8 includes a first flange 801 fixedly connected to the bottom end of the cooling coil 7 and a second flange 802 fixedly connected to the top end of the cooling coil 7, and a plurality of fixing bolts 803 are arranged at equal intervals on the first flange 801, and fixing screw holes 804 equal to the number of the fixing bolts 803, corresponding to the position and matching the specifications are arranged at equal intervals on the second flange 802. The connecting component 8 can make a stable connection between the cooling coils 7 in each cooling box 5, so it is not easy to cause leakage during recycling, thereby ensuring the recycling effect and efficiency; the cold pass component 9 includes a cold pass pipe 901 fixedly connected to one side of the bottom of the cooling box 5 and connected to the inner cavity of the cooling box 5, and a cold pass groove 902 opened on one side of the top of the cooling box 5, and the cold pass groove 902 and the cold pass pipe 901 are arranged in corresponding positions and matching specifications. 9 can ensure that the condensate flows in each cooling box 5 in turn to ensure the normal circulation of the condensate; the cooling component 10 includes a circulating pump 1001 fixedly connected to the rear side of the supporting box 1 and the input end is connected to the cooling chamber 3, the output end of the circulating pump 1001 is connected to a connecting hose 1002, the top end of the connecting hose 1002 is connected to a liquid guide tube 1003 and the liquid guide tube 1003 is connected to the cooling box 5 through the cold through groove 902, the cooling component 10 can condense the hydroxypropyl methylcellulose and can perform a reciprocating cycle.

[0027] Workflow: First, power on all electrical appliances. The recovery chamber 2 can collect the condensed hydroxypropyl methylcellulose, the cooling chamber 3 can store and transfer the condensate, and the cooling box 5 can provide a space for the condensation and recovery of hydroxypropyl methylcellulose. The connecting component 6 can not only cooperate with the clamping groove 4 to connect the cooling box 5 with the support box 1, but also connect the cooling boxes 5 to each other. Therefore, it can reduce or increase the cooling box 5 according to actual needs, so that there will be no limitations in actual processing. When the cooling box 5 is connected to the support box 1, it is only necessary to insert the connecting block 601 at the bottom of a cooling box 5 into the clamping groove 4 for clamping, and then screw in the connecting bolt 603. When it is necessary to add a cooling box 5, it is only necessary to insert the connecting block 601 at the bottom of a cooling box 5 into the connecting groove 602 at the top of the lower cooling box 5 for clamping, and then screw in the connecting bolt 603. The cooling coil 7 allows the hydroxypropyl methylcellulose to pass through and perform condensation and recovery processing on the way through. The connecting component 8 can make the cooling coils 7 in each cooling box 5 stably connected, so This is not easy to cause leakage during the recycling process, thereby ensuring the recycling effect and efficiency. After the adjacent cooling boxes 5 are connected to each other, the first flange 801 of the upper cooling box 5 will be aligned with the second flange 802 of the lower cooling box 5. Finally, it is only necessary to screw the fixing bolt 803 into the fixing screw hole 804. The cold pass component 9 can ensure that the condensate flows in each cooling box 5 in turn to ensure the normal circulation of the condensate. The upper cooling box 5 will insert the cold pass pipe 901 into the cold pass groove 902 on the lower cooling box 5 for communication. The cooling component 10 can be The hydroxypropyl methylcellulose is condensed and can be circulated back and forth. The circulation pump 1001 is started. The circulation pump 1001 will draw the condensate in the cooling chamber 3 into the connecting hose 1002 and introduce it into the top cooling box 5 through the liquid guide tube 1003. The condensate is passed through each cooling box 5 in turn through the cold through pipe 901. At the same time, the hydroxypropyl methylcellulose in the cooling coil 7 is condensed, and the hydroxypropyl methylcellulose becomes liquid and finally flows into the recovery chamber 2 for recovery. The condensate finally flows back to the cooling chamber 3 to prepare for the next cycle.

[0028] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the scope and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage recovery condenser for the production of hydroxypropyl methylcellulose, comprising a support box (1), characterized in that: The inner cavity of the support box (1) comprises a recovery cavity (2) on one side and a cooling cavity (3) on the other side. The top wall of the support box (1) is provided with a plurality of snap-in grooves (4) arranged at equal intervals. A cooling box (5) is provided above the support box (1). A connecting component (6) is provided on the cooling box (5). A cooling coil (7) is provided in the inner cavity of the cooling box (5). Both ends of the cooling coil (7) penetrate the side wall of the cooling box (5) and extend to the outside of the cooling box (5). A connecting component (8) is provided at the end of the cooling coil (7). A cold pass component (9) is provided on the side of the cooling box (5) away from the through-end of the cooling coil (7). A cooling component (10) is provided on the rear side of the support box (1).

2. The multi-stage recovery condenser for producing hydroxypropyl methylcellulose according to claim 1, characterized in that: The connection assembly (6) comprises a connection card block (601) fixedly connected to the bottom of the cooling box (5); the connection card block (601) and the card slot (4) are equal in number, corresponding in position and matched in specifications; and a plurality of connection card slots (602) are arranged at equal intervals on the top of the cooling box (5).

3. The multi-stage recovery condenser for producing hydroxypropyl methylcellulose according to claim 2, characterized in that: The connecting slots (602) and the connecting block (601) are equal in number, corresponding in position and matched in specifications, and the connecting slot (4) and the connecting block (601) as well as the connecting block (601) and the connecting slot (602) are both threadedly connected via connecting bolts (603).

4. The multi-stage recovery condenser for producing hydroxypropyl methylcellulose according to claim 1, characterized in that: The connecting component (8) comprises a first flange (801) fixedly connected to the bottom end of the cooling coil (7) and a second flange (802) fixedly connected to the top end of the cooling coil (7), the first flange (801) being provided with a plurality of fixing bolts (803) arranged at equal intervals, and the second flange (802) being provided with fixing screw holes (804) of equal number, corresponding position and matching specifications as the fixing bolts (803) and arranged at equal intervals.

5. The multi-stage recovery condenser for producing hydroxypropyl methylcellulose according to claim 1, characterized in that: The cold passage assembly (9) comprises a cold passage pipe (901) fixedly connected to one side of the bottom of the cooling box (5) and communicating with the inner cavity of the cooling box (5), and a cold passage groove (902) opened on one side of the top of the cooling box (5), wherein the cold passage groove (902) and the cold passage pipe (901) are arranged in corresponding positions and with matching specifications.

6. The multi-stage recovery condenser for producing hydroxypropyl methylcellulose according to claim 5, characterized in that: The cooling assembly (10) comprises a circulation pump (1001) fixedly connected to the rear side of the support box (1) and having an input end connected to the cooling chamber (3); a connecting hose (1002) is connected to the output end of the circulation pump (1001); a top end of the connecting hose (1002) is connected to a liquid guide tube (1003); and the liquid guide tube (1003) is connected to the cooling box (5) through the cold passage groove (902).

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